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| author | Tobias Hunger <tobias.hunger@qt.io> | 2019-04-16 16:32:08 +0200 |
|---|---|---|
| committer | Tobias Hunger <tobias.hunger@qt.io> | 2019-04-16 16:32:08 +0200 |
| commit | 6630937e63ae5797487b86743a7733c8ae5cc42c (patch) | |
| tree | 3d53dacf6430f9099e1fb20835881205de674961 /src/3rdparty/freetype/src/otvalid/otvcommn.h | |
| parent | 37ed6dae00640f9cc980ffda05347c12a7eb5d7e (diff) | |
| parent | c7af193d2e49e9f10b86262e63d8d13abf72b5cf (diff) | |
Merge commit 'dev' into 'wip/cmake-merge'
Change-Id: I176c40d031be26a1dd1cf08843e448a660598783
Diffstat (limited to 'src/3rdparty/freetype/src/otvalid/otvcommn.h')
| -rw-r--r-- | src/3rdparty/freetype/src/otvalid/otvcommn.h | 60 |
1 files changed, 45 insertions, 15 deletions
diff --git a/src/3rdparty/freetype/src/otvalid/otvcommn.h b/src/3rdparty/freetype/src/otvalid/otvcommn.h index 3aebf0200d..a392784cf1 100644 --- a/src/3rdparty/freetype/src/otvalid/otvcommn.h +++ b/src/3rdparty/freetype/src/otvalid/otvcommn.h @@ -4,7 +4,7 @@ /* */ /* OpenType common tables validation (specification). */ /* */ -/* Copyright 2004-2015 by */ +/* Copyright 2004-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -16,8 +16,8 @@ /***************************************************************************/ -#ifndef __OTVCOMMN_H__ -#define __OTVCOMMN_H__ +#ifndef OTVCOMMN_H_ +#define OTVCOMMN_H_ #include <ft2build.h> @@ -67,29 +67,38 @@ FT_BEGIN_HEADER #undef FT_INVALID_ -#define FT_INVALID_( _error ) \ +#define FT_INVALID_( _error ) \ ft_validator_error( otvalid->root, FT_THROW( _error ) ) #define OTV_OPTIONAL_TABLE( _table ) FT_UShort _table; \ FT_Bytes _table ## _p +#define OTV_OPTIONAL_TABLE32( _table ) FT_ULong _table; \ + FT_Bytes _table ## _p + #define OTV_OPTIONAL_OFFSET( _offset ) \ FT_BEGIN_STMNT \ _offset ## _p = p; \ _offset = FT_NEXT_USHORT( p ); \ FT_END_STMNT -#define OTV_LIMIT_CHECK( _count ) \ - FT_BEGIN_STMNT \ +#define OTV_OPTIONAL_OFFSET32( _offset ) \ + FT_BEGIN_STMNT \ + _offset ## _p = p; \ + _offset = FT_NEXT_ULONG( p ); \ + FT_END_STMNT + +#define OTV_LIMIT_CHECK( _count ) \ + FT_BEGIN_STMNT \ if ( p + (_count) > otvalid->root->limit ) \ - FT_INVALID_TOO_SHORT; \ + FT_INVALID_TOO_SHORT; \ FT_END_STMNT #define OTV_SIZE_CHECK( _size ) \ FT_BEGIN_STMNT \ if ( _size > 0 && _size < table_size ) \ { \ - if ( otvalid->root->level == FT_VALIDATE_PARANOID ) \ + if ( otvalid->root->level == FT_VALIDATE_PARANOID ) \ FT_INVALID_OFFSET; \ else \ { \ @@ -102,12 +111,33 @@ FT_BEGIN_HEADER " set to zero.\n" \ "\n", #_size )); \ \ - /* always assume 16bit entities */ \ _size = pp[0] = pp[1] = 0; \ } \ } \ FT_END_STMNT +#define OTV_SIZE_CHECK32( _size ) \ + FT_BEGIN_STMNT \ + if ( _size > 0 && _size < table_size ) \ + { \ + if ( otvalid->root->level == FT_VALIDATE_PARANOID ) \ + FT_INVALID_OFFSET; \ + else \ + { \ + /* strip off `const' */ \ + FT_Byte* pp = (FT_Byte*)_size ## _p; \ + \ + \ + FT_TRACE3(( "\n" \ + "Invalid offset to optional table `%s'" \ + " set to zero.\n" \ + "\n", #_size )); \ + \ + _size = pp[0] = pp[1] = pp[2] = pp[3] = 0; \ + } \ + } \ + FT_END_STMNT + #define OTV_NAME_(x) #x #define OTV_NAME(x) OTV_NAME_(x) @@ -146,11 +176,11 @@ FT_BEGIN_HEADER #define OTV_INIT otvalid->debug_indent = 0 -#define OTV_ENTER \ - FT_BEGIN_STMNT \ - otvalid->debug_indent += 2; \ - FT_TRACE4(( "%*.s", otvalid->debug_indent, 0 )); \ - FT_TRACE4(( "%s table\n", \ +#define OTV_ENTER \ + FT_BEGIN_STMNT \ + otvalid->debug_indent += 2; \ + FT_TRACE4(( "%*.s", otvalid->debug_indent, 0 )); \ + FT_TRACE4(( "%s table\n", \ otvalid->debug_function_name[otvalid->nesting_level] )); \ FT_END_STMNT @@ -431,7 +461,7 @@ FT_BEGIN_HEADER FT_END_HEADER -#endif /* __OTVCOMMN_H__ */ +#endif /* OTVCOMMN_H_ */ /* END */ |