forked from KolibriOS/kolibrios
411 lines
6.7 KiB
C
411 lines
6.7 KiB
C
//------------------------------------------------------------------------------
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// strcmp( ESI, EDI)
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// strlen( EDI)
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// strcpy( EDI, ESI) --- 0 if ==
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// strcat( EDI, ESI)
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// strchr( ESI,BL) --- find first BL
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// strrchr( ESI,BL) --- find last BL
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// strstr( EBX, EDX)
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// itoa( ESI)
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// atoi( EAX)
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// strupr( ESI)
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// strlwr( ESI) --- kyrillic symbols may not work
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// strttl( EDX)
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// strtok( ESI)
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// strtrim( ESI) --- removes "blank" characters (\r, \n and space)
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// chrnum(dword searchin, char symbol)
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// strcpyb(dword searchin, copyin, startstr, endstr) --- copy string between strings
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// strnumb(dword searchin, startstr, endstr) --- get number between strings
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//------------------------------------------------------------------------------
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inline fastcall signed int strcmp( ESI, EDI)
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{
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loop()
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{
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IF (DSBYTE[ESI]<DSBYTE[EDI]) RETURN -1;
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IF (DSBYTE[ESI]>DSBYTE[EDI]) RETURN 1;
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IF (DSBYTE[ESI]=='\0') RETURN 0;
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ESI++;
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EDI++;
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}
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}
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inline fastcall signed int strncmp( ESI, EDI, ECX)
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{
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asm {
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MOV EBX, EDI
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XOR EAX, EAX
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MOV EDX, ECX
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OR ECX, ECX
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JE L1
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REPNE SCASB
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SUB EDX, ECX
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MOV ECX, EDX
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MOV EDI, EBX
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XOR EBX, EBX
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REPE CMPSB
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MOV AL, DSBYTE[ ESI-1]
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MOV BL, DSBYTE[ EDI-1]
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SUB EAX, EBX
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L1:
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}
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}
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inline fastcall unsigned int strlen( EDI)
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{
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$xor eax, eax
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$mov ecx, -1
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$REPNE $SCASB
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EAX-=2+ECX;
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}
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inline fastcall void strcpy( EDI, ESI)
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{
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$cld
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L2:
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$lodsb
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$stosb
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$test al,al
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$jnz L2
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}
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inline fastcall int strlcpy(dword ESI, EDI, EBX)
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{
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EDX=0;
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do {
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DSBYTE[ESI]=DSBYTE[EDI];
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ESI++;
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EDI++;
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EDX++;
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if (EDX==EBX) { DSBYTE[ESI]='\0'; return -1;}
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} while(DSBYTE[EDI-1]!='\0');
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return 0;
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}
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inline fastcall strtrim( ESI)
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{
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EDI = ESI;
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do{
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AL=DSBYTE[EDI];
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if (AL != '\32') && (AL != '\13') && (AL != '\10')
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{
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DSBYTE[ESI]=AL;
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ESI++;
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}
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EDI++;
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}while(AL!=0);
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DSBYTE[ESI] = '\0';
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}
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inline fastcall void strcat( EDI, ESI)
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{
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asm {
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mov ebx, edi
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xor ecx, ecx
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xor eax, eax
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dec ecx
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repne scasb
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dec edi
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mov edx, edi
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mov edi, esi
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xor ecx, ecx
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xor eax, eax
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dec ecx
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repne scasb
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xor ecx, 0ffffffffh
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mov edi, edx
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mov edx, ecx
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mov eax, edi
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shr ecx, 2
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rep movsd
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mov ecx, edx
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and ecx, 3
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rep movsb
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mov eax, ebx
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}
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}
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inline fastcall void chrcat(ESI, BL)
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{
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EDI = strlen(ESI);
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ESBYTE[ESI+EDI] = BL;
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ESBYTE[ESI+EDI+1] = 0;
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}
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inline fastcall signed int strchr( ESI,BL)
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{
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int jj=0;
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do{
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jj++;
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$lodsb
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IF(AL==BL) return jj;
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} while(AL!=0);
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return 0;
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}
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inline fastcall signed int strrchr( ESI,BL)
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{
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int jj=0, last=0;
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do{
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jj++;
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$lodsb
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IF(AL==BL) last=jj;
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} while(AL!=0);
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return last;
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}
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int chrnum(dword searchin, char symbol)
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{
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int num = 0;
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while(DSBYTE[searchin])
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{
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if (DSBYTE[searchin] == symbol) num++;
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searchin++;
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}
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return num;
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}
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inline fastcall signed int strstr( EBX, EDX)
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{
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asm {
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MOV EDI, EDX
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XOR ECX, ECX
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XOR EAX, EAX
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DEC ECX
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REPNE SCASB
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NOT ECX
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DEC ECX
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JE LS2
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MOV ESI, ECX
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XOR ECX, ECX
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MOV EDI, EBX
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DEC ECX
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REPNE SCASB
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NOT ECX
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SUB ECX, ESI
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JBE LS2
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MOV EDI, EBX
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LEA EBX, DSDWORD[ ESI-1]
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LS1: MOV ESI, EDX
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LODSB
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REPNE SCASB
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JNE LS2
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MOV EAX, ECX
