wget/lib/strerror.c

50 lines
1.2 KiB
C

/* strerror.c --- POSIX compatible system error routine
Copyright (C) 2007 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 <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <string.h>
#if REPLACE_STRERROR
# include <stdio.h>
# include "intprops.h"
# undef strerror
# if ! HAVE_DECL_STRERROR
# define strerror(n) NULL
# endif
char *
rpl_strerror (int n)
{
char *result = strerror (n);
if (result == NULL || result[0] == '\0')
{
static char const fmt[] = "Unknown error (%d)";
static char mesg[sizeof fmt + INT_STRLEN_BOUND (n)];
sprintf (mesg, fmt, n);
return mesg;
}
return result;
}
#endif