34 lines
718 B
C
34 lines
718 B
C
#include "memory.h"
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void* memcpy(void* dst, const void* src, uint16_t num)
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{
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uint8_t* u8Dst = (uint8_t *)dst;
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const uint8_t* u8Src = (const uint8_t *)src;
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for (uint16_t i = 0; i < num; i++)
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u8Dst[i] = u8Src[i];
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return dst;
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}
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void * memset(void * ptr, int value, uint16_t num)
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{
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uint8_t* u8Ptr = (uint8_t *)ptr;
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for (uint16_t i = 0; i < num; i++)
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u8Ptr[i] = (uint8_t)value;
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return ptr;
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}
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int memcmp(const void* ptr1, const void* ptr2, uint16_t num)
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{
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const uint8_t* u8Ptr1 = (const uint8_t *)ptr1;
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const uint8_t* u8Ptr2 = (const uint8_t *)ptr2;
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for (uint16_t i = 0; i < num; i++)
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if (u8Ptr1[i] != u8Ptr2[i])
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return 1;
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return 0;
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}
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