--- a/misc/libfreetype/src/base/ftsystem.c Tue Jul 16 11:14:27 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,318 +0,0 @@
-/***************************************************************************/
-/* */
-/* ftsystem.c */
-/* */
-/* ANSI-specific FreeType low-level system interface (body). */
-/* */
-/* Copyright 1996-2001, 2002, 2006, 2008, 2009, 2010 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
- /*************************************************************************/
- /* */
- /* This file contains the default interface used by FreeType to access */
- /* low-level, i.e. memory management, i/o access as well as thread */
- /* synchronisation. It can be replaced by user-specific routines if */
- /* necessary. */
- /* */
- /*************************************************************************/
-
-
-#include <ft2build.h>
-#include FT_CONFIG_CONFIG_H
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_SYSTEM_H
-#include FT_ERRORS_H
-#include FT_TYPES_H
-
-
- /*************************************************************************/
- /* */
- /* MEMORY MANAGEMENT INTERFACE */
- /* */
- /*************************************************************************/
-
- /*************************************************************************/
- /* */
- /* It is not necessary to do any error checking for the */
- /* allocation-related functions. This will be done by the higher level */
- /* routines like ft_mem_alloc() or ft_mem_realloc(). */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_alloc */
- /* */
- /* <Description> */
- /* The memory allocation function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* size :: The requested size in bytes. */
- /* */
- /* <Return> */
- /* The address of newly allocated block. */
- /* */
- FT_CALLBACK_DEF( void* )
- ft_alloc( FT_Memory memory,
- long size )
- {
- FT_UNUSED( memory );
-
- return ft_smalloc( size );
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_realloc */
- /* */
- /* <Description> */
- /* The memory reallocation function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* cur_size :: The current size of the allocated memory block. */
- /* */
- /* new_size :: The newly requested size in bytes. */
- /* */
- /* block :: The current address of the block in memory. */
- /* */
- /* <Return> */
- /* The address of the reallocated memory block. */
- /* */
- FT_CALLBACK_DEF( void* )
- ft_realloc( FT_Memory memory,
- long cur_size,
- long new_size,
- void* block )
- {
- FT_UNUSED( memory );
- FT_UNUSED( cur_size );
-
- return ft_srealloc( block, new_size );
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_free */
- /* */
- /* <Description> */
- /* The memory release function. */
- /* */
- /* <Input> */
- /* memory :: A pointer to the memory object. */
- /* */
- /* block :: The address of block in memory to be freed. */
- /* */
- FT_CALLBACK_DEF( void )
- ft_free( FT_Memory memory,
- void* block )
- {
- FT_UNUSED( memory );
-
- ft_sfree( block );
- }
-
-
- /*************************************************************************/
- /* */
- /* RESOURCE MANAGEMENT INTERFACE */
- /* */
- /*************************************************************************/
-
-
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
-#undef FT_COMPONENT
-#define FT_COMPONENT trace_io
-
- /* We use the macro STREAM_FILE for convenience to extract the */
- /* system-specific stream handle from a given FreeType stream object */
-#define STREAM_FILE( stream ) ( (FT_FILE*)stream->descriptor.pointer )
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_ansi_stream_close */
- /* */
- /* <Description> */
- /* The function to close a stream. */
- /* */
- /* <Input> */
- /* stream :: A pointer to the stream object. */
- /* */
- FT_CALLBACK_DEF( void )
- ft_ansi_stream_close( FT_Stream stream )
- {
- ft_fclose( STREAM_FILE( stream ) );
-
- stream->descriptor.pointer = NULL;
- stream->size = 0;
- stream->base = 0;
- }
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* ft_ansi_stream_io */
- /* */
- /* <Description> */
- /* The function to open a stream. */
- /* */
- /* <Input> */
- /* stream :: A pointer to the stream object. */
- /* */
- /* offset :: The position in the data stream to start reading. */
- /* */
- /* buffer :: The address of buffer to store the read data. */
- /* */
- /* count :: The number of bytes to read from the stream. */
- /* */
- /* <Return> */
- /* The number of bytes actually read. If `count' is zero (this is, */
- /* the function is used for seeking), a non-zero return value */
- /* indicates an error. */
- /* */
- FT_CALLBACK_DEF( unsigned long )
- ft_ansi_stream_io( FT_Stream stream,
- unsigned long offset,
- unsigned char* buffer,
- unsigned long count )
- {
- FT_FILE* file;
-
-
- if ( !count && offset > stream->size )
- return 1;
-
- file = STREAM_FILE( stream );
-
- if ( stream->pos != offset )
- ft_fseek( file, offset, SEEK_SET );
-
- return (unsigned long)ft_fread( buffer, 1, count, file );
- }
-
-
- /* documentation is in ftstream.h */
-
- FT_BASE_DEF( FT_Error )
- FT_Stream_Open( FT_Stream stream,
- const char* filepathname )
- {
- FT_FILE* file;
-
-
- if ( !stream )
- return FT_Err_Invalid_Stream_Handle;
-
- stream->descriptor.pointer = NULL;
- stream->pathname.pointer = (char*)filepathname;
- stream->base = 0;
- stream->pos = 0;
- stream->read = NULL;
- stream->close = NULL;
-
- file = ft_fopen( filepathname, "rb" );
- if ( !file )
- {
- FT_ERROR(( "FT_Stream_Open:"
- " could not open `%s'\n", filepathname ));
-
- return FT_Err_Cannot_Open_Resource;
- }
-
- ft_fseek( file, 0, SEEK_END );
- stream->size = ft_ftell( file );
- if ( !stream->size )
- {
- FT_ERROR(( "FT_Stream_Open:" ));
- FT_ERROR(( " opened `%s' but zero-sized\n", filepathname ));
- ft_fclose( file );
- return FT_Err_Cannot_Open_Stream;
- }
- ft_fseek( file, 0, SEEK_SET );
-
- stream->descriptor.pointer = file;
- stream->read = ft_ansi_stream_io;
- stream->close = ft_ansi_stream_close;
-
- FT_TRACE1(( "FT_Stream_Open:" ));
- FT_TRACE1(( " opened `%s' (%d bytes) successfully\n",
- filepathname, stream->size ));
-
- return FT_Err_Ok;
- }
-
-
-#ifdef FT_DEBUG_MEMORY
-
- extern FT_Int
- ft_mem_debug_init( FT_Memory memory );
-
- extern void
- ft_mem_debug_done( FT_Memory memory );
-
-#endif
-
-
- /* documentation is in ftobjs.h */
-
- FT_BASE_DEF( FT_Memory )
- FT_New_Memory( void )
- {
- FT_Memory memory;
-
-
- memory = (FT_Memory)ft_smalloc( sizeof ( *memory ) );
- if ( memory )
- {
- memory->user = 0;
- memory->alloc = ft_alloc;
- memory->realloc = ft_realloc;
- memory->free = ft_free;
-#ifdef FT_DEBUG_MEMORY
- ft_mem_debug_init( memory );
-#endif
- }
-
- return memory;
- }
-
-
- /* documentation is in ftobjs.h */
-
- FT_BASE_DEF( void )
- FT_Done_Memory( FT_Memory memory )
- {
-#ifdef FT_DEBUG_MEMORY
- ft_mem_debug_done( memory );
-#endif
- ft_sfree( memory );
- }
-
-
-/* END */