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http://repos.archlinux.org/wsvn/packages/emacs/trunk/libpng14.patch
--- emacs-22.3-orig/src/image.c
+++ emacs-22.3/src/image.c
@@ -6338,7 +6338,7 @@
/* PNG library details. */
DEF_IMGLIB_FN (png_get_io_ptr);
-DEF_IMGLIB_FN (png_check_sig);
+DEF_IMGLIB_FN (png_sig_cmp);
DEF_IMGLIB_FN (png_create_read_struct);
DEF_IMGLIB_FN (png_create_info_struct);
DEF_IMGLIB_FN (png_destroy_read_struct);
@@ -6369,7 +6369,7 @@
return 0;
LOAD_IMGLIB_FN (library, png_get_io_ptr);
- LOAD_IMGLIB_FN (library, png_check_sig);
+ LOAD_IMGLIB_FN (library, png_sig_cmp);
LOAD_IMGLIB_FN (library, png_create_read_struct);
LOAD_IMGLIB_FN (library, png_create_info_struct);
LOAD_IMGLIB_FN (library, png_destroy_read_struct);
@@ -6394,7 +6394,7 @@
#else
#define fn_png_get_io_ptr png_get_io_ptr
-#define fn_png_check_sig png_check_sig
+#define fn_png_sig_cmp png_sig_cmp
#define fn_png_create_read_struct png_create_read_struct
#define fn_png_create_info_struct png_create_info_struct
#define fn_png_destroy_read_struct png_destroy_read_struct
@@ -6541,7 +6541,7 @@
/* Check PNG signature. */
if (fread (sig, 1, sizeof sig, fp) != sizeof sig
- || !fn_png_check_sig (sig, sizeof sig))
+ || fn_png_sig_cmp (sig, 0, sizeof sig))
{
image_error ("Not a PNG file: `%s'", file, Qnil);
UNGCPRO;
@@ -6558,7 +6558,7 @@
/* Check PNG signature. */
if (tbr.len < sizeof sig
- || !fn_png_check_sig (tbr.bytes, sizeof sig))
+ || fn_png_sig_cmp (tbr.bytes, 0, sizeof sig))
{
image_error ("Not a PNG image: `%s'", img->spec, Qnil);
UNGCPRO;
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