[lbipng16] Fix "const" declaration info_ptr argument to png_get_eXIf_1() and the

num_exif argument to png_get_eXIf_1() (Github Issue 171).

ANNOUNCE

@@ -77,7 +77,8 @@ Version 1.6.32beta10 [August 4, 2017]
   Added the --xfail (expected FAIL) option to pngtest.c. It writes XFAIL
     in the output but PASS for the libpng test.
   Require cmake-3.0.2 in CMakeLists.txt (Clifford Yapp).
-  Fix "const" declaration info_ptr argument to png_get_eXIf_1().
+  Fix "const" declaration info_ptr argument to png_get_eXIf_1() and the
+    num_exif argument to png_get_eXIf_1() (Github Issue 171).
 
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CHANGES

@@ -5960,7 +5960,8 @@ Version 1.6.32beta10 [August 4, 2017]
   Added the --xfail (expected FAIL) option to pngtest.c. It writes XFAIL
     in the output but PASS for the libpng test.
   Require cmake-3.0.2 in CMakeLists.txt (Clifford Yapp).
-  Fix "const" declaration info_ptr argument to png_get_eXIf_1().
+  Fix "const" declaration info_ptr argument to png_get_eXIf_1() and the
+    num_exif argument to png_get_eXIf_1() (Github Issue 171).
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

libpng.3

@@ -353,7 +353,7 @@ libpng \- Portable Network Graphics (PNG) Reference Library 1.6.32beta10
 
 \fBvoid png_set_eXIf (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_bytep \fIexif\fP\fB);\fP
 
-\fBvoid png_set_eXIf_1 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_32 \fP\fInum_exif\fP\fB, png_bytep \fIexif\fP\fB);\fP
+\fBvoid png_set_eXIf_1 (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, const png_uint_32 \fP\fInum_exif\fP\fB, png_bytep \fIexif\fP\fB);\fP
 
 \fBvoid png_set_hIST (png_structp \fP\fIpng_ptr\fP\fB, png_infop \fP\fIinfo_ptr\fP\fB, png_uint_16p \fIhist\fP\fB);\fP
 

png.h

@@ -2014,10 +2014,11 @@ PNG_EXPORT(246, png_uint_32, png_get_eXIf, (png_const_structrp png_ptr,
     png_inforp info_ptr, png_bytep *exif));
 PNG_EXPORT(247, void, png_set_eXIf, (png_const_structrp png_ptr,
     png_inforp info_ptr, const png_bytep exif));
+
 PNG_EXPORT(248, png_uint_32, png_get_eXIf_1, (png_const_structrp png_ptr,
     png_const_inforp info_ptr, png_uint_32 *num_exif, png_bytep *exif));
 PNG_EXPORT(249, void, png_set_eXIf_1, (png_const_structrp png_ptr,
-    png_inforp info_ptr, png_uint_32 num_exif, const png_bytep exif));
+    png_inforp info_ptr, const png_uint_32 num_exif, const png_bytep exif));
 #endif
 
 #ifdef PNG_gAMA_SUPPORTED