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c1b9948525
default-path isn't empty, it is used. Otherwise: 1) If tmux neww is run from the command line, the working directory of the client is used. 2) Otherwise use some platform specific code to retrieve the current working directory of the process in the active pane. 3) If that fails, the directory where the session was created is used. Idea and support code, Linux, Solaris, FreeBSD bits by Romain Francoise, OpenBSD bits by me.
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/* $Id$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <event.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "tmux.h"
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char *
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osdep_get_name(int fd, unused char *tty)
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{
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FILE *f;
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char *path, *buf;
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size_t len;
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int ch;
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pid_t pgrp;
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if ((pgrp = tcgetpgrp(fd)) == -1)
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return (NULL);
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xasprintf(&path, "/proc/%lld/cmdline", (long long) pgrp);
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if ((f = fopen(path, "r")) == NULL) {
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xfree(path);
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return (NULL);
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}
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xfree(path);
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len = 0;
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buf = NULL;
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while ((ch = fgetc(f)) != EOF) {
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if (ch == '\0')
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break;
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buf = xrealloc(buf, 1, len + 2);
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buf[len++] = ch;
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}
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if (buf != NULL)
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buf[len] = '\0';
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fclose(f);
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return (buf);
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}
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char *
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osdep_get_cwd(pid_t pid)
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{
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static char target[MAXPATHLEN + 1];
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char *path;
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ssize_t n;
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xasprintf(&path, "/proc/%d/cwd", pid);
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n = readlink(path, target, MAXPATHLEN);
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xfree(path);
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if (n > 0) {
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target[n] = '\0';
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return (target);
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}
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return (NULL);
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}
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struct event_base *
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osdep_event_init(void)
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{
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/*
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* On Linux, epoll doesn't work on /dev/null (yes, really).
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*
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* This has been commented because libevent versions up until the very
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* latest (1.4 git or 2.0.10) do not handle signals properly when using
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* poll or select, causing hangs.
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*
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*/
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/* setenv("EVENT_NOEPOLL", "1", 1); */
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return (event_init());
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}
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