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#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#include "php_config.h"
#endif
#ifdef HAVE_GD_PNG
/* needs to be first */
# include <png.h>
#endif
#ifdef HAVE_GD_JPG
# include <jpeglib.h>
#endif
#include "gd_compat.h"
#include "php.h"
#ifdef HAVE_GD_JPG
const char * gdJpegGetVersionString()
{
switch(JPEG_LIB_VERSION) {
case 62:
return "6b";
break;
case 70:
return "7";
break;
case 80:
return "8";
break;
default:
return "unknown";
}
}
#endif
#ifdef HAVE_GD_PNG
const char * gdPngGetVersionString()
{
return PNG_LIBPNG_VER_STRING;
}
#endif
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;
}
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