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| author | Nicolas Pena <npm@chromium.org> | 2017-03-30 14:32:05 -0400 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-03-30 18:54:58 +0000 |
| commit | 1c5e98c6fdd664eda5e6d04835e55125a2117970 (patch) | |
| tree | b302ad49bc724217c327213b8acdd20ed9229e2a /third_party/libtiff/tiffiop.h | |
| parent | bccf573b72c76597f6b1f1e99e8db4e1cc759843 (diff) | |
| download | pdfium-1c5e98c6fdd664eda5e6d04835e55125a2117970.tar.xz | |
Libtiff security upstream patches
CL list:
https://github.com/vadz/libtiff/commit/438274f938e046d33cb0e1230b41da32ffe223e1
https://github.com/vadz/libtiff/commit/43bc256d8ae44b92d2734a3c5bc73957a4d7c1ec
https://github.com/vadz/libtiff/commit/1044b43637fa7f70fb19b93593777b78bd20da86
https://github.com/vadz/libtiff/commit/9a72a69e035ee70ff5c41541c8c61cd97990d018
https://github.com/vadz/libtiff/commit/b4b41925115059b49f97432bda0613411df2f686
Bug: chromium:706349
Change-Id: I782156e7486919a62e25eeb95cb8699f1b2c5ee1
Reviewed-on: https://pdfium-review.googlesource.com/3374
Reviewed-by: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'third_party/libtiff/tiffiop.h')
| -rw-r--r-- | third_party/libtiff/tiffiop.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/third_party/libtiff/tiffiop.h b/third_party/libtiff/tiffiop.h index b6db1e932c..1925a6b5e4 100644 --- a/third_party/libtiff/tiffiop.h +++ b/third_party/libtiff/tiffiop.h @@ -249,6 +249,10 @@ struct tiff { #define TIFFhowmany_32(x, y) (((uint32)x < (0xffffffff - (uint32)(y-1))) ? \ ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) : \ 0U) +/* Variant of TIFFhowmany_32() that doesn't return 0 if x close to MAXUINT. */ +/* Caution: TIFFhowmany_32_maxuint_compat(x,y)*y might overflow */ +#define TIFFhowmany_32_maxuint_compat(x, y) \ + (((uint32)(x) / (uint32)(y)) + ((((uint32)(x) % (uint32)(y)) != 0) ? 1 : 0)) #define TIFFhowmany8_32(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3) #define TIFFroundup_32(x, y) (TIFFhowmany_32(x,y)*(y)) #define TIFFhowmany_64(x, y) ((((uint64)(x))+(((uint64)(y))-1))/((uint64)(y))) |