blob: ef4eae29657feae72c4398180fe5431dae7b4bb0 (
plain)
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
|
/*
** mem.c
** TecCGraf - PUC-Rio
*/
char *rcs_mem = "$Id: mem.c,v 1.7 1996/02/04 16:59:12 roberto Exp roberto $";
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "mem.h"
#include "lua.h"
#include "table.h"
static void mem_error (void)
{
Long recovered = luaI_collectgarbage(); /* try to collect garbage */
if (recovered)
lua_error("not enough memory");
else
{ /* if there is no garbage then must exit */
fprintf(stderr, "lua error: memory overflow - unable to recover\n");
exit(1);
}
}
void luaI_free (void *block)
{
if (block)
{
*((int *)block) = -1; /* to catch errors */
free(block);
}
}
void *luaI_malloc (unsigned long size)
{
void *block = malloc((size_t)size);
if (block == NULL)
mem_error();
return block;
}
void *luaI_realloc (void *oldblock, unsigned long size)
{
void *block = oldblock ? realloc(oldblock, (size_t)size) :
malloc((size_t)size);
if (block == NULL)
mem_error();
return block;
}
|
