Mercurial > gnulib
view lib/posixver.c @ 40237:b1386ce84ff5
fatal-signal: Add function that lists the fatal signals.
* lib/fatal-signal.h (get_fatal_signals): New declaration.
* lib/fatal-signal.c (get_fatal_signals): New function.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 16 Mar 2019 17:48:06 +0100 |
parents | b06060465f09 |
children |
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/* Which POSIX version to conform to, for utilities. Copyright (C) 2002-2006, 2009-2019 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Paul Eggert. */ #include <config.h> #include "posixver.h" #include <limits.h> #include <stdlib.h> #include <unistd.h> #ifndef _POSIX2_VERSION # define _POSIX2_VERSION 0 #endif #ifndef DEFAULT_POSIX2_VERSION # define DEFAULT_POSIX2_VERSION _POSIX2_VERSION #endif /* The POSIX version that utilities should conform to. The default is specified by the system. */ int posix2_version (void) { long int v = DEFAULT_POSIX2_VERSION; char const *s = getenv ("_POSIX2_VERSION"); if (s && *s) { char *e; long int i = strtol (s, &e, 10); if (! *e) v = i; } return v < INT_MIN ? INT_MIN : v < INT_MAX ? v : INT_MAX; }