projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 542e1629 RP |
1 | /* Version of strerror() for systems that need it. |
| 2 | Copyright (C) 1991, 1992 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This program is free software; you can redistribute it and/or modify | |
| 5 | it under the terms of the GNU General Public License as published by | |
| 6 | the Free Software Foundation; either version 2 of the License, or | |
| 7 | (at your option) any later version. | |
| 8 | ||
| 9 | This program is distributed in the hope that it will be useful, | |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | GNU General Public License for more details. | |
| 13 | ||
| 14 | You should have received a copy of the GNU General Public License | |
| 15 | along with this program; if not, write to the Free Software | |
| 16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 17 | ||
| 18 | ||
| 19 | /* | |
| 20 | ||
| 21 | NAME | |
| 22 | ||
| 23 | strerror -- map an error number to an error message string | |
| 24 | ||
| 25 | SYNOPSIS | |
| 26 | ||
| 27 | #include <string.h> | |
| 28 | ||
| 29 | char *strerror (int errnum) | |
| 30 | ||
| 31 | DESCRIPTION | |
| 32 | ||
| 33 | Returns a pointer to a string containing an error message, the | |
| 34 | contents of which are implementation defined. The implementation | |
| 35 | shall behave as if no library function calls strerror. The string | |
| 36 | pointed to shall not be modified by the caller and is only guaranteed | |
| 37 | to be valid until a subsequent call to strerror. | |
| 38 | ||
| 39 | BUGS | |
| 40 | ||
| 41 | Requires that the system have sys_errlist and sys_nerr. | |
| 42 | ||
| 43 | */ | |
| 44 | ||
| 45 | #ifndef HAVE_STRERROR | |
| 46 | ||
| 47 | extern int sys_nerr; | |
| 48 | extern char *sys_errlist[]; | |
| 49 | ||
| 50 | char * | |
| 51 | strerror (code) | |
| 52 | int code; | |
| 53 | { | |
| 54 | return (((code < 0) || (code >= sys_nerr)) | |
| 55 | ? "(unknown error)" | |
| 56 | : sys_errlist [code]); | |
| 57 | } | |
| 58 | ||
| 59 | #endif /* HAVE_STRERROR */ | |
| 60 | ||
| 61 | /* end of strerror.c */ |