--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/freetypefontrasteriser/freetype2/include/freetype/internal/ftmemory.h Wed Oct 27 16:14:22 2010 +0800
@@ -0,0 +1,333 @@
+/***************************************************************************/
+/* */
+/* ftmemory.h */
+/* */
+/* The FreeType memory management macros (specification). */
+/* */
+/* Copyright 1996-2001, 2002, 2004, 2005, 2006 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, FTL.TXT. By continuing to use, modify, or distribute */
+/* this file you indicate that you have read the license and */
+/* understand and accept it fully. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __FTMEMORY_H__
+#define __FTMEMORY_H__
+
+
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H
+#include FT_TYPES_H
+
+
+FT_BEGIN_HEADER
+
+
+ /*************************************************************************/
+ /* */
+ /* <Macro> */
+ /* FT_SET_ERROR */
+ /* */
+ /* <Description> */
+ /* This macro is used to set an implicit `error' variable to a given */
+ /* expression's value (usually a function call), and convert it to a */
+ /* boolean which is set whenever the value is != 0. */
+ /* */
+#undef FT_SET_ERROR
+#define FT_SET_ERROR( expression ) \
+ ( ( error = (expression) ) != 0 )
+
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+ /**** ****/
+ /**** ****/
+ /**** M E M O R Y ****/
+ /**** ****/
+ /**** ****/
+ /*************************************************************************/
+ /*************************************************************************/
+ /*************************************************************************/
+
+
+ /*
+ * C++ refuses to handle statements like p = (void*)anything; where `p'
+ * is a typed pointer. Since we don't have a `typeof' operator in
+ * standard C++, we have to use ugly casts.
+ */
+
+#ifdef __cplusplus
+#define FT_ASSIGNP( p, val ) *((void**)&(p)) = (val)
+#else
+#define FT_ASSIGNP( p, val ) (p) = (val)
+#endif
+
+
+
+#ifdef FT_DEBUG_MEMORY
+
+ FT_BASE( const char* ) _ft_debug_file;
+ FT_BASE( long ) _ft_debug_lineno;
+
+#define FT_DEBUG_INNER( exp ) ( _ft_debug_file = __FILE__, \
+ _ft_debug_lineno = __LINE__, \
+ (exp) )
+
+#define FT_ASSIGNP_INNER( p, exp ) ( _ft_debug_file = __FILE__, \
+ _ft_debug_lineno = __LINE__, \
+ FT_ASSIGNP( p, exp ) )
+
+#else /* !FT_DEBUG_MEMORY */
+
+#define FT_DEBUG_INNER( exp ) (exp)
+#define FT_ASSIGNP_INNER( p, exp ) FT_ASSIGNP( p, exp )
+
+#endif /* !FT_DEBUG_MEMORY */
+
+
+ /*
+ * The allocation functions return a pointer, and the error code
+ * is written to through the `p_error' parameter. See below for
+ * for documentation.
+ */
+
+ FT_BASE( FT_Pointer )
+ ft_mem_alloc( FT_Memory memory,
+ FT_Long size,
+ FT_Error *p_error );
+
+ FT_BASE( FT_Pointer )
+ ft_mem_qalloc( FT_Memory memory,
+ FT_Long size,
+ FT_Error *p_error );
+
+ FT_BASE( FT_Pointer )
+ ft_mem_realloc( FT_Memory memory,
+ FT_Long item_size,
+ FT_Long cur_count,
+ FT_Long new_count,
+ void* block,
+ FT_Error *p_error );
+
+ FT_BASE( FT_Pointer )
+ ft_mem_qrealloc( FT_Memory memory,
+ FT_Long item_size,
+ FT_Long cur_count,
+ FT_Long new_count,
+ void* block,
+ FT_Error *p_error );
+
+ FT_BASE( void )
+ ft_mem_free( FT_Memory memory,
+ const void* P );
+
+
+#define FT_MEM_ALLOC( ptr, size ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_alloc( memory, (size), &error ) )
+
+#define FT_MEM_FREE( ptr ) \
+ FT_BEGIN_STMNT \
+ ft_mem_free( memory, (ptr) ); \
+ (ptr) = NULL; \
+ FT_END_STMNT
+
+#define FT_MEM_NEW( ptr ) \
+ FT_MEM_ALLOC( