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e84f5ab387
* Un-fake a couple of matches in memory manip functions * Document fmodf * Un-fake a couple of matches in memory manip functions * Document fmodf * Rename functions and files * Document memmove, memsets, memcpys * Format * Sort out some missing sizeofs * Name fmodf * Rename local variables * size_t * Use COBRA_SHADOW_TEX_SIZE * Review * Tweak the Doxyfile to remove @brief requirement * Roman's review * Fix a bug comment * Change fmodf
33 lines
712 B
C
33 lines
712 B
C
#include "global.h"
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/**
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* memmove: copies `len` bytes from memory starting at `src` to memory starting at `dest`.
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*
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* Unlike memcpy(), the regions of memory may overlap.
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*
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* @param dest address of start of buffer to write to
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* @param src address of start of buffer to read from
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* @param len number of bytes to copy.
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*
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* @return dest
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*/
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void* __osMemmove(void* dest, const void* src, size_t len) {
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u8* d = dest;
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const u8* s = src;
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if (d == s) {
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return dest;
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}
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if (d < s) {
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while (len--) {
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*d++ = *s++;
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}
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} else {
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d += len - 1;
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s += len - 1;
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while (len--) {
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*d-- = *s--;
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}
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}
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return dest;
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}
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