nnn/src/nnn.c

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/*
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* BSD 2-Clause License
*
* Copyright (c) 2014-2016, Lazaros Koromilas <lostd@2f30.org>
* Copyright (c) 2014-2016, Dimitris Papastamos <sin@2f30.org>
* Copyright (c) 2016-2018, Arun Prakash Jana <engineerarun@gmail.com>
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* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef __linux__
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#if defined(__arm__) || defined(__i386__)
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#define _FILE_OFFSET_BITS 64 /* Support large files on 32-bit Linux */
#endif
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#include <sys/inotify.h>
#define LINUX_INOTIFY
#if !defined(__GLIBC__)
#include <sys/types.h>
#endif
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#endif
#include <sys/resource.h>
#include <sys/stat.h>
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#include <sys/statvfs.h>
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#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
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#include <sys/types.h>
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#include <sys/event.h>
#include <sys/time.h>
#define BSD_KQUEUE
#else
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#include <sys/sysmacros.h>
#endif
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#include <sys/wait.h>
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#include <ctype.h>
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#ifdef __linux__ /* Fix failure due to mvaddnwstr() */
#ifndef NCURSES_WIDECHAR
#define NCURSES_WIDECHAR 1
#endif
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#ifndef _XOPEN_SOURCE_EXTENDED
#define _XOPEN_SOURCE_EXTENDED
#endif
#endif
#ifndef __USE_XOPEN /* Fix failure due to wcswidth(), ncursesw/curses.h includes whcar.h on Ubuntu 14.04 */
#define __USE_XOPEN
#endif
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#include <dirent.h>
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#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <libgen.h>
#include <limits.h>
#ifdef __gnu_hurd__
#define PATH_MAX 4096
#endif
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#include <locale.h>
#include <pwd.h>
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#include <regex.h>
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#include <signal.h>
#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <time.h>
#include <unistd.h>
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#ifndef __USE_XOPEN_EXTENDED
#define __USE_XOPEN_EXTENDED 1
#endif
#include <ftw.h>
#include <wchar.h>
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#ifndef S_BLKSIZE
#define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */
#endif
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#include "nnn.h"
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#ifdef DEBUGMODE
static int DEBUG_FD;
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static int
xprintf(int fd, const char *fmt, ...)
{
char buf[BUFSIZ];
int r;
va_list ap;
va_start(ap, fmt);
r = vsnprintf(buf, sizeof(buf), fmt, ap);
if (r > 0)
r = write(fd, buf, r);
va_end(ap);
return r;
}
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static int
enabledbg()
{
FILE *fp = fopen("/tmp/nnn_debug", "w");
if (!fp) {
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fprintf(stderr, "debug: open failed! (1)\n");
fp = fopen("./nnn_debug", "w");
if (!fp) {
fprintf(stderr, "debug: open failed! (2)\n");
return -1;
}
}
DEBUG_FD = fileno(fp);
if (DEBUG_FD == -1) {
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fprintf(stderr, "debug: open fd failed!\n");
return -1;
}
return 0;
}
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static void
disabledbg()
{
close(DEBUG_FD);
}
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#define DPRINTF_D(x) xprintf(DEBUG_FD, #x "=%d\n", x)
#define DPRINTF_U(x) xprintf(DEBUG_FD, #x "=%u\n", x)
#define DPRINTF_S(x) xprintf(DEBUG_FD, #x "=%s\n", x)
#define DPRINTF_P(x) xprintf(DEBUG_FD, #x "=%p\n", x)
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#else
#define DPRINTF_D(x)
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#define DPRINTF_U(x)
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#define DPRINTF_S(x)
#define DPRINTF_P(x)
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#endif /* DEBUGMODE */
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/* Macro definitions */
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#define VERSION "2.1"
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#define GENERAL_INFO "License: BSD 2-Clause\nWebpage: https://github.com/jarun/nnn"
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#define LEN(x) (sizeof(x) / sizeof(*(x)))
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#undef MIN
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#define MIN(x, y) ((x) < (y) ? (x) : (y))
#define ISODD(x) ((x) & 1)
#define TOUPPER(ch) \
(((ch) >= 'a' && (ch) <= 'z') ? ((ch) - 'a' + 'A') : (ch))
#define MAX_CMD_LEN 5120
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#define CURSR " > "
#define EMPTY " "
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#define CURSYM(flag) ((flag) ? CURSR : EMPTY)
#define FILTER '/'
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#define REGEX_MAX 128
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#define BM_MAX 10
#define ENTRY_INCR 64 /* Number of dir 'entry' structures to allocate per shot */
#define NAMEBUF_INCR 0x1000 /* 64 dir entries at a time, avg. 64 chars per filename = 64*64B = 4KB */
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#define DESCRIPTOR_LEN 32
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#define _ALIGNMENT 0x10 /* 16-byte alignment */
#define _ALIGNMENT_MASK 0xF
#define SYMLINK_TO_DIR 0x1
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#define MAX_HOME_LEN 64
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#define MAX_CTX 4
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#define DOT_FILTER_LEN 8
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/* Macros to define process spawn behaviour as flags */
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#define F_NONE 0x00 /* no flag set */
#define F_MARKER 0x01 /* draw marker to indicate nnn spawned (e.g. shell) */
#define F_NOWAIT 0x02 /* don't wait for child process (e.g. file manager) */
#define F_NOTRACE 0x04 /* suppress stdout and strerr (no traces) */
#define F_SIGINT 0x08 /* restore default SIGINT handler */
#define F_NORMAL 0x80 /* spawn child process in non-curses regular CLI mode */
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/* CRC8 macros */
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#define WIDTH (sizeof(unsigned char) << 3)
#define TOPBIT (1 << (WIDTH - 1))
#define POLYNOMIAL 0xD8 /* 11011 followed by 0's */
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#define CRC8_TABLE_LEN 256
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/* Volume info */
#define FREE 0
#define CAPACITY 1
/* Function macros */
#define exitcurses() endwin()
#define clearprompt() printmsg("")
#define printwarn() printmsg(strerror(errno))
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#define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/')
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#define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1)
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#define settimeout() timeout(1000)
#define cleartimeout() timeout(-1)
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#define errexit() printerr(__LINE__)
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#define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE))
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#ifdef LINUX_INOTIFY
#define EVENT_SIZE (sizeof(struct inotify_event))
#define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16))
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#elif defined(BSD_KQUEUE)
#define NUM_EVENT_SLOTS 1
#define NUM_EVENT_FDS 1
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#endif
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/* TYPE DEFINITIONS */
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typedef unsigned long ulong;
typedef unsigned int uint;
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typedef unsigned char uchar;
typedef unsigned short ushort;
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/* STRUCTURES */
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/* Directory entry */
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typedef struct entry {
char *name;
time_t t;
off_t size;
blkcnt_t blocks; /* number of 512B blocks allocated */
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mode_t mode;
ushort nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */
uchar flags; /* Flags specific to the file */
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} __attribute__ ((packed, aligned(_ALIGNMENT))) *pEntry;
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/* Bookmark */
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typedef struct {
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int key;
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char *loc;
} bm;
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/* Settings */
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typedef struct {
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uint filtermode : 1; /* Set to enter filter mode */
uint mtimeorder : 1; /* Set to sort by time modified */
uint sizeorder : 1; /* Set to sort by file size */
uint apparentsz : 1; /* Set to sort by apparent size (disk usage) */
uint blkorder : 1; /* Set to sort by blocks used (disk usage) */
uint showhidden : 1; /* Set to show hidden files */
uint copymode : 1; /* Set when copying files */
uint autoselect : 1; /* Auto-select dir in nav-as-you-type mode */
uint showdetail : 1; /* Clear to show fewer file info */
uint showcolor : 1; /* Set to show dirs in blue */
uint dircolor : 1; /* Current status of dir color */
uint metaviewer : 1; /* Index of metadata viewer in utils[] */
uint color : 3; /* Color code for directories */
uint ctxactive : 1; /* Context active or not */
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uint reserved : 11;
/* The following settings are global */
uint curctx : 2; /* Current context number */
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uint picker : 1; /* Write selection to user-specified file */
uint pickraw : 1; /* Write selection to sdtout before exit */
uint nonavopen : 1; /* Open file on right arrow or `l` */
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} settings;
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/* Contexts or workspaces */
typedef struct {
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char c_path[PATH_MAX]; /* Current dir */
char c_init[PATH_MAX]; /* Initial dir */
char c_last[PATH_MAX]; /* Last visited dir */
char c_name[NAME_MAX + 1]; /* Current file name */
settings c_cfg; /* Current configuration */
char c_fltr[DOT_FILTER_LEN]; /* Hidden filter */
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} context;
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/* GLOBALS */
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/* Configuration, contexts */
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static settings cfg = {0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 4, 1, 0, 0, 0, 0, 0};
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static context g_ctx[MAX_CTX] __attribute__ ((aligned));
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static struct entry *dents;
static char *pnamebuf, *pcopybuf;
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static int ndents, cur, total_dents = ENTRY_INCR;
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static uint idle;
static uint idletimeout, copybufpos, copybuflen;
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static char *copier;
static char *editor, *editor_arg;
static blkcnt_t ent_blocks;
static blkcnt_t dir_blocks;
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static ulong num_files;
static uint open_max;
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static bm bookmark[BM_MAX];
static size_t g_tmpfplen; /* path to tmp files for copy without X, keybind help and file stats */
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static uchar g_crc;
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static uchar BLK_SHIFT = 9;
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/* CRC data */
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static uchar crc8table[CRC8_TABLE_LEN] __attribute__ ((aligned));
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/* For use in functions which are isolated and don't return the buffer */
static char g_buf[MAX_CMD_LEN] __attribute__ ((aligned));
/* Buffer for file path copy file */
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static char g_cppath[PATH_MAX] __attribute__ ((aligned));
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/* Buffer to store tmp file path */
static char g_tmpfpath[MAX_HOME_LEN] __attribute__ ((aligned));
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#ifdef LINUX_INOTIFY
static int inotify_fd, inotify_wd = -1;
static uint INOTIFY_MASK = IN_ATTRIB | IN_CREATE | IN_DELETE | IN_DELETE_SELF | IN_MODIFY | IN_MOVE_SELF | IN_MOVED_FROM | IN_MOVED_TO;
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#elif defined(BSD_KQUEUE)
static int kq, event_fd = -1;
static struct kevent events_to_monitor[NUM_EVENT_FDS];
static uint KQUEUE_FFLAGS = NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE;
static struct timespec gtimeout;
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#endif
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/* Macros for utilities */
#define MEDIAINFO 0
#define EXIFTOOL 1
#define OPENER 2
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#define ATOOL 3
#define APACK 4
#define VIDIR 5
#define LOCKER 6
#define UNKNOWN 7
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/* Utilities to open files, run actions */
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static char * const utils[] = {
"mediainfo",
"exiftool",
#ifdef __APPLE__
"/usr/bin/open",
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#elif defined __CYGWIN__
"cygstart",
#else
"xdg-open",
#endif
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"atool",
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"apack",
"vidir",
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#ifdef __APPLE__
"bashlock",
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
"lock",
#else
"vlock",
#endif
"UNKNOWN"
};
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/* Common strings */
#define STR_NFTWFAIL_ID 0
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#define STR_NOHOME_ID 1
#define STR_INPUT_ID 2
#define STR_INVBM_KEY 3
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#define STR_COPY_ID 4
#define STR_DATE_ID 5
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static const char messages[][16] = {
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"nftw failed",
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"HOME not set",
"no traversal",
"invalid key",
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"copy not set",
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"%F %T %z",
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};
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/* Forward declarations */
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static void redraw(char *path);
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static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, int pager);
int (*nftw_fn) (const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf);
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/* Functions */
/*
* CRC8 source:
* https://barrgroup.com/Embedded-Systems/How-To/CRC-Calculation-C-Code
*/
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static void crc8init()
{
uchar remainder, bit;
uint dividend;
/* Compute the remainder of each possible dividend */
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for (dividend = 0; dividend < CRC8_TABLE_LEN; ++dividend) {
/* Start with the dividend followed by zeros */
remainder = dividend << (WIDTH - 8);
/* Perform modulo-2 division, a bit at a time */
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for (bit = 8; bit > 0; --bit) {
/* Try to divide the current data bit */
if (remainder & TOPBIT)
remainder = (remainder << 1) ^ POLYNOMIAL;
else
remainder = (remainder << 1);
}
/* Store the result into the table */
crc8table[dividend] = remainder;
}
}
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static uchar crc8fast(uchar const message[], size_t n)
{
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static uchar data, remainder;
static size_t byte;
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/* Divide the message by the polynomial, a byte at a time */
for (remainder = byte = 0; byte < n; ++byte) {
data = message[byte] ^ (remainder >> (WIDTH - 8));
remainder = crc8table[data] ^ (remainder << 8);
}
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/* The final remainder is the CRC */
return remainder;
}
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/* Messages show up at the bottom */
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static void printmsg(const char *msg)
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{
mvprintw(LINES - 1, 0, "%s\n", msg);
}
/* Kill curses and display error before exiting */
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static void printerr(int linenum)
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{
exitcurses();
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fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno));
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if (!cfg.picker && g_cppath[0])
unlink(g_cppath);
free(pcopybuf);
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exit(1);
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}
/* Print prompt on the last line */
static void printprompt(const char *str)
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{
clearprompt();
printw(str);
}
static int get_input(const char *prompt)
{
if (prompt)
printprompt(prompt);
cleartimeout();
int r = getch();
settimeout();
return r;
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}
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/* Increase the limit on open file descriptors, if possible */
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static rlim_t max_openfds()
{
struct rlimit rl;
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rlim_t limit = getrlimit(RLIMIT_NOFILE, &rl);
if (limit != 0)
return 32;
limit = rl.rlim_cur;
rl.rlim_cur = rl.rlim_max;
/* Return ~75% of max possible */
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if (setrlimit(RLIMIT_NOFILE, &rl) == 0) {
limit = rl.rlim_max - (rl.rlim_max >> 2);
/*
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* 20K is arbitrary. If the limit is set to max possible
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* value, the memory usage increases to more than double.
*/
return limit > 20480 ? 20480 : limit;
}
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return limit;
}
/*
* Wrapper to realloc()
* Frees current memory if realloc() fails and returns NULL.
*
* As per the docs, the *alloc() family is supposed to be memory aligned:
* Ubuntu: http://manpages.ubuntu.com/manpages/xenial/man3/malloc.3.html
* OS X: https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man3/malloc.3.html
*/
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static void *xrealloc(void *pcur, size_t len)
{
static void *pmem;
pmem = realloc(pcur, len);
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if (!pmem)
free(pcur);
return pmem;
}
/*
* Just a safe strncpy(3)
* Always null ('\0') terminates if both src and dest are valid pointers.
* Returns the number of bytes copied including terminating null byte.
*/
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static size_t xstrlcpy(char *dest, const char *src, size_t n)
{
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static ulong *s, *d;
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static size_t len, blocks;
static const uint lsize = sizeof(ulong);
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static const uint _WSHIFT = (sizeof(ulong) == 8) ? 3 : 2;
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if (!src || !dest || !n)
return 0;
len = strlen(src) + 1;
if (n > len)
n = len;
else if (len > n)
/* Save total number of bytes to copy in len */
len = n;
2017-12-29 05:38:07 +00:00
/*
* To enable -O3 ensure src and dest are 16-byte aligned
* More info: http://www.felixcloutier.com/x86/MOVDQA.html
*/
if ((n >= lsize) && (((ulong)src & _ALIGNMENT_MASK) == 0 && ((ulong)dest & _ALIGNMENT_MASK) == 0)) {
s = (ulong *)src;
d = (ulong *)dest;
2017-12-29 05:38:07 +00:00
blocks = n >> _WSHIFT;
2018-01-08 18:43:11 +00:00
n &= lsize - 1;
while (blocks) {
*d = *s;
++d, ++s;
--blocks;
}
if (!n) {
dest = (char *)d;
*--dest = '\0';
return len;
}
src = (char *)s;
dest = (char *)d;
}
2017-06-17 06:58:21 +00:00
while (--n && (*dest = *src))
++dest, ++src;
2017-05-16 16:52:49 +00:00
if (!n)
*dest = '\0';
return len;
}
2017-04-01 12:02:58 +00:00
/*
* The poor man's implementation of memrchr(3).
2017-04-01 12:02:58 +00:00
* We are only looking for '/' in this program.
2017-12-24 17:53:52 +00:00
* And we are NOT expecting a '/' at the end.
