//------------------------------------------------------------------------------
// strcmp( ESI, EDI)
// strlen( EDI)
// strcpy( EDI, ESI)
// strcat( EDI, ESI)
// strchr( ESI,BL)
// strrchr( ESI,BL)
// strstr( EBX, EDX)
// itoa( ESI)
// atoi( EAX)
// strupr( ESI)
// strlwr( ESI)
// strtok( ESI)
//------------------------------------------------------------------------------
inline fastcall unsigned int strlen( EDI)
{
$xor eax, eax
$mov ecx, -1
$REPNE $SCASB
EAX-=2+ECX;
}
inline fastcall strcpy( EDI, ESI)
{
$cld
l2:
$lodsb
$stosb
$test al,al
$jnz l2
}
inline fastcall strcat( EDI, ESI)
{
asm {
mov ebx, edi
xor ecx, ecx
xor eax, eax
dec ecx
repne scasb
dec edi
mov edx, edi
mov edi, esi
xor ecx, ecx
xor eax, eax
dec ecx
repne scasb
xor ecx, 0ffffffffh
mov edi, edx
mov edx, ecx
mov eax, edi
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
mov eax, ebx
}
}
char buffer[11];
inline fastcall dword itoa( ESI)
{
$mov edi, #buffer
$mov ecx, 10
$test esi, esi
$jns f1
$mov al, '-'
$stosb
$neg esi
f1:
$mov eax, esi
$push -'0'
f2:
$xor edx, edx
$div ecx
$push edx
$test eax, eax
$jnz f2
f3:
$pop eax
$add al, '0'
$stosb
$jnz f3
$mov eax, #buffer
$ret
}
inline fastcall dword atoi( EDI)
{
//ESI=EDI=EAX;
ESI=EDI;
IF(DSBYTE[ESI]=='-')ESI++;
EAX=0;
BH=AL;
do{
BL=DSBYTE[ESI]-'0';
EAX=EAX*10+EBX;
ESI++;
}while(DSBYTE[ESI]>0);
IF(DSBYTE[EDI]=='-') -EAX;
}
inline fastcall signed int strcmp( ESI, EDI)
{
loop()
{
IF (DSBYTE[ESI]<DSBYTE[EDI]) RETURN -1;
IF (DSBYTE[ESI]>DSBYTE[EDI]) RETURN 1;
IF (DSBYTE[ESI]=='\0') RETURN 0;
ESI++;
EDI++;
}
}
inline fastcall unsigned int strchr( ESI,BL)
{
int jj=0;
do{
jj++;
$lodsb
IF(AL==BL) return jj;
} while(AL!=0);
}
inline fastcall unsigned int strrchr( ESI,BL)
{
int jj=0, last=-1;
do{
jj++;
$lodsb
IF(AL==BL) last=jj;
} while(AL!=0);
return last;
}
inline fastcall strupr( ESI)
{
do{
AL=DSBYTE[ESI];
IF(AL>='a')IF(AL<='z')DSBYTE[ESI]=AL&0x5f;
ESI++;
}while(AL!=0);
}
inline fastcall strlwr( ESI)
{
do{
$LODSB
IF(AL>='A')&&(AL<='Z'){
AL+=0x20;
DSBYTE[ESI-1]=AL;
CONTINUE;
}
}while(AL!=0);
}
inline fastcall unsigned int strstr( EBX, EDX)
{
asm {
mov edi, edx
xor ecx, ecx
xor eax, eax
dec ecx
repne scasb
not ecx
dec ecx
je ls2
mov esi, ecx
xor ecx, ecx
mov edi, ebx
dec ecx
repne scasb
not ecx
sub ecx, esi
jbe ls2
mov edi, ebx
lea ebx, DSDWORD[ esi-1]
ls1: mov esi, edx
lodsb
repne scasb
jne ls2
mov eax, ecx
push edi
mov ecx, ebx
repe cmpsb
pop edi
mov ecx, eax
jne ls1
lea eax, DSDWORD[ edi-1]
jmp short ls3
ls2: xor eax, eax
ls3:
}
}
/* strtok( LPSTR dest, src, divs);
src - óêàçàòåëü íà èñõîäíóþ ñòðîêó èëè ðåçóëüòàò ïðåäûäóùåãî âûçîâà
dest - óêàçàòåëü íà áóôåð, êóäà áóäåò ñêîïèðîâàíî ñëîâî
divs - óêàçàòåëü íà ñòðîêó, ñîäåðæàùóþ ñèìâîëû-ðàçäåëèòåëè
Âîçâðàùàåò: 0, åñëè ñëîâ áîëüøå íåò
íå 0, åñëè ñëîâî ñêîïèðîâàíî â dest (ïåðåäàéòå ýòî çíà÷åíèå
â êà÷åñòâå src äëÿ ïîñëåäóþùåãî ïîèñêà) */
dword fastcall strtok( EDX, ESI, EBX)
{
asm {
XOR ECX, ECX
MOV EDI, EBX
XOR EAX, EAX
DEC ECX
REPNE SCASB
XOR ECX, 0FFFFFFFFH
DEC ECX
PUSH ECX
L1: LODSB
OR AL, AL
JZ L4
MOV EDI, EBX
MOV ECX, SSDWORD[ ESP]
REPNE SCASB
JZ L1
DEC ESI
L2: LODSB
MOV EDI, EBX
MOV ECX, SSDWORD[ ESP]
REPNE SCASB
JZ L3
MOV DSBYTE[ EDX], AL
INC EDX
JMP SHORT L2
L3: MOV EAX, ESI
L4: POP ECX
} DSBYTE[ EDX] = 0;
}