18 lines
430 B
C
18 lines
430 B
C
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#include <string.h>
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void* memmove (void* dstptr, const void* srcptr, size_t size) {
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unsigned char* dst = (unsigned char*) dstptr;
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const unsigned char* src = (const unsigned char*) srcptr;
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if (dst < src) {
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for (size_t i = 0; i < size; i++) {
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dst[i] = src[i];
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}
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} else {
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for (size_t i = size; i != 0; i--) {
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dst[i-1] = src[i-1];
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}
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}
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return dstptr;
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}
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