74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/* strerror.c - string corresponding to a particular value of errno. */
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with Bash; see the file COPYING. If not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
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#include <config.h>
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#if !defined (HAVE_STRERROR)
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#include <bashtypes.h>
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#ifndef _MINIX
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# include <sys/param.h>
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#endif
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#if defined (HAVE_UNISTD_H)
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# include <unistd.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <shell.h>
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#if !defined (errno)
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extern int errno;
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#endif /* !errno */
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/* Return a string corresponding to the error number E. From
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the ANSI C spec. */
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#if defined (strerror)
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# undef strerror
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#endif
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static char *errbase = "Unknown system error ";
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char *
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strerror (e)
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int e;
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{
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static char emsg[40];
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#if defined (HAVE_SYS_ERRLIST)
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extern int sys_nerr;
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extern char *sys_errlist[];
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if (e > 0 && e < sys_nerr)
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return (sys_errlist[e]);
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else
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#endif /* HAVE_SYS_ERRLIST */
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{
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char *z;
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z = itos (e);
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strcpy (emsg, errbase);
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strcat (emsg, z);
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free (z);
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return (&emsg[0]);
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}
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}
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#endif /* HAVE_STRERROR */
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