src/base/ftutil.c


Log

Author Commit Date CI Message
Werner Lemberg d724f20e 2006-06-04T15:17:41 formatting
David Turner ea4547ca 2006-06-04T14:50:57 * src/base/ftutil.c (ft_mem_qrealloc): fix the function to accept 'item_size == 0' as well, though this sounds weird, it can theorically happen. see bug #16669
Werner Lemberg c6afa122 2006-05-02T22:22:16 * include/freetype/internal/ftmemory.h: s/new/newsz/ (for C++). (FT_ALLOC): Remove redundant redefinition. * builds/compiler/gcc-dev.mk (CFLAGS) [g++]: Don't use `-Wstrict-prototypes'. * src/base/ftstream.c (FT_Stream_EnterFrame): Add cast. Formatting, copyright years.
David Turner 264f307e 2006-05-02T06:34:27 * include/freetype/fterrdef.h, include/freetype/config/ftconfig.h, include/freetype/internal/ftmemory.h, src/base/ftdbgmem.c, src/base/ftutil.c: udpating the memory management functions and macros to safely deal with array size buffer overflows, this corresponds to attemps to allocate arrays that are too large. For an example, consider the following code: count = read_uint32_from_file(); array = malloc( sizeof(Item) * count ); for ( nn = 0; nn < count; nn++ ) array[nn] = read_item_from_file(); if 'count' is larger than FT_UINT_MAX/sizeof(Item), the multiplication will overflow and the array allocated will be smaller than the data read from the file. In this case, the heap will be trashed, and this can be used as a denial-of-service, or make the engine crash later. the FT_ARRAY_NEW and FT_ARRAY_RENEW macro now check that the new count is no more than FT_INT_MAX/item_size, otherwise, a new error, named 'FT_Err_Array_Too_Large' will be returned. note that the memory debugger now works again when FT_DEBUG_MEMORY is defined, and FT_STRICT_ALIASING has disappeared, the corresponding code being now the default.
Wu, Chia-I (吳佳一) 9f5d3de3 2006-02-28T13:21:50 * src/base/ftutil.c (ft_mem_qalloc) [FT_STRICT_ALIASING]: Do not return error if size == 0.
Werner Lemberg 422d2a05 2006-02-27T18:25:22 formatting, copyright years
David Turner c13e75fb 2006-02-27T13:14:42 * src/base/ftutil.c: ft_mem_alloc and related functions now return an error if a negative size is passed in parameters. * src/cache/ftccache.c: make ftc_node_destroy FT_BASE_DEF, it needs to be exported for rogue clients * src/pshinter/pshglob.c: prevent problems with malformed fonts which have an odd number of blue values (these are broken according to the specs). * src/cff/cffload.c, src/type1/t1load.c: modify the loaders to force even-ness of 'num_blue_values'. Also change the CFF loader so that invalid entries in index files are ignored.
David Turner 6c71c6b9 2006-02-25T12:49:40 * include/freetype/config/ftoption.h, src/autofit/afcjk.c, src/base/ftobjs.c, src/base/ftutil.c, src/cff/cffobjs.c, src/psaux/afmparse.c, src/sfnt/ttbdf.c, src/tools/apinames.c, src/truetype/ttdriver.c: solved compiler warnings as well as C++ compilation problems
Werner Lemberg 8e6f8c4d 2006-02-17T08:07:09 Formatting, copyright years, documentation improvements.
David Turner cda2d957 2006-02-16T22:45:31 * builds/amiga/src/base/ftsystem.c, devel/ftoption.h include/freetype/ftcache.h, include/freetype/ftoutln.h, include/freetype/cache/ftccache.h, include/freetype/cache/ftccmap.h, include/freetype/config/ftoption.h, include/freetype/internal/ftcalc.h, include/freetype/internal/ftdriver.h, include/freetype/internal/ftmemory.h, include/freetype/internal/ftobjs.h, include/freetype/internal/ftrfork.h, include/freetype/internal/psaux.h, include/freetype/internal/sfnt.h, include/freetype/internal/t1types.h, include/freetype/internal/tttypes.h, src/base/ftcalc.c, src/base/ftdbgmem.c, src/base/ftobjs.c, src/base/ftsystem.c, src/base/ftutil.c, src/bdf/bdfdrivr.c, src/cache/ftccache.c, src/cache/ftccback.h, src/cache/ftccmap.c, src/cache/ftcmanag.c, src/cff/cffdrivr.c, src/cid/cidriver.c, src/pcf/pcfdrivr.c, src/pfr/pfrdrivr.c, src/psaux/psauxmod.c, src/sfnt/sfdriver.c, src/truetype/ttdriver.c, src/type1/t1driver.c, src/type1/t1objs.c, src/type42/t42drivr.c, src/winfonts/winfnt.c: massive changes to the internals to respect the internal object layouts and exported functions of FreeType 2.1.7. Note that the cache sub-system cannot be fully retrofitted, unfortunately.
