Return to osdep-cygwin.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / tmux

tmux 2.4

    1: /* $OpenBSD$ */
    2: 
    3: /*
    4:  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
    5:  *
    6:  * Permission to use, copy, modify, and distribute this software for any
    7:  * purpose with or without fee is hereby granted, provided that the above
    8:  * copyright notice and this permission notice appear in all copies.
    9:  *
   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14:  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
   15:  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
   16:  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17:  */
   18: 
   19: #include <sys/param.h>
   20: #include <sys/stat.h>
   21: 
   22: #include <event.h>
   23: #include <stdio.h>
   24: #include <stdlib.h>
   25: #include <unistd.h>
   26: 
   27: #include "tmux.h"
   28: 
   29: char *
   30: osdep_get_name(int fd, __unused char *tty)
   31: {
   32: 	FILE	*f;
   33: 	char	*path, *buf;
   34: 	size_t	 len;
   35: 	int	 ch;
   36: 	pid_t	 pgrp;
   37: 
   38: 	if ((pgrp = tcgetpgrp(fd)) == -1)
   39: 		return (NULL);
   40: 
   41: 	xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
   42: 	if ((f = fopen(path, "r")) == NULL) {
   43: 		free(path);
   44: 		return (NULL);
   45: 	}
   46: 	free(path);
   47: 
   48: 	len = 0;
   49: 	buf = NULL;
   50: 	while ((ch = fgetc(f)) != EOF) {
   51: 		if (ch == '\0')
   52: 			break;
   53: 		buf = xrealloc(buf, len + 2);
   54: 		buf[len++] = ch;
   55: 	}
   56: 	if (buf != NULL)
   57: 		buf[len] = '\0';
   58: 
   59: 	fclose(f);
   60: 	return (buf);
   61: }
   62: 
   63: char *
   64: osdep_get_cwd(int fd)
   65: {
   66: 	static char	 target[MAXPATHLEN + 1];
   67: 	char		*path;
   68: 	pid_t		 pgrp;
   69: 	ssize_t		 n;
   70: 
   71: 	if ((pgrp = tcgetpgrp(fd)) == -1)
   72: 		return (NULL);
   73: 
   74: 	xasprintf(&path, "/proc/%lld/cwd", (long long) pgrp);
   75: 	n = readlink(path, target, MAXPATHLEN);
   76: 	free(path);
   77: 	if (n > 0) {
   78: 		target[n] = '\0';
   79: 		return (target);
   80: 	}
   81: 	return (NULL);
   82: }
   83: 
   84: struct event_base *
   85: osdep_event_init(void)
   86: {
   87: 	return (event_init());
   88: }