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/* See LICENSE file for copyright and license details. */
#include <stdlib.h>
#include <stdint.h>
#define emalloc(...) enmalloc(1, __VA_ARGS__)
#define emalloc2(...) enmalloc2(1, __VA_ARGS__)
#define emalloc3(...) enmalloc3(1, __VA_ARGS__)
#define ecalloc(...) encalloc(1, __VA_ARGS__)
#define erealloc(...) enrealloc(1, __VA_ARGS__)
#define erealloc2(...) enrealloc2(1, __VA_ARGS__)
#define erealloc3(...) enrealloc3(1, __VA_ARGS__)
#define malloc2(n, m) malloc(n * m);
#define malloc3(n1, n2, n3) malloc(n1 * n2 * n3);
#define realloc2(p, n, m) realloc(p, n * m);
#define realloc3(p, n1, n2, n3) realloc(p, n1 * n2 * n3);
static inline void *
enmalloc(int status, size_t n)
{
void *ptr = malloc(n);
if (!ptr)
enprintf(status, "malloc: out of memory\n");
return ptr;
}
static inline void *
enmalloc2(int status, size_t n, size_t m)
{
void *ptr;
if (n > SIZE_MAX / m || !(ptr = malloc(n * m)))
enprintf(status, "malloc: out of memory\n");
return ptr;
}
static inline void *
enmalloc3(int status, size_t n1, size_t n2, size_t n3)
{
void *ptr;
size_t n = n1;
if (n2 > SIZE_MAX / n ||
n3 > SIZE_MAX / (n *= n2) ||
!(ptr = malloc(n * n3)))
enprintf(status, "malloc: out of memory\n");
return ptr;
}
static inline void *
encalloc(int status, size_t n, size_t m)
{
void *ptr = calloc(n, m);
if (!ptr)
enprintf(status, "calloc: out of memory\n");
return ptr;
}
static inline void *
enrealloc(int status, void *ptr, size_t n)
{
ptr = realloc(ptr, n);
if (!ptr)
enprintf(status, "realloc: out of memory\n");
return ptr;
}
static inline void *
enrealloc2(int status, void *ptr, size_t n, size_t m)
{
if (n > SIZE_MAX / m || !(ptr = realloc(ptr, n * m)))
enprintf(status, "realloc: out of memory\n");
return ptr;
}
static inline void *
enrealloc3(int status, void *ptr, size_t n1, size_t n2, size_t n3)
{
size_t n = n1;
if (n2 > SIZE_MAX / n ||
n3 > SIZE_MAX / (n *= n2) ||
!(ptr = realloc(ptr, n * n3)))
enprintf(status, "realloc: out of memory\n");
return ptr;
}
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