33 lines
816 B
C
33 lines
816 B
C
/*
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* memory.c
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* by Reisyukaku
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* Copyright (c) 2015 All Rights Reserved
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*/
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#include "memory.h"
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void memcpy(u8 *dest, u8 *src, u32 size){
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for (u32 i = 0; i < size; i++) dest[i] = src[i];
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}
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void memcpy32(u32 *dest, u32 *src, u32 size){
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for (u32 i = 0; i < size; i++) dest[i] = src[i];
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}
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void memset(u8 *dest, u32 fill, u32 size){
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for (u32 i = 0; i < size; i++) dest[i] = fill;
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}
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int memcmp(u8 *buf1, u8 *buf2, u32 size){
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for (u32 i = 0; i < size; i++) {
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int cmp = buf1[i] - buf2[i];
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if (cmp != 0) return cmp;
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}
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return 0;
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}
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u32 *memsearch(u8 *start_pos, u8 *search, u32 size, u32 size_search){
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for (u8 *pos = start_pos; pos <= start_pos + size - size_search; pos++) {
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if (memcmp(pos, search, size_search) == 0) return (u32*)pos;
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}
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return NULL;
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} |