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Annotation of embedaddon/tmux/osdep-cygwin.c, revision 1.1

1.1     ! misho       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: }