text: #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
  int gdJpegGetVersionInt()
  {
  	return JPEG_LIB_VERSION;
  }
  
  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)
  {
  	TSRMLS_FETCH();
  
  	if(a <= 0 || b <= 0) {
  		php_error_docref(NULL TSRMLS_CC, E_WARNING, "gd 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 TSRMLS_CC, E_WARNING, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
  		return 1;
  	}
  	return 0;
  }
  
  