2017-07-05 04:47:42 +00:00
* Ideally 0 < n <= strlen(s).
2017-04-01 12:02:58 +00:00
*/
2018-10-22 14:25:45 +00:00
static void *xmemrchr(uchar *s, uchar ch, size_t n)
2017-04-01 12:02:58 +00:00
{
2017-12-24 20:14:48 +00:00
static uchar *ptr;
2017-04-01 12:02:58 +00:00
if (!s || !n)
return NULL;
2017-12-24 20:14:48 +00:00
ptr = s + n;
2017-04-01 12:02:58 +00:00
2017-12-24 20:14:48 +00:00
do {
--ptr;
2017-06-17 06:58:21 +00:00
2017-12-24 20:14:48 +00:00
if (*ptr == ch)
return ptr;
} while (s != ptr);
2017-04-01 12:02:58 +00:00
return NULL;
}
/*
* The following dirname(3) implementation does not
* modify the input. We use a copy of the original.
2017-04-01 12:02:58 +00:00
*
* Modified from the glibc (GNU LGPL) version.
*/
2018-10-22 14:25:45 +00:00
static char *xdirname(const char *path)
2017-04-01 12:02:58 +00:00
{
2017-12-24 15:33:23 +00:00
static char * const buf = g_buf, *last_slash, *runp;
xstrlcpy(buf, path, PATH_MAX);
2017-04-01 12:02:58 +00:00
/* Find last '/'. */
last_slash = xmemrchr((uchar *)buf, '/', strlen(buf));
2017-04-01 12:02:58 +00:00
if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') {
2017-04-01 12:02:58 +00:00
/* Determine whether all remaining characters are slashes. */
for (runp = last_slash; runp != buf; --runp)
2017-04-01 12:02:58 +00:00
if (runp[-1] != '/')
break;
/* The '/' is the last character, we have to look further. */
if (runp != buf)
2017-07-05 04:47:42 +00:00
last_slash = xmemrchr((uchar *)buf, '/', runp - buf);
2017-04-01 12:02:58 +00:00
}
if (last_slash != NULL) {
/* Determine whether all remaining characters are slashes. */
for (runp = last_slash; runp != buf; --runp)
2017-04-01 12:02:58 +00:00
if (runp[-1] != '/')
break;
/* Terminate the buffer. */
if (runp == buf) {
2017-04-01 12:02:58 +00:00
/* The last slash is the first character in the string.
2017-06-15 14:04:56 +00:00
* We have to return "/". As a special case we have to
* return "//" if there are exactly two slashes at the
* beginning of the string. See XBD 4.10 Path Name
* Resolution for more information.
*/
if (last_slash == buf + 1)
2017-04-01 12:02:58 +00:00
++last_slash;
else
last_slash = buf + 1;
2017-04-01 12:02:58 +00:00
} else
last_slash = runp;
last_slash[0] = '\0';
} else {
/* This assignment is ill-designed but the XPG specs require to
2017-06-15 14:04:56 +00:00
* return a string containing "." in any case no directory part
* is found and so a static and constant string is required.
*/
buf[0] = '.';
buf[1] = '\0';
2017-04-01 12:02:58 +00:00
}
return buf;
2017-04-01 12:02:58 +00:00
}
2018-10-22 14:25:45 +00:00
static char *xbasename(char *path)
2017-12-24 17:53:52 +00:00
{
static char *base;
base = xmemrchr((uchar *)path, '/', strlen(path));
2017-12-24 17:53:52 +00:00
return base ? base + 1 : path;
}
/* Writes buflen char(s) from buf to a file */
2018-10-22 14:25:45 +00:00
static void writecp(const char *buf, const size_t buflen)
{
2018-11-23 17:11:47 +00:00
if (cfg.pickraw) {
return;
}
if (!g_cppath[0]) {
printmsg(messages[STR_COPY_ID]);
2018-09-07 02:49:15 +00:00
return;
}
2018-09-07 02:49:15 +00:00
FILE *fp = fopen(g_cppath, "w");
if (fp) {
fwrite(buf, 1, buflen, fp);
fclose(fp);
} else
printwarn();
}
2018-10-22 14:25:45 +00:00
static bool appendfpath(const char *path, const size_t len)
{
if ((copybufpos >= copybuflen) || ((len + 3) > (copybuflen - copybufpos))) {
copybuflen += PATH_MAX;
pcopybuf = xrealloc(pcopybuf, copybuflen);
if (!pcopybuf) {
2018-02-24 14:16:58 +00:00
printmsg("no memory!");
return FALSE;
}
}
/* Enabling the following will miss files with newlines */
/* if (copybufpos)
pcopybuf[copybufpos - 1] = '\n'; */
copybufpos += xstrlcpy(pcopybuf + copybufpos, path, len);
2018-01-28 06:03:12 +00:00
return TRUE;
}
/* Write selected file paths to fd, linefeed separated */
static ssize_t selectiontofd(int fd)
{
char *pbuf = pcopybuf;
ssize_t pos = 0, len, r, lastpos = copybufpos - 1;
while (pos < copybufpos) {
while(pcopybuf[pos])
++pos;
len = strlen(pbuf);
r = write(fd, pbuf, len);
if (r != len)
return pos;
if (pos != lastpos) {
if (write(fd, "\n", 1) != 1)
return pos;
pbuf = pbuf + len + 1;
}
++pos;
}
return pos;
}
2018-10-22 14:25:45 +00:00
static bool showcplist()
{
int fd;
ssize_t pos;
if (!copybufpos)
return FALSE;
if (g_tmpfpath[0])
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
else {
printmsg(messages[STR_NOHOME_ID]);
return -1;
}
fd = mkstemp(g_tmpfpath);
if (fd == -1)
return FALSE;
pos = selectiontofd(fd);
close(fd);
exitcurses();
if (pos && pos == copybufpos)
get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
unlink(g_tmpfpath);
refresh();
return TRUE;
}
2017-06-20 04:56:31 +00:00
/* Initialize curses mode */
2018-10-22 14:25:45 +00:00
static void initcurses(void)
{
if (initscr() == NULL) {
char *term = getenv("TERM");
if (term != NULL)
2017-07-03 13:38:38 +00:00
fprintf(stderr, "error opening TERM: %s\n", term);
else
2017-07-03 13:38:38 +00:00
fprintf(stderr, "initscr() failed\n");
exit(1);
}
2017-08-22 17:04:17 +00:00
cbreak();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
curs_set(FALSE); /* Hide cursor */
start_color();
use_default_colors();
2017-07-02 20:56:47 +00:00
if (cfg.showcolor)
init_pair(1, cfg.color, -1);
2017-08-24 01:34:56 +00:00
settimeout(); /* One second */
}
/*
2017-06-20 15:59:37 +00:00
* Spawns a child process. Behaviour can be controlled using flag.
* Limited to 2 arguments to a program, flag works on bit set.
*/
2018-10-22 14:25:45 +00:00
static void spawn(const char *file, const char *arg1, const char *arg2, const char *dir, uchar flag)
{
2017-12-19 18:03:27 +00:00
static char *shlvl;
static pid_t pid;
static int status;
2017-07-02 10:42:30 +00:00
if (flag & F_NORMAL)
exitcurses();
pid = fork();
if (pid == 0) {
if (dir != NULL)
status = chdir(dir);
2017-05-14 19:21:36 +00:00
shlvl = getenv("SHLVL");
2017-05-14 19:21:36 +00:00
/* Show a marker (to indicate nnn spawned shell) */
if (flag & F_MARKER && shlvl != NULL) {
2018-10-18 17:30:15 +00:00
fprintf(stdout, "\n +-++-++-+\n | n n n |\n +-++-++-+\n\n");
fprintf(stdout, "Next shell level: %d\n", atoi(shlvl) + 1);
2017-06-25 17:25:46 +00:00
}
2017-04-22 14:56:22 +00:00
2017-05-14 19:21:36 +00:00
/* Suppress stdout and stderr */
2017-07-02 10:42:30 +00:00
if (flag & F_NOTRACE) {
2017-06-15 14:04:56 +00:00
int fd = open("/dev/null", O_WRONLY, 0200);
2017-05-14 19:21:36 +00:00
dup2(fd, 1);
dup2(fd, 2);
close(fd);
}
if (flag & F_NOWAIT) {
signal(SIGHUP, SIG_IGN);
signal(SIGPIPE, SIG_IGN);
setsid();
}
2017-07-02 10:42:30 +00:00
if (flag & F_SIGINT)
signal(SIGINT, SIG_DFL);
2017-05-14 19:21:36 +00:00
execlp(file, file, arg1, arg2, NULL);
_exit(1);
} else {
2017-07-02 10:42:30 +00:00
if (!(flag & F_NOWAIT))
/* Ignore interruptions */
while (waitpid(pid, &status, 0) == -1)
DPRINTF_D(status);
DPRINTF_D(pid);
2017-07-02 10:42:30 +00:00
if (flag & F_NORMAL)
refresh();
}
}
2017-06-20 04:56:31 +00:00
/* Get program name from env var, else return fallback program */
2018-10-22 14:25:45 +00:00
static char *xgetenv(const char *name, char *fallback)
{
static char *value;
if (name == NULL)
return fallback;
2017-06-21 04:19:02 +00:00
value = getenv(name);
2017-06-21 04:19:02 +00:00
return value && value[0] ? value : fallback;
}
2017-08-23 12:43:22 +00:00
/* Check if a dir exists, IS a dir and is readable */
2018-10-22 14:25:45 +00:00
static bool xdiraccess(const char *path)
2017-08-23 12:43:22 +00:00
{
static DIR *dirp;
dirp = opendir(path);
if (dirp == NULL) {
printwarn();
return FALSE;
}
closedir(dirp);
return TRUE;
}
/*
* We assume none of the strings are NULL.
*
* Let's have the logic to sort numeric names in numeric order.
* E.g., the order '1, 10, 2' doesn't make sense to human eyes.
*
* If the absolute numeric values are same, we fallback to alphasort.
*/
2018-10-22 14:25:45 +00:00
static int xstricmp(const char * const s1, const char * const s2)
{
2017-12-24 15:33:23 +00:00
static const char *c1, *c2;
c1 = s1;
while (isspace(*c1))
++c1;
c2 = s2;
while (isspace(*c2))
++c2;
if (*c1 == '-' || *c1 == '+')
++c1;
if (*c2 == '-' || *c2 == '+')
2017-06-17 06:58:21 +00:00
++c2;
if (isdigit(*c1) && isdigit(*c2)) {
while (*c1 >= '0' && *c1 <= '9')
++c1;
while (isspace(*c1))
++c1;
while (*c2 >= '0' && *c2 <= '9')
++c2;
while (isspace(*c2))
++c2;
}
if (!*c1 && !*c2) {
static long long num1, num2;
2017-12-21 13:42:12 +00:00
num1 = strtoll(s1, NULL, 10);
num2 = strtoll(s2, NULL, 10);
if (num1 != num2) {
if (num1 > num2)
return 1;
2018-11-03 10:20:01 +00:00
return -1;
}
}
return strcoll(s1, s2);
}
2017-08-20 16:10:52 +00:00
/* Return the integer value of a char representing HEX */
2018-10-22 14:25:45 +00:00
static char xchartohex(char c)
2017-08-20 16:10:52 +00:00
{
if (c >= '0' && c <= '9')
return c - '0';
c = TOUPPER(c);
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return c;
}
2018-10-22 14:25:45 +00:00
static char *getmime(const char *file)
2014-10-07 06:05:30 +00:00
{
static regex_t regex;
static uint i;
2017-12-24 15:33:23 +00:00
static const uint len = LEN(assocs);
2014-10-07 06:05:30 +00:00
2017-06-17 06:58:21 +00:00
for (i = 0; i < len; ++i) {
2017-08-22 17:04:17 +00:00
if (regcomp(&regex, assocs[i].regex, REG_NOSUB | REG_EXTENDED | REG_ICASE) != 0)
2014-10-09 09:33:49 +00:00
continue;
2018-04-01 17:21:55 +00:00
2018-03-18 22:12:56 +00:00
if (regexec(&regex, file, 0, NULL, 0) == 0) {
regfree(&regex);
return assocs[i].mime;
2018-03-18 22:12:56 +00:00
}
2014-10-09 09:33:49 +00:00
}
2017-12-24 15:33:23 +00:00
2018-03-18 22:12:56 +00:00
regfree(&regex);
return NULL;
2014-10-07 06:05:30 +00:00
}
2018-10-22 14:25:45 +00:00
static int setfilter(regex_t *regex, char *filter)
{
static size_t len;
static int r;
r = regcomp(regex, filter, REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0 && filter && filter[0] != '\0') {
len = COLS;
if (len > NAME_MAX)
len = NAME_MAX;
regerror(r, regex, g_buf, len);
printmsg(g_buf);
}
2018-04-01 17:21:55 +00:00
return r;
}
2018-11-09 14:37:47 +00:00
static void initfilter(int dot, char *hfltr)
{
2018-11-09 14:37:47 +00:00
dot ? (hfltr[0] = '.', hfltr[1] = '\0') : xstrlcpy(hfltr, "^[^.]", DOT_FILTER_LEN);
}
2018-10-22 14:25:45 +00:00
static int visible(regex_t *regex, char *file)
{
2014-12-20 19:21:03 +00:00
return regexec(regex, file, 0, NULL, 0) == 0;
}
2018-10-22 14:25:45 +00:00
static int entrycmp(const void *va, const void *vb)
2014-10-07 06:05:30 +00:00
{
2017-04-01 20:18:33 +00:00
static pEntry pa, pb;
pa = (pEntry)va;
pb = (pEntry)vb;
/* Sort directories first */
if (S_ISDIR(pb->mode) && !S_ISDIR(pa->mode))
return 1;
2018-11-03 10:20:01 +00:00
if (S_ISDIR(pa->mode) && !S_ISDIR(pb->mode))
2017-04-01 20:18:33 +00:00
return -1;
/* Do the actual sorting */
2017-06-20 14:58:53 +00:00
if (cfg.mtimeorder)
2017-04-01 20:18:33 +00:00
return pb->t - pa->t;
2017-06-20 14:58:53 +00:00
if (cfg.sizeorder) {
if (pb->size > pa->size)
return 1;
2018-11-03 10:20:01 +00:00
if (pb->size < pa->size)
return -1;
}
if (cfg.blkorder) {
if (pb->blocks > pa->blocks)
return 1;
2018-11-03 10:20:01 +00:00
if (pb->blocks < pa->blocks)
return -1;
}
return xstricmp(pa->name, pb->name);
2014-10-07 06:05:30 +00:00
}
2017-08-20 20:48:14 +00:00
/*
* Returns SEL_* if key is bound and 0 otherwise.
* Also modifies the run and env pointers (used on SEL_{RUN,RUNARG}).
* The next keyboard input can be simulated by presel.
*/
2018-10-22 14:25:45 +00:00
static int nextsel(char **run, char **env, int *presel)
2014-10-07 06:05:30 +00:00
{
static int c;
2017-12-24 15:33:23 +00:00
static uint i;
static const uint len = LEN(bindings);
2017-08-20 20:48:14 +00:00
#ifdef LINUX_INOTIFY
static char inotify_buf[EVENT_BUF_LEN];
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
static struct kevent event_data[NUM_EVENT_SLOTS];
2017-08-20 20:48:14 +00:00
#endif
c = *presel;
2014-10-07 06:05:30 +00:00
2018-11-26 21:49:37 +00:00
if (c == 0) {
2017-04-28 23:02:47 +00:00
c = getch();
2018-11-26 21:49:37 +00:00
DPRINTF_D(c);
} else {
2017-08-22 21:58:26 +00:00
/* Unwatch dir if we are still in a filtered view */
#ifdef LINUX_INOTIFY
2018-11-09 19:26:21 +00:00
if (*presel == FILTER && inotify_wd >= 0) {
2017-08-22 21:58:26 +00:00
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
#elif defined(BSD_KQUEUE)
2018-11-09 19:26:21 +00:00
if (*presel == FILTER && event_fd >= 0) {
2017-08-22 21:58:26 +00:00
close(event_fd);
event_fd = -1;
}
#endif
2018-11-09 19:26:21 +00:00
*presel = 0;
2017-08-22 21:58:26 +00:00
}
2017-08-20 20:48:14 +00:00
if (c == -1) {
2017-06-17 06:58:21 +00:00
++idle;
2017-08-22 21:58:26 +00:00
2018-11-10 08:26:14 +00:00
/*
* Do not check for directory changes in du mode. A redraw forces du calculation.
2017-08-20 20:48:14 +00:00
* Check for changes every odd second.
