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/* strerror.c - string corresponding to a particular value of errno. */
/* Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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.
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#if !defined (HAVE_STRERROR)
#include <bashtypes.h>
#if defined (HAVE_SYS_PARAM_H)
# include <sys/param.h>
#endif
#if defined (HAVE_UNISTD_H)
# include <unistd.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <shell.h>
#if !defined (errno)
#include <errno.h>
#endif /* !errno */
/* Return a string corresponding to the error number E. From
the ANSI C spec. */
#if defined (strerror)
# undef strerror
#endif
static char *errbase = "Unknown system error ";
char *
strerror (e)
int e;
{
static char emsg[40];
#if defined (HAVE_SYS_ERRLIST)
extern int sys_nerr;
extern char *sys_errlist[];
if (e > 0 && e < sys_nerr)
return (sys_errlist[e]);
else
#endif /* HAVE_SYS_ERRLIST */
{
char *z;
z = itos (e);
strcpy (emsg, errbase);
strcat (emsg, z);
free (z);
return (&emsg[0]);
}
}
#endif /* HAVE_STRERROR */
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