diff options
Diffstat (limited to 'string/strsignal.c')
-rw-r--r-- | string/strsignal.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/string/strsignal.c b/string/strsignal.c new file mode 100644 index 0000000..c2c8835 --- /dev/null +++ b/string/strsignal.c @@ -0,0 +1,49 @@ +/* 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]; +} |