nnn/nnn.c

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2015-11-20 14:36:40 +00:00
/* See LICENSE file for copyright and license details. */
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/*
* Visual layout:
* .---------
* | DIR: /mnt/path
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* |
* | file0
* | file1
* | > file2
* | file3
* | file4
* ...
* | filen
* |
* | Permission denied
* '------
*/
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#ifdef __linux__
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#ifdef __i386__
#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 <curses.h>
#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 <time.h>
#include <unistd.h>
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#include <readline/history.h>
#include <readline/readline.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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#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) {
fprintf(stderr, "Cannot open debug file\n");
return -1;
}
DEBUG_FD = fileno(fp);
if (DEBUG_FD == -1) {
fprintf(stderr, "Cannot open debug file descriptor\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 "1.6"
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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
#define CWD "DIR: "
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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
#define _ALIGNMENT 0x10
#define _ALIGNMENT_MASK 0xF
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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 */
#define WIDTH (8 * sizeof(unsigned char))
#define TOPBIT (1 << (WIDTH - 1))
#define POLYNOMIAL 0xD8 /* 11011 followed by 0's */
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#define CRC8_TABLE_LEN 256
/* 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] == '/')
#define copyfilter() xstrlcpy(fltr, ifilter, NAME_MAX)
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#define copycurname() xstrlcpy(oldname, 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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#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
/* File path to copy file names when X is not available */
#define TMP_CP_PATH "/tmp/nnncp"
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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;
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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;
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uint nlen; /* Length of file name; can be uchar (< NAME_MAX + 1) */
}__attribute__ ((packed, aligned(_ALIGNMENT))) *pEntry;
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/* Bookmark */
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typedef struct {
char *key;
char *loc;
} bm;
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/* Settings */
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typedef struct {
ushort filtermode : 1; /* Set to enter filter mode */
ushort mtimeorder : 1; /* Set to sort by time modified */
ushort sizeorder : 1; /* Set to sort by file size */
ushort blkorder : 1; /* Set to sort by blocks used (disk usage) */
ushort showhidden : 1; /* Set to show hidden files */
ushort copymode : 1; /* Set when copying files */
ushort showdetail : 1; /* Clear to show fewer file info */
ushort showcolor : 1; /* Set to show dirs in blue */
ushort dircolor : 1; /* Current status of dir color */
ushort metaviewer : 1; /* Index of metadata viewer in utils[] */
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ushort quote : 1; /* Copy paths within quotes */
ushort noxdisplay : 1; /* X11 is not available */
ushort color : 3; /* Color code for directories */
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} settings;
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/* GLOBALS */
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/* Configuration */
static settings cfg = {0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 4};
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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;
static char *player;
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static char *copier;
static char *editor;
static char *desktop_manager;
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static char nowait = F_NOTRACE;
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];
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static uchar crc8table[CRC8_TABLE_LEN];
static uchar g_crc;
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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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/* Utilities to open files, run actions */
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static char * const utils[] = {
"mediainfo",
"exiftool",
#ifdef __APPLE__
"/usr/bin/open",
#else
"xdg-open",
#endif
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"nlay",
"atool"
};
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/* Common strings */
#define STR_NFTWFAIL_ID 0
#define STR_ATROOT_ID 1
#define STR_NOHOME_ID 2
#define STR_INPUT_ID 3
#define STR_INVBM_ID 4
#define STR_COPY_ID 5
#define STR_DATE_ID 6
static const char messages[][16] =
{
"nftw(3) failed",
"already at /",
"HOME not set",
"no traversal",
"invalid key",
"set NNN_COPIER",
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"%F %T %z",
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};
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/* For use in functions which are isolated and don't return the buffer */
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static char g_buf[MAX_CMD_LEN] __attribute__ ((aligned));
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/* Forward declarations */
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static void redraw(char *path);
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/* Functions */
/*
* CRC8 source:
* https://barrgroup.com/Embedded-Systems/How-To/CRC-Calculation-C-Code
*/
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 */
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;
}
}
static uchar
crc8fast(uchar const message[], size_t n)
{
uchar data;
uchar remainder = 0;
size_t byte;
/* Divide the message by the polynomial, a byte at a time */
for (byte = 0; byte < n; ++byte)
{
data = message[byte] ^ (remainder >> (WIDTH - 8));
remainder = crc8table[data] ^ (remainder << 8);
}
/* The final remainder is the CRC */
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return remainder;
}
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/* Messages show up at the bottom */
static void
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printmsg(const char *msg)
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{
mvprintw(LINES - 1, 0, "%s\n", msg);
}
/* Kill curses and display error before exiting */
static void
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printerr(int linenum)
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{
exitcurses();
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fprintf(stderr, "line %d: (%d) %s\n", linenum, errno, strerror(errno));
exit(1);
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}
/* Print prompt on the last line */
static void
printprompt(char *str)
{
clearprompt();
printw(str);
}
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/* Increase the limit on open file descriptors, if possible */
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
*/
static void *
xrealloc(void *pcur, size_t len)
{
static void *pmem;
pmem = realloc(pcur, len);
if (!pmem && pcur)
free(pcur);
return pmem;
}
/*
* Custom xstrlen()
*/
static size_t
xstrlen(const char *s)
{
static size_t len;
if (!s)
return 0;
len = 0;
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while (*s)
++len, ++s;
return len;
}
/*
* 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.
*/
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 = xstrlen(src) + 1;
if (n > len)
n = len;
else if (len > n)
/* Save total number of bytes to copy in len */
len = n;
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/*
* 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 & (ulong)dest & _ALIGNMENT_MASK)) {
s = (ulong *)src;
d = (ulong *)dest;
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blocks = n >> _WSHIFT;
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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;
}
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while (--n && (*dest = *src))
++dest, ++src;
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if (!n)
*dest = '\0';
return len;
}
/*
* Custom strcmp(), just what we need.
* Returns 0 if same, -ve if s1 < s2, +ve if s1 > s2.
*/
static int
xstrcmp(const char *s1, const char *s2)
{
if (!s1 || !s2)
return -1;
while (*s1 && *s1 == *s2)
++s1, ++s2;
return *s1 - *s2;
}
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/*
* The poor man's implementation of memrchr(3).
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* We are only looking for '/' in this program.
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* And we are NOT expecting a '/' at the end.
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* Ideally 0 < n <= strlen(s).
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*/
static void *
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xmemrchr(uchar *s, uchar ch, size_t n)
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{
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static uchar *ptr;
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if (!s || !n)
return NULL;
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ptr = s + n;
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do {
--ptr;
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if (*ptr == ch)
return ptr;
} while (s != ptr);
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return NULL;
}
/*
* The following dirname(3) implementation does not
* modify the input. We use a copy of the original.
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*
* Modified from the glibc (GNU LGPL) version.
*/
static char *
xdirname(const char *path)
{
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static char * const buf = g_buf, *last_slash, *runp;
xstrlcpy(buf, path, PATH_MAX);
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/* Find last '/'. */
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last_slash = xmemrchr((uchar *)buf, '/', xstrlen(buf));
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if (last_slash != NULL && last_slash != buf && last_slash[1] == '\0') {
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/* Determine whether all remaining characters are slashes. */
for (runp = last_slash; runp != buf; --runp)
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if (runp[-1] != '/')
break;
/* The '/' is the last character, we have to look further. */
if (runp != buf)
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last_slash = xmemrchr((uchar *)buf, '/', runp - buf);
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}
if (last_slash != NULL) {
/* Determine whether all remaining characters are slashes. */
for (runp = last_slash; runp != buf; --runp)
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if (runp[-1] != '/')
break;
/* Terminate the buffer. */
if (runp == buf) {
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/* The last slash is the first character in the string.