*/
2017-08-22 21:58:26 +00:00
#ifdef LINUX_INOTIFY
if (!cfg.blkorder && inotify_wd >= 0 && idle & 1 && read(inotify_fd, inotify_buf, EVENT_BUF_LEN) > 0)
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
2017-08-22 21:58:26 +00:00
if (!cfg.blkorder && event_fd >= 0 && idle & 1
&& kevent(kq, events_to_monitor, NUM_EVENT_SLOTS, event_data, NUM_EVENT_FDS, &gtimeout) > 0)
2017-08-20 20:48:14 +00:00
#endif
2017-08-21 16:33:26 +00:00
c = CONTROL('L');
2017-08-20 20:48:14 +00:00
} else
idle = 0;
2017-06-17 06:58:21 +00:00
for (i = 0; i < len; ++i)
if (c == bindings[i].sym) {
*run = bindings[i].run;
*env = bindings[i].env;
return bindings[i].act;
}
2014-10-07 06:05:30 +00:00
return 0;
}
2017-05-17 02:46:33 +00:00
/*
* Move non-matching entries to the end
*/
2018-10-22 14:25:45 +00:00
static int fill(struct entry **dents, int (*filter)(regex_t *, char *), regex_t *re)
2017-04-28 23:02:47 +00:00
{
2017-05-17 02:46:33 +00:00
static int count;
static struct entry _dent, *pdent1, *pdent2;
2017-05-17 02:46:33 +00:00
2017-06-17 06:58:21 +00:00
for (count = 0; count < ndents; ++count) {
2017-05-17 02:46:33 +00:00
if (filter(re, (*dents)[count].name) == 0) {
if (count != --ndents) {
pdent1 = &(*dents)[count];
pdent2 = &(*dents)[ndents];
2017-05-17 02:46:33 +00:00
*(&_dent) = *pdent1;
*pdent1 = *pdent2;
*pdent2 = *(&_dent);
2017-06-17 06:58:21 +00:00
--count;
2017-05-17 02:46:33 +00:00
}
2017-04-28 23:02:47 +00:00
continue;
}
}
2018-03-18 22:24:19 +00:00
return ndents;
2017-04-28 23:02:47 +00:00
}
2018-10-22 14:25:45 +00:00
static int matches(char *fltr)
2017-04-28 23:02:47 +00:00
{
static regex_t re;
/* Search filter */
if (setfilter(&re, fltr) != 0)
return -1;
2018-03-18 22:24:19 +00:00
ndents = fill(&dents, visible, &re);
2018-03-18 22:12:56 +00:00
regfree(&re);
if (!ndents)
2018-03-18 22:24:19 +00:00
return 0;
2018-03-18 22:12:56 +00:00
2017-04-28 23:02:47 +00:00
qsort(dents, ndents, sizeof(*dents), entrycmp);
return 0;
}
2018-10-22 14:25:45 +00:00
static int filterentries(char *path)
{
2017-12-30 08:24:49 +00:00
static char ln[REGEX_MAX] __attribute__ ((aligned));
static wchar_t wln[REGEX_MAX] __attribute__ ((aligned));
2017-04-28 23:02:47 +00:00
static wint_t ch[2] = {0};
2017-12-19 19:12:11 +00:00
int r, total = ndents, oldcur = cur, len = 1;
2017-04-28 23:02:47 +00:00
char *pln = ln + 1;
2017-08-24 04:45:32 +00:00
ln[0] = wln[0] = FILTER;
ln[1] = wln[1] = '\0';
2017-04-28 23:02:47 +00:00
cur = 0;
2017-08-24 01:34:56 +00:00
cleartimeout();
curs_set(TRUE);
2017-04-28 23:02:47 +00:00
printprompt(ln);
2017-08-25 08:40:57 +00:00
while ((r = get_wch(ch)) != ERR) {
2018-10-27 20:22:07 +00:00
switch (*ch) {
case KEY_DC: // fallthrough
case KEY_BACKSPACE: // fallthrough
case '\b': // fallthrough
case CONTROL('L'): // fallthrough
case 127: /* handle DEL */
if (len == 1 && *ch != CONTROL('L')) {
2017-12-14 13:42:14 +00:00
cur = oldcur;
*ch = CONTROL('L');
goto end;
}
2017-04-28 23:02:47 +00:00
2018-10-27 20:22:07 +00:00
if (*ch == CONTROL('L'))
while (len > 1)
wln[--len] = '\0';
else
wln[--len] = '\0';
2017-12-14 13:42:14 +00:00
if (len == 1)
cur = oldcur;
2017-04-28 23:02:47 +00:00
2017-12-14 13:42:14 +00:00
wcstombs(ln, wln, REGEX_MAX);
ndents = total;
2018-08-28 17:21:26 +00:00
if (matches(pln) != -1)
redraw(path);
2017-12-14 13:42:14 +00:00
printprompt(ln);
continue;
2018-10-27 20:22:07 +00:00
case 27: /* Exit filter mode on Escape */
2018-10-27 03:05:05 +00:00
cur = oldcur;
*ch = CONTROL('L');
goto end;
}
2017-08-25 08:40:57 +00:00
if (r == OK) {
2018-04-25 16:27:46 +00:00
/* Handle all control chars in main loop */
if (keyname(*ch)[0] == '^') {
if (len == 1)
cur = oldcur;
goto end;
}
2017-08-25 08:40:57 +00:00
switch (*ch) {
case '\r': // with nonl(), this is ENTER key value
if (len == 1) {
cur = oldcur;
goto end;
}
if (matches(pln) == -1)
goto end;
redraw(path);
goto end;
case '?': // '?' is an invalid regex, show help instead
if (len == 1) {
cur = oldcur;
goto end;
} // fallthrough
2017-04-28 23:02:47 +00:00
default:
2017-07-02 20:19:14 +00:00
/* Reset cur in case it's a repeat search */
if (len == 1)
cur = 0;
2017-12-19 19:12:11 +00:00
if (len == REGEX_MAX - 1)
2017-08-24 04:45:32 +00:00
break;
2017-06-17 06:58:21 +00:00
wln[len] = (wchar_t)*ch;
2017-07-02 20:19:14 +00:00
wln[++len] = '\0';
2017-08-24 04:45:32 +00:00
wcstombs(ln, wln, REGEX_MAX);
2018-08-07 23:34:34 +00:00
/* Forward-filtering optimization:
* - new matches can only be a subset of current matches.
*/
/* ndents = total; */
2017-04-28 23:02:47 +00:00
if (matches(pln) == -1)
continue;
/* If the only match is a dir, auto-select and cd into it */
2018-10-21 18:00:46 +00:00
if (ndents == 1 && cfg.filtermode && cfg.autoselect && S_ISDIR(dents[0].mode)) {
*ch = KEY_ENTER;
cur = 0;
goto end;
}
/*
* redraw() should be above the auto-select optimization, for
* the case where there's an issue with dir auto-select, say,
2018-11-09 14:37:47 +00:00
* due to a permission problem. The transition is _jumpy_ in
* case of such an error. However, we optimize for successful
* cases where the dir has permissions. This skips a redraw().
*/
2017-04-28 23:02:47 +00:00
redraw(path);
printprompt(ln);
}
2017-08-25 08:40:57 +00:00
} else {
if (len == 1)
cur = oldcur;
goto end;
}
}
2017-04-28 23:02:47 +00:00
end:
curs_set(FALSE);
2017-08-24 01:34:56 +00:00
settimeout();
/* Return keys for navigation etc. */
2017-04-28 23:02:47 +00:00
return *ch;
}
2017-08-24 01:34:56 +00:00
/* Show a prompt with input string and return the changes */
static char *xreadline(char *fname, char *prompt)
2017-08-24 01:34:56 +00:00
{
2017-08-24 04:45:32 +00:00
size_t len, pos;
int x, y, r;
wint_t ch[2] = {0};
static wchar_t * const buf = (wchar_t *)g_buf;
2017-08-24 01:34:56 +00:00
cleartimeout();
2018-04-25 17:07:59 +00:00
printprompt(prompt);
2017-09-10 07:35:25 +00:00
if (fname) {
DPRINTF_S(fname);
len = pos = mbstowcs(buf, fname, NAME_MAX);
} else
len = (size_t)-1;
2017-08-25 12:57:06 +00:00
if (len == (size_t)-1) {
2017-08-24 01:34:56 +00:00
buf[0] = '\0';
len = pos = 0;
}
getyx(stdscr, y, x);
2018-10-27 03:05:05 +00:00
curs_set(TRUE);
2017-08-24 01:34:56 +00:00
while (1) {
buf[len] = ' ';
2017-08-24 04:45:32 +00:00
mvaddnwstr(y, x, buf, len + 1);
move(y, x + wcswidth(buf, pos));
2017-08-24 01:34:56 +00:00
2018-07-12 14:28:53 +00:00
r = get_wch(ch);
if (r != ERR) {
if (r == OK) {
2018-07-04 13:32:47 +00:00
switch (*ch) {
case KEY_ENTER: // fallthrough
case '\n': // fallthrough
2018-07-04 13:32:47 +00:00
case '\r':
goto END;
2018-11-23 21:36:01 +00:00
case 127: /* Handle DEL */ // fallthrough
2018-07-04 13:32:47 +00:00
case '\b': /* some old curses (e.g. rhel25) still send '\b' for backspace */
if (pos > 0) {
memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
--len, --pos;
} // fallthrough
2018-07-04 13:32:47 +00:00
case '\t': /* TAB breaks cursor position, ignore it */
continue;
2018-07-04 13:32:47 +00:00
case CONTROL('L'):
2017-08-25 16:19:55 +00:00
clearprompt();
2018-04-25 17:07:59 +00:00
printprompt(prompt);
2017-08-25 16:19:55 +00:00
len = pos = 0;
continue;
2018-07-04 13:32:47 +00:00
case CONTROL('A'):
pos = 0;
continue;
2018-07-04 13:32:47 +00:00
case CONTROL('E'):
pos = len;
continue;
2018-07-04 13:32:47 +00:00
case CONTROL('U'):
clearprompt();
2018-04-25 17:07:59 +00:00
printprompt(prompt);
memmove(buf, buf + pos, (len - pos) << 2);
len -= pos;
pos = 0;
continue;
2018-10-27 03:05:05 +00:00
case 27: /* Exit prompt on Escape */
len = 0;
goto END;
}
/* Filter out all other control chars */
if (keyname(*ch)[0] == '^')
continue;
if (pos < NAME_MAX - 1) {
memmove(buf + pos + 1, buf + pos, (len - pos) << 2);
buf[pos] = *ch;
++len, ++pos;
continue;
}
} else {
switch (*ch) {
case KEY_LEFT:
if (pos > 0)
--pos;
break;
case KEY_RIGHT:
if (pos < len)
++pos;
break;
case KEY_BACKSPACE:
if (pos > 0) {
memmove(buf + pos - 1, buf + pos, (len - pos) << 2);
--len, --pos;
}
break;
case KEY_DC:
if (pos < len) {
memmove(buf + pos, buf + pos + 1, (len - pos - 1) << 2);
--len;
}
break;
default:
break;
}
2017-08-24 01:34:56 +00:00
}
}
}
2018-07-04 13:32:47 +00:00
END:
2018-10-27 03:05:05 +00:00
curs_set(FALSE);
2017-08-24 01:34:56 +00:00
settimeout();
2018-11-07 16:43:56 +00:00
clearprompt();
2018-10-27 03:05:05 +00:00
2018-11-07 16:43:56 +00:00
buf[len] = '\0';
2017-09-10 07:35:25 +00:00
DPRINTF_S(buf);
2018-11-06 22:57:53 +00:00
wcstombs(g_buf + ((NAME_MAX + 1) << 4), buf, NAME_MAX);
return g_buf + ((NAME_MAX + 1) << 4);
2017-08-24 01:34:56 +00:00
}
2017-04-02 08:48:54 +00:00
/*
* Updates out with "dir/name or "/name"
2018-01-13 21:57:24 +00:00
* Returns the number of bytes copied including the terminating NULL byte
2017-04-02 08:48:54 +00:00
*/
2018-10-22 14:25:45 +00:00
static size_t mkpath(char *dir, char *name, char *out, size_t n)
{
2018-01-13 21:57:24 +00:00
static size_t len;
/* Handle absolute path */
2017-03-29 14:12:23 +00:00
if (name[0] == '/')
return xstrlcpy(out, name, n);
2018-07-08 16:02:26 +00:00
/* Handle root case */
if (istopdir(dir))
len = 1;
else
len = xstrlcpy(out, dir, n);
2018-01-13 21:57:24 +00:00
out[len - 1] = '/';
return (xstrlcpy(out + len, name, n - len) + len);
}
2018-11-11 21:34:17 +00:00
static int parsebmstr()
2017-06-11 04:15:50 +00:00
{
int i = 0;
2018-10-17 15:16:29 +00:00
char *bms = getenv("NNN_BMS");
if (!bms)
2018-11-11 21:34:17 +00:00
return 0;
2017-06-11 04:15:50 +00:00
2017-08-24 04:46:35 +00:00
while (*bms && i < BM_MAX) {
2018-11-12 17:59:29 +00:00
bookmark[i].key = *bms;
2017-06-11 04:15:50 +00:00
2018-11-12 17:59:29 +00:00
if (!*++bms) {
bookmark[i].key = '\0';
2017-06-11 04:15:50 +00:00
break;
}
2018-11-12 17:59:29 +00:00
if (*bms != ':')
return -1; /* We support single char keys only */
2017-06-11 04:15:50 +00:00
bookmark[i].loc = ++bms;
if (bookmark[i].loc[0] == '\0' || bookmark[i].loc[0] == ';') {
2018-11-12 17:59:29 +00:00
bookmark[i].key = '\0';
2017-06-11 04:15:50 +00:00
break;
}
while (*bms && *bms != ';')
2017-06-17 06:58:21 +00:00
++bms;
2017-06-11 04:15:50 +00:00
if (*bms)
*bms = '\0';
else
break;
2017-06-17 06:58:21 +00:00
++bms;
++i;
2017-06-11 04:15:50 +00:00
}
2018-11-11 21:34:17 +00:00
return 0;
2017-06-11 04:15:50 +00:00
}
/*
* Get the real path to a bookmark
*
* NULL is returned in case of no match, path resolution failure etc.
* buf would be modified, so check return value before access
*/
2018-11-12 17:59:29 +00:00
static char *get_bm_loc(int key, char *buf)
{
int r;
for (r = 0; bookmark[r].key && r < BM_MAX; ++r) {
2018-11-12 17:59:29 +00:00
if (bookmark[r].key == key) {
if (bookmark[r].loc[0] == '~') {
char *home = getenv("HOME");
2017-12-27 20:17:44 +00:00
if (!home) {
2018-01-14 06:41:46 +00:00
DPRINTF_S(messages[STR_NOHOME_ID]);
return NULL;
}
snprintf(buf, PATH_MAX, "%s%s", home, bookmark[r].loc + 1);
} else
xstrlcpy(buf, bookmark[r].loc, PATH_MAX);
return buf;
}
}
DPRINTF_S("Invalid key");
return NULL;
}
2018-10-22 14:25:45 +00:00
static void resetdircolor(mode_t mode)
{
if (cfg.dircolor && !S_ISDIR(mode)) {
attroff(COLOR_PAIR(1) | A_BOLD);
cfg.dircolor = 0;
}
}
2017-07-02 10:42:30 +00:00
/*
* Replace escape characters in a string with '?'
* Adjust string length to maxcols if > 0;
2017-12-19 18:03:27 +00:00
*
2018-01-04 12:16:06 +00:00
* Interestingly, note that unescape() uses g_buf. What happens if
2017-12-19 18:03:27 +00:00
* str also points to g_buf? In this case we assume that the caller
* acknowledges that it's OK to lose the data in g_buf after this
* call to unescape().
* The API, on its part, first converts str to multibyte (after which
* it doesn't touch str anymore). Only after that it starts modifying
2018-01-04 12:16:06 +00:00
* g_buf. This is a phased operation.
