50 lines
2.1 KiB
NASM
50 lines
2.1 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Copyright (C) Vasiliy Kosenko (vkos), 2009 ;;
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;; This program is free software: you can redistribute it and/or modify it under the terms of ;;
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;; the GNU General Public License as published by the Free Software Foundation, either version 3 ;;
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;; of the License, or (at your option) any later version. ;;
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;; ;;
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;; This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; ;;
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;; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. ;;
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;; See the GNU General Public License for more details. ;;
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;; ;;
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;; You should have received a copy of the GNU General Public License along with this program. ;;
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;; If not, see <http://www.gnu.org/licenses/>. ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; Now there is only one function now: find string in array of strings ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; int str_find_in_array(char **options, char *str)
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;; NOTE: options should be zero-ended array
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str_find_in_array:
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push ebx
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mov ebx, [esp+8]
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cld
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.convert_nxt:
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add ebx, 4
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mov esi, dword [ebx-4]
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test esi, esi
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je .set_default ;; String is incorrect, so set default
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mov edi, [esp+0xc]
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.conv_loop:
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cmpsb
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jne .convert_nxt ;; Not equal, so try next
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dec esi
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lodsb
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test al, al
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jne .conv_loop
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.found:
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sub ebx, [esp+8]
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shr ebx, 2
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mov eax, ebx
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.exit:
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dec eax
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pop ebx
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ret
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.set_default:
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xor eax, eax
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jmp .exit
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