[libpng16] Added another "assert()" in pngfix.c

2013-11-23 12:42:43 -06:00 · 2013-11-23 12:42:43 -06:00 · 27ae9362d8
commit 27ae9362d8
parent 88507b4ef9
1 changed files with 2 additions and 0 deletions
--- a/contrib/tools/pngfix.c
+++ b/contrib/tools/pngfix.c
@ -3323,6 +3323,8 @@ read_callback(png_structp png_ptr, png_bytep buffer, size_t count)

            else
            {
+               assert(chunk != NULL);
+
               /* Set up for write, notice that repositioning the input stream
                * is only necessary if something is to be read from it.  Also
                * notice that for the IDAT stream this must only happen once -