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* 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)
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++last_slash;
else
last_slash = buf + 1;
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} else
last_slash = runp;
last_slash[0] = '\0';
} else {
/* This assignment is ill-designed but the XPG specs require to
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* 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';
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}
return buf;
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}
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static char *
xbasename(char *path)
{
static char *base;
base = xmemrchr((uchar *)path, '/', xstrlen(path));
return base ? base + 1 : path;
}
/* Writes buflen char(s) from buf to a file */
static void
writecp(const char *buf, const size_t buflen)
{
FILE *fp = fopen(TMP_CP_PATH, "w");
if (fp) {
fwrite(buf, 1, buflen, fp);
fclose(fp);
} else
printwarn();
}
static bool
appendfilepath(const char *path, const size_t len)
{
2018-01-28 06:03:12 +00:00
if ((copybufpos >= copybuflen) || (len > (copybuflen - (copybufpos + 3)))) {
copybuflen += PATH_MAX;
pcopybuf = xrealloc(pcopybuf, copybuflen);
if (!pcopybuf) {
2018-01-14 04:48:53 +00:00
printmsg("no memory!\n");
return FALSE;
}
}
2018-01-28 06:03:12 +00:00
if (copybufpos) {
pcopybuf[copybufpos - 1] = '\n';
2018-01-28 06:03:12 +00:00
if (cfg.quote) {
pcopybuf[copybufpos] = '\'';
++copybufpos;
}
} else if (cfg.quote) {
pcopybuf[copybufpos] = '\'';
++copybufpos;
}
copybufpos += xstrlcpy(pcopybuf + copybufpos, path, len);
2018-01-28 06:03:12 +00:00
if (cfg.quote) {
pcopybuf[copybufpos - 1] = '\'';
pcopybuf[copybufpos] = '\0';
++copybufpos;
}
return TRUE;
}
2017-04-24 13:23:03 +00:00
/*
2017-06-20 04:56:31 +00:00
* Return number of dots if all chars in a string are dots, else 0
2017-04-24 13:23:03 +00:00
*/
static int
2017-07-05 16:38:13 +00:00
all_dots(const char *path)
2017-04-24 13:23:03 +00:00
{
2017-12-19 18:03:27 +00:00
int count = 0;
2017-07-05 16:38:13 +00:00
if (!path)
2017-04-24 13:23:03 +00:00
return FALSE;
2017-07-05 16:38:13 +00:00
while (*path == '.')
++count, ++path;
2017-04-24 13:23:03 +00:00
2017-07-05 16:38:13 +00:00
if (*path)
2017-04-24 13:23:03 +00:00
return 0;
return count;
}
2017-06-20 04:56:31 +00:00
/* Initialize curses mode */
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.
*/
2017-04-01 09:11:07 +00:00
static void
2017-12-24 15:33:23 +00:00
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) {
2017-06-15 14:04:56 +00:00
printf("\n +-++-++-+\n | n n n |\n +-++-++-+\n\n");
printf("Spawned 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);
}
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 */
2017-04-01 09:11:07 +00:00
static char *
2017-12-24 15:33:23 +00:00
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 */
static bool
2017-12-24 15:33:23 +00:00
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.
*/
2017-04-01 09:11:07 +00:00
static int
2017-12-24 15:33:23 +00:00
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;
else
return -1;
}
}
return strcoll(s1, s2);
}
2017-08-20 16:10:52 +00:00
/* Return the integer value of a char representing HEX */
static char
xchartohex(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
c = TOUPPER(c);
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
return c;
}
/* Trim all whitespace from both ends, / from end */
static char *
strstrip(char *s)
{
if (!s || !*s)
return s;
size_t len = xstrlen(s) - 1;
while (len != 0 && (isspace(s[len]) || s[len] == '/'))
2017-06-17 06:58:21 +00:00
--len;
s[len + 1] = '\0';
while (*s && isspace(*s))
2017-06-17 06:58:21 +00:00
++s;
return s;
}
2017-04-01 09:11:07 +00:00
static char *
2017-12-24 15:33:23 +00:00
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;
if (regexec(&regex, file, 0, NULL, 0) == 0)
return assocs[i].mime;
2014-10-09 09:33:49 +00:00
}
2017-12-24 15:33:23 +00:00
return NULL;
2014-10-07 06:05:30 +00:00
}
2017-04-01 09:11:07 +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);
}
return r;
}
2017-04-01 09:11:07 +00:00
static void
initfilter(int dot, char **ifilter)
{
*ifilter = dot ? "." : "^[^.]";
}
2017-04-01 09:11:07 +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;
}
2017-04-01 09:11:07 +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;
else if (S_ISDIR(pa->mode) && !S_ISDIR(pb->mode))
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;
else if (pb->size < pa->size)
return -1;
}
if (cfg.blkorder) {
if (pb->blocks > pa->blocks)
return 1;
else 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.
*/
2017-04-01 09:11:07 +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
2017-04-28 23:02:47 +00:00
if (c == 0)
c = getch();
2017-08-22 21:58:26 +00:00
else {
*presel = 0;
2017-08-22 21:58:26 +00:00
/* Unwatch dir if we are still in a filtered view */
#ifdef LINUX_INOTIFY
if (inotify_wd >= 0) {
inotify_rm_watch(inotify_fd, inotify_wd);
inotify_wd = -1;
}
#elif defined(BSD_KQUEUE)
if (event_fd >= 0) {
close(event_fd);
event_fd = -1;
}
#endif
}
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
2017-08-20 20:48:14 +00:00
/* Do not check for directory changes in du
* mode. A redraw forces du calculation.