2017-07-02 10:42:30 +00:00
*/
2018-10-22 14:25:45 +00:00
static char *unescape(const char *str, uint maxcols)
{
2017-12-30 08:24:49 +00:00
static wchar_t wbuf[PATH_MAX] __attribute__ ((aligned));
static wchar_t *buf;
2017-09-01 12:20:14 +00:00
static size_t len;
2017-06-15 14:04:56 +00:00
/* Convert multi-byte to wide char */
len = mbstowcs(wbuf, str, PATH_MAX);
2018-01-04 12:16:06 +00:00
g_buf[0] = '\0';
2017-12-19 18:03:27 +00:00
buf = wbuf;
2017-09-01 12:20:14 +00:00
if (maxcols && len > maxcols) {
len = wcswidth(wbuf, len);
2017-09-01 12:20:14 +00:00
if (len > maxcols)
wbuf[maxcols] = 0;
}
while (*buf) {
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
2017-06-17 06:58:21 +00:00
++buf;
}
/* Convert wide char to multi-byte */
2018-01-04 12:16:06 +00:00
wcstombs(g_buf, wbuf, PATH_MAX);
return g_buf;
}
2018-10-22 14:25:45 +00:00
static char *coolsize(off_t size)
{
2017-07-03 13:38:38 +00:00
static const char * const U = "BKMGTPEZY";
2017-04-01 07:26:25 +00:00
static char size_buf[12]; /* Buffer to hold human readable size */
static off_t rem;
2018-03-05 12:45:42 +00:00
static int i;
2017-04-10 12:47:12 +00:00
i = 0;
rem = 0;
while (size > 1024) {
2018-01-08 18:43:11 +00:00
rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */
size >>= 10;
2017-06-17 06:58:21 +00:00
++i;
}
2018-03-05 12:45:42 +00:00
if (i == 1) {
rem = (rem * 1000) >> 10;
rem /= 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 10) {
++size;
rem = 0;
}
} else
rem /= 10;
} else if (i == 2) {
rem = (rem * 1000) >> 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 100) {
++size;
rem = 0;
}
} else
rem /= 10;
} else if (i > 0) {
rem = (rem * 10000) >> 10;
if (rem % 10 >= 5) {
rem = (rem / 10) + 1;
if (rem == 1000) {
++size;
rem = 0;
}
} else
rem /= 10;
}
2018-11-07 16:53:15 +00:00
if (i > 0 && i < 6)
2018-03-05 12:45:42 +00:00
snprintf(size_buf, 12, "%lu.%0*lu%c", (ulong)size, i, (ulong)rem, U[i]);
else
snprintf(size_buf, 12, "%lu%c", (ulong)size, U[i]);
return size_buf;
}
2018-10-22 14:25:45 +00:00
static char *get_file_sym(mode_t mode)
{
static char ind[2] = "\0\0";
if (S_ISDIR(mode))
ind[0] = '/';
else if (S_ISLNK(mode))
ind[0] = '@';
else if (S_ISSOCK(mode))
ind[0] = '=';
else if (S_ISFIFO(mode))
ind[0] = '|';
else if (mode & 0100)
ind[0] = '*';
else
ind[0] = '\0';
return ind;
}
2018-10-22 14:25:45 +00:00
static void printent(struct entry *ent, int sel, uint namecols)
2017-09-02 08:39:34 +00:00
{
static char *pname;
pname = unescape(ent->name, namecols);
/* Directories are always shown on top */
resetdircolor(ent->mode);
printw("%s%s%s\n", CURSYM(sel), pname, get_file_sym(ent->mode));
2017-09-02 08:39:34 +00:00
}
2018-10-22 14:25:45 +00:00
static void printent_long(struct entry *ent, int sel, uint namecols)
{
static char buf[18], *pname;
2017-04-21 21:40:02 +00:00
2018-01-14 07:13:20 +00:00
strftime(buf, 18, "%F %R", localtime(&ent->t));
pname = unescape(ent->name, namecols);
2017-03-30 04:39:21 +00:00
/* Directories are always shown on top */
resetdircolor(ent->mode);
2017-06-15 14:04:56 +00:00
if (sel)
attron(A_REVERSE);
2018-01-07 14:38:59 +00:00
if (S_ISDIR(ent->mode)) {
if (cfg.blkorder)
2018-10-04 18:56:31 +00:00
printw("%s%-16.16s %8.8s/ %s/\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
2018-01-07 14:38:59 +00:00
else
printw("%s%-16.16s / %s/\n", CURSYM(sel), buf, pname);
} else if (S_ISLNK(ent->mode)) {
if (ent->flags & SYMLINK_TO_DIR)
printw("%s%-16.16s @/ %s@\n", CURSYM(sel), buf, pname);
else
printw("%s%-16.16s @ %s@\n", CURSYM(sel), buf, pname);
} else if (S_ISSOCK(ent->mode))
2018-01-07 14:38:59 +00:00
printw("%s%-16.16s = %s=\n", CURSYM(sel), buf, pname);
else if (S_ISFIFO(ent->mode))
printw("%s%-16.16s | %s|\n", CURSYM(sel), buf, pname);
else if (S_ISBLK(ent->mode))
printw("%s%-16.16s b %s\n", CURSYM(sel), buf, pname);
else if (S_ISCHR(ent->mode))
printw("%s%-16.16s c %s\n", CURSYM(sel), buf, pname);
else if (ent->mode & 0100) {
if (cfg.blkorder)
2018-10-04 18:56:31 +00:00
printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
else
2018-01-07 14:38:59 +00:00
printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->size), pname);
} else {
if (cfg.blkorder)
2018-10-04 18:56:31 +00:00
printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->blocks << BLK_SHIFT), pname);
2018-01-07 14:38:59 +00:00
else
printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->size), pname);
}
2017-06-15 14:04:56 +00:00
if (sel)
attroff(A_REVERSE);
}
static void (*printptr)(struct entry *ent, int sel, uint namecols) = &printent_long;
2018-10-22 14:25:45 +00:00
static char get_fileind(mode_t mode, char *desc)
{
2017-04-10 12:47:12 +00:00
static char c;
if (S_ISREG(mode)) {
c = '-';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "regular file", DESCRIPTOR_LEN);
2017-06-15 14:04:56 +00:00
if (mode & 0100)
2017-12-24 18:58:12 +00:00
xstrlcpy(desc + 12, ", executable", DESCRIPTOR_LEN - 12); /* Length of string "regular file" is 12 */
} else if (S_ISDIR(mode)) {
c = 'd';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "directory", DESCRIPTOR_LEN);
} else if (S_ISBLK(mode)) {
c = 'b';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "block special device", DESCRIPTOR_LEN);
} else if (S_ISCHR(mode)) {
c = 'c';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "character special device", DESCRIPTOR_LEN);
#ifdef S_ISFIFO
} else if (S_ISFIFO(mode)) {
c = 'p';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "FIFO", DESCRIPTOR_LEN);
#endif /* S_ISFIFO */
#ifdef S_ISLNK
} else if (S_ISLNK(mode)) {
c = 'l';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "symbolic link", DESCRIPTOR_LEN);
#endif /* S_ISLNK */
#ifdef S_ISSOCK
} else if (S_ISSOCK(mode)) {
c = 's';
2017-12-24 18:58:12 +00:00
xstrlcpy(desc, "socket", DESCRIPTOR_LEN);
#endif /* S_ISSOCK */
#ifdef S_ISDOOR
/* Solaris 2.6, etc. */
} else if (S_ISDOOR(mode)) {
c = 'D';
desc[0] = '\0';
#endif /* S_ISDOOR */
} else {
/* Unknown type -- possibly a regular file? */
c = '?';
desc[0] = '\0';
}
2017-06-15 14:04:56 +00:00
return c;
}
/* Convert a mode field into "ls -l" type perms field. */
2018-10-22 14:25:45 +00:00
static char *get_lsperms(mode_t mode, char *desc)
{
2017-08-22 17:04:17 +00:00
static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
2017-12-19 18:03:27 +00:00
static char bits[11] = {'\0'};
bits[0] = get_fileind(mode, desc);
2017-12-24 18:58:12 +00:00
xstrlcpy(&bits[1], rwx[(mode >> 6) & 7], 4);
xstrlcpy(&bits[4], rwx[(mode >> 3) & 7], 4);
xstrlcpy(&bits[7], rwx[(mode & 7)], 4);
if (mode & S_ISUID)
2017-06-15 14:04:56 +00:00
bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */
if (mode & S_ISGID)
2017-06-15 14:04:56 +00:00
bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */
if (mode & S_ISVTX)
2017-06-15 14:04:56 +00:00
bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */
2017-06-15 14:04:56 +00:00
return bits;
}
2017-05-15 12:52:00 +00:00
/*
* Gets only a single line (that's what we need
* for now) or shows full command output in pager.
*
* If pager is valid, returns NULL
*/
2018-10-22 14:25:45 +00:00
static char *get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, int pager)
{
2017-05-15 12:52:00 +00:00
pid_t pid;
2017-05-15 04:24:30 +00:00
int pipefd[2];
2017-06-15 14:04:56 +00:00
FILE *pf;
2017-07-02 15:02:38 +00:00
int tmp, flags;
2017-05-15 04:24:30 +00:00
char *ret = NULL;
if (pipe(pipefd) == -1)
2017-08-24 16:56:46 +00:00
errexit();
2017-05-15 04:24:30 +00:00
2017-07-02 15:02:38 +00:00
for (tmp = 0; tmp < 2; ++tmp) {
/* Get previous flags */
flags = fcntl(pipefd[tmp], F_GETFL, 0);
/* Set bit for non-blocking flag */
flags |= O_NONBLOCK;
/* Change flags on fd */
fcntl(pipefd[tmp], F_SETFL, flags);
}
2017-05-15 04:24:30 +00:00
pid = fork();
if (pid == 0) {
/* In child */
close(pipefd[0]);
dup2(pipefd[1], STDOUT_FILENO);
dup2(pipefd[1], STDERR_FILENO);
2017-07-02 15:02:38 +00:00
close(pipefd[1]);
2017-05-15 04:24:30 +00:00
execlp(file, file, arg1, arg2, NULL);
_exit(1);
}
/* In parent */
2017-07-02 15:02:38 +00:00
waitpid(pid, &tmp, 0);
2017-05-15 04:24:30 +00:00
close(pipefd[1]);
2017-07-02 15:02:38 +00:00
2017-05-15 12:52:00 +00:00
if (!pager) {
2017-06-15 14:04:56 +00:00
pf = fdopen(pipefd[0], "r");
if (pf) {
2017-05-15 12:52:00 +00:00
ret = fgets(buf, bytes, pf);
close(pipefd[0]);
}
return ret;
}
2017-05-15 12:52:00 +00:00
pid = fork();
if (pid == 0) {
/* Show in pager in child */
dup2(pipefd[0], STDIN_FILENO);
2017-05-15 04:24:30 +00:00
close(pipefd[0]);
2017-07-02 15:02:38 +00:00
execlp("less", "less", NULL);
2017-05-15 12:52:00 +00:00
_exit(1);
}
2017-05-15 12:52:00 +00:00
/* In parent */
2017-07-02 15:02:38 +00:00
waitpid(pid, &tmp, 0);
close(pipefd[0]);
2017-05-15 04:24:30 +00:00
2017-05-15 12:52:00 +00:00
return NULL;
}
2018-10-22 14:25:45 +00:00
static char *xgetpwuid(uid_t uid)
{
struct passwd *pwd = getpwuid(uid);
2018-07-08 16:02:26 +00:00
if (!pwd)
2018-05-18 20:06:17 +00:00
return utils[UNKNOWN];
return pwd->pw_name;
}
2018-10-22 14:25:45 +00:00
static char *xgetgrgid(gid_t gid)
{
struct group *grp = getgrgid(gid);
2018-07-08 16:02:26 +00:00
if (!grp)
2018-05-18 20:06:17 +00:00
return utils[UNKNOWN];
return grp->gr_name;
}
/*
* Follows the stat(1) output closely
*/
2018-10-22 14:25:45 +00:00
static int show_stats(char *fpath, char *fname, struct stat *sb)
{
2017-12-24 18:58:12 +00:00
char desc[DESCRIPTOR_LEN];
2017-12-19 18:03:27 +00:00
char *perms = get_lsperms(sb->st_mode, desc);
char *p, *begin = g_buf;
2018-10-05 02:14:17 +00:00
if (g_tmpfpath[0])
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
2018-10-05 02:14:17 +00:00
else {
printmsg(messages[STR_NOHOME_ID]);
return -1;
}
int fd = mkstemp(g_tmpfpath);
2017-06-15 14:04:56 +00:00
2017-04-22 10:20:36 +00:00
if (fd == -1)
return -1;
2018-01-04 12:40:59 +00:00
dprintf(fd, " File: '%s'", unescape(fname, 0));
/* Show file name or 'symlink' -> 'target' */
if (perms[0] == 'l') {
/* Note that MAX_CMD_LEN > PATH_MAX */
ssize_t len = readlink(fpath, g_buf, MAX_CMD_LEN);
if (len != -1) {
2018-08-17 00:25:00 +00:00
struct stat tgtsb;
if (!stat(fpath, &tgtsb) && S_ISDIR(tgtsb.st_mode))
g_buf[len++] = '/';
g_buf[len] = '\0';
2017-12-19 18:03:27 +00:00
/*
* We pass g_buf but unescape() operates on g_buf too!
* Read the API notes for information on how this works.
*/
dprintf(fd, " -> '%s'", unescape(g_buf, 0));
}
2018-01-04 12:40:59 +00:00
}
/* Show size, blocks, file type */
2017-10-09 02:17:02 +00:00
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
2017-04-22 14:56:22 +00:00
dprintf(fd, "\n Size: %-15lld Blocks: %-10lld IO Block: %-6d %s",
(long long)sb->st_size, (long long)sb->st_blocks, sb->st_blksize, desc);
2017-04-22 14:56:22 +00:00
#else
2017-04-22 10:20:36 +00:00
dprintf(fd, "\n Size: %-15ld Blocks: %-10ld IO Block: %-6ld %s",
2017-12-26 19:02:26 +00:00
sb->st_size, sb->st_blocks, (long)sb->st_blksize, desc);
#endif
/* Show containing device, inode, hardlink count */
2017-10-09 02:17:02 +00:00
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
2018-03-08 21:02:22 +00:00
snprintf(g_buf, 32, "%xh/%ud", sb->st_dev, sb->st_dev);
2017-04-22 14:56:22 +00:00
dprintf(fd, "\n Device: %-15s Inode: %-11llu Links: %-9hu",
g_buf, (unsigned long long)sb->st_ino, sb->st_nlink);
2017-04-22 14:56:22 +00:00
#else
2018-03-08 21:02:22 +00:00
snprintf(g_buf, 32, "%lxh/%lud", (ulong)sb->st_dev, (ulong)sb->st_dev);
2017-04-22 10:20:36 +00:00
dprintf(fd, "\n Device: %-15s Inode: %-11lu Links: %-9lu",
2017-12-26 19:02:26 +00:00
g_buf, sb->st_ino, (ulong)sb->st_nlink);
#endif
/* Show major, minor number for block or char device */
if (perms[0] == 'b' || perms[0] == 'c')
2017-08-22 17:04:17 +00:00
dprintf(fd, " Device type: %x,%x", major(sb->st_rdev), minor(sb->st_rdev));
/* Show permissions, owner, group */
2017-08-22 17:04:17 +00:00
dprintf(fd, "\n Access: 0%d%d%d/%s Uid: (%u/%s) Gid: (%u/%s)", (sb->st_mode >> 6) & 7, (sb->st_mode >> 3) & 7,
sb->st_mode & 7, perms, sb->st_uid, xgetpwuid(sb->st_uid), sb->st_gid, xgetgrgid(sb->st_gid));
/* Show last access time */
2018-01-14 06:41:46 +00:00
strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_atime));
dprintf(fd, "\n\n Access: %s", g_buf);
/* Show last modification time */
2018-01-14 06:41:46 +00:00
strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_mtime));
dprintf(fd, "\n Modify: %s", g_buf);
/* Show last status change time */
2018-01-14 06:41:46 +00:00
strftime(g_buf, 40, messages[STR_DATE_ID], localtime(&sb->st_ctime));
dprintf(fd, "\n Change: %s", g_buf);
if (S_ISREG(sb->st_mode)) {
/* Show file(1) output */
2017-05-15 12:52:00 +00:00
p = get_output(g_buf, MAX_CMD_LEN, "file", "-b", fpath, 0);
if (p) {
2017-04-22 10:20:36 +00:00
dprintf(fd, "\n\n ");
while (*p) {
if (*p == ',') {
*p = '\0';
2017-04-22 10:20:36 +00:00
dprintf(fd, " %s\n", begin);
begin = p + 1;
}
2017-06-17 06:58:21 +00:00
++p;
}
2017-04-22 10:20:36 +00:00
dprintf(fd, " %s", begin);
}
2017-05-15 12:52:00 +00:00
dprintf(fd, "\n\n");
} else
dprintf(fd, "\n\n\n");
2017-04-22 10:20:36 +00:00
2017-05-15 12:52:00 +00:00
close(fd);
2017-04-21 18:26:48 +00:00
exitcurses();
get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
unlink(g_tmpfpath);
refresh();
2017-05-15 12:52:00 +00:00
return 0;
}
2018-10-22 14:25:45 +00:00
static size_t get_fs_info(const char *path, bool type)
2017-08-11 20:12:55 +00:00
{
static struct statvfs svb;
if (statvfs(path, &svb) == -1)
2017-08-24 12:20:00 +00:00
return 0;
2018-04-25 19:26:45 +00:00
if (type == CAPACITY)
2017-12-26 19:58:01 +00:00
return svb.f_blocks << ffs(svb.f_bsize >> 1);
2018-11-03 10:20:01 +00:00
return svb.f_bavail << ffs(svb.f_frsize >> 1);
2017-08-11 20:12:55 +00:00
}
2018-10-22 14:25:45 +00:00
static int show_mediainfo(char *fpath, char *arg)
2017-04-21 18:26:48 +00:00
{
if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[cfg.metaviewer], NULL, 0))
2017-04-21 18:26:48 +00:00
return -1;
exitcurses();
get_output(NULL, 0, utils[cfg.metaviewer], fpath, arg, 1);
refresh();
2017-05-15 12:52:00 +00:00
return 0;
2017-04-21 18:26:48 +00:00
}
2018-10-22 14:25:45 +00:00
static int handle_archive(char *fpath, char *arg, char *dir)
2017-09-27 14:49:42 +00:00
{
2018-02-24 15:15:50 +00:00
if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[ATOOL], NULL, 0))
2017-09-27 14:49:42 +00:00
return -1;
if (arg[1] == 'x')
2018-02-24 15:15:50 +00:00
spawn(utils[ATOOL], arg, fpath, dir, F_NORMAL);
2017-09-27 14:49:42 +00:00
else {
exitcurses();
2018-02-24 15:15:50 +00:00
get_output(NULL, 0, utils[ATOOL], arg, fpath, 1);
refresh();
2017-09-27 14:49:42 +00:00
}
return 0;
}
2017-08-20 16:10:52 +00:00
/*
* The help string tokens (each line) start with a HEX value
* which indicates the number of spaces to print before the
* particular token. This method was chosen instead of a flat
* string because the number of bytes in help was increasing
* the binary size by around a hundred bytes. This would only
* have increased as we keep adding new options.
