strerror.c

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/* 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# endifchar *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

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