* 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
*/
static void
2017-07-05 02:47:51 +00:00
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;
}
}
}
static int
matches(char *fltr)
{
static regex_t re;
/* Search filter */
if (setfilter(&re, fltr) != 0)
return -1;
2017-05-17 02:46:33 +00:00
fill(&dents, visible, &re);
2017-04-28 23:02:47 +00:00
qsort(dents, ndents, sizeof(*dents), entrycmp);
return 0;
}
static int
2017-08-24 04:45:32 +00:00
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();
echo();
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) {
if (*ch == 127 /* handle DEL */ || *ch == KEY_DC || *ch == KEY_BACKSPACE) {
2017-12-14 13:42:14 +00:00
if (len == 1) {
cur = oldcur;
*ch = CONTROL('L');
goto end;
}
2017-04-28 23:02:47 +00:00
2017-12-14 13:42:14 +00:00
wln[--len] = '\0';
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;
if (matches(pln) == -1)
2017-08-25 08:40:57 +00:00
continue;
2017-12-14 13:42:14 +00:00
redraw(path);
printprompt(ln);
continue;
2017-08-25 08:40:57 +00:00
}
if (r == OK) {
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 CONTROL('L'): // fallthrough
case CONTROL('K'): // fallthrough
case CONTROL('Y'): // fallthrough
case CONTROL('_'): // fallthrough
case CONTROL('R'): // fallthrough
case CONTROL('O'): // fallthrough
case CONTROL('B'): // fallthrough
case CONTROL('V'): // fallthrough
case CONTROL('J'): // fallthrough
case CONTROL('X'): // fallthrough
case CONTROL('F'): // fallthrough
2018-01-28 06:53:23 +00:00
case CONTROL('T'):
if (len == 1)
2018-01-28 06:53:23 +00:00
cur = oldcur;
2017-06-04 12:22:51 +00:00
goto end;
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);
2017-04-28 23:02:47 +00:00
ndents = total;
if (matches(pln) == -1)
continue;
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:
noecho();
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)
{
int old_curs = curs_set(1);
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
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);
cleartimeout();
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
if ((r = get_wch(ch)) != ERR) {
if (r == OK) {
if (*ch == KEY_ENTER || *ch == '\n' || *ch == '\r')
break;
2017-08-24 01:34:56 +00:00
2017-08-25 16:19:55 +00:00
if (*ch == CONTROL('L')) {
clearprompt();
len = pos = 0;
continue;
}
2017-10-09 17:25:44 +00:00
/* TAB breaks cursor position, ignore it */
2017-12-26 18:46:23 +00:00
if (*ch == '\t')
2017-10-09 17:25:44 +00:00
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
}
}
}
buf[len] = '\0';
2017-12-27 20:17:44 +00:00
if (old_curs != ERR)
curs_set(old_curs);
2017-08-24 01:34:56 +00:00
settimeout();
2017-09-10 07:35:25 +00:00
DPRINTF_S(buf);
2017-08-24 04:45:32 +00:00
wcstombs(g_buf, buf, NAME_MAX);
return g_buf;
2017-08-24 01:34:56 +00:00
}
2017-09-02 08:39:34 +00:00
static char *
readinput(void)
{
cleartimeout();
echo();
curs_set(TRUE);
memset(g_buf, 0, NAME_MAX + 1);
wgetnstr(stdscr, g_buf, NAME_MAX);
2017-09-02 08:39:34 +00:00
noecho();
curs_set(FALSE);
settimeout();
return g_buf[0] ? g_buf : NULL;
}
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
*/
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);
2017-03-29 14:12:23 +00:00
else {
/* Handle root case */
2017-07-05 16:38:13 +00:00
if (istopdir(dir))
2018-01-13 21:57:24 +00:00
len = 1;
2017-03-29 14:12:23 +00:00
else
2018-01-13 21:57:24 +00:00
len = xstrlcpy(out, dir, n);
}
2018-01-13 21:57:24 +00:00
out[len - 1] = '/';
return (xstrlcpy(out + len, name, n - len) + len);
}
2017-06-11 04:15:50 +00:00
static void
parsebmstr(char *bms)
{
int i = 0;
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while (*bms && i < BM_MAX) {
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bookmark[i].key = bms;
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++bms;
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while (*bms && *bms != ':')
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++bms;
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if (!*bms) {
bookmark[i].key = NULL;
break;
}
*bms = '\0';
bookmark[i].loc = ++bms;
if (bookmark[i].loc[0] == '\0' || bookmark[i].loc[0] == ';') {
bookmark[i].key = NULL;
break;
}
while (*bms && *bms != ';')
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++bms;
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if (*bms)
*bms = '\0';
else
break;
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++bms;
++i;
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}
}
/*
* 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
*/
static char *
get_bm_loc(char *key, char *buf)
{
int r;
if (!key || !key[0])
return NULL;
for (r = 0; bookmark[r].key && r < BM_MAX; ++r) {
if (xstrcmp(bookmark[r].key, key) == 0) {
if (bookmark[r].loc[0] == '~') {
char *home = getenv("HOME");
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if (!home) {
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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;
}
static void
resetdircolor(mode_t mode)
{
if (cfg.dircolor && !S_ISDIR(mode)) {
attroff(COLOR_PAIR(1) | A_BOLD);
cfg.dircolor = 0;
}
}
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/*
* Replace escape characters in a string with '?'
* Adjust string length to maxcols if > 0;
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*
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.
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*/
static char *
unescape(const char *str, uint maxcols)
{
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static wchar_t wbuf[PATH_MAX] __attribute__ ((aligned));
static wchar_t *buf;
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static size_t len;
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/* Convert multi-byte to wide char */
len = mbstowcs(wbuf, str, PATH_MAX);
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g_buf[0] = '\0';
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buf = wbuf;
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if (maxcols && len > maxcols) {
len = wcswidth(wbuf, len);
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if (len > maxcols)
wbuf[maxcols] = 0;
}
while (*buf) {
if (*buf <= '\x1f' || *buf == '\x7f')
*buf = '\?';
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++buf;
}
/* Convert wide char to multi-byte */
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wcstombs(g_buf, wbuf, PATH_MAX);
return g_buf;
}
static char *
coolsize(off_t size)
{
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static const char * const U = "BKMGTPEZY";
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static char size_buf[12]; /* Buffer to hold human readable size */
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static int i;
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2017-04-10 12:47:12 +00:00
static long double rem;
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static const double div_2_pow_10 = 1.0 / 1024.0;
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i = 0;
rem = 0;
while (size > 1024) {
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rem = size & (0x3FF); /* 1024 - 1 = 0x3FF */
size >>= 10;
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++i;
}
