| 0,0 → 1,104 |
|---|
| /**************************************************************************** |
| * |
| * 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 "widechar.h" |
| #include <stdio.h> |
| #include <string.h> |
| #include "riscstr.h" |
| |
| #if defined(M_I86) && !defined(__WIDECHAR__) |
| |
| extern int _fast_strncmp( const char *, const char _WCFAR *, size_t ); |
| |
| #if defined(__SMALL_DATA__) |
| #pragma aux _fast_strncmp = \ |
| 0x89 0xfa /* mov dx,di */ \ |
| 0x30 0xc0 /* xor al,al */ \ |
| 0xf2 0xae /* repne scasb */ \ |
| 0x89 0xf9 /* mov cx,di */ \ |
| 0x89 0xd7 /* mov di,dx */ \ |
| 0x29 0xf9 /* sub cx,di */ \ |
| 0xf3 0xa6 /* repe cmpsb */ \ |
| 0x74 0x05 /* je L1 */ \ |
| 0x19 0xc9 /* sbb cx,cx */ \ |
| 0x83 0xd9 0xff /* sbb cx,ffffh */ \ |
| /* L1: */ \ |
| parm caller [si] [es di] [cx] \ |
| value [cx] \ |
| modify exact [dx ax di cx si]; |
| #else |
| #pragma aux _fast_strncmp = \ |
| 0x1e /* push ds */ \ |
| 0x8e 0xda /* mov ds,dx */ \ |
| 0x89 0xfa /* mov dx,di */ \ |
| 0x30 0xc0 /* xor al,al */ \ |
| 0xf2 0xae /* repne scasb */ \ |
| 0x89 0xf9 /* mov cx,di */ \ |
| 0x89 0xd7 /* mov di,dx */ \ |
| 0x29 0xf9 /* sub cx,di */ \ |
| 0xf3 0xa6 /* repe cmpsb */ \ |
| 0x74 0x05 /* je L1 */ \ |
| 0x19 0xc9 /* sbb cx,cx */ \ |
| 0x83 0xd9 0xff /* sbb cx,ffffh */ \ |
| /* L1: */ \ |
| 0x1f /* pop ds */ \ |
| parm caller [dx si] [es di] [cx] \ |
| value [cx] \ |
| modify exact [dx ax di cx si]; |
| #endif |
| #endif |
| |
| /* return <0 if s<t, 0 if s==t, >0 if s>t */ |
| |
| #if defined(__RISCSTR__) && defined(__WIDECHAR__) |
| _WCRTLINK int __simple_wcsncmp( const CHAR_TYPE *s, const CHAR_TYPE *t, size_t n ) |
| #else |
| _WCRTLINK int __F_NAME(strncmp,wcsncmp)( const CHAR_TYPE *s, const CHAR_TYPE *t, size_t n ) |
| #endif |
| { |
| #if defined(M_I86) && !defined(__WIDECHAR__) |
| if( n ) { |
| return( _fast_strncmp( s, t, n ) ); |
| } |
| return( 0 ); |
| #else |
| for(;;) { |
| if( n == 0 ) return( 0 ); /* equal */ |
| if( *s != *t ) return( *s - *t ); /* less than or greater than */ |
| if( *s == NULLCHAR ) return( 0 ); /* equal */ |
| ++s; |
| ++t; |
| --n; |
| } |
| #endif |
| } |