*/
2018-10-22 14:25:45 +00:00
static int show_help(char *path)
2017-04-03 17:03:46 +00:00
{
if (g_tmpfpath[0])
xstrlcpy(g_tmpfpath + g_tmpfplen - 1, "/.nnnXXXXXX", MAX_HOME_LEN - g_tmpfplen);
2018-10-05 02:14:17 +00:00
else {
printmsg(messages[STR_NOHOME_ID]);
return -1;
}
int i = 0, fd = mkstemp(g_tmpfpath);
2017-08-20 16:10:52 +00:00
char *start, *end;
static char helpstr[] = {
2018-11-11 10:52:58 +00:00
"0\n"
"1NAVIGATION\n"
"7↑, k, ^P Up PgUp, ^U Scroll up\n"
"7↓, j, ^N Down PgDn, ^D Scroll down\n"
"1Home, g, ^, ^A First entry ~ Go HOME\n"
"2End, G, $, ^E Last entry & Start dir\n"
"1←, Bksp, h, ^H Parent dir - Last visited dir\n"
"4→, ↵, l, ^M Open file/enter dir . Toggle show hidden\n"
"e/ Filter Ins, ^I Toggle nav-as-you-type\n"
"eb Pin current dir ^W Go to pinned dir\n"
2018-11-27 13:07:31 +00:00
"ed Toggle detail view ^T Next active context\n"
2018-11-26 21:49:37 +00:00
"a`, ^/ Leader key LeaderN Go to context N\n"
2018-11-11 21:34:17 +00:00
"cEsc Exit prompt ^L Redraw, clear prompt\n"
2018-11-11 10:52:58 +00:00
"d^G Quit and cd q Quit context\n"
2018-11-23 05:14:39 +00:00
"aQ, ^Q Quit ? Help, config\n"
2018-11-11 10:52:58 +00:00
"1FILES\n"
"d^O Open with... n Create new\n"
2018-11-27 12:59:46 +00:00
"eD File details ^R Rename entry\n"
"a⎵, ^K Copy entry path r Open dir in vidir\n"
2018-11-23 02:14:32 +00:00
"aY, ^Y Toggle selection y List selection\n"
2018-11-17 03:01:47 +00:00
"eP Copy selection X Delete selection\n"
"eV Move selection ^X Delete entry\n"
2018-11-11 10:52:58 +00:00
"ef Archive entry F List archive\n"
"d^F Extract archive m, M Brief/full media info\n"
"ee Edit in EDITOR p Open in PAGER\n"
"1ORDER\n"
"d^J Toggle du mode S Toggle apparent size\n"
"es Toggle sort by size t Toggle sort by mtime\n"
"1MISC\n"
"eo Launch GUI app !, ^] Spawn SHELL in dir\n"
"eR Run custom script L Lock terminal\n"};
2017-06-15 14:04:56 +00:00
if (fd == -1)
return -1;
2017-08-20 16:10:52 +00:00
start = end = helpstr;
while (*end) {
while (*end != '\n')
++end;
if (start == end) {
++end;
continue;
}
dprintf(fd, "%*c%.*s", xchartohex(*start), ' ', (int)(end - start), start + 1);
start = ++end;
}
2018-11-11 10:52:58 +00:00
dprintf(fd, "\nVOLUME: %s of ", coolsize(get_fs_info(path, FREE)));
2018-04-25 19:26:45 +00:00
dprintf(fd, "%s free\n\n", coolsize(get_fs_info(path, CAPACITY)));
2017-06-11 13:54:02 +00:00
if (getenv("NNN_BMS")) {
dprintf(fd, "BOOKMARKS\n");
2017-08-24 04:46:35 +00:00
for (; i < BM_MAX; ++i)
2017-06-11 13:54:02 +00:00
if (bookmark[i].key)
2018-11-12 17:59:29 +00:00
dprintf(fd, " %c: %s\n", (char)bookmark[i].key, bookmark[i].loc);
2017-06-11 13:54:02 +00:00
else
break;
dprintf(fd, "\n");
}
if (editor)
dprintf(fd, "NNN_USE_EDITOR: %s\n", editor);
if (idletimeout)
dprintf(fd, "NNN_IDLE_TIMEOUT: %d secs\n", idletimeout);
if (copier)
dprintf(fd, "NNN_COPIER: %s\n", copier);
else if (g_cppath[0])
dprintf(fd, "copy file: %s\n", g_cppath);
2018-03-31 21:54:55 +00:00
if (getenv("NNN_SCRIPT"))
dprintf(fd, "NNN_SCRIPT: %s\n", getenv("NNN_SCRIPT"));
2018-06-17 16:17:19 +00:00
if (getenv("NNN_MULTISCRIPT"))
dprintf(fd, "NNN_MULTISCRIPT: 1\n");
if (getenv("NNN_SHOW_HIDDEN"))
dprintf(fd, "NNN_SHOW_HIDDEN: 1\n");
if (getenv("NNN_NO_AUTOSELECT"))
dprintf(fd, "NNN_NO_AUTOSELECT: 1\n");
if (getenv("DISABLE_FILE_OPEN_ON_NAV"))
dprintf(fd, "DISABLE_FILE_OPEN_ON_NAV: 1\n");
2018-04-14 04:51:39 +00:00
dprintf(fd, "\n");
2018-03-31 21:54:55 +00:00
if (getenv("PWD"))
dprintf(fd, "PWD: %s\n", getenv("PWD"));
if (getenv("SHELL"))
dprintf(fd, "SHELL: %s\n", getenv("SHELL"));
if (getenv("SHLVL"))
dprintf(fd, "SHLVL: %s\n", getenv("SHLVL"));
2018-04-08 00:43:33 +00:00
if (getenv("VISUAL"))
dprintf(fd, "VISUAL: %s\n", getenv("VISUAL"));
else if (getenv("EDITOR"))
2018-03-31 21:54:55 +00:00
dprintf(fd, "EDITOR: %s\n", getenv("EDITOR"));
if (getenv("PAGER"))
dprintf(fd, "PAGER: %s\n", getenv("PAGER"));
2017-08-11 20:12:55 +00:00
2017-09-08 19:40:21 +00:00
dprintf(fd, "\nVersion: %s\n%s\n", VERSION, GENERAL_INFO);
2017-06-11 13:54:02 +00:00
close(fd);
exitcurses();
get_output(NULL, 0, "cat", g_tmpfpath, NULL, 1);
unlink(g_tmpfpath);
refresh();
2017-06-11 13:54:02 +00:00
return 0;
2017-04-03 17:03:46 +00:00
}
2018-10-22 14:25:45 +00:00
static int sum_bsizes(const char *fpath, const struct stat *sb,
2017-06-15 14:04:56 +00:00
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_blocks && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_blocks;
2017-06-22 04:09:17 +00:00
++num_files;
return 0;
}
2018-10-22 14:25:45 +00:00
static int sum_sizes(const char *fpath, const struct stat *sb,
2018-10-04 18:56:31 +00:00
int typeflag, struct FTW *ftwbuf)
{
if (sb->st_size && (typeflag == FTW_F || typeflag == FTW_D))
ent_blocks += sb->st_size;
++num_files;
return 0;
}
2018-10-27 18:50:39 +00:00
static void dentfree(struct entry *dents)
{
free(pnamebuf);
free(dents);
}
2018-10-22 14:25:45 +00:00
static int dentfill(char *path, struct entry **dents,
2014-10-22 15:21:50 +00:00
int (*filter)(regex_t *, char *), regex_t *re)
{
2017-04-10 12:47:12 +00:00
static DIR *dirp;
static struct dirent *dp;
static char *namep, *pnb;
2017-07-05 16:38:13 +00:00
static struct entry *dentp;
static size_t off, namebuflen = NAMEBUF_INCR;
static ulong num_saved;
static int fd, n, count;
static struct stat sb_path, sb;
off = 0;
2017-07-05 16:38:13 +00:00
dirp = opendir(path);
if (dirp == NULL)
return 0;
fd = dirfd(dirp);
2017-06-15 14:04:56 +00:00
n = 0;
2017-06-22 04:09:17 +00:00
if (cfg.blkorder) {
num_files = 0;
dir_blocks = 0;
2017-08-22 16:01:06 +00:00
if (fstatat(fd, ".", &sb_path, 0) == -1) {
printwarn();
return 0;
}
2017-06-22 04:09:17 +00:00
}
2014-10-22 15:21:50 +00:00
while ((dp = readdir(dirp)) != NULL) {
2017-07-05 16:38:13 +00:00
namep = dp->d_name;
2017-04-11 13:46:06 +00:00
2017-07-05 16:38:13 +00:00
if (filter(re, namep) == 0) {
if (!cfg.blkorder)
continue;
2017-07-05 16:38:13 +00:00
/* Skip self and parent */
2017-08-22 17:04:17 +00:00
if ((namep[0] == '.' && (namep[1] == '\0' || (namep[1] == '.' && namep[2] == '\0'))))
2017-07-05 16:38:13 +00:00
continue;
2017-10-15 23:54:56 +00:00
if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1)
2017-06-22 04:09:17 +00:00
continue;
if (S_ISDIR(sb.st_mode)) {
2017-08-22 16:01:06 +00:00
if (sb_path.st_dev == sb.st_dev) {
ent_blocks = 0;
mkpath(path, namep, g_buf, PATH_MAX);
2018-10-04 18:56:31 +00:00
if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_NFTWFAIL_ID]);
2018-10-04 18:56:31 +00:00
dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks);
2017-08-22 16:01:06 +00:00
} else
dir_blocks += ent_blocks;
}
2017-06-22 04:09:17 +00:00
} else {
2018-10-04 18:56:31 +00:00
dir_blocks += (cfg.apparentsz ? sb.st_size : sb.st_blocks);
2017-06-22 04:09:17 +00:00
++num_files;
}
continue;
}
2017-04-11 13:46:06 +00:00
2017-07-05 16:38:13 +00:00
/* Skip self and parent */
if ((namep[0] == '.' && (namep[1] == '\0' ||
(namep[1] == '.' && namep[2] == '\0'))))
continue;
if (fstatat(fd, namep, &sb, AT_SYMLINK_NOFOLLOW) == -1) {
DPRINTF_S(namep);
continue;
2017-06-22 04:09:17 +00:00
}
if (n == total_dents) {
total_dents += ENTRY_INCR;
2018-01-04 12:16:06 +00:00
*dents = xrealloc(*dents, total_dents * sizeof(**dents));
if (*dents == NULL) {
2018-10-27 13:43:12 +00:00
free(pnamebuf);
2017-08-24 16:56:46 +00:00
errexit();
}
DPRINTF_P(*dents);
}
/* If there's not enough bytes left to copy a file name of length NAME_MAX, re-allocate */
if (namebuflen - off < NAME_MAX + 1) {
namebuflen += NAMEBUF_INCR;
pnb = pnamebuf;
2018-01-04 12:16:06 +00:00
pnamebuf = (char *)xrealloc(pnamebuf, namebuflen);
if (pnamebuf == NULL) {
free(*dents);
errexit();
}
DPRINTF_P(pnamebuf);
/* realloc() may result in memory move, we must re-adjust if that happens */
2017-12-20 16:50:28 +00:00
if (pnb != pnamebuf) {
dentp = *dents;
dentp->name = pnamebuf;
for (count = 1; count < n; ++dentp, ++count)
/* Current filename starts at last filename start + length */
(dentp + 1)->name = (char *)((size_t)dentp->name + dentp->nlen);
}
2017-04-11 13:46:06 +00:00
}
dentp = *dents + n;
/* Copy file name */
2017-12-20 16:50:28 +00:00
dentp->name = (char *)((size_t)pnamebuf + off);
dentp->nlen = xstrlcpy(dentp->name, namep, NAME_MAX + 1);
off += dentp->nlen;
/* Copy other fields */
2017-07-05 16:38:13 +00:00
dentp->mode = sb.st_mode;
dentp->t = sb.st_mtime;
dentp->size = sb.st_size;
if (cfg.blkorder) {
if (S_ISDIR(sb.st_mode)) {
ent_blocks = 0;
2017-08-22 16:01:06 +00:00
num_saved = num_files + 1;
2017-07-05 16:38:13 +00:00
mkpath(path, namep, g_buf, PATH_MAX);
2017-06-22 12:50:48 +00:00
2018-10-04 18:56:31 +00:00
if (nftw(g_buf, nftw_fn, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_NFTWFAIL_ID]);
2018-10-04 18:56:31 +00:00
dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
} else
2017-07-05 16:38:13 +00:00
dentp->blocks = ent_blocks;
2017-08-22 16:01:06 +00:00
if (sb_path.st_dev == sb.st_dev)
dir_blocks += dentp->blocks;
else
num_files = num_saved;
2017-06-22 04:09:17 +00:00
} else {
2018-10-04 18:56:31 +00:00
dentp->blocks = (cfg.apparentsz ? sb.st_size : sb.st_blocks);
2017-08-22 16:01:06 +00:00
dir_blocks += dentp->blocks;
2017-06-22 04:09:17 +00:00
++num_files;
}
}
/* Flag if this is a symlink to a dir */
if (S_ISLNK(sb.st_mode))
if (!fstatat(fd, namep, &sb, 0)) {
if (S_ISDIR(sb.st_mode))
dentp->flags |= SYMLINK_TO_DIR;
else
dentp->flags &= ~SYMLINK_TO_DIR;
}
2017-06-17 06:58:21 +00:00
++n;
2014-10-22 15:21:50 +00:00
}
/* Should never be null */
if (closedir(dirp) == -1) {
2018-10-27 18:50:39 +00:00
dentfree(*dents);
2017-08-24 16:56:46 +00:00
errexit();
}
2014-10-22 15:21:50 +00:00
return n;
}
/* Return the position of the matching entry or 0 otherwise */
2018-10-22 14:25:45 +00:00
static int dentfind(struct entry *dents, const char *fname, int n)
{
2017-04-10 12:47:12 +00:00
static int i;
2017-12-24 17:53:52 +00:00
if (!fname)
2017-12-24 15:33:23 +00:00
return 0;
2017-12-24 17:53:52 +00:00
DPRINTF_S(fname);
2017-04-02 08:48:54 +00:00
2017-06-17 06:58:21 +00:00
for (i = 0; i < n; ++i)
if (strcmp(fname, dents[i].name) == 0)
return i;
2017-04-02 08:48:54 +00:00
return 0;
}
2018-11-09 09:26:11 +00:00
static int populate(char *path, char *lastname, char *fltr)
2014-10-07 06:05:30 +00:00
{
2017-04-10 12:47:12 +00:00
static regex_t re;
2014-10-22 15:33:59 +00:00
2017-08-23 12:43:22 +00:00
/* Can fail when permissions change while browsing.
