36 lines
826 B
C
36 lines
826 B
C
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#define _GNU_SOURCE 1
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#include <sys/mman.h>
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#include <string.h>
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#include "lily.h"
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void* lily_alloc(uint size){
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return mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS, -1, 0);
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}
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void* lily_alloc_zeroed(uint size){
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return lily_alloc(size);
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}
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void lily_dealloc(void* ptr, uint size){
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munmap(ptr, size);
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}
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void* lily_realloc(void* ptr, uint size, uint size_new){
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return mremap(ptr, size, size_new, MREMAP_MAYMOVE);
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}
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void lily_memset(void* dest, void* src, uint count, uint size){
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uint total_size = count * size;
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memcpy(dest, src, size);
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uint copied = size;
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while (copied < total_size) {
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uint copy_size;
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if(copied > total_size - copied)
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copy_size = total_size - copied;
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else
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copy_size = copied;
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memcpy(dest, (dest + copied), copy_size);
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copied += copy_size;
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}
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}
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