[libpng16] Initialized btoa[] in pngstest.c; stop memory leak in png_handle_eXIf()

when returning with an error.

1 files changed, 3 insertions, 0 deletions

diff --git a/pngrutil.c b/pngrutil.c
index f0e172897..3be7c17cc 100644
--- a/pngrutil.c
+++ b/pngrutil.c
@@ -2039,7 +2039,10 @@ png_handle_eXIf(png_structrp png_ptr, png_inforp info_ptr, png_uint_32 length)
    }
 
    if (png_crc_finish(png_ptr, 0) != 0)
+   {
+      png_free(png_ptr, eXIf_buf);
       return;
+   }
 
    png_set_eXIf_1(png_ptr, info_ptr, length, eXIf_buf);