Werner Lemberg be3c9814 2006-01-27T14:16:16 Formatting, copyright years.
David Turner 6a681fa8 2006-01-27T12:11:22 * src/autofit/afwarp.c: simple #ifdef to prevent compilation when the warp hinter isn't active (it shouldn't, still experimental) * Jamfile, include/freetype/config/ftmodule.h: removed "gxvalid" and "otvalid" from the list of modules that are linked statically to a given FreeType library. Functionality has been moved to the "ftvalid" CVS module. note also that current Make-based build system still compiles the modules though... * include/freetype/config/ftoption.h: added FT_STRICT_ALIASING, which controls the definitions of the memory management functions to avoid warnings with recent versions of GCC. this macro is only here to be disabled, in case we detect problems with the new scheme. NOTE: disable macro to use the memory debugger. this will be fixed later !!
Werner Lemberg 30bd2844 2006-01-08T19:38:42 * src/base/ftutil.c (ft_highpow2): s/FT_BASE/FT_BASE_DEF/. Reported by Niels Boldt <nielsboldt@gmail.com>.
Werner Lemberg baa662bb 2005-03-03T23:05:29 * src/base/ftutil.c: Include FT_INTERNAL_OBJECTS_H.
David Turner 683973b4 2005-03-03T14:00:23 * include/freetype/internal/ftobjs.h, src/base/ftutil.c (ft_highpow2), src/pfr/pfrload.c, src/pfr/pfrobjs.c, src/pfr/pfrtypes.h: implement FT_OPTIMIZE_MEMORY, the kerning table is not loaded into the heap anymore.
Werner Lemberg ece8b20e 2004-12-13T23:16:59 Documentation updates, whitespace.
Werner Lemberg 21ddf945 2004-06-24T06:56:06 * include/freetype/internal/ftmemory.h [FT_DEBUG_MEMORY]: Declare FT_QAlloc_Debug and FT_QRealloc_Debug. * src/base/ftutil.c (FT_QAlloc): Fix error and debug messages. (FT_QRealloc): Call FT_QAlloc if original pointer is NULL. Fix error message.
David Turner 5290d2fb 2004-06-23T15:44:03 performance optimizations regarding face opening
Werner Lemberg b3d5e9cf 2002-07-28T05:05:24 s/ft_memset/FT_MEM_SET/. s/FT_MEM_SET/FT_MEM_ZERO/ where appropriate.
Werner Lemberg f8ba2005 2002-03-30T13:16:35 * include/freetype/t1tables.h (t1_blend_max): Fix typo. * src/base/ftstream.c: Simplify FT_ERROR calls. formatting, copyright update
David Turner e459d742 2002-03-22T13:52:37 * include/freetype/internal/ftmemory.h, and a lot of other files !!: changed the names of memory macros. Examples: MEM_Set => FT_MEM_SET MEM_Copy => FT_MEM_COPY MEM_Move => FT_MEM_MOVE ALLOC => FT_ALLOC FREE => FT_FREE REALLOC = >FT_REALLOC FT_NEW was introduced to allocate a new object from a _typed_ pointer.. note that ALLOC_ARRAY and REALLOC_ARRAY have been replaced by FT_NEW_ARRAY and FT_RENEW_ARRAY which take _typed_ pointer arguments. This results in _lots_ of sources being changed, but makes the code more generic and less error-prone..
Werner Lemberg 4ef4bdf0 2002-03-07T23:22:28 * src/base/ftutil.c (FT_Realloc): Use MEM_Set instead of memset.
David Turner 53b3fa1d 2002-02-24T05:26:57 * renaming stream functions to the FT_Subject_Action scheme: FT_Seek_Stream => FT_Stream_Seek FT_Skip_Stream => FT_Stream_Skip FT_Read_Stream => FT_Stream_Read FT_Read_Stream_At => FT_Stream_Read_At FT_Access_Frame => FT_Stream_Enter_Frame FT_Forget_Frame => FT_Stream_Exit_Frame FT_Extract_Frame => FT_Stream_Extract_Frame FT_Release_Frame => FT_Stream_Release_Frame FT_Get_XXXX => FT_Stream_Get_XXXX FT_Read_XXXX => FT_Stream_Read_XXXX note also that: FT_New_Stream( filename, stream ) => FT_Stream_Open( stream, filename ) (the function doesn't create the FT_Stream structure, it simply initializes it for reading) FT_New_Memory_Stream( library, FT_Byte* base, size, stream ) => FT_Stream_Open_Memory( stream, const FT_Byte* base, size ) FT_Done_Stream => FT_Stream_Close note that the name of the stream methods, defined in "include/freetype/ftsystem.h" have also been changed without problems: FT_Stream_IO => FT_Stream_IOFunc FT_Stream_Close => FT_Stream_CloseFunc
David Turner c919c7d4 2002-02-22T14:40:12 adding new file