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64 lines
1.0 KiB
C
64 lines
1.0 KiB
C
#include "php_config.h"
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#ifdef HAVE_GD_PNG
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/* needs to be first */
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# include <png.h>
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#endif
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#ifdef HAVE_GD_JPG
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# include <jpeglib.h>
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#endif
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#include "gd_compat.h"
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#include "php.h"
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#ifdef HAVE_GD_JPG
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int gdJpegGetVersionInt()
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{
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return JPEG_LIB_VERSION;
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}
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const char * gdJpegGetVersionString()
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{
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switch(JPEG_LIB_VERSION) {
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case 62:
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return "6b";
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break;
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case 70:
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return "7";
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break;
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case 80:
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return "8";
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break;
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default:
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return "unknown";
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}
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}
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#endif
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#ifdef HAVE_GD_PNG
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const char * gdPngGetVersionString()
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{
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return PNG_LIBPNG_VER_STRING;
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}
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#endif
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int overflow2(int a, int b)
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{
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TSRMLS_FETCH();
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if(a <= 0 || b <= 0) {
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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");
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return 1;
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}
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if(a > INT_MAX / b) {
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php_error_docref(NULL TSRMLS_CC, E_WARNING, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
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return 1;
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}
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return 0;
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}
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