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1 | /* Copyright (C) 1991-2021 Free Software Foundation, Inc. | |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <https://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <stdio.h> | |
19 | #include <signal.h> | |
20 | #include <stdlib.h> | |
21 | #include <libintl.h> | |
22 | #include <wchar.h> | |
23 | ||
24 | /* Print out on stderr a line consisting of the test in S, a colon, a space, | |
25 | a message describing the meaning of the signal number SIG and a newline. | |
26 | If S is NULL or "", the colon and space are omitted. */ | |
27 | void | |
28 | psignal (int sig, const char *s) | |
29 | { | |
30 | const char *colon, *desc; | |
31 | ||
32 | if (s == NULL || *s == '\0') | |
33 | s = colon = ""; | |
34 | else | |
35 | colon = ": "; | |
36 | ||
37 | if (sig >= 0 && sig < NSIG && (desc = __sys_siglist[sig]) != NULL) | |
38 | (void) __fxprintf (NULL, "%s%s%s\n", s, colon, _(desc)); | |
39 | else | |
40 | { | |
41 | char *buf; | |
42 | ||
43 | if (__asprintf (&buf, _("%s%sUnknown signal %d\n"), s, colon, sig) < 0) | |
44 | (void) __fxprintf (NULL, "%s%s%s\n", s, colon, _("Unknown signal")); | |
45 | else | |
46 | { | |
47 | (void) __fxprintf (NULL, "%s", buf); | |
48 | ||
49 | free (buf); | |
50 | } | |
51 | } | |
52 | } |