| 1 | /* strerror.c - string corresponding to a particular value of errno. */
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| 2 |
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| 3 | /* Copyright (C) 1995 Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is part of GNU Bash, the Bourne Again SHell.
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| 6 |
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| 7 | Bash is free software; you can redistribute it and/or modify it under
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| 8 | the terms of the GNU General Public License as published by the Free
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| 9 | Software Foundation; either version 2, or (at your option) any later
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| 10 | version.
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| 11 |
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| 12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 15 | for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License along
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| 18 | with Bash; see the file COPYING. If not, write to the Free Software
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| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
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| 20 |
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| 21 | #include <config.h>
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| 22 |
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| 23 | #if !defined (HAVE_STRERROR)
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| 24 |
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| 25 | #include <bashtypes.h>
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| 26 | #ifndef _MINIX
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| 27 | # include <sys/param.h>
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| 28 | #endif
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| 29 |
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| 30 | #if defined (HAVE_UNISTD_H)
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| 31 | # include <unistd.h>
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| 32 | #endif
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| 33 |
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| 34 | #include <stdio.h>
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| 35 | #include <errno.h>
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| 36 |
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| 37 | #include <shell.h>
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| 38 |
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| 39 | #if !defined (errno)
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| 40 | extern int errno;
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| 41 | #endif /* !errno */
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| 42 |
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| 43 | /* Return a string corresponding to the error number E. From
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| 44 | the ANSI C spec. */
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| 45 | #if defined (strerror)
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| 46 | # undef strerror
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| 47 | #endif
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| 48 |
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| 49 | static char *errbase = "Unknown system error ";
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| 50 |
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| 51 | char *
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| 52 | strerror (e)
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| 53 | int e;
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| 54 | {
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| 55 | static char emsg[40];
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| 56 | #if defined (HAVE_SYS_ERRLIST)
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| 57 | extern int sys_nerr;
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| 58 | extern char *sys_errlist[];
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| 59 |
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| 60 | if (e > 0 && e < sys_nerr)
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| 61 | return (sys_errlist[e]);
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| 62 | else
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| 63 | #endif /* HAVE_SYS_ERRLIST */
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| 64 | {
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| 65 | char *z;
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| 66 |
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| 67 | z = itos (e);
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| 68 | strcpy (emsg, errbase);
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| 69 | strcat (emsg, z);
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| 70 | free (z);
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| 71 | return (&emsg[0]);
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| 72 | }
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| 73 | }
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| 74 | #endif /* HAVE_STRERROR */
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