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Arun Prakash Jana 2019-03-18 05:05:47 +05:30
parent 75c90dbdc6
commit eb7e14a964
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GPG key ID: A75979F35C080412
2 changed files with 126 additions and 100 deletions
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88
src/dbg.h Normal file
View file

@ -0,0 +1,88 @@
/*
* BSD 2-Clause License
*
* Copyright (C) 2014-2016, Lazaros Koromilas <lostd@2f30.org>
* Copyright (C) 2014-2016, Dimitris Papastamos <sin@2f30.org>
* Copyright (C) 2016-2019, Arun Prakash Jana <engineerarun@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#ifdef DBGMODE
static int DEBUG_FD;
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;
}
static int enabledbg()
{
FILE *fp = fopen("/tmp/nnndbg", "w");
if (!fp) {
perror("dbg(1)");
fp = fopen("./nnndbg", "w");
if (!fp) {
perror("dbg(2)");
return -1;
}
}
DEBUG_FD = dup(fileno(fp));
fclose(fp);
if (DEBUG_FD == -1) {
perror("dbg(3)");
return -1;
}
return 0;
}
static void disabledbg()
{
close(DEBUG_FD);
}
#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)
#else
#define DPRINTF_D(x)
#define DPRINTF_U(x)
#define DPRINTF_S(x)
#define DPRINTF_P(x)
#endif /* DBGMODE */

138
src/nnn.c
View file

@ -94,76 +94,17 @@
#include <ftw.h>
#include <wchar.h>
#ifndef S_BLKSIZE
#define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */
#endif
#include "nnn.h"
#ifdef DBGMODE
static int DEBUG_FD;
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;
}
static int
enabledbg()
{
FILE *fp = fopen("/tmp/nnndbg", "w");
if (!fp) {
perror("dbg(1)");
fp = fopen("./nnndbg", "w");
if (!fp) {
perror("dbg(2)");
return -1;
}
}
DEBUG_FD = dup(fileno(fp));
fclose(fp);
if (DEBUG_FD == -1) {
perror("dbg(3)");
return -1;
}
return 0;
}
static void
disabledbg()
{
close(DEBUG_FD);
}
#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)
#else
#define DPRINTF_D(x)
#define DPRINTF_U(x)
#define DPRINTF_S(x)
#define DPRINTF_P(x)
#endif /* DBGMODE */
#include "dbg.h"
/* Macro definitions */
#define VERSION "2.3"
#define GENERAL_INFO "BSD 2-Clause\nhttps://github.com/jarun/nnn"
#ifndef S_BLKSIZE
#define S_BLKSIZE 512 /* S_BLKSIZE is missing on Android NDK (Termux) */
#endif
#define LEN(x) (sizeof(x) / sizeof(*(x)))
#undef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
@ -227,30 +168,6 @@ disabledbg()
#define FREE 0
#define CAPACITY 1
/* Function macros */
#define exitcurses() endwin()
#define clearprompt() printmsg("")
#define printwarn() printmsg(strerror(errno))
#define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/')
#define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1)
#define settimeout() timeout(1000)
#define cleartimeout() timeout(-1)
#define errexit() printerr(__LINE__)
#define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE))
/* We don't care about the return value from strcmp() */
#define xstrcmp(a, b) (*(a) != *(b) ? -1 : strcmp((a), (b)))
/* A faster version of xisdigit */
#define xisdigit(c) ((unsigned int) (c) - '0' <= 9)
#define xerror() perror(xitoa(__LINE__))
#ifdef LINUX_INOTIFY
#define EVENT_SIZE (sizeof(struct inotify_event))
#define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16))
#elif defined(BSD_KQUEUE)
#define NUM_EVENT_SLOTS 1
#define NUM_EVENT_FDS 1
#endif
/* TYPE DEFINITIONS */
typedef unsigned long ulong;
typedef unsigned int uint;
@ -359,18 +276,6 @@ static char g_cppath[PATH_MAX] __attribute__ ((aligned));
/* Buffer to store tmp file path */
static char g_tmpfpath[HOME_LEN_MAX] __attribute__ ((aligned));
#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;
#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;
#endif
/* Replace-str for xargs on different platforms */
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#define REPLACE_STR 'J'
@ -495,6 +400,39 @@ static const char * const envs[] = {
"PAGER",
};
/* Event handling */
#ifdef LINUX_INOTIFY
#define EVENT_SIZE (sizeof(struct inotify_event))
#define EVENT_BUF_LEN (1024 * (EVENT_SIZE + 16))
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;
#elif defined(BSD_KQUEUE)
#define NUM_EVENT_SLOTS 1
#define NUM_EVENT_FDS 1
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;
#endif
/* Function macros */
#define exitcurses() endwin()
#define clearprompt() printmsg("")
#define printwarn() printmsg(strerror(errno))
#define istopdir(path) ((path)[1] == '\0' && (path)[0] == '/')
#define copycurname() xstrlcpy(lastname, dents[cur].name, NAME_MAX + 1)
#define settimeout() timeout(1000)
#define cleartimeout() timeout(-1)
#define errexit() printerr(__LINE__)
#define setdirwatch() (cfg.filtermode ? (presel = FILTER) : (dir_changed = TRUE))
/* We don't care about the return value from strcmp() */
#define xstrcmp(a, b) (*(a) != *(b) ? -1 : strcmp((a), (b)))
/* A faster version of xisdigit */
#define xisdigit(c) ((unsigned int) (c) - '0' <= 9)
#define xerror() perror(xitoa(__LINE__))
/* Forward declarations */
static void redraw(char *path);
static void spawn(char *file, char *arg1, char *arg2, const char *dir, uchar flag);