diff options
Diffstat (limited to 'freetype/src/gzip')
| -rw-r--r-- | freetype/src/gzip/ftgzip.c | 78 | ||||
| -rw-r--r-- | freetype/src/gzip/rules.mk | 57 |
2 files changed, 107 insertions, 28 deletions
diff --git a/freetype/src/gzip/ftgzip.c b/freetype/src/gzip/ftgzip.c index f26755834..2c60b6c57 100644 --- a/freetype/src/gzip/ftgzip.c +++ b/freetype/src/gzip/ftgzip.c @@ -596,6 +596,8 @@ } + /* documentation is in ftgzip.h */ + FT_EXPORT_DEF( FT_Error ) FT_Stream_OpenGzip( FT_Stream stream, FT_Stream source ) @@ -684,7 +686,64 @@ return error; } -#else /* !FT_CONFIG_OPTION_USE_ZLIB */ + + /* documentation is in ftgzip.h */ + + FT_EXPORT_DEF( FT_Error ) + FT_Gzip_Uncompress( FT_Memory memory, + FT_Byte* output, + FT_ULong* output_len, + const FT_Byte* input, + FT_ULong input_len ) + { + z_stream stream; + int err; + + + /* this function is modeled after zlib's `uncompress' function */ + + stream.next_in = (Bytef*)input; + stream.avail_in = (uInt)input_len; + + stream.next_out = output; + stream.avail_out = (uInt)*output_len; + + stream.zalloc = (alloc_func)ft_gzip_alloc; + stream.zfree = (free_func) ft_gzip_free; + stream.opaque = memory; + + err = inflateInit2( &stream, MAX_WBITS ); + if ( err != Z_OK ) + return FT_THROW( Invalid_Argument ); + + err = inflate( &stream, Z_FINISH ); + if ( err != Z_STREAM_END ) + { + inflateEnd( &stream ); + if ( err == Z_OK ) + err = Z_BUF_ERROR; + } + else + { + *output_len = stream.total_out; + + err = inflateEnd( &stream ); + } + + if ( err == Z_MEM_ERROR ) + return FT_THROW( Out_Of_Memory ); + + if ( err == Z_BUF_ERROR ) + return FT_THROW( Array_Too_Large ); + + if ( err == Z_DATA_ERROR ) + return FT_THROW( Invalid_Table ); + + return FT_Err_Ok; + } + + +#else /* !FT_CONFIG_OPTION_USE_ZLIB */ FT_EXPORT_DEF( FT_Error ) FT_Stream_OpenGzip( FT_Stream stream, @@ -696,6 +755,23 @@ return FT_THROW( Unimplemented_Feature ); } + + FT_EXPORT_DEF( FT_Error ) + FT_Gzip_Uncompress( FT_Memory memory, + FT_Byte* output, + FT_ULong* output_len, + const FT_Byte* input, + FT_ULong input_len ) + { + FT_UNUSED( memory ); + FT_UNUSED( output ); + FT_UNUSED( output_len ); + FT_UNUSED( input ); + FT_UNUSED( input_len ); + + return FT_THROW( Unimplemented_Feature ); + } + #endif /* !FT_CONFIG_OPTION_USE_ZLIB */ diff --git a/freetype/src/gzip/rules.mk b/freetype/src/gzip/rules.mk index d2a43a6a8..37cd99176 100644 --- a/freetype/src/gzip/rules.mk +++ b/freetype/src/gzip/rules.mk @@ -3,7 +3,7 @@ # -# Copyright 2002, 2003 by +# Copyright 2002, 2003, 2013 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, @@ -27,49 +27,52 @@ else endif -# gzip support sources (i.e., C files) +# gzip support sources # -GZIP_DRV_SRC := $(GZIP_DIR)/ftgzip.c - -# gzip support headers +# All source and header files get loaded by `ftgzip.c' only if SYTEM_ZLIB is +# not defined (regardless whether we have a `single' or a `multi' build). +# However, it doesn't harm if we add everything as a dependency +# unconditionally. # -GZIP_DRV_H := +GZIP_DRV_SRCS := $(GZIP_DIR)/adler32.c \ + $(GZIP_DIR)/infblock.c \ + $(GZIP_DIR)/infblock.h \ + $(GZIP_DIR)/infcodes.c \ + $(GZIP_DIR)/infcodes.h \ + $(GZIP_DIR)/inffixed.h \ + $(GZIP_DIR)/inflate.c \ + $(GZIP_DIR)/inftrees.c \ + $(GZIP_DIR)/inftrees.h \ + $(GZIP_DIR)/infutil.c \ + $(GZIP_DIR)/infutil.h \ + $(GZIP_DIR)/zconf.h \ + $(GZIP_DIR)/zlib.h \ + $(GZIP_DIR)/zutil.c \ + $(GZIP_DIR)/zutil.h # gzip driver object(s) # -# GZIP_DRV_OBJ_M is used during `multi' builds -# GZIP_DRV_OBJ_S is used during `single' builds -# -ifeq ($(SYSTEM_ZLIB),) - GZIP_DRV_OBJ_M := $(GZIP_DRV_SRC:$(GZIP_DIR)/%.c=$(OBJ_DIR)/%.$O) -else - GZIP_DRV_OBJ_M := $(OBJ_DIR)/ftgzip.$O -endif -GZIP_DRV_OBJ_S := $(OBJ_DIR)/ftgzip.$O - -# gzip support source file for single build +# GZIP_DRV_OBJ is used during both `single' and `multi' builds # -GZIP_DRV_SRC_S := $(GZIP_DIR)/ftgzip.c +GZIP_DRV_OBJ := $(OBJ_DIR)/ftgzip.$O -# gzip support - single object +# gzip main source file # -$(GZIP_DRV_OBJ_S): $(GZIP_DRV_SRC_S) $(GZIP_DRV_SRC) $(FREETYPE_H) \ - $(GZIP_DRV_H) - $(GZIP_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(GZIP_DRV_SRC_S)) +GZIP_DRV_SRC := $(GZIP_DIR)/ftgzip.c -# gzip support - multiple objects +# gzip support - object # -$(OBJ_DIR)/%.$O: $(GZIP_DIR)/%.c $(FREETYPE_H) $(GZIP_DRV_H) - $(GZIP_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $<) +$(GZIP_DRV_OBJ): $(GZIP_DRV_SRC) $(GZIP_DRV_SRCS) $(FREETYPE_H) + $(GZIP_COMPILE) $T$(subst /,$(COMPILER_SEP),$@ $(GZIP_DRV_SRC)) # update main driver object lists # -DRV_OBJS_S += $(GZIP_DRV_OBJ_S) -DRV_OBJS_M += $(GZIP_DRV_OBJ_M) +DRV_OBJS_S += $(GZIP_DRV_OBJ) +DRV_OBJS_M += $(GZIP_DRV_OBJ) # EOF |