* It's assumed that path IS a directory when we are here.
*/
if (access(path, R_OK) == -1)
return -1;
2014-10-07 06:05:30 +00:00
/* Search filter */
if (setfilter(&re, fltr) != 0)
return -1;
2017-06-22 12:53:44 +00:00
if (cfg.blkorder) {
2018-01-14 04:48:53 +00:00
printmsg("calculating...");
2017-06-23 12:22:42 +00:00
refresh();
2017-06-22 12:53:44 +00:00
}
#ifdef DEBUGMODE
struct timespec ts1, ts2;
2017-12-27 20:17:44 +00:00
clock_gettime(CLOCK_REALTIME, &ts1); /* Use CLOCK_MONOTONIC on FreeBSD */
#endif
ndents = dentfill(path, &dents, visible, &re);
2018-03-18 22:12:56 +00:00
regfree(&re);
if (!ndents)
2018-03-18 22:24:19 +00:00
return 0;
2014-10-07 06:05:30 +00:00
qsort(dents, ndents, sizeof(*dents), entrycmp);
2014-10-07 06:05:30 +00:00
#ifdef DEBUGMODE
clock_gettime(CLOCK_REALTIME, &ts2);
DPRINTF_U(ts2.tv_nsec - ts1.tv_nsec);
#endif
/* Find cur from history */
2018-11-09 09:26:11 +00:00
cur = dentfind(dents, lastname, ndents);
return 0;
}
2014-10-07 11:23:44 +00:00
2018-10-22 14:25:45 +00:00
static void redraw(char *path)
{
2018-04-25 18:53:31 +00:00
static char buf[NAME_MAX + 65] __attribute__ ((aligned));
2017-04-21 21:40:02 +00:00
static size_t ncols;
2017-12-19 18:03:27 +00:00
static int nlines, i;
static bool mode_changed;
2014-10-07 06:05:30 +00:00
mode_changed = FALSE;
nlines = MIN(LINES - 4, ndents);
2018-11-09 14:37:47 +00:00
/* Clear screen */
erase();
if (cfg.copymode)
if (g_crc != crc8fast((uchar *)dents, ndents * sizeof(struct entry))) {
cfg.copymode = 0;
DPRINTF_S("copymode off");
}
2014-10-07 06:05:30 +00:00
2018-11-08 12:42:55 +00:00
/* Fail redraw if < than 11 columns, context info prints 10 chars */
if (COLS < 11) {
2018-01-14 04:48:53 +00:00
printmsg("too few columns!");
return;
}
/* Strip trailing slashes */
for (i = strlen(path) - 1; i > 0; --i)
if (path[i] == '/')
path[i] = '\0';
else
break;
DPRINTF_D(cur);
DPRINTF_S(path);
if (!realpath(path, g_buf)) {
2017-08-20 20:48:14 +00:00
printwarn();
return;
}
2017-04-21 21:40:02 +00:00
ncols = COLS;
if (ncols > PATH_MAX)
ncols = PATH_MAX;
2018-11-08 12:42:55 +00:00
printw("[");
for (i = 0; i < MAX_CTX; ++i) {
/* Print current context in reverse */
if (cfg.curctx == i) {
2018-11-08 12:42:55 +00:00
attron(A_REVERSE);
printw("%d", i + 1);
attroff(A_REVERSE);
printw(" ");
} else if (g_ctx[i].c_cfg.ctxactive) {
attron(A_UNDERLINE);
printw("%d", i + 1);
attroff(A_UNDERLINE);
printw(" ");
} else
printw("%d ", i + 1);
}
printw("\b] "); /* 10 chars printed in total for contexts - "[1 2 3 4] " */
2018-08-26 13:09:05 +00:00
attron(A_UNDERLINE);
/* No text wrapping in cwd line */
2018-11-08 12:42:55 +00:00
g_buf[ncols - 11] = '\0';
2018-08-26 12:26:08 +00:00
printw("%s\n\n", g_buf);
2018-08-26 13:09:05 +00:00
attroff(A_UNDERLINE);
/* Fallback to light mode if less than 35 columns */
if (ncols < 35 && cfg.showdetail) {
cfg.showdetail ^= 1;
printptr = &printent;
mode_changed = TRUE;
}
/* Calculate the number of cols available to print entry name */
if (cfg.showdetail)
ncols -= 32;
else
ncols -= 5;
if (cfg.showcolor) {
2017-06-30 12:20:38 +00:00
attron(COLOR_PAIR(1) | A_BOLD);
cfg.dircolor = 1;
}
/* Print listing */
2017-03-29 14:12:23 +00:00
if (cur < (nlines >> 1)) {
2017-06-17 06:58:21 +00:00
for (i = 0; i < nlines; ++i)
printptr(&dents[i], i == cur, ncols);
2017-03-29 14:12:23 +00:00
} else if (cur >= ndents - (nlines >> 1)) {
2017-06-17 06:58:21 +00:00
for (i = ndents - nlines; i < ndents; ++i)
printptr(&dents[i], i == cur, ncols);
} else {
static int odd;
2017-06-15 14:04:56 +00:00
odd = ISODD(nlines);
2017-03-29 14:12:23 +00:00
nlines >>= 1;
2017-06-17 06:58:21 +00:00
for (i = cur - nlines; i < cur + nlines + odd; ++i)
printptr(&dents[i], i == cur, ncols);
}
2017-06-30 12:20:38 +00:00
/* Must reset e.g. no files in dir */
if (cfg.dircolor) {
attroff(COLOR_PAIR(1) | A_BOLD);
cfg.dircolor = 0;
}
2017-06-20 14:58:53 +00:00
if (cfg.showdetail) {
2017-03-30 13:24:18 +00:00
if (ndents) {
2017-07-02 10:42:30 +00:00
static char sort[9];
2017-04-01 12:31:54 +00:00
2017-06-20 14:58:53 +00:00
if (cfg.mtimeorder)
2017-12-24 18:58:12 +00:00
xstrlcpy(sort, "by time ", 9);
2017-06-20 14:58:53 +00:00
else if (cfg.sizeorder)
2017-12-24 18:58:12 +00:00
xstrlcpy(sort, "by size ", 9);
2017-04-01 12:31:54 +00:00
else
sort[0] = '\0';
2017-03-31 14:02:59 +00:00
2017-09-27 12:07:36 +00:00
/* We need to show filename as it may be truncated in directory listing */
if (!cfg.blkorder)
2018-04-25 18:53:31 +00:00
snprintf(buf, NAME_MAX + 65, "%d/%d %s[%s%s]",
2018-11-06 23:56:52 +00:00
cur + 1, ndents, sort, unescape(dents[cur].name, NAME_MAX), get_file_sym(dents[cur].mode));
else {
2018-10-08 01:06:55 +00:00
i = snprintf(buf, 64, "%d/%d ", cur + 1, ndents);
if (cfg.apparentsz)
2018-10-19 10:33:16 +00:00
buf[i++] = 'a';
2018-10-08 01:06:55 +00:00
else
2018-10-19 10:33:16 +00:00
buf[i++] = 'd';
2018-10-08 01:06:55 +00:00
2018-10-19 10:33:16 +00:00
i += snprintf(buf + i, 64, "u: %s (%lu files) ", coolsize(dir_blocks << BLK_SHIFT), num_files);
2018-04-25 18:53:31 +00:00
snprintf(buf + i, NAME_MAX, "vol: %s free [%s%s]",
2018-11-06 23:56:52 +00:00
coolsize(get_fs_info(path, FREE)), unescape(dents[cur].name, NAME_MAX), get_file_sym(dents[cur].mode));
}
2017-12-19 18:03:27 +00:00
printmsg(buf);
2017-03-30 13:24:18 +00:00
} else
printmsg("0 items");
}
if (mode_changed) {
cfg.showdetail ^= 1;
printptr = &printent_long;
}
}
2018-11-09 09:58:54 +00:00
static void browse(char *ipath)
{
2017-12-30 08:24:49 +00:00
static char newpath[PATH_MAX] __attribute__ ((aligned));
static char mark[PATH_MAX] __attribute__ ((aligned));
2018-11-09 14:37:47 +00:00
char *path, *lastdir, *lastname, *hfltr;
2017-12-21 19:28:02 +00:00
char *dir, *tmp, *run = NULL, *env = NULL;
struct stat sb;
2018-11-06 15:16:45 +00:00
int r, fd, presel, ncp = 0, copystartid = 0, copyendid = 0;
enum action sel = SEL_RUNARG + 1;
bool dir_changed = FALSE;
2018-11-08 12:42:55 +00:00
/* setup first context */
2018-11-09 09:26:11 +00:00
xstrlcpy(g_ctx[0].c_path, ipath, PATH_MAX); /* current directory */
path = g_ctx[0].c_path;
xstrlcpy(g_ctx[0].c_init, ipath, PATH_MAX); /* start directory */
2018-11-09 09:58:54 +00:00
g_ctx[0].c_last[0] = g_ctx[0].c_name[0] = newpath[0] = mark[0] = '\0';
2018-11-09 09:26:11 +00:00
lastdir = g_ctx[0].c_last; /* last visited directory */
lastname = g_ctx[0].c_name; /* last visited filename */
g_ctx[0].c_cfg = cfg; /* current configuration */
2018-11-09 09:58:54 +00:00
initfilter(cfg.showhidden, g_ctx[0].c_fltr); /* Show hidden filter */
2018-11-09 14:37:47 +00:00
hfltr = g_ctx[0].c_fltr;
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
else
presel = 0;
2018-01-04 12:16:06 +00:00
dents = xrealloc(dents, total_dents * sizeof(struct entry));
if (dents == NULL)
errexit();
DPRINTF_P(dents);
/* Allocate buffer to hold names */
2018-01-04 12:16:06 +00:00
pnamebuf = (char *)xrealloc(pnamebuf, NAMEBUF_INCR);
if (pnamebuf == NULL) {
free(dents);
errexit();
}
DPRINTF_P(pnamebuf);
begin:
2017-08-20 20:48:14 +00:00
#ifdef LINUX_INOTIFY
2018-11-09 19:26:21 +00:00
if ((presel == FILTER || dir_changed) && inotify_wd >= 0) {
2017-08-20 20:48:14 +00:00
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
dir_changed = FALSE;
}
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
2018-11-09 19:26:21 +00:00
if ((presel == FILTER || dir_changed) && event_fd >= 0) {
2017-08-21 16:33:26 +00:00
close(event_fd);
event_fd = -1;
dir_changed = FALSE;
}
2017-08-20 20:48:14 +00:00
#endif
2018-11-09 14:37:47 +00:00
if (populate(path, lastname, hfltr) == -1) {
printwarn();
goto nochange;
}
2017-08-20 20:48:14 +00:00
#ifdef LINUX_INOTIFY
if (inotify_wd == -1)
inotify_wd = inotify_add_watch(inotify_fd, path, INOTIFY_MASK);
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
if (event_fd == -1) {
#if defined(O_EVTONLY)
event_fd = open(path, O_EVTONLY);
#else
event_fd = open(path, O_RDONLY);
#endif
if (event_fd >= 0)
2017-10-15 23:54:56 +00:00
EV_SET(&events_to_monitor[0], event_fd, EVFILT_VNODE, EV_ADD | EV_CLEAR, KQUEUE_FFLAGS, 0, path);
}
2017-08-20 20:48:14 +00:00
#endif
for (;;) {
redraw(path);
2014-10-07 06:05:30 +00:00
nochange:
2017-04-25 19:12:07 +00:00
/* Exit if parent has exited */
if (getppid() == 1)
_exit(0);
2017-04-28 23:02:47 +00:00
sel = nextsel(&run, &env, &presel);
2017-04-28 23:02:47 +00:00
switch (sel) {
case SEL_BACK:
2014-10-10 10:14:55 +00:00
/* There is no going back */
2017-07-05 16:38:13 +00:00
if (istopdir(path)) {
2018-05-10 11:53:10 +00:00
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
2014-10-07 06:05:30 +00:00
goto nochange;
2017-04-01 21:20:56 +00:00
}
dir = xdirname(path);
if (access(dir, R_OK) == -1) {
printwarn();
goto nochange;
}
2017-04-20 16:27:24 +00:00
/* Save history */
2018-11-09 09:26:11 +00:00
xstrlcpy(lastname, xbasename(path), NAME_MAX + 1);
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
2017-04-29 05:32:12 +00:00
xstrlcpy(path, dir, PATH_MAX);
2018-11-09 19:26:21 +00:00
setdirwatch();
goto begin;
case SEL_NAV_IN: // fallthrough
case SEL_GOIN:
2014-10-07 14:07:56 +00:00
/* Cannot descend in empty directories */
if (!ndents)
2017-04-28 23:02:47 +00:00
goto begin;
2014-10-07 14:07:56 +00:00
2017-04-29 05:32:12 +00:00
mkpath(path, dents[cur].name, newpath, PATH_MAX);
DPRINTF_S(newpath);
/* Get path info */
fd = open(newpath, O_RDONLY | O_NONBLOCK);
if (fd == -1) {
printwarn();
goto nochange;
}
2017-12-12 21:02:45 +00:00
if (fstat(fd, &sb) == -1) {
printwarn();
close(fd);
goto nochange;
}
close(fd);
DPRINTF_U(sb.st_mode);
2014-10-22 15:55:26 +00:00
2014-10-22 15:50:30 +00:00
switch (sb.st_mode & S_IFMT) {
case S_IFDIR:
if (access(newpath, R_OK) == -1) {
printwarn();
goto nochange;
}
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
2017-04-29 05:32:12 +00:00
xstrlcpy(path, newpath, PATH_MAX);
2018-11-09 09:26:11 +00:00
lastname[0] = '\0';
2018-11-09 19:26:21 +00:00
setdirwatch();
goto begin;
2014-10-22 15:50:30 +00:00
case S_IFREG:
2017-04-01 07:26:25 +00:00
{
/* If open file is disabled on right arrow or `l`, return */
if (cfg.nonavopen && sel == SEL_NAV_IN)
continue;
/* If NNN_USE_EDITOR is set, open text in EDITOR */
if (editor) {
2017-07-02 10:42:30 +00:00
if (getmime(dents[cur].name)) {
spawn(editor, editor_arg, newpath, path, F_NORMAL);
continue;
}
2017-06-15 14:04:56 +00:00
/* Recognize and open plain
* text files with vi
*/
2017-08-22 17:04:17 +00:00
if (get_output(g_buf, MAX_CMD_LEN, "file", "-bi", newpath, 0) == NULL)
continue;
if (strstr(g_buf, "text/") == g_buf) {
spawn(editor, editor_arg, newpath, path, F_NORMAL);
continue;
}
2014-10-07 06:05:30 +00:00
}
/* Invoke desktop opener as last resort */
spawn(utils[OPENER], newpath, NULL, NULL, F_NOWAIT | F_NOTRACE);
continue;
2017-04-01 07:26:25 +00:00
}
2014-10-22 15:50:30 +00:00
default:
2018-01-14 04:48:53 +00:00
printmsg("unsupported file");
2014-10-22 15:50:30 +00:00
goto nochange;
2014-10-07 06:05:30 +00:00
}
case SEL_NEXT:
if (cur < ndents - 1)
2017-06-17 06:58:21 +00:00
++cur;
2017-03-29 10:29:56 +00:00
else if (ndents)
/* Roll over, set cursor to first entry */
cur = 0;
break;
case SEL_PREV:
if (cur > 0)
2017-06-17 06:58:21 +00:00
--cur;
2017-03-29 10:29:56 +00:00
else if (ndents)
/* Roll over, set cursor to last entry */
cur = ndents - 1;
break;
case SEL_PGDN:
if (cur < ndents - 1)
cur += MIN((LINES - 4) / 2, ndents - 1 - cur);
break;
case SEL_PGUP:
if (cur > 0)
cur -= MIN((LINES - 4) / 2, cur);
break;
case SEL_HOME:
cur = 0;
break;
case SEL_END:
cur = ndents - 1;
break;
case SEL_CDHOME:
2017-12-21 19:28:02 +00:00
dir = getenv("HOME");
if (dir == NULL) {
clearprompt();
goto nochange;
2017-07-02 18:58:09 +00:00
} // fallthrough
case SEL_CDBEGIN:
2017-12-21 19:28:02 +00:00
if (sel == SEL_CDBEGIN)
dir = ipath;
2018-07-08 16:02:26 +00:00
if (!xdiraccess(dir))
goto nochange;
2018-07-08 16:02:26 +00:00
if (strcmp(path, dir) == 0)
break;
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
2017-12-21 19:28:02 +00:00
xstrlcpy(path, dir, PATH_MAX);
2018-11-09 09:26:11 +00:00
lastname[0] = '\0';
DPRINTF_S(path);
2018-11-09 19:26:21 +00:00
setdirwatch();
goto begin;
case SEL_CDLAST: // fallthrough
case SEL_VISIT:
if (sel == SEL_VISIT) {
if (strcmp(mark, path) == 0)
break;
tmp = mark;
} else
tmp = lastdir;
if (tmp[0] == '\0') {
2018-11-08 14:46:08 +00:00
printmsg("not set");
2017-07-02 18:58:09 +00:00
goto nochange;
}
2017-08-23 12:43:22 +00:00
if (!xdiraccess(tmp))
goto nochange;
xstrlcpy(newpath, tmp, PATH_MAX);
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
xstrlcpy(path, newpath, PATH_MAX);
2018-11-09 09:26:11 +00:00
lastname[0] = '\0';
DPRINTF_S(path);
2018-11-09 19:26:21 +00:00
setdirwatch();
2017-06-11 04:15:50 +00:00
goto begin;
2018-11-11 21:34:17 +00:00
case SEL_LEADER:
2018-11-26 21:49:37 +00:00
fd = get_input(NULL); // fallthrough
case SEL_CYCLE:
if (sel == SEL_CYCLE)
fd = '>';
switch (fd) {
case 'q': // fallthrough
case '~': // fallthrough
case '-': // fallthrough
case '&':
2018-11-12 17:59:29 +00:00
presel = fd;
goto nochange;
case '>':
case '.':
case '<':
case ',':
r = cfg.curctx;
if (fd == '>' || fd == '.')
