| 0,0 → 1,71 |
|---|
| /**************************************************************************** |
| * |
| * Open Watcom Project |
| * |
| * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
| * |
| * ======================================================================== |
| * |
| * This file contains Original Code and/or Modifications of Original |
| * Code as defined in and that are subject to the Sybase Open Watcom |
| * Public License version 1.0 (the 'License'). You may not use this file |
| * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
| * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
| * provided with the Original Code and Modifications, and is also |
| * available at www.sybase.com/developer/opensource. |
| * |
| * The Original Code and all software distributed under the License are |
| * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
| * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
| * NON-INFRINGEMENT. Please see the License for the specific language |
| * governing rights and limitations under the License. |
| * |
| * ======================================================================== |
| * |
| * Description: Implementation of _cmdname(). |
| * |
| ****************************************************************************/ |
| |
| |
| #ifdef __WATCOMC__ |
| #include "variety.h" |
| #else |
| #define _WCRTLINK |
| #endif |
| #include <string.h> |
| #include <unistd.h> |
| #include <errno.h> |
| #include <limits.h> |
| |
| extern char **_argv; /* argument vector */ |
| |
| /* NOTE: This file isn't used for QNX. It's got its own version. */ |
| |
| #ifdef __LINUX__ |
| |
| _WCRTLINK char *_cmdname( char *name ) |
| { |
| int save_errno = errno; |
| int result = readlink( "/proc/self/exe", name, PATH_MAX ); |
| |
| errno = save_errno; |
| |
| /* fall back to argv[0] if readlink doesn't work */ |
| if( result == -1 || result == PATH_MAX ) |
| return( strcpy( name, _argv[0] ) ); |
| |
| /* readlink does not add a NUL so we need to do it ourselves */ |
| name[result] = '\0'; |
| return( name ); |
| } |
| |
| #else |
| |
| _WCRTLINK char *_cmdname( char *name ) |
| { |
| return( strcpy( name, _argv[0] ) ); |
| } |
| |
| #endif |