commit af08094ba669eb22401fe1bd771d12a866a6b24e
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Thu Oct 19 20:59:40 2017 -0500
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Thu Oct 19 20:59:40 2017 -0500
tree 00f995844e89652981899699c15af2861a3c0c9e
parent 9bddba26de39457182a4ca0b83119af964885602

[libpng16] Use png_calloc instead of png_malloc in png_set_tRNS

pngset.c

diff --git a/pngset.c b/pngset.c
index 6f3a1ee..795a176 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1017,7 +1017,7 @@
        {
          /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */
           info_ptr->trans_alpha = png_voidcast(png_bytep,
-              png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
+              png_calloc(png_ptr, PNG_MAX_PALETTE_LENGTH));
           memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans);
        }
        png_ptr->trans_alpha = info_ptr->trans_alpha;