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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /string/strsignal.c
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initial import
Diffstat (limited to 'string/strsignal.c')
-rw-r--r--string/strsignal.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/string/strsignal.c b/string/strsignal.c
new file mode 100644
index 0000000000..c2c8835a19
--- /dev/null
+++ b/string/strsignal.c
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+/* Copyright (C) 1991, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+
+
+#ifndef HAVE_GNU_LD
+#define _sys_siglist sys_siglist
+#endif
+
+/* Defined in , 1992siglist.c. */
+extern CONST char *CONST _sys_siglist[];
+
+
+/* Return a string describing the meaning of the signal number SIGNUM. */
+char *
+DEFUN(strsignal, (signum), int signum)
+{
+ if (signum < 0 || signum > NSIG)
+ {
+ static char unknown_signal[] = "Unknown signal 000000000000000000";
+ static char fmt[] = "Unknown signal%d";
+ size_t len = sprintf(unknown_signal, fmt, signum);
+ if (len < sizeof(fmt) - 2)
+ return NULL;
+ unknown_signal[len] = '\0';
+ return unknown_signal;
+ }
+
+ return (char *) _sys_siglist[signum];
+}