+
−/* strerror.c --- POSIX compatible system error routine
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−
+
−   Copyright (C) 2007-2011 Free Software Foundation, Inc.
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−
+
−   This program is free software: you can redistribute it and/or modify
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−   it under the terms of the GNU General Public License as published by
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−   the Free Software Foundation; either version 3 of the License, or
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−   (at your option) any later version.
+
−
+
−   This program is distributed in the hope that it will be useful,
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−   but WITHOUT ANY WARRANTY; without even the implied warranty of
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−   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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−   GNU General Public License for more details.
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−
+
−   You should have received a copy of the GNU General Public License
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−   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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−
+
−#include <config.h>
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−
+
−/* Specification.  */
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−#include <string.h>
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−
+
−#if REPLACE_STRERROR
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−
+
−# include <errno.h>
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−# include <stdio.h>
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−# include <stdlib.h>
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−
+
−# include "intprops.h"
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−# include "verify.h"
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−
+
−/* Use the system functions, not the gnulib overrides in this file.  */
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−# undef sprintf
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−
+
−char *
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−strerror (int n)
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−{
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−  static char buf[256];
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−
+
−  int ret = strerror_r (n, buf, sizeof (buf));
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−
+
−  if (ret == 0)
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−    return buf;
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−
+
−  if (ret == ERANGE)
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−    /* If this happens, increase the size of buf.  */
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−    abort ();
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−
+
−  {
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−    static char const fmt[] = "Unknown error (%d)";
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−    verify (sizeof (buf) >= sizeof (fmt) + INT_STRLEN_BOUND (n));
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−    sprintf (buf, fmt, n);
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−    return buf;
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−  }
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−}
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−
+
−#endif