mirror of
https://github.com/monitoring-plugins/monitoring-plugins.git
synced 2026-05-21 09:55:15 -04:00
13e14a6bfd
Some checks are pending
CodeQL / Analyze (push) Waiting to run
Spellcheck / codespell (push) Waiting to run
Tests / Running unit and integrationt tests (push) Waiting to run
Tests / Running rpm build test on almalinux:9 (push) Waiting to run
Tests / Running rpm build test on fedora:latest (push) Waiting to run
Tests / Running rpm build test on rockylinux:8 (push) Waiting to run
* Sync with the 202601-stable Gnulib code (4a3650d887) * Ignore more deps stuff in gnulib * Remove autogenerated gnulib files * Ignore more gnulib generated headers
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* strerror.c --- POSIX compatible system error routine
|
|
|
|
Copyright (C) 2007-2026 Free Software Foundation, Inc.
|
|
|
|
This file is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as
|
|
published by the Free Software Foundation; either version 2.1 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This file 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 Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#include <config.h>
|
|
|
|
/* Specification. */
|
|
#include <string.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "intprops.h"
|
|
#include "strerror-override.h"
|
|
|
|
/* Use the system functions, not the gnulib overrides in this file. */
|
|
#undef sprintf
|
|
|
|
/* macOS 12's "warning: 'sprintf' is deprecated" is pointless,
|
|
as sprintf is used safely here. */
|
|
#if defined __APPLE__ && defined __MACH__ && _GL_GNUC_PREREQ (4, 2)
|
|
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
|
#endif
|
|
|
|
char *
|
|
strerror (int n)
|
|
#undef strerror
|
|
{
|
|
static char buf[STACKBUF_LEN];
|
|
|
|
/* Cast away const, due to the historical signature of strerror;
|
|
callers should not be modifying the string. */
|
|
const char *msg = strerror_override (n);
|
|
if (msg)
|
|
return (char *) msg;
|
|
|
|
msg = strerror (n);
|
|
|
|
/* Our strerror_r implementation might use the system's strerror
|
|
buffer, so all other clients of strerror have to see the error
|
|
copied into a buffer that we manage. This is not thread-safe,
|
|
even if the system strerror is, but portable programs shouldn't
|
|
be using strerror if they care about thread-safety. */
|
|
if (!msg || !*msg)
|
|
{
|
|
static char const fmt[] = "Unknown error %d";
|
|
static_assert (sizeof buf >= sizeof (fmt) + INT_STRLEN_BOUND (n));
|
|
sprintf (buf, fmt, n);
|
|
errno = EINVAL;
|
|
return buf;
|
|
}
|
|
|
|
/* Fix STACKBUF_LEN if this ever aborts. */
|
|
size_t len = strlen (msg);
|
|
if (sizeof buf <= len)
|
|
abort ();
|
|
|
|
memcpy (buf, msg, len + 1);
|
|
return buf;
|
|
}
|