string/sigdescr_np.c

   1 /* Return string describing signal.
   2    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <string.h>
  20 #include <signal.h>
  21 #include <array_length.h>
  22
  23 const char *
  24 __sigdescr_np (int signum)
  25 {
  26   const char *descr = NULL;
  27
  28   if (signum >= 0 && signum <= NSIG && signum < array_length (__sys_siglist))
  29     descr = __sys_siglist[signum];
  30
  31   return descr;
  32 }
  33 libc_hidden_def (__sigdescr_np)
  34 weak_alias (__sigdescr_np, sigdescr_np)