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snprintf(size_buf, 12, "%.*Lf%c", i, size + rem * div_2_pow_10, U[i]);
return size_buf;
}
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;
}
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static void
printent(struct entry *ent, int sel, uint namecols)
{
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));
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}
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static void
printent_long(struct entry *ent, int sel, uint namecols)
{
static char buf[18], *pname;
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2018-01-14 07:13:20 +00:00
strftime(buf, 18, "%F %R", localtime(&ent->t));
pname = unescape(ent->name, namecols);
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/* Directories are always shown on top */
resetdircolor(ent->mode);
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if (sel)
attron(A_REVERSE);
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if (S_ISDIR(ent->mode)) {
if (cfg.blkorder)
printw("%s%-16.16s %8.8s/ %s/\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
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else
printw("%s%-16.16s / %s/\n", CURSYM(sel), buf, pname);
} else if (S_ISLNK(ent->mode))
printw("%s%-16.16s @ %s@\n", CURSYM(sel), buf, pname);
else if (S_ISSOCK(ent->mode))
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)
printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
else
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printw("%s%-16.16s %8.8s* %s*\n", CURSYM(sel), buf, coolsize(ent->size), pname);
} else {
if (cfg.blkorder)
printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->blocks << 9), pname);
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else
printw("%s%-16.16s %8.8s %s\n", CURSYM(sel), buf, coolsize(ent->size), pname);
}
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if (sel)
attroff(A_REVERSE);
}
static void (*printptr)(struct entry *ent, int sel, uint namecols) = &printent_long;
static char
get_fileind(mode_t mode, char *desc)
{
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static char c;
if (S_ISREG(mode)) {
c = '-';
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xstrlcpy(desc, "regular file", DESCRIPTOR_LEN);
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if (mode & 0100)
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xstrlcpy(desc + 12, ", executable", DESCRIPTOR_LEN - 12); /* Length of string "regular file" is 12 */
} else if (S_ISDIR(mode)) {
c = 'd';
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xstrlcpy(desc, "directory", DESCRIPTOR_LEN);
} else if (S_ISBLK(mode)) {
c = 'b';
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xstrlcpy(desc, "block special device", DESCRIPTOR_LEN);
} else if (S_ISCHR(mode)) {
c = 'c';
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xstrlcpy(desc, "character special device", DESCRIPTOR_LEN);
#ifdef S_ISFIFO
} else if (S_ISFIFO(mode)) {
c = 'p';
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xstrlcpy(desc, "FIFO", DESCRIPTOR_LEN);
#endif /* S_ISFIFO */
#ifdef S_ISLNK
} else if (S_ISLNK(mode)) {
c = 'l';
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xstrlcpy(desc, "symbolic link", DESCRIPTOR_LEN);
#endif /* S_ISLNK */
#ifdef S_ISSOCK
} else if (S_ISSOCK(mode)) {
c = 's';
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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';
}
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return c;
}
/* Convert a mode field into "ls -l" type perms field. */
static char *
get_lsperms(mode_t mode, char *desc)
{
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static const char * const rwx[] = {"---", "--x", "-w-", "-wx", "r--", "r-x", "rw-", "rwx"};
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static char bits[11] = {'\0'};
bits[0] = get_fileind(mode, desc);
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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)
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bits[3] = (mode & 0100) ? 's' : 'S'; /* user executable */
if (mode & S_ISGID)
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bits[6] = (mode & 0010) ? 's' : 'l'; /* group executable */
if (mode & S_ISVTX)
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bits[9] = (mode & 0001) ? 't' : 'T'; /* others executable */
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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
*/
2017-04-10 12:47:12 +00:00
static char *
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get_output(char *buf, size_t bytes, char *file, char *arg1, char *arg2, int pager)
{
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pid_t pid;
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int pipefd[2];
2017-06-15 14:04:56 +00:00
FILE *pf;
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int tmp, flags;
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char *ret = NULL;
if (pipe(pipefd) == -1)
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errexit();
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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);
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close(pipefd[1]);
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execlp(file, file, arg1, arg2, NULL);
_exit(1);
}
/* In parent */
2017-07-02 15:02:38 +00:00
waitpid(pid, &tmp, 0);
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close(pipefd[1]);
2017-07-02 15:02:38 +00:00
2017-05-15 12:52:00 +00:00
if (!pager) {
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pf = fdopen(pipefd[0], "r");
if (pf) {
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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);
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close(pipefd[0]);
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execlp("less", "less", NULL);
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_exit(1);
}
2017-05-15 12:52:00 +00:00
/* In parent */
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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;
}
/*
* Follows the stat(1) output closely
*/
2017-04-22 10:20:36 +00:00
static int
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show_stats(char *fpath, char *fname, struct stat *sb)
{
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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;
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char tmp[] = "/tmp/nnnXXXXXX";
int fd = mkstemp(tmp);
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);
2017-06-15 14:04:56 +00:00
if (len != -1) {
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.
*/
2018-01-04 12:40:59 +00:00
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
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dprintf(fd, "\n Size: %-15ld Blocks: %-10ld IO Block: %-6ld %s",
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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__)
sprintf(g_buf, "%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
2017-12-26 19:02:26 +00:00
sprintf(g_buf, "%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, (getpwuid(sb->st_uid))->pw_name, sb->st_gid, (getgrgid(sb->st_gid))->gr_name);
/* 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) {
