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#include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include "alloc.h"
#include "errors.h"
void *
bufalloc(void *ptr, size_t nmemb, size_t size)
{
assert(nmemb * size != 0);
if (size > SIZE_MAX / nmemb) {
errno = EOVERFLOW;
err("%s:", __func__);
}
if ((ptr = realloc(ptr, nmemb * size)) == NULL)
err("%s:", __func__);
return ptr;
}
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