diff options
Diffstat (limited to 'pngrutil.c')
| -rw-r--r-- | pngrutil.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/pngrutil.c b/pngrutil.c index 1a6250340..74822a92b 100644 --- a/pngrutil.c +++ b/pngrutil.c @@ -1,7 +1,7 @@ /* pngrutil.c - utilities to read a PNG file * - * Last changed in libpng 1.5.9 [(PENDING RELEASE)] + * Last changed in libpng 1.5.10 [(PENDING RELEASE)] * Copyright (c) 1998-2012 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.) @@ -1793,16 +1793,16 @@ png_handle_hIST(png_structp png_ptr, png_infop info_ptr, png_uint_32 length) return; } - num = length / 2 ; - - if (num != (unsigned int)png_ptr->num_palette || num > - (unsigned int)PNG_MAX_PALETTE_LENGTH) + if (length > 2*PNG_MAX_PALETTE_LENGTH || + length != (unsigned int) (2*png_ptr->num_palette)) { png_warning(png_ptr, "Incorrect hIST chunk length"); png_crc_finish(png_ptr, length); return; } + num = length / 2 ; + for (i = 0; i < num; i++) { png_byte buf[2]; |