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#include <stdlib.h>
#include <errno.h>
void *__reallocarray(void *ptr, size_t nmemb, size_t size) {
size_t bytes;
if (__builtin_umull_overflow(nmemb, size, &bytes)) {
errno = ENOMEM;
return NULL;
}
return realloc(ptr, bytes);
}
void *reallocarray(void *ptr, size_t nmemb, size_t size)
__attribute__((__weak__, __alias__("__reallocarray")));
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