| 0,0 → 1,78 |
|---|
| /**************************************************************************** |
| * |
| * 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: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
| * DESCRIBE IT HERE! |
| * |
| ****************************************************************************/ |
| |
| |
| #include "variety.h" |
| #include <string.h> |
| |
| #ifdef M_I86 |
| |
| extern char _WCFAR *_fast_strrchr( const char _WCFAR *, char ); |
| |
| #pragma aux _fast_strrchr = \ |
| 0xb9 0xff 0xff /* mov cx,ffffh */ \ |
| 0x30 0xc0 /* xor al,al */ \ |
| 0xf2 0xae /* repne scasb */ \ |
| 0xf7 0xd1 /* not cx */ \ |
| 0x4f /* dec di */ \ |
| 0x88 0xd8 /* mov al,bl */ \ |
| 0xfd /* std */ \ |
| 0xf2 0xae /* repne scasb */ \ |
| 0xfc /* cld */ \ |
| 0x75 0x04 /* jne L1 */ \ |
| 0x89 0xf9 /* mov cx,di */ \ |
| 0x41 /* inc cx */ \ |
| 0xa9 /* hide 2 bytes */ \ |
| 0x8e 0xc1 /* L1: mov es,cx */ \ |
| parm caller [es di] [bl] \ |
| value [es cx] \ |
| modify exact [es cx ax di]; |
| #endif |
| |
| /* Locate the last occurrence of c in the string pointed to by s. |
| The terminating null character is considered to be part of the string. |
| If the character c is not found, NULL is returned. |
| */ |
| |
| _WCRTLINK char _WCFAR *_fstrrchr( const char _WCFAR *s, int c ) |
| { |
| #if defined(M_I86) |
| return( _fast_strrchr( s, c ) ); |
| #else |
| char _WCFAR *p; |
| |
| p = NULL; /* assume c will not be found */ |
| do { |
| if( *s == c ) p = (char _WCFAR *)s; |
| } while( *s++ != '\0' ); |
| return( p ); |
| #endif |
| } |