karina
37 lines
968 B
C
37 lines
968 B
C
#include <stddef.h>
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#include <stdint.h>
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void* memmove(void* dest, const void* src, unsigned long n) {
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unsigned char* d = (unsigned char*)dest;
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const unsigned char* s = (const unsigned char*)src;
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if (d < s) {
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while (n--) *d++ = *s++;
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} else {
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d += n; s += n;
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while (n--) *--d = *--s;
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}
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return dest;
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}
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void* memcpy(void* dest, const void* src, unsigned long n) {
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return memmove(dest, src, n);
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}
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void* memset(void* dest, int c, unsigned long n) {
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unsigned char* d = (unsigned char*)dest;
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while (n--) *d++ = (unsigned char)c;
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return dest;
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}
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// Stack protection
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long __stack_chk_guard = (long)0xDEADBEEFCAFEBABEULL;
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void __stack_chk_fail(void) { while (1); }
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// Swift runtime allocator stubs — should never be called in embedded mode
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int posix_memalign(void** ptr, unsigned long align, unsigned long size) {
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(void)ptr; (void)align; (void)size;
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while (1);
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}
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void free(void* ptr) { (void)ptr; }
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