do
(r == MAX_CTX - 1) ? (r = 0) : ++r;
while (!g_ctx[r].c_cfg.ctxactive);
else
do
(r == 0) ? (r = MAX_CTX - 1) : --r;
while (!g_ctx[r].c_cfg.ctxactive); // fallthrough
fd = '1' + r; // fallthrough
case '1': // fallthrough
case '2': // fallthrough
case '3': // fallthrough
case '4':
r = fd - '1'; /* Save the next context id */
if (cfg.curctx == r)
continue;
2018-11-08 12:42:55 +00:00
g_crc = 0;
2018-11-08 12:42:55 +00:00
/* Save current context */
xstrlcpy(g_ctx[cfg.curctx].c_name, dents[cur].name, NAME_MAX + 1);
g_ctx[cfg.curctx].c_cfg = cfg;
2018-11-09 09:26:11 +00:00
if (g_ctx[r].c_cfg.ctxactive) /* Switch to saved context */
cfg = g_ctx[r].c_cfg;
else { /* Setup a new context from current context */
g_ctx[r].c_cfg.ctxactive = 1;
xstrlcpy(g_ctx[r].c_path, path, PATH_MAX);
xstrlcpy(g_ctx[r].c_init, path, PATH_MAX);
g_ctx[r].c_last[0] = '\0';
xstrlcpy(g_ctx[r].c_name, dents[cur].name, NAME_MAX + 1);
g_ctx[r].c_cfg = cfg;
xstrlcpy(g_ctx[r].c_fltr, hfltr, DOT_FILTER_LEN);
2018-11-08 12:42:55 +00:00
}
/* Reset the pointers */
path = g_ctx[r].c_path;
ipath = g_ctx[r].c_init;
lastdir = g_ctx[r].c_last;
lastname = g_ctx[r].c_name;
hfltr = g_ctx[r].c_fltr;
cfg.curctx = r;
setdirwatch();
goto begin;
}
2018-11-12 17:59:29 +00:00
if (get_bm_loc(fd, newpath) == NULL) {
printmsg(messages[STR_INVBM_KEY]);
goto nochange;
}
2017-06-11 04:15:50 +00:00
if (!xdiraccess(newpath))
goto nochange;
2017-07-02 10:42:30 +00:00
if (strcmp(path, newpath) == 0)
2017-07-02 10:42:30 +00:00
break;
2017-06-11 04:15:50 +00:00
2018-11-09 09:26:11 +00:00
lastname[0] = '\0';
2017-06-11 04:15:50 +00:00
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
/* Save the newly opted dir in path */
xstrlcpy(path, newpath, PATH_MAX);
DPRINTF_S(path);
2018-11-09 19:26:21 +00:00
setdirwatch();
goto begin;
2017-09-01 14:27:36 +00:00
case SEL_PIN:
xstrlcpy(mark, path, PATH_MAX);
printmsg(mark);
goto nochange;
2017-12-12 20:16:50 +00:00
case SEL_FLTR:
presel = filterentries(path);
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
2017-12-12 20:16:50 +00:00
goto nochange;
case SEL_MFLTR:
cfg.filtermode ^= 1;
2018-11-09 19:26:21 +00:00
if (cfg.filtermode) {
2017-12-12 20:16:50 +00:00
presel = FILTER;
2018-11-09 19:26:21 +00:00
goto nochange;
}
2018-11-09 19:26:21 +00:00
/* Save current */
if (ndents)
copycurname();
dir_changed = TRUE;
/* Start watching the directory */
goto begin;
case SEL_TOGGLEDOT:
2017-06-20 14:58:53 +00:00
cfg.showhidden ^= 1;
2018-11-09 14:37:47 +00:00
initfilter(cfg.showhidden, hfltr);
2018-11-09 09:26:11 +00:00
/* Save current */
if (ndents)
copycurname();
goto begin;
case SEL_DETAIL:
2017-06-20 14:58:53 +00:00
cfg.showdetail ^= 1;
2017-08-22 17:04:17 +00:00
cfg.showdetail ? (printptr = &printent_long) : (printptr = &printent);
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_STATS:
if (!ndents)
break;
mkpath(path, dents[cur].name, newpath, PATH_MAX);
if (lstat(newpath, &sb) == -1) {
2018-10-27 18:50:39 +00:00
dentfree(dents);
errexit();
}
if (show_stats(newpath, dents[cur].name, &sb) < 0) {
printwarn();
goto nochange;
2017-04-22 10:20:36 +00:00
}
2017-04-22 07:20:02 +00:00
break;
2017-09-27 14:49:42 +00:00
case SEL_LIST: // fallthrough
case SEL_EXTRACT: // fallthrough
2017-07-02 18:58:09 +00:00
case SEL_MEDIA: // fallthrough
2017-04-21 18:26:48 +00:00
case SEL_FMEDIA:
if (!ndents)
break;
mkpath(path, dents[cur].name, newpath, PATH_MAX);
if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
r = show_mediainfo(newpath, run);
else
r = handle_archive(newpath, run, path);
2017-04-21 18:26:48 +00:00
if (r == -1) {
xstrlcpy(newpath, "missing ", PATH_MAX);
2017-09-27 14:49:42 +00:00
if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
xstrlcpy(newpath + 8, utils[cfg.metaviewer], 32);
2017-09-27 14:49:42 +00:00
else
xstrlcpy(newpath + 8, utils[ATOOL], 32);
2017-09-27 14:49:42 +00:00
printmsg(newpath);
goto nochange;
}
/* In case of successful archive extract, reload contents */
if (sel == SEL_EXTRACT) {
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
/* Save current */
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
2017-04-22 07:20:02 +00:00
}
break;
case SEL_FSIZE:
2017-06-20 14:58:53 +00:00
cfg.sizeorder ^= 1;
cfg.mtimeorder = 0;
2018-10-04 18:56:31 +00:00
cfg.apparentsz = 0;
cfg.blkorder = 0;
cfg.copymode = 0;
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
2018-10-04 18:56:31 +00:00
case SEL_ASIZE:
cfg.apparentsz ^= 1;
if (cfg.apparentsz) {
nftw_fn = &sum_sizes;
cfg.blkorder = 1;
BLK_SHIFT = 0;
} else
cfg.blkorder = 0; // fallthrough
case SEL_BSIZE:
2018-10-04 18:56:31 +00:00
if (sel == SEL_BSIZE) {
if (!cfg.apparentsz)
cfg.blkorder ^= 1;
nftw_fn = &sum_bsizes;
cfg.apparentsz = 0;
BLK_SHIFT = ffs(S_BLKSIZE) - 1;
2018-10-04 18:56:31 +00:00
}
if (cfg.blkorder) {
2017-06-20 14:58:53 +00:00
cfg.showdetail = 1;
printptr = &printent_long;
}
2017-06-20 14:58:53 +00:00
cfg.mtimeorder = 0;
cfg.sizeorder = 0;
cfg.copymode = 0;
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_MTIME:
2017-06-20 14:58:53 +00:00
cfg.mtimeorder ^= 1;
cfg.sizeorder = 0;
2018-10-04 18:56:31 +00:00
cfg.apparentsz = 0;
cfg.blkorder = 0;
cfg.copymode = 0;
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_REDRAW:
/* Save current */
if (ndents)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_COPY:
2018-07-12 14:28:53 +00:00
if (!ndents)
goto nochange;
if (cfg.copymode) {
/*
* Clear the tmp copy path file on first copy.
*
* This ensures that when the first file path is
* copied into memory (but not written to tmp file
* yet to save on writes), the tmp file is cleared.
2018-11-11 00:21:05 +00:00
* The user may be in the middle of selection mode op
* and issue a cp, mv of multi-rm assuming the files
* in the copy list would be affected. However, these
* ops read the source file paths from the tmp file.
*/
if (!ncp)
writecp(NULL, 0);
2018-07-12 14:28:53 +00:00
r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
if (!appendfpath(newpath, r))
goto nochange;
2018-07-12 14:28:53 +00:00
++ncp;
} else {
r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
/* Keep the copy buf in sync */
copybufpos = 0;
appendfpath(newpath, r);
2018-11-11 01:05:44 +00:00
writecp(newpath, r - 1); /* Truncate NULL from end */
if (copier)
2018-11-27 17:07:06 +00:00
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
2018-04-16 20:52:23 +00:00
}
2018-11-27 12:59:46 +00:00
printmsg(newpath);
goto nochange;
case SEL_COPYMUL:
2018-07-12 14:28:53 +00:00
if (!ndents)
goto nochange;
cfg.copymode ^= 1;
if (cfg.copymode) {
g_crc = crc8fast((uchar *)dents, ndents * sizeof(struct entry));
copystartid = cur;
copybufpos = 0;
ncp = 0;
2018-11-11 00:21:05 +00:00
printmsg("selection on");
2018-07-12 14:28:53 +00:00
DPRINTF_S("copymode on");
goto nochange;
}
if (!ncp) { /* Handle range selection */
if (cur < copystartid) {
copyendid = copystartid;
2018-04-16 20:52:23 +00:00
copystartid = cur;
2018-07-12 14:28:53 +00:00
} else
copyendid = cur;
2018-07-12 14:28:53 +00:00
if (copystartid < copyendid) {
for (r = copystartid; r <= copyendid; ++r)
if (!appendfpath(newpath, mkpath(path, dents[r].name, newpath, PATH_MAX)))
goto nochange;
2018-07-12 14:28:53 +00:00
snprintf(newpath, PATH_MAX, "%d files copied", copyendid - copystartid + 1);
printmsg(newpath);
2018-04-16 20:52:23 +00:00
}
}
2018-07-12 14:28:53 +00:00
if (copybufpos) { /* File path(s) written to the buffer */
2018-11-11 01:05:44 +00:00
writecp(pcopybuf, copybufpos - 1); /* Truncate NULL from end */
if (copier)
2018-11-27 17:07:06 +00:00
spawn(copier, NULL, NULL, NULL, F_NOTRACE);
2018-07-12 14:28:53 +00:00
if (ncp) { /* Some files cherry picked */
snprintf(newpath, PATH_MAX, "%d files copied", ncp);
printmsg(newpath);
}
} else
2018-11-11 00:21:05 +00:00
printmsg("selection off");
goto nochange;
case SEL_COPYLIST:
2018-11-10 14:12:09 +00:00
if (copybufpos)
showcplist();
else
2018-11-11 00:21:05 +00:00
printmsg("selection off");
goto nochange;
case SEL_CP:
case SEL_MV:
case SEL_RMMUL:
{
/* Fail if copy file path not generated */
if (!g_cppath[0]) {
printmsg("copy file not found");
goto nochange;
}
/* Warn if selection not completed */
if (cfg.copymode) {
printmsg("finish selection first");
goto nochange;
}
/* Fail if copy file path isn't created */
if (access(g_cppath, R_OK) == -1) {
printmsg("empty selection list");
goto nochange;
}
if (sel == SEL_CP)
snprintf(g_buf, MAX_CMD_LEN, "xargs -0 -a %s cp -iRp -t .", g_cppath);
else if (sel == SEL_MV)
2018-11-27 17:07:06 +00:00
snprintf(g_buf, MAX_CMD_LEN, "xargs -0 -a %s mv -i -t .", g_cppath);
else /* SEL_RMMUL */
2018-11-27 17:07:06 +00:00
snprintf(g_buf, MAX_CMD_LEN, "xargs -0 -a %s rm -Ir", g_cppath);
2018-11-11 00:45:18 +00:00
spawn("sh", "-c", g_buf, path, F_NORMAL | F_SIGINT);
copycurname();
if (cfg.filtermode)
presel = FILTER;
goto begin;
}
case SEL_RM:
2018-11-11 00:45:18 +00:00
if (!ndents)
break;
mkpath(path, dents[cur].name, newpath, PATH_MAX);
spawn("rm", "-Ir", newpath, NULL, F_NORMAL | F_SIGINT);
lastname[0] = '\0';
if (cfg.filtermode)
presel = FILTER;
goto begin;
2018-04-25 17:07:59 +00:00
case SEL_OPEN: // fallthrough
2018-07-18 23:14:24 +00:00
case SEL_ARCHIVE:
if (!ndents)
2018-07-18 23:14:24 +00:00
break; // fallthrough
case SEL_LAUNCH: // fallthrough
2017-09-10 07:35:25 +00:00
case SEL_NEW:
2018-04-25 17:07:59 +00:00
if (sel == SEL_OPEN)
tmp = xreadline(NULL, "open with: ");
else if (sel == SEL_LAUNCH)
tmp = xreadline(NULL, "launch: ");
2018-07-18 23:14:24 +00:00
else if (sel == SEL_ARCHIVE)
tmp = xreadline(dents[cur].name, "name: ");
2018-04-25 17:07:59 +00:00
else
tmp = xreadline(NULL, "name: ");
2017-12-25 10:25:53 +00:00
2017-09-10 07:35:25 +00:00
if (tmp == NULL || tmp[0] == '\0')
break;
/* Allow only relative, same dir paths */
2018-11-08 05:36:57 +00:00
if ((sel != SEL_LAUNCH) &&
(tmp[0] == '/' || strcmp(xbasename(tmp), tmp) != 0)) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_INPUT_ID]);
2017-09-10 07:35:25 +00:00
goto nochange;
}
2017-12-25 10:25:53 +00:00
if (sel == SEL_OPEN) {
r = get_input("press 'c' for cli mode");
2017-12-25 10:25:53 +00:00
if (r == 'c')
r = F_NORMAL;
else
r = F_NOWAIT | F_NOTRACE;
2017-12-25 10:25:53 +00:00
mkpath(path, dents[cur].name, newpath, PATH_MAX);
spawn(tmp, newpath, NULL, path, r);
2018-04-24 23:34:37 +00:00
continue;
2018-11-03 10:20:01 +00:00
}
if (sel == SEL_LAUNCH) {
2018-11-08 05:36:57 +00:00
uint args = 0;
char *ptr = tmp, *ptr1 = NULL, *ptr2 = NULL;
while (*ptr) {
if (*ptr == ' ') {
*ptr = '\0';
if (args == 0)
ptr1 = ptr + 1;
else if (args == 1)
ptr2 = ptr + 1;
else
break;
++args;
}
++ptr;
}
spawn(tmp, ptr1, ptr2, path, F_NOWAIT | F_NOTRACE);
break;
}
2018-11-03 10:20:01 +00:00
if (sel == SEL_ARCHIVE) {
2018-04-24 23:34:37 +00:00
/* newpath is used as temporary buffer */
if (!get_output(newpath, PATH_MAX, "which", utils[APACK], NULL, 0)) {
printmsg("apack missing");
continue;
}
2017-12-25 10:25:53 +00:00
2018-04-24 23:34:37 +00:00
spawn(utils[APACK], tmp, dents[cur].name, path, F_NORMAL);
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
/* Save current */
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
2017-12-25 10:25:53 +00:00
}
2017-09-10 07:35:25 +00:00
/* Open the descriptor to currently open directory */
fd = open(path, O_RDONLY | O_DIRECTORY);
if (fd == -1) {
printwarn();
goto nochange;
}
/* Check if another file with same name exists */
if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) {
2018-01-14 04:48:53 +00:00
printmsg("entry exists");
2017-09-10 07:35:25 +00:00
goto nochange;
}
/* Check if it's a dir or file */
r = get_input("press 'f'(ile) or 'd'(ir)");
2017-09-10 07:35:25 +00:00
if (r == 'f') {
2017-12-27 20:17:44 +00:00
r = openat(fd, tmp, O_CREAT, 0666);
2017-09-10 07:35:25 +00:00
close(r);
} else if (r == 'd')
2017-12-27 20:17:44 +00:00
r = mkdirat(fd, tmp, 0777);
2017-09-10 07:35:25 +00:00
else {
close(fd);
break;
}
if (r == -1) {
printwarn();
close(fd);
goto nochange;
}
close(fd);
2018-11-09 09:26:11 +00:00
xstrlcpy(lastname, tmp, NAME_MAX + 1);
2017-09-10 07:35:25 +00:00
goto begin;
2017-08-22 19:16:58 +00:00
case SEL_RENAME:
if (!ndents)
2017-08-22 19:16:58 +00:00
break;
tmp = xreadline(dents[cur].name, "");
2017-08-24 01:34:56 +00:00
if (tmp == NULL || tmp[0] == '\0')
2017-08-22 19:16:58 +00:00
break;
2017-09-10 07:35:25 +00:00
/* Allow only relative, same dir paths */
