1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* ecgen, tool for generating Elliptic curve domain parameters
* Copyright (C) 2017 J08nY
*/
#include "memory.h"
#include <pari/pari.h>
static void *(*malloc_func)(size_t) = pari_malloc;
static void *(*calloc_func)(size_t) = pari_calloc;
static void *(*realloc_func)(void *, size_t) = pari_realloc;
static void (*free_func)(void *) = pari_free;
void *alloc(void *(*fun)(size_t), size_t size) {
void *result = fun(size);
if (!result) {
perror("Couldn't alloc.");
exit(EXIT_FAILURE);
}
return result;
}
void *try_malloc(size_t size) { return alloc(malloc_func, size); }
void *try_calloc(size_t size) { return alloc(calloc_func, size); }
void *try_realloc(void *ptr, size_t size) {
void *result = realloc_func(ptr, size);
if (!result) {
perror("Couldn't alloc.");
exit(EXIT_FAILURE);
}
return result;
}
char *try_strdup(const char *str) {
size_t len = strlen(str);
return try_memdup(str, len + 1);
}
void *try_memdup(const void *mem, size_t len) {
void *result = try_malloc(len);
memcpy(result, mem, len);
return result;
}
void try_free(void *ptr) { free_func(ptr); }
void set_mem_funcs(void *(*malloc_fun)(size_t), void *(*calloc_fun)(size_t),
void *(*realloc_fun)(void *, size_t),
void (*free_fun)(void *)) {
malloc_func = malloc_fun;
calloc_func = calloc_fun;
realloc_func = realloc_fun;
free_func = free_fun;
}
|
