patch from SuSe for handle correctly bad chunks (can help with sig seg in

konqueror).

Changed files:
    libpng-badchunks.patch -> 1.1

diff --git a/libpng-badchunks.patch b/libpng-badchunks.patch
new file mode 100644 (file)
index 0000000..0f563f3
--- /dev/null
+++ b/libpng-badchunks.patch
@@ -0,0 +1,18 @@
+--- libpng-1.0.8/pngrutil.c.sux        Mon Oct 30 18:22:31 2000
++++ libpng-1.0.8/pngrutil.c    Mon Oct 30 18:24:16 2000
+@@ -1041,8 +1041,13 @@
+    chunkdata = png_decompress_chunk(png_ptr, compression_type, chunkdata,
+                                     slength, prefix_length, &data_length);
+ 
+-   png_set_iCCP(png_ptr, info_ptr, chunkdata, compression_type,
+-                chunkdata + prefix_length, data_length);
++   if(chunkdata)
++      png_set_iCCP(png_ptr, info_ptr, chunkdata, compression_type,
++                   chunkdata + prefix_length, data_length);
++   else
++      png_set_iCCP(png_ptr, info_ptr, chunkdata, compression_type,
++                   0x00, prefix_length);
++
+    png_free(png_ptr, chunkdata);
+ }
+ #endif /* PNG_READ_iCCP_SUPPORTED */