if (tmp[0] == '/' || strcmp(xbasename(tmp), tmp) != 0) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_INPUT_ID]);
2017-08-22 19:16:58 +00:00
goto nochange;
}
/* Skip renaming to same name */
if (strcmp(tmp, dents[cur].name) == 0)
2017-08-22 19:16:58 +00:00
break;
/* Open the descriptor to currently open directory */
2017-08-22 21:58:26 +00:00
fd = open(path, O_RDONLY | O_DIRECTORY);
2017-08-22 19:16:58 +00:00
if (fd == -1) {
printwarn();
goto nochange;
}
/* Check if another file with same name exists */
if (faccessat(fd, tmp, F_OK, AT_SYMLINK_NOFOLLOW) != -1) {
/* File with the same name exists */
if (get_input("press 'y' to overwrite") != 'y') {
2017-08-22 19:16:58 +00:00
close(fd);
break;
}
}
/* Rename the file */
2017-12-12 21:02:45 +00:00
if (renameat(fd, dents[cur].name, fd, tmp) != 0) {
2017-08-22 19:16:58 +00:00
printwarn();
close(fd);
goto nochange;
}
close(fd);
2018-11-09 09:26:11 +00:00
xstrlcpy(lastname, tmp, NAME_MAX + 1);
2017-08-22 19:16:58 +00:00
goto begin;
2018-02-24 14:16:58 +00:00
case SEL_RENAMEALL:
2018-02-24 15:15:50 +00:00
if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[VIDIR], NULL, 0)) {
2018-02-24 14:16:58 +00:00
printmsg("vidir missing");
goto nochange;
}
spawn(utils[VIDIR], ".", NULL, path, F_NORMAL);
2018-02-24 14:16:58 +00:00
/* Save current */
if (ndents)
2018-02-24 14:16:58 +00:00
copycurname();
goto begin;
2017-04-03 17:03:46 +00:00
case SEL_HELP:
2017-08-11 20:12:55 +00:00
show_help(path);
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
2017-04-22 07:20:02 +00:00
break;
case SEL_RUN: // fallthrough
2018-03-19 00:02:16 +00:00
case SEL_RUNSCRIPT:
run = xgetenv(env, run);
2018-03-19 00:02:16 +00:00
if (sel == SEL_RUNSCRIPT) {
tmp = getenv("NNN_SCRIPT");
2018-06-17 16:17:19 +00:00
if (tmp) {
if (getenv("NNN_MULTISCRIPT")) {
size_t _len = xstrlcpy(newpath, tmp, PATH_MAX);
2018-07-08 16:02:26 +00:00
tmp = xreadline(NULL, "script suffix: ");
2018-06-17 16:17:19 +00:00
if (tmp && tmp[0])
xstrlcpy(newpath + _len - 1, tmp, PATH_MAX - _len);
tmp = newpath;
}
char *curfile = NULL;
2018-07-08 16:02:26 +00:00
if (ndents)
curfile = dents[cur].name;
spawn(run, tmp, curfile, path, F_NORMAL | F_SIGINT);
} else
printmsg("set NNN_SCRIPT");
2018-03-19 00:02:16 +00:00
} else {
spawn(run, NULL, NULL, path, F_NORMAL | F_MARKER);
/* Continue in navigate-as-you-type mode, if enabled */
if (cfg.filtermode)
presel = FILTER;
}
2018-02-15 13:51:58 +00:00
/* Save current */
if (ndents)
2018-02-15 13:51:58 +00:00
copycurname();
/* Repopulate as directory content may have changed */
goto begin;
case SEL_RUNARG:
run = xgetenv(env, run);
if ((!run || !run[0]) && (strcmp("VISUAL", env) == 0))
2018-04-08 00:43:33 +00:00
run = editor ? editor : xgetenv("EDITOR", "vi");
2017-07-02 10:42:30 +00:00
spawn(run, dents[cur].name, NULL, path, F_NORMAL);
break;
2018-03-30 15:53:28 +00:00
case SEL_LOCK:
2018-11-10 06:36:21 +00:00
spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT);
2018-03-30 15:53:28 +00:00
break;
2018-11-25 15:36:47 +00:00
case SEL_QUITCD: // fallthrough
case SEL_QUIT:
for (r = 0; r < MAX_CTX; ++r)
if (r != cfg.curctx && g_ctx[r].c_cfg.ctxactive) {
r = get_input("Quit all contexts? ('Enter' confirms)");
break;
}
if (!(r == MAX_CTX || r == 13))
break;
2017-12-12 20:16:50 +00:00
2018-11-25 15:36:47 +00:00
if (sel == SEL_QUITCD) {
/* In vim picker mode, clear selection and exit */
if (cfg.picker) {
copybufpos = 0;
dentfree(dents);
return;
}
tmp = getenv("NNN_TMPFILE");
if (!tmp) {
printmsg("set NNN_TMPFILE");
goto nochange;
}
FILE *fp = fopen(tmp, "w");
2017-12-12 20:16:50 +00:00
if (fp) {
fprintf(fp, "cd \"%s\"", path);
fclose(fp);
}
} // fallthrough
case SEL_QUITCTX:
if (sel == SEL_QUITCTX) {
uint iter = 1;
r = cfg.curctx;
while (iter < MAX_CTX) {
(r == MAX_CTX - 1) ? (r = 0) : ++r;
if (g_ctx[r].c_cfg.ctxactive) {
g_ctx[cfg.curctx].c_cfg.ctxactive = 0;
/* Switch to next active context */
path = g_ctx[r].c_path;
ipath = g_ctx[r].c_init;
lastdir = g_ctx[r].c_last;
lastname = g_ctx[r].c_name;
cfg = g_ctx[r].c_cfg;
hfltr = g_ctx[r].c_fltr;
cfg.curctx = r;
setdirwatch();
goto begin;
}
++iter;
}
}
if (cfg.picker && copybufpos == 0 && ndents) {
r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
appendfpath(newpath, r);
writecp(newpath, r - 1);
2017-12-12 20:16:50 +00:00
}
dentfree(dents);
return;
2018-03-05 12:45:42 +00:00
} /* switch (sel) */
2018-11-22 14:49:32 +00:00
/* Locker */
if (idletimeout != 0 && idle == idletimeout) {
idle = 0;
2018-11-10 06:36:21 +00:00
spawn(utils[LOCKER], NULL, NULL, NULL, F_NORMAL | F_SIGINT);
}
2014-10-07 06:05:30 +00:00
}
}
2018-10-22 14:25:45 +00:00
static void usage(void)
2015-11-26 16:00:26 +00:00
{
2018-10-18 17:30:15 +00:00
fprintf(stdout,
"usage: nnn [-b key] [-c N] [-e] [-i] [-l]\n"
2018-11-23 17:11:47 +00:00
" [-p file] [-S] [-v] [-h] [PATH]\n\n"
2018-08-06 23:22:39 +00:00
"The missing terminal file manager for X.\n\n"
2018-08-16 15:05:57 +00:00
"positional args:\n"
" PATH start dir [default: current dir]\n\n"
2018-08-16 15:05:57 +00:00
"optional args:\n"
2018-10-18 17:37:18 +00:00
" -b key bookmark key to open\n"
" -c N dir color, disables if N>7\n"
" -e use exiftool instead of mediainfo\n"
" -i start in navigate-as-you-type mode\n"
2018-08-16 15:05:57 +00:00
" -l start in light mode\n"
2018-11-23 17:11:47 +00:00
" -p file copy selection to file (stdout if '-')\n"
" -S start in disk usage analyser mode\n"
2018-10-18 17:37:18 +00:00
" -v show program version\n"
" -h show this help\n\n"
"Version: %s\n%s\n", VERSION, GENERAL_INFO);
2017-04-14 18:44:25 +00:00
exit(0);
2015-11-26 16:00:26 +00:00
}
2018-10-22 14:25:45 +00:00
int main(int argc, char *argv[])
2014-10-07 06:05:30 +00:00
{
2017-12-30 08:24:49 +00:00
static char cwd[PATH_MAX] __attribute__ ((aligned));
2018-11-09 09:58:54 +00:00
char *ipath = NULL;
2017-06-21 04:19:02 +00:00
int opt;
2015-11-26 16:00:26 +00:00
2015-03-12 12:57:34 +00:00
/* Confirm we are in a terminal */
if (!isatty(0) || !isatty(1)) {
fprintf(stderr, "stdin or stdout is not a tty\n");
exit(1);
}
2015-03-12 12:57:34 +00:00
2018-11-23 17:11:47 +00:00
while ((opt = getopt(argc, argv, "Slib:c:ep:vh")) != -1) {
2017-04-01 05:18:18 +00:00
switch (opt) {
case 'S':
cfg.blkorder = 1;
2018-10-19 03:49:53 +00:00
nftw_fn = sum_bsizes;
2018-11-15 12:53:25 +00:00
BLK_SHIFT = ffs(S_BLKSIZE) - 1;
break;
case 'l':
2017-06-20 14:58:53 +00:00
cfg.showdetail = 0;
printptr = &printent;
2017-04-01 05:18:18 +00:00
break;
case 'i':
2017-06-20 14:58:53 +00:00
cfg.filtermode = 1;
break;
case 'b':
ipath = optarg;
break;
2017-07-02 20:56:47 +00:00
case 'c':
2017-10-01 13:29:43 +00:00
if (atoi(optarg) > 7)
2017-07-02 20:56:47 +00:00
cfg.showcolor = 0;
else
cfg.color = (uchar)atoi(optarg);
break;
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case 'e':
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cfg.metaviewer = EXIFTOOL;
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break;
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case 'p':
cfg.picker = 1;
if (optarg[0] == '-' && optarg[1] == '\0')
cfg.pickraw = 1;
else {
/* copier used as tmp var */
copier = realpath(optarg, g_cppath);
if (!g_cppath[0]) {
fprintf(stderr, "%s\n", strerror(errno));
exit(1);
}
}
break;
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case 'v':
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fprintf(stdout, "%s\n", VERSION);
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return 0;
case 'h': // fallthrough
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default:
usage();
}
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}
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/* Parse bookmarks string */
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if (parsebmstr() < 0) {
fprintf(stderr, "ERROR parsing NNN_BMS: set single-char bookmark keys only\n");
exit(1);
}
if (ipath) { /* Open a bookmark directly */
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if (ipath[1] || get_bm_loc(*ipath, cwd) == NULL) {
fprintf(stderr, "%s\n", messages[STR_INVBM_KEY]);
exit(1);
}
ipath = cwd;
} else if (argc == optind) {
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/* Start in the current directory */
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ipath = getcwd(cwd, PATH_MAX);
if (ipath == NULL)
ipath = "/";
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} else {
ipath = realpath(argv[optind], cwd);
if (!ipath) {
fprintf(stderr, "%s: no such dir\n", argv[optind]);
exit(1);
}
}
/* Increase current open file descriptor limit */
open_max = max_openfds();
if (getuid() == 0 || getenv("NNN_SHOW_HIDDEN"))
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cfg.showhidden = 1;
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#ifdef LINUX_INOTIFY
/* Initialize inotify */
inotify_fd = inotify_init1(IN_NONBLOCK);
if (inotify_fd < 0) {
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fprintf(stderr, "inotify init! %s\n", strerror(errno));
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exit(1);
}
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#elif defined(BSD_KQUEUE)
kq = kqueue();
if (kq < 0) {
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fprintf(stderr, "kqueue init! %s\n", strerror(errno));
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exit(1);
}
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#endif
/* Edit text in EDITOR, if opted */
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if (getenv("NNN_USE_EDITOR")) {
editor = xgetenv("VISUAL", NULL);
if (!editor)
editor = xgetenv("EDITOR", "vi");
if (editor) {
/* copier used as a temp var */
copier = editor;
while (*copier) {
if (*copier == ' ') {
*copier = '\0';
editor_arg = ++copier;
break;
}
++copier;
}
}
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}
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/* Get locker wait time, if set; copier used as tmp var */
copier = getenv("NNN_IDLE_TIMEOUT");
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if (copier) {
opt = atoi(copier);
idletimeout = opt * ((opt > 0) - (opt < 0));
}
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/* Get the clipboard copier, if set */
copier = getenv("NNN_COPIER");
if (getenv("HOME"))
g_tmpfplen = xstrlcpy(g_tmpfpath, getenv("HOME"), MAX_HOME_LEN);
else if (getenv("TMPDIR"))
g_tmpfplen = xstrlcpy(g_tmpfpath, getenv("TMPDIR"), MAX_HOME_LEN);
else if (xdiraccess("/tmp"))
g_tmpfplen = xstrlcpy(g_tmpfpath, "/tmp", MAX_HOME_LEN);
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if (!cfg.picker && g_tmpfplen) {
xstrlcpy(g_cppath, g_tmpfpath, MAX_HOME_LEN);
xstrlcpy(g_cppath + g_tmpfplen - 1, "/.nnncp", MAX_HOME_LEN - g_tmpfplen);
}
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/* Disable auto-select if opted */
if (getenv("NNN_NO_AUTOSELECT"))
cfg.autoselect = 0;
/* Disable opening files on right arrow and `l` */
if (getenv("DISABLE_FILE_OPEN_ON_NAV"))
cfg.nonavopen = 1;
signal(SIGINT, SIG_IGN);
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signal(SIGQUIT, SIG_IGN);
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/* Test initial path */
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if (!xdiraccess(ipath)) {
fprintf(stderr, "%s: %s\n", ipath, strerror(errno));
exit(1);
}
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/* Set locale */
setlocale(LC_ALL, "");
crc8init();
#ifdef DEBUGMODE
enabledbg();
#endif
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initcurses();
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browse(ipath);
exitcurses();
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if (cfg.pickraw) {
if (copybufpos) {
opt = selectiontofd(1);
if (opt != (int)(copybufpos))
fprintf(stderr, "%s\n", strerror(errno));
}
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} else if (!cfg.picker && g_cppath[0])
unlink(g_cppath);
/* Free the copy buffer */
free(pcopybuf);
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#ifdef LINUX_INOTIFY
/* Shutdown inotify */
if (inotify_wd >= 0)
inotify_rm_watch(inotify_fd, inotify_wd);
close(inotify_fd);
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#elif defined(BSD_KQUEUE)
if (event_fd >= 0)
close(event_fd);
close(kq);
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#endif
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#ifdef DEBUGMODE
disabledbg();
#endif
exit(0);
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}