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dprintf(fd, "\n\n ");
while (*p) {
if (*p == ',') {
*p = '\0';
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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();
2017-05-15 12:52:00 +00:00
get_output(NULL, 0, "cat", tmp, NULL, 1);
2017-04-22 10:20:36 +00:00
unlink(tmp);
refresh();
2017-05-15 12:52:00 +00:00
return 0;
}
2017-08-24 12:20:00 +00:00
static size_t
2017-12-24 15:33:23 +00:00
get_fs_free(const char *path)
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;
else
2017-12-26 19:58:01 +00:00
return svb.f_bavail << ffs(svb.f_frsize >> 1);
2017-08-24 12:20:00 +00:00
}
static size_t
2017-12-24 15:33:23 +00:00
get_fs_capacity(const char *path)
2017-08-24 12:20:00 +00:00
{
struct statvfs svb;
if (statvfs(path, &svb) == -1)
return 0;
2017-08-11 20:12:55 +00:00
else
2017-12-26 19:58:01 +00:00
return svb.f_blocks << ffs(svb.f_bsize >> 1);
2017-08-11 20:12:55 +00:00
}
2017-04-21 18:26:48 +00:00
static int
2017-06-15 14:04:56 +00:00
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
}
2017-09-27 14:49:42 +00:00
static int
handle_archive(char *fpath, char *arg, char *dir)
{
if (!get_output(g_buf, MAX_CMD_LEN, "which", utils[4], NULL, 0))
return -1;
if (arg[1] == 'x')
spawn(utils[4], arg, fpath, dir, F_NORMAL);
else {
exitcurses();
get_output(NULL, 0, utils[4], 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.
*/
2017-04-22 07:20:02 +00:00
static int
2017-08-11 20:12:55 +00:00
show_help(char *path)
2017-04-03 17:03:46 +00:00
{
2017-06-11 13:54:02 +00:00
char tmp[] = "/tmp/nnnXXXXXX";
2017-06-15 14:04:56 +00:00
int i = 0, fd = mkstemp(tmp);
2017-08-20 16:10:52 +00:00
char *start, *end;
static char helpstr[] = (
2017-12-27 20:17:44 +00:00
"cKey | Function\n"
"e- + -\n"
2017-08-20 16:10:52 +00:00
"7↑, k, ^P | Previous entry\n"
"7↓, j, ^N | Next entry\n"
"7PgUp, ^U | Scroll half page up\n"
"7PgDn, ^D | Scroll half page down\n"
2017-12-24 13:16:56 +00:00
"1Home, g, ^, ^A | First entry\n"
"2End, G, $, ^E | Last entry\n"
2017-08-20 16:10:52 +00:00
"4→, ↵, l, ^M | Open file or enter dir\n"
"1←, Bksp, h, ^H | Go to parent dir\n"
2017-12-27 20:17:44 +00:00
"d^O | Open with...\n"
"9Insert | Toggle navigate-as-you-type\n"
"e~ | Go HOME\n"
"e& | Go to initial dir\n"
"e- | Go to last visited dir\n"
"e/ | Filter dir contents\n"
"d^/ | Open desktop search tool\n"
"e. | Toggle hide . files\n"
"d^B | Bookmark prompt\n"
2018-01-17 14:02:22 +00:00
"eb | Pin current dir\n"
2017-12-27 20:17:44 +00:00
"d^V | Go to pinned dir\n"
"ec | Change dir prompt\n"
"ed | Toggle detail view\n"
"eD | File details\n"
"em | Brief media info\n"
"eM | Full media info\n"
"en | Create new\n"
"d^R | Rename entry\n"
"es | Toggle sort by size\n"
"aS, ^J | Toggle du mode\n"
2017-12-27 20:17:44 +00:00
"et | Toggle sort by mtime\n"
"e! | Spawn SHELL in dir\n"
"ee | Edit entry in EDITOR\n"
"eo | Open dir in file manager\n"
"ep | Open entry in PAGER\n"
"eF | List archive\n"
"d^F | Extract archive\n"
2017-12-27 20:17:44 +00:00
"d^K | Invoke file path copier\n"
"d^Y | Toggle multi-copy mode\n"
2018-01-28 06:03:12 +00:00
"d^T | Toggle path quote\n"
2017-12-27 20:17:44 +00:00
"d^L | Redraw, clear prompt\n"
"e? | Help, settings\n"
"eQ | Quit and cd\n"
"aq, ^X | Quit\n\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;
}
dprintf(fd, "\n");
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)
2017-10-15 23:54:56 +00:00
dprintf(fd, " %s: %s\n", 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 (desktop_manager)
dprintf(fd, "NNN_DE_FILE_MANAGER: %s\n", desktop_manager);
if (idletimeout)
dprintf(fd, "NNN_IDLE_TIMEOUT: %d secs\n", idletimeout);
if (copier)
dprintf(fd, "NNN_COPIER: %s\n", copier);
2017-04-21 18:26:48 +00:00
2017-08-24 12:20:00 +00:00
dprintf(fd, "\nVolume: %s of ", coolsize(get_fs_free(path)));
dprintf(fd, "%s free\n", coolsize(get_fs_capacity(path)));
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();
2017-06-11 13:54:02 +00:00
get_output(NULL, 0, "cat", tmp, NULL, 1);
unlink(tmp);
refresh();
2017-06-11 13:54:02 +00:00
return 0;
2017-04-03 17:03:46 +00:00
}
static int
2017-06-15 14:04:56 +00:00
sum_bsizes(const char *fpath, const struct stat *sb,
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;
}
2017-04-01 09:11:07 +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);
2017-08-22 17:04:17 +00:00
if (nftw(g_buf, sum_bsizes, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_NFTWFAIL_ID]);
2017-08-22 16:01:06 +00:00
dir_blocks += sb.st_blocks;
} else
dir_blocks += ent_blocks;
}
2017-06-22 04:09:17 +00:00
} else {
if (sb.st_blocks)
dir_blocks += sb.st_blocks;
++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) {
if (pnamebuf)
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
2017-08-22 17:04:17 +00:00
if (nftw(g_buf, sum_bsizes, open_max, FTW_MOUNT | FTW_PHYS) == -1) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_NFTWFAIL_ID]);
2017-07-05 16:38:13 +00:00
dentp->blocks = 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 {
2017-07-05 16:38:13 +00:00
dentp->blocks = 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;
}
}
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) {
if (*dents) {
free(pnamebuf);
free(*dents);
}
2017-08-24 16:56:46 +00:00
errexit();
}
2014-10-22 15:21:50 +00:00
return n;
}
2017-04-01 09:11:07 +00:00
static void
dentfree(struct entry *dents)
2014-10-22 15:21:50 +00:00
{
free(pnamebuf);
2014-10-22 15:21:50 +00:00
free(dents);
}
/* Return the position of the matching entry or 0 otherwise */
2017-04-01 09:11:07 +00:00
static int
2017-12-24 17:53:52 +00:00
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)
2017-12-24 17:53:52 +00:00
if (xstrcmp(fname, dents[i].name) == 0)
return i;
2017-04-02 08:48:54 +00:00
return 0;
}
2017-04-01 09:11:07 +00:00
static int
2017-12-24 17:53:52 +00:00
populate(char *path, char *oldname, 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);
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 */
2017-12-24 17:53:52 +00:00
cur = dentfind(dents, oldname, ndents);
regfree(&re);
return 0;
}
2014-10-07 11:23:44 +00:00
2017-04-01 09:11:07 +00:00
static void
redraw(char *path)
{
2017-12-30 08:24:49 +00:00
static char buf[(NAME_MAX + 1) << 1] __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);
/* Clean 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
/* Fail redraw if < than 10 columns */
if (COLS < 10) {
2018-01-14 04:48:53 +00:00
printmsg("too few columns!");
return;
}
/* Strip trailing slashes */
for (i = xstrlen(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;
/* No text wrapping in cwd line */
/* Show CWD: - xstrlen(CWD) - 1 = 6 */
g_buf[ncols - 6] = '\0';
printw(CWD "%s\n\n", g_buf);
/* 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)
sprintf(buf, "%d/%d %s[%s%s]", cur + 1, ndents, sort, unescape(dents[cur].name, 0), get_file_sym(dents[cur].mode));
else {
2017-12-19 18:03:27 +00:00
i = sprintf(buf, "%d/%d du: %s (%lu files) ", cur + 1, ndents, coolsize(dir_blocks << 9), num_files);
sprintf(buf + i, "vol: %s free [%s%s]",
coolsize(get_fs_free(path)), unescape(dents[cur].name, 0), 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;
}
}
2017-04-01 09:11:07 +00:00
static void
browse(char *ipath, char *ifilter)
