#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; }