| 55,6 → 55,29 |
|---|
| ret |
| endp |
| |
| proc string.cmp uses ecx esi edi, _str1, _str2, _n |
| mov ecx, [_n] |
| test ecx, ecx ; Max length is zero? |
| je .done |
| |
| mov esi, [_str1] ; esi = string s1 |
| mov edi, [_str2] ; edi = string s2 |
| cld |
| .compare: |
| cmpsb ; Compare two bytes |
| jne .done |
| cmp byte [esi-1], 0 ; End of string? |
| je .done |
| dec ecx ; Length limit reached? |
| jne .compare |
| .done: |
| seta al ; al = (s1 > s2) |
| setb ah ; ah = (s1 < s2) |
| sub al, ah |
| movsx eax, al ; eax = (s1 > s2) - (s1 < s2), i.e. -1, 0, 1 |
| ret |
| endp |
| |
| proc string.to_lower_case uses eax, _str |
| mov eax, [_str] |
| @@: |