{
2017-12-30 08:24:49 +00:00
static char path[PATH_MAX] __attribute__ ((aligned));
static char newpath[PATH_MAX] __attribute__ ((aligned));
static char lastdir[PATH_MAX] __attribute__ ((aligned));
static char mark[PATH_MAX] __attribute__ ((aligned));
static char fltr[NAME_MAX + 1] __attribute__ ((aligned));
static char oldname[NAME_MAX + 1] __attribute__ ((aligned));
2017-12-21 19:28:02 +00:00
char *dir, *tmp, *run = NULL, *env = NULL;
struct stat sb;
int r, fd, presel, copystartid = 0, copyendid = 0;
enum action sel = SEL_RUNARG + 1;
bool dir_changed = FALSE;
2017-04-29 05:32:12 +00:00
xstrlcpy(path, ipath, PATH_MAX);
copyfilter();
2017-12-24 17:53:52 +00:00
oldname[0] = newpath[0] = lastdir[0] = mark[0] = '\0';
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
if (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)
if (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
2017-12-24 17:53:52 +00:00
if (populate(path, oldname, fltr) == -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)) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_ATROOT_ID]);
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 */
2017-12-24 17:53:52 +00:00
xstrlcpy(oldname, xbasename(path), NAME_MAX + 1);
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
dir_changed = TRUE;
2017-04-29 05:32:12 +00:00
xstrlcpy(path, dir, PATH_MAX);
/* Reset filter */
copyfilter();
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
goto begin;
case SEL_GOIN:
2014-10-07 14:07:56 +00:00
/* Cannot descend in empty directories */
if (ndents == 0)
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);
dir_changed = TRUE;
2017-04-29 05:32:12 +00:00
xstrlcpy(path, newpath, PATH_MAX);
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
/* Reset filter */
copyfilter();
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
goto begin;
2014-10-22 15:50:30 +00:00
case S_IFREG:
2017-04-01 07:26:25 +00:00
{
2017-06-15 14:04:56 +00:00
/* 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)) {
2017-08-22 17:04:17 +00:00
spawn(editor, newpath, NULL, NULL, 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) {
2017-08-22 17:04:17 +00:00
spawn(editor, newpath, NULL, NULL, F_NORMAL);
continue;
}
2014-10-07 06:05:30 +00:00
}
/* Invoke desktop opener as last resort */
spawn(utils[2], newpath, NULL, NULL, nowait);
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_CD:
{
2017-08-23 12:43:22 +00:00
char *input;
int truecd;
/* Save the program start dir */
tmp = getcwd(newpath, PATH_MAX);
if (tmp == NULL) {
printwarn();
goto nochange;
}
/* Switch to current path for readline(3) */
if (chdir(path) == -1) {
printwarn();
goto nochange;
}
2017-04-05 04:55:59 +00:00
exitcurses();
tmp = readline("chdir: ");
refresh();
2017-04-20 16:27:24 +00:00
/* Change back to program start dir */
if (chdir(newpath) == -1)
printwarn();
2017-04-20 16:27:24 +00:00
if (tmp[0] == '\0')
2017-04-21 18:26:48 +00:00
break;
2017-06-15 14:04:56 +00:00
/* Add to readline(3) history */
add_history(tmp);
input = tmp;
tmp = strstrip(tmp);
2017-04-20 16:27:24 +00:00
if (tmp[0] == '\0') {
free(input);
2017-04-21 18:26:48 +00:00
break;
2017-04-20 16:27:24 +00:00
}
truecd = 0;
2017-04-05 04:55:59 +00:00
if (tmp[0] == '~') {
/* Expand ~ to HOME absolute path */
2017-04-05 04:55:59 +00:00
char *home = getenv("HOME");
2017-06-15 14:04:56 +00:00
2017-04-05 04:55:59 +00:00
if (home)
2017-08-22 17:04:17 +00:00
snprintf(newpath, PATH_MAX, "%s%s", home, tmp + 1);
else {
free(input);
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_NOHOME_ID]);
2017-06-11 04:15:50 +00:00
goto nochange;
}
2017-04-20 16:27:24 +00:00
} else if (tmp[0] == '-' && tmp[1] == '\0') {
if (lastdir[0] == '\0') {
free(input);
break;
}
2017-04-24 13:23:03 +00:00
/* Switch to last visited dir */
2017-04-29 05:32:12 +00:00
xstrlcpy(newpath, lastdir, PATH_MAX);
truecd = 1;
2017-04-24 13:23:03 +00:00
} else if ((r = all_dots(tmp))) {
if (r == 1) {
/* Always in the current dir */
2017-04-20 16:27:24 +00:00
free(input);
2017-04-24 13:23:03 +00:00
break;
2017-04-20 16:27:24 +00:00
}
2017-04-24 13:23:03 +00:00
2017-07-02 10:42:30 +00:00
/* Show a message if already at / */
2017-07-05 16:38:13 +00:00
if (istopdir(path)) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_ATROOT_ID]);
2017-07-02 10:42:30 +00:00
free(input);
goto nochange;
}
--r; /* One . for the current dir */
2017-04-24 13:23:03 +00:00
dir = path;
2017-07-02 10:42:30 +00:00
/* Note: fd is used as a tmp variable here */
2017-06-17 06:58:21 +00:00
for (fd = 0; fd < r; ++fd) {
/* Reached / ? */
2017-07-05 16:38:13 +00:00
if (istopdir(path)) {
2017-07-02 10:42:30 +00:00
/* Can't cd beyond / */
2017-04-24 13:23:03 +00:00
break;
2017-06-15 14:04:56 +00:00
}
dir = xdirname(dir);
if (access(dir, R_OK) == -1) {
2017-06-15 14:04:56 +00:00
printwarn();
free(input);
goto nochange;
2017-04-24 13:23:03 +00:00
}
2017-04-20 16:27:24 +00:00
}
truecd = 1;
/* Save the path in case of cd ..
2017-06-15 14:04:56 +00:00
* We mark the current dir in parent dir
*/
if (r == 1) {
2017-12-24 17:53:52 +00:00
xstrlcpy(oldname, xbasename(path), NAME_MAX + 1);
truecd = 2;
}
2017-04-29 05:32:12 +00:00
xstrlcpy(newpath, dir, PATH_MAX);
} else
2017-04-29 05:32:12 +00:00
mkpath(path, tmp, newpath, PATH_MAX);
2017-04-05 04:55:59 +00:00
2017-06-15 14:04:56 +00:00
free(input);
2017-08-23 12:43:22 +00:00
if (!xdiraccess(newpath))
goto nochange;
if (truecd == 0) {
/* Probable change in dir */
/* No-op if it's the same directory */
if (xstrcmp(path, newpath) == 0)
break;
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
} else if (truecd == 1)
/* Sure change in dir */
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
dir_changed = TRUE;
/* Save the newly opted dir in path */
2017-04-29 05:32:12 +00:00
xstrlcpy(path, newpath, PATH_MAX);
/* Reset filter */
copyfilter();
2014-10-22 15:56:31 +00:00
DPRINTF_S(path);
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
goto begin;
}
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;
2017-12-21 19:28:02 +00:00
if (!xdiraccess(dir)) {
goto nochange;
}
2017-12-21 19:28:02 +00:00
if (xstrcmp(path, dir) == 0) {
break;
}
/* Save last working directory */
2017-04-29 05:32:12 +00:00
xstrlcpy(lastdir, path, PATH_MAX);
dir_changed = TRUE;
2017-12-21 19:28:02 +00:00
xstrlcpy(path, dir, PATH_MAX);
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
/* Reset filter */
copyfilter();
DPRINTF_S(path);
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
goto begin;
case SEL_CDLAST: // fallthrough
case SEL_VISIT:
if (sel == SEL_VISIT) {
if (xstrcmp(mark, path) == 0)
break;
tmp = mark;
} else
tmp = lastdir;
if (tmp[0] == '\0') {
2018-01-14 04:48:53 +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);
dir_changed = TRUE;
2017-04-29 05:32:12 +00:00
xstrlcpy(path, newpath, PATH_MAX);
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
/* Reset filter */
copyfilter();
DPRINTF_S(path);
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
2017-06-11 04:15:50 +00:00
presel = FILTER;
goto begin;
case SEL_CDBM:
printprompt("key: ");
tmp = readinput();
clearprompt();
2017-07-02 10:42:30 +00:00
if (tmp == NULL)
2017-08-22 19:16:58 +00:00
break;
2017-06-11 04:15:50 +00:00
if (get_bm_loc(tmp, newpath) == NULL) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_INVBM_ID]);
