1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#include "php_config.h"
#endif
#include "gd_compat.h"
#include "php.h"
int overflow2(int a, int b)
{
if(a <= 0 || b <= 0) {
php_error_docref(NULL, E_WARNING, "One parameter to a memory allocation multiplication is negative or zero, failing operation gracefully\n");
return 1;
}
if(a > INT_MAX / b) {
php_error_docref(NULL, E_WARNING, "Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
return 1;
}
return 0;
}
|