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PUSH EDI
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MOV ECX, EBX
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REPE CMPSB
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POP EDI
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MOV ECX, EAX
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JNE LS1
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LEA EAX, DSDWORD[ EDI-1]
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JMP SHORT LS3
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LS2: XOR EAX, EAX
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LS3:
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}
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}
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dword strstri(dword searchin, usestr_s)
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{
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dword usestr_e = usestr_s;
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char si, ue;
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while(DSBYTE[searchin])
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{
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si = DSBYTE[searchin];
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ue = DSBYTE[usestr_e];
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if (si>='A') && (si<='Z') si +=32;
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if (ue>='A') && (ue<='Z') ue +=32;
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if (si == ue) usestr_e++; else usestr_e = usestr_s;
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searchin++;
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if (DSBYTE[usestr_e]=='\0') return searchin;
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}
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return 0;
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}
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unsigned int strcpyb(dword search_in, copyin, startstr, endstr)
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{
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dword startp, endp;
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dword copyin_start_off = copyin;
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if (startstr==0) startp = search_in; else startp = strstr(search_in, startstr) + strlen(startstr);
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endp = strstri(startp, endstr);
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if (endp==0) endp = startp+strlen(search_in);
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//if (startp==endp) return 0;
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do
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{
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DSBYTE[copyin] = DSBYTE[startp];
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copyin++;
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startp++;
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}
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while (startp<endp);
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DSBYTE[copyin] = '\0';
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return copyin_start_off;
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}
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/*void strcat(char *to, char *from) //<2F><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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while(*to) to++;
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while(*from)
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{
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*to = *from;
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to++;
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from++;
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}
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*to = '\0';
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}*/
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inline fastcall dword atoi( EDI)
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{
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$push ebx
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$push esi
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ESI=EDI;
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while (DSBYTE[ESI]==' ') ESI++;
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if (DSBYTE[ESI]=='-') ESI++;
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EAX=0;
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while (DSBYTE[ESI]>='0') && (DSBYTE[ESI]<='9')
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{
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$xor ebx, ebx
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EBX = DSBYTE[ESI]-'0';
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EAX *= 10;
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EAX += EBX;
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ESI++;
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}
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IF (DSBYTE[EDI]=='-') -EAX;
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$pop esi
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$pop ebx
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}
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inline fastcall strupr( ESI)
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{
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do{
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AL=DSBYTE[ESI];
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IF(AL>='a')IF(AL<='z')DSBYTE[ESI]=AL&0x5f;
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IF (AL>=160) && (AL<=175) DSBYTE[ESI] = AL - 32; //<2F>-<2D>
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IF (AL>=224) && (AL<=239) DSBYTE[ESI] = AL - 80; //<2F>-<2D>
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ESI++;
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}while(AL!=0);
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}
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inline fastcall strlwr( ESI)
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{
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do{
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$LODSB
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IF(AL>='A')&&(AL<='Z'){
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AL+=0x20;
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DSBYTE[ESI-1]=AL;
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CONTINUE;
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}
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}while(AL!=0);
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}
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inline fastcall strttl( EDX)
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{
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AL=DSBYTE[EDX];
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IF(AL>='a')&&(AL<='z')DSBYTE[EDX]=AL&0x5f;
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IF (AL>=160) && (AL<=175) DSBYTE[EDX] = AL - 32; //<2F>-<2D>
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IF (AL>=224) && (AL<=239) DSBYTE[EDX] = AL - 80; //<2F>-<2D>
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do{
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EDX++;
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AL=DSBYTE[EDX];
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IF(AL>='A')&&(AL<='Z'){DSBYTE[EDX]=AL|0x20; CONTINUE;}
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IF(AL>='<EFBFBD>')&&(AL<='<EFBFBD>')DSBYTE[EDX]=AL|0x20; //<2F>-<2D>
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IF (AL>=144) && (AL<=159) DSBYTE[EDX] = AL + 80; //<2F>-<2D>
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}while(AL!=0);
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}
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unsigned char buffer[11];
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dword itoa( ESI)
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{
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$pusha
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EDI = #buffer;
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ECX = 10;
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if (ESI < 0)
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{
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$mov al, '-'
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$stosb
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$neg esi
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}
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$mov eax, esi
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$push -'0'
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F2:
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$xor edx, edx
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$div ecx
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$push edx
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$test eax, eax
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$jnz F2
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F3:
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$pop eax
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$add al, '0'
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$stosb
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$jnz F3
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$mov al, '\0'
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$stosb
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$popa
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return #buffer;
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}
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inline fastcall itoa_(signed int EDI, ESI)
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{
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$pusha
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EBX = EDI;
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ECX = 10;
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if (ESI > 90073741824)
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{
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$mov al, '-'
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$stosb
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$neg esi
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}
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$mov eax, esi
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$push -'0'
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F2:
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$xor edx, edx
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$div ecx
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$push edx
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$test eax, eax
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$jnz F2
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F3:
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$pop eax
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$add al, '0'
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$stosb
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$jnz F3
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$mov al, '\0'
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$stosb
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$popa
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return EBX;
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}
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void debugi(dword d_int)
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{
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char tmpch[12];
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itoa_(#tmpch, d_int);
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debug(#tmpch);
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}
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#define strncpy strcpyn
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#define strnmov strmovn
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#define stricmp strcmpi
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#define strcmpn strncmp
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