reactos/lib/sdk/crt/string/i386/tcsncmp.h
Johannes Anderwald 64a772037e - Revert 49927 "Update to trunk" as it breaks KsStudio (again)
svn path=/branches/audio-bringup/; revision=49979
2010-12-07 21:46:43 +00:00

40 lines
393 B
C

/* $Id$
*/
#include "tchar.h"
.globl _tcsncmp
_tcsncmp:
push %esi
push %edi
mov 0x0C(%esp), %esi /* s1 */
mov 0x10(%esp), %edi /* s2 */
mov 0x14(%esp), %ecx /* n */
xor %eax,%eax
cld
.L1:
dec %ecx
js .L2
_tlods
_tscas
jne .L3
test %eax, %eax
jne .L1
.L2:
xor %eax, %eax
jmp .L4
.L3:
sbb %eax, %eax
or $1, %al
.L4:
pop %edi
pop %esi
ret
/* EOF */