goto nochange;
}
2017-06-11 04:15:50 +00:00
if (!xdiraccess(newpath))
goto nochange;
2017-07-02 10:42:30 +00:00
if (xstrcmp(path, newpath) == 0)
2017-07-02 10:42:30 +00:00
break;
2017-06-11 04:15:50 +00:00
2017-12-24 17:53:52 +00:00
oldname[0] = '\0';
2017-06-11 04:15:50 +00:00
/* Save last working directory */
xstrlcpy(lastdir, path, PATH_MAX);
dir_changed = TRUE;
2017-06-11 04:15:50 +00:00
/* Save the newly opted dir in path */
xstrlcpy(path, newpath, PATH_MAX);
/* Reset filter */
copyfilter();
2017-06-11 04:15:50 +00:00
DPRINTF_S(path);
2017-06-20 14:58:53 +00:00
if (cfg.filtermode)
presel = FILTER;
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);
copyfilter();
2017-12-12 20:16:50 +00:00
DPRINTF_S(fltr);
/* Save current */
if (ndents > 0)
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;
if (cfg.filtermode)
presel = FILTER;
else {
/* Save current */
if (ndents > 0)
copycurname();
/* Start watching the directory */
goto begin;
}
2017-12-12 20:16:50 +00:00
goto nochange;
case SEL_SEARCH:
spawn(player, path, "search", NULL, F_NORMAL);
break;
case SEL_TOGGLEDOT:
2017-06-20 14:58:53 +00:00
cfg.showhidden ^= 1;
initfilter(cfg.showhidden, &ifilter);
copyfilter();
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 > 0)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_STATS:
2017-05-15 12:52:00 +00:00
if (ndents > 0) {
2017-12-24 17:53:52 +00:00
mkpath(path, dents[cur].name, newpath, PATH_MAX);
2017-12-24 17:53:52 +00:00
if (lstat(newpath, &sb) == -1) {
2017-05-15 12:52:00 +00:00
if (dents)
dentfree(dents);
2017-08-24 16:56:46 +00:00
errexit();
2017-05-15 12:52:00 +00:00
} else {
2017-12-24 17:53:52 +00:00
if (show_stats(newpath, dents[cur].name, &sb) < 0) {
2017-08-22 19:16:58 +00:00
printwarn();
2017-05-15 12:52:00 +00:00
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:
2017-05-15 12:52:00 +00:00
if (ndents > 0) {
2017-12-24 17:53:52 +00:00
mkpath(path, dents[cur].name, newpath, PATH_MAX);
2017-04-21 18:26:48 +00:00
2017-09-27 14:49:42 +00:00
if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
2017-12-24 17:53:52 +00:00
r = show_mediainfo(newpath, run);
2017-09-27 14:49:42 +00:00
else
2017-12-24 17:53:52 +00:00
r = handle_archive(newpath, run, path);
2017-09-27 14:49:42 +00:00
if (r == -1) {
2017-12-24 18:58:12 +00:00
xstrlcpy(newpath, "missing ", PATH_MAX);
2017-09-27 14:49:42 +00:00
if (sel == SEL_MEDIA || sel == SEL_FMEDIA)
2017-12-24 18:58:12 +00:00
xstrlcpy(newpath + 8, utils[cfg.metaviewer], 32);
else
2017-12-24 18:58:12 +00:00
xstrlcpy(newpath + 8, utils[4], 32);
2017-09-27 14:49:42 +00:00
2017-12-24 18:58:12 +00:00
printmsg(newpath);
2017-05-15 12:52:00 +00:00
goto nochange;
}
2017-04-22 07:20:02 +00:00
}
break;
case SEL_DFB:
2017-04-22 07:20:02 +00:00
if (!desktop_manager) {
2018-01-14 04:48:53 +00:00
printmsg("set NNN_DE_FILE_MANAGER");
goto nochange;
2017-04-22 07:20:02 +00:00
}
2017-08-22 17:04:17 +00:00
spawn(desktop_manager, path, NULL, path, F_NOTRACE | F_NOWAIT);
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;
cfg.blkorder = 0;
cfg.copymode = 0;
/* Save current */
if (ndents > 0)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_BSIZE:
cfg.blkorder ^= 1;
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 > 0)
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;
cfg.blkorder = 0;
cfg.copymode = 0;
/* Save current */
if (ndents > 0)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_REDRAW:
/* Save current */
if (ndents > 0)
2017-12-24 17:53:52 +00:00
copycurname();
goto begin;
case SEL_COPY:
if (copier && ndents) {
if (cfg.copymode) {
2018-01-28 06:34:56 +00:00
r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
if (!appendfilepath(newpath, r))
goto nochange;
2018-01-28 06:34:56 +00:00
printmsg(newpath);
} else if (cfg.quote) {
g_buf[0] = '\'';
r = mkpath(path, dents[cur].name, g_buf + 1, PATH_MAX);
g_buf[r] = '\'';
g_buf[r + 1] = '\0';
if (cfg.noxdisplay)
writecp(g_buf, r + 1); /* Truncate NULL from end */
else
spawn(copier, g_buf, NULL, NULL, F_NONE);
2018-01-29 15:19:38 +00:00
g_buf[r] = '\0';
printmsg(g_buf + 1);
2018-01-28 06:34:56 +00:00
} else {
r = mkpath(path, dents[cur].name, newpath, PATH_MAX);
if (cfg.noxdisplay)
writecp(newpath, r - 1); /* Truncate NULL from end */
else
spawn(copier, newpath, NULL, NULL, F_NONE);
2018-01-28 06:34:56 +00:00
printmsg(newpath);
}
} else if (!copier)
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_COPY_ID]);
goto nochange;
case SEL_COPYMUL:
if (!copier) {
2018-01-14 06:41:46 +00:00
printmsg(messages[STR_COPY_ID]);
goto nochange;
} else if (!ndents) {
goto nochange;
}
cfg.copymode ^= 1;
if (cfg.copymode) {
g_crc = crc8fast((uchar *)dents, ndents * sizeof(struct entry));
copystartid = cur;
copybufpos = 0;
2018-02-04 17:24:58 +00:00
printmsg("multi-copy on");
DPRINTF_S("copymode on");
} else {
static size_t len;
len = 0;
/* Handle range selection */
if (copybufpos == 0) {
if (cur < copystartid) {
copyendid = copystartid;
copystartid = cur;
} else
copyendid = cur;
if (copystartid < copyendid) {
for (r = copystartid; r <= copyendid; ++r) {
len = mkpath(path, dents[r].name, newpath, PATH_MAX);
if (!appendfilepath(newpath, len))
goto nochange;;
}
sprintf(newpath, "%d files copied", copyendid - copystartid + 1);
printmsg(newpath);
}
}
if (copybufpos) {
if (cfg.noxdisplay)
writecp(pcopybuf, copybufpos - 1); /* Truncate NULL from end */
else
spawn(copier, pcopybuf, NULL, NULL, F_NONE);
DPRINTF_S(pcopybuf);
if (!len)
printmsg("files copied");
2018-01-28 07:14:29 +00:00
} else
2018-02-04 17:24:58 +00:00
printmsg("multi-copy off");
}
goto nochange;
2018-01-28 06:03:12 +00:00
case SEL_QUOTE:
cfg.quote ^= 1;
DPRINTF_D(cfg.quote);
if (cfg.quote)
printmsg("quotes on");
else
printmsg("quotes off");
goto nochange;
2017-12-25 10:25:53 +00:00
case SEL_OPEN:
printprompt("open with: "); // fallthrough
2017-09-10 07:35:25 +00:00
case SEL_NEW:
2017-12-25 10:25:53 +00:00
if (sel == SEL_NEW)
printprompt("name: ");
2017-09-10 07:35:25 +00:00
tmp = xreadline(NULL);
clearprompt();
if (tmp == NULL || tmp[0] == '\0')
break;
/* Allow only relative, same dir paths */
2017-12-24 17:53:52 +00:00
if (tmp[0] == '/' || xstrcmp(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) {
2018-01-14 04:48:53 +00:00
printprompt("press 'c' for cli mode");
2017-12-25 10:25:53 +00:00
cleartimeout();
r = getch();
settimeout();
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);
continue;
}
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 */
2018-01-14 06:41:46 +00:00
printprompt("press 'f'(ile) or 'd'(ir)");
2017-09-10 07:35:25 +00:00
cleartimeout();
r = getch();
settimeout();
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);
2017-12-24 17:53:52 +00:00
xstrlcpy(oldname, 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 <= 0)
break;
printprompt("");
2017-08-24 01:34:56 +00:00
tmp = xreadline(dents[cur].name);
2017-08-22 19:16:58 +00:00
clearprompt();
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 */
2017-12-24 17:53:52 +00:00
if (tmp[0] == '/' || xstrcmp(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 (xstrcmp(tmp, dents[cur].name) == 0)
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 */
2018-01-14 04:48:53 +00:00
