[libpng16] Changed png_inflate() and calling routines to avoid overflow
problems. This is an intermediate check-in that solves the immediate problems
and introduces one performance improvement (avoiding a copy via png_ptr->zbuf.)
Further changes will be made to make ICC profile handling more secure.
diff --git a/pngpriv.h b/pngpriv.h
index eed4e25..f9451f0 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -822,14 +822,7 @@
/* Read bytes into buf, and update png_ptr->crc */
PNG_INTERNAL_FUNCTION(void,png_crc_read,(png_structrp png_ptr, png_bytep buf,
- png_size_t length),PNG_EMPTY);
-
-/* Decompress data in a chunk that uses compression */
-#if defined(PNG_READ_COMPRESSED_TEXT_SUPPORTED)
-PNG_INTERNAL_FUNCTION(void,png_decompress_chunk,(png_structrp png_ptr,
- int comp_type, png_size_t chunklength, png_size_t prefix_length,
- png_size_t *data_length),PNG_EMPTY);
-#endif
+ png_uint_32 length),PNG_EMPTY);
/* Read "skip" bytes, read the file crc, and (optionally) verify png_ptr->crc */
PNG_INTERNAL_FUNCTION(int,png_crc_finish,(png_structrp png_ptr,
