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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 553 | serge | 1 | ;***************************************************************************** |
| 2 | ;* |
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| 3 | ;* Open Watcom Project |
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| 4 | ;* |
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| 5 | ;* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
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| 6 | ;* |
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| 7 | ;* ======================================================================== |
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| 8 | ;* |
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| 9 | ;* This file contains Original Code and/or Modifications of Original |
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| 10 | ;* Code as defined in and that are subject to the Sybase Open Watcom |
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| 11 | ;* Public License version 1.0 (the 'License'). You may not use this file |
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| 12 | ;* except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
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| 13 | ;* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
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| 14 | ;* provided with the Original Code and Modifications, and is also |
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| 15 | ;* available at www.sybase.com/developer/opensource. |
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| 16 | ;* |
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| 17 | ;* The Original Code and all software distributed under the License are |
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| 18 | ;* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
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| 19 | ;* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
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| 20 | ;* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
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| 21 | ;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
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| 22 | ;* NON-INFRINGEMENT. Please see the License for the specific language |
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| 23 | ;* governing rights and limitations under the License. |
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| 24 | ;* |
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| 25 | ;* ======================================================================== |
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| 26 | ;* |
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| 27 | ;* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE |
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| 28 | ;* DESCRIBE IT HERE! |
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| 29 | ;* |
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| 30 | ;***************************************************************************** |
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| 31 | |||
| 32 | |||
| 33 | ; |
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| 34 | ; char *__COPY( char *dst, char *src, unsigned len ); |
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| 35 | ; |
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| 36 | ; |
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| 37 | include mdef.inc |
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| 38 | |||
| 39 | name __copy |
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| 40 | _TEXT segment use32 para public 'CODE' |
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| 41 | assume cs:_TEXT |
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| 42 | |||
| 43 | public __COPY |
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| 44 | public __COPY_ |
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| 45 | |||
| 46 | __COPY proc near |
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| 47 | __COPY_ proc near |
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| 48 | push edi ; save regs |
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| 49 | push esi ; ... |
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| 50 | push ecx ; ... |
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| 51 | mov edi,16+0[esp] ; get dst |
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| 52 | mov esi,16+4[esp] ; get src |
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| 53 | mov ecx,16+8[esp] ; get len |
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| 54 | mov eax,edi ; return with dst ptr in eax |
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| 55 | shr ecx,2 ; calc. # of dwords |
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| 56 | rep movsd ; do the copy |
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| 57 | mov ecx,16+8[esp] ; get len |
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| 58 | and ecx,3 ; plus extra bytes |
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| 59 | rep movsb ; do the copy |
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| 60 | pop ecx ; restore regs |
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| 61 | pop esi ; ... |
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| 62 | pop edi ; ... |
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| 63 | ret 12 ; return and remove parms |
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| 64 | __COPY_ endp |
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| 65 | __COPY endp |
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| 66 | |||
| 67 | _TEXT ends |
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| 68 | end |