printprompt("press 'y' to overwrite");
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cleartimeout();
r = getch();
settimeout();
if (r != 'y') {
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close(fd);
break;
}
}
/* Rename the file */
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if (renameat(fd, dents[cur].name, fd, tmp) != 0) {
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printwarn();
close(fd);
goto nochange;
}
close(fd);
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xstrlcpy(oldname, tmp, NAME_MAX + 1);
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goto begin;
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case SEL_HELP:
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show_help(path);
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break;
case SEL_RUN:
run = xgetenv(env, run);
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spawn(run, NULL, NULL, path, F_NORMAL | F_MARKER);
/* Repopulate as directory content may have changed */
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/* Save current */
if (ndents > 0)
copycurname();
goto begin;
case SEL_RUNARG:
run = xgetenv(env, run);
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spawn(run, dents[cur].name, NULL, path, F_NORMAL);
break;
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case SEL_CDQUIT:
{
char *tmpfile = "/tmp/nnn";
tmp = getenv("NNN_TMPFILE");
if (tmp)
tmpfile = tmp;
FILE *fp = fopen(tmpfile, "w");
if (fp) {
fprintf(fp, "cd \"%s\"", path);
fclose(fp);
}
/* Fall through to exit */
} // fallthrough
case SEL_QUIT:
dentfree(dents);
return;
}
/* Screensaver */
if (idletimeout != 0 && idle == idletimeout) {
idle = 0;
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spawn(player, "", "screensaver", NULL, F_NORMAL | F_SIGINT);
}
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}
}
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static void
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usage(void)
2015-11-26 16:00:26 +00:00
{
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printf("usage: nnn [-b key] [-c N] [-e] [-i] [-l]\n\
[-p nlay] [-S] [-v] [-h] [PATH]\n\n\
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The missing terminal file browser for X.\n\n\
positional arguments:\n\
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PATH start dir [default: current dir]\n\n\
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optional arguments:\n\
-b key specify bookmark key to open\n\
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-c N specify dir color, disables if N>7\n\
-e use exiftool instead of mediainfo\n\
-i start in navigate-as-you-type mode\n\
-l start in light mode (fewer details)\n\
-p nlay path to custom nlay\n\
-S start in disk usage analyzer mode\n\
-v show program version and exit\n\
-h show this help and exit\n\n\
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Version: %s\n%s\n", VERSION, GENERAL_INFO);
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exit(0);
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}
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int
main(int argc, char *argv[])
{
2017-12-30 08:24:49 +00:00
static char cwd[PATH_MAX] __attribute__ ((aligned));
char *ipath = NULL, *ifilter, *bmstr;
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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
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;
break;
case 'l':
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cfg.showdetail = 0;
printptr = &printent;
2017-04-01 05:18:18 +00:00
break;
case 'i':
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cfg.filtermode = 1;
break;
case 'b':
ipath = optarg;
break;
2017-07-02 20:56:47 +00:00
case 'c':
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if (atoi(optarg) > 7)
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cfg.showcolor = 0;
else
cfg.color = (uchar)atoi(optarg);
break;
2017-07-02 18:27:41 +00:00
case 'e':
cfg.metaviewer = 1;
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break;
case 'p':
player = optarg;
break;
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case 'v':
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printf("%s\n", VERSION);
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return 0;
case 'h': // fallthrough
2017-04-01 05:18:18 +00:00
default:
usage();
}
2017-04-01 05:18:18 +00:00
}
/* Parse bookmarks string, if available */
bmstr = getenv("NNN_BMS");
if (bmstr)
parsebmstr(bmstr);
if (ipath) { /* Open a bookmark directly */
if (get_bm_loc(ipath, cwd) == NULL) {
2018-01-14 06:41:46 +00:00
fprintf(stderr, "%s\n", messages[STR_INVBM_ID]);
exit(1);
}
ipath = cwd;
} else if (argc == optind) {
2017-04-01 05:18:18 +00:00
/* Start in the current directory */
2017-04-29 05:32:12 +00:00
ipath = getcwd(cwd, PATH_MAX);
if (ipath == NULL)
ipath = "/";
2017-04-01 05:18:18 +00:00
} 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();
2017-04-01 05:18:18 +00:00
if (getuid() == 0)
2017-06-20 14:58:53 +00:00
cfg.showhidden = 1;
initfilter(cfg.showhidden, &ifilter);
2017-04-01 05:18:18 +00:00
2017-08-20 20:48:14 +00:00
#ifdef LINUX_INOTIFY
/* Initialize inotify */
inotify_fd = inotify_init1(IN_NONBLOCK);
if (inotify_fd < 0) {
2017-12-24 15:52:54 +00:00
fprintf(stderr, "inotify init! %s\n", strerror(errno));
2017-08-20 20:48:14 +00:00
exit(1);
}
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
kq = kqueue();
if (kq < 0) {
2017-12-24 15:52:54 +00:00
fprintf(stderr, "kqueue init! %s\n", strerror(errno));
2017-08-21 16:33:26 +00:00
exit(1);
}
gtimeout.tv_sec = 0;
gtimeout.tv_nsec = 0;
2017-08-20 20:48:14 +00:00
#endif
/* Edit text in EDITOR, if opted */
if (getenv("NNN_USE_EDITOR"))
editor = xgetenv("EDITOR", "vi");
2016-08-21 08:18:19 +00:00
/* Set player if not set already */
if (!player)
player = utils[3];
2016-08-21 10:19:54 +00:00
/* Get the desktop file browser, if set */
desktop_manager = getenv("NNN_DE_FILE_MANAGER");
/* Get screensaver wait time, if set; copier used as tmp var */
copier = getenv("NNN_IDLE_TIMEOUT");
if (copier)
idletimeout = abs(atoi(copier));
/* Get the default copier, if set */
copier = getenv("NNN_COPIER");
/* Get nowait flag */
2017-09-19 14:25:02 +00:00
nowait |= getenv("NNN_NOWAIT") ? F_NOWAIT : 0;
2018-01-28 06:03:12 +00:00
/* Enable quotes if opted */
if (getenv("NNN_QUOTE_ON"))
cfg.quote = 1;
/* Check if X11 is available */
if (getenv("NNN_NO_X"))
cfg.noxdisplay = 1;
signal(SIGINT, SIG_IGN);
2014-10-07 06:05:30 +00:00
/* Test initial path */
2017-08-23 12:43:22 +00:00
if (!xdiraccess(ipath)) {
fprintf(stderr, "%s: %s\n", ipath, strerror(errno));
exit(1);
}
2014-10-07 06:05:30 +00:00
2017-06-25 04:33:30 +00:00
/* Set locale */
setlocale(LC_ALL, "");
crc8init();
#ifdef DEBUGMODE
enabledbg();
#endif
2014-10-07 11:37:23 +00:00
initcurses();
browse(ipath, ifilter);
exitcurses();
2017-08-20 20:48:14 +00:00
#ifdef LINUX_INOTIFY
/* Shutdown inotify */
if (inotify_wd >= 0)
inotify_rm_watch(inotify_fd, inotify_wd);
close(inotify_fd);
2017-08-21 16:33:26 +00:00
#elif defined(BSD_KQUEUE)
if (event_fd >= 0)
close(event_fd);
close(kq);
2017-08-20 20:48:14 +00:00
#endif
2017-08-21 16:33:26 +00:00
#ifdef DEBUGMODE
disabledbg();
#endif
exit(0);
2014-10-07 06:05:30 +00:00
}