1 files changed, 19 insertions, 4 deletions
diff --git a/plugins/AdvaImg/src/LibPNG/pngset.c b/plugins/AdvaImg/src/LibPNG/pngset.c
index 7c6ed11a44..f3cb3ccfad 100644
--- a/plugins/AdvaImg/src/LibPNG/pngset.c
+++ b/plugins/AdvaImg/src/LibPNG/pngset.c
@@ -1,7 +1,7 @@
 
 /* pngset.c - storage of image information into info struct
  *
- * Last changed in libpng 1.6.30 [June 28, 2017]
+ * Last changed in libpng 1.6.32 [August 24, 2017]
  * Copyright (c) 1998-2017 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@@ -139,6 +139,15 @@ void PNGAPI
 png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
     const png_bytep eXIf_buf)
 {
+  png_warning(png_ptr, "png_set_eXIf does not work; use png_set_eXIf_1");
+  PNG_UNUSED(info_ptr)
+  PNG_UNUSED(eXIf_buf)
+}
+
+void PNGAPI
+png_set_eXIf_1(png_const_structrp png_ptr, png_inforp info_ptr,
+    const png_uint_32 num_exif, const png_bytep eXIf_buf)
+{
    int i;
 
    png_debug1(1, "in %s storage function", "eXIf");
@@ -146,7 +155,13 @@ png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
    if (png_ptr == NULL || info_ptr == NULL)
       return;
 
-   png_free_data(png_ptr, info_ptr, PNG_FREE_EXIF, 0);
+   if (info_ptr->exif)
+   {
+      png_free(png_ptr, info_ptr->exif);
+      info_ptr->exif = NULL;
+   }
+
+   info_ptr->num_exif = num_exif;
 
    info_ptr->exif = png_voidcast(png_bytep, png_malloc_warn(png_ptr,
        info_ptr->num_exif));
@@ -154,13 +169,12 @@ png_set_eXIf(png_const_structrp png_ptr, png_inforp info_ptr,
    if (info_ptr->exif == NULL)
    {
       png_warning(png_ptr, "Insufficient memory for eXIf chunk data");
-
       return;
    }
 
    info_ptr->free_me |= PNG_FREE_EXIF;
 
-   for (i = 0; i < info_ptr->num_exif; i++)
+   for (i = 0; i < (int) info_ptr->num_exif; i++)
       info_ptr->exif[i] = eXIf_buf[i];
 
    info_ptr->valid |= PNG_INFO_eXIf;
@@ -1388,6 +1402,7 @@ png_set_keep_unknown_chunks(png_structrp png_ptr, int keep,
       static PNG_CONST png_byte chunks_to_ignore[] = {
          98,  75,  71,  68, '\0',  /* bKGD */
          99,  72,  82,  77, '\0',  /* cHRM */
+        101,  88,  73, 102, '\0',  /* eXIf */
         103,  65,  77,  65, '\0',  /* gAMA */
         104,  73,  83,  84, '\0',  /* hIST */
         105,  67,  67,  80, '\0',  /* iCCP */