gd_compat.c

#ifdefHAVE_CONFIG_H
#include<config.h>
#else
#include<php_config.h>
#endif

#include"gd_compat.h"
#include"php.h"

intoverflow2(inta, intb)
{

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");
return1;
 }
if(a>INT_MAX / b) {
php_error_docref(NULL, E_WARNING, "Product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
return1;
 }
return0;
}