chiark / gitweb /
Merge from disorder.dev.
[disorder] / lib / wstat.c
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460b9539 1/*
2 * This file is part of DisOrder.
e8c185c3 3 * Copyright (C) 2004, 2007-2009 Richard Kettlewell
460b9539 4 *
e7eb3a27 5 * This program is free software: you can redistribute it and/or modify
460b9539 6 * it under the terms of the GNU General Public License as published by
e7eb3a27 7 * the Free Software Foundation, either version 3 of the License, or
460b9539 8 * (at your option) any later version.
e7eb3a27
RK
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
460b9539 15 * You should have received a copy of the GNU General Public License
e7eb3a27 16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
460b9539 17 */
71b90230
RK
18/** @file lib/wstat.c
19 * @brief Convert wait status to text
20 */
460b9539 21
05b75f8d 22#include "common.h"
460b9539 23
460b9539 24#include <signal.h>
25
26#include "mem.h"
27#include "log.h"
28#include "wstat.h"
29#include "printf.h"
30
71b90230
RK
31/** @brief Convert exit status to text
32 * @param w Exit status (e.g. from waitpid())
33 * @return Allocated string containing description of status
34 */
e8c185c3 35char *wstat(int w) {
460b9539 36 int n;
37 char *r;
38
39 if(WIFEXITED(w))
40 n = byte_xasprintf(&r, "exited with status %d", WEXITSTATUS(w));
41 else if(WIFSIGNALED(w))
42 n = byte_xasprintf(&r, "terminated by signal %d (%s)%s",
43 WTERMSIG(w), strsignal(WTERMSIG(w)),
44 WCOREDUMP(w) ? " - core dumped" : "");
45 else if(WIFSTOPPED(w))
46 n = byte_xasprintf(&r, "stopped by signal %d (%s)",
47 WSTOPSIG(w), strsignal(WSTOPSIG(w)));
48 else
49 n = byte_xasprintf(&r, "terminated with unknown wait status %#x",
50 (unsigned)w);
e8c185c3 51 return n >= 0 ? r : xstrdup("[could not convert wait status]");
460b9539 52}
53
54/*
55Local Variables:
56c-basic-offset:2
57comment-column:40
58End:
59*/