multiply overflow fixes

[swftools.git] / lib / readers / image.c

diff --git a/lib/readers/image.c b/lib/readers/image.c
index 7457a4e..b8f9a35 100644 (file)
--- a/lib/readers/image.c
+++ b/lib/readers/image.c
@@ -126,8 +126,8 @@ static gfxdocument_t*image_open(gfxsource_t*src, const char*filename)
     memset(i, 0, sizeof(image_doc_internal_t));
 
     gfxcolor_t*data = 0;
-    int width = 0;
-    int height = 0;
+    unsigned width = 0;
+    unsigned height = 0;
 
     if(!getPNG(filename, &width, &height, (unsigned char**)&data)) {
        if(!jpeg_load(filename, (unsigned char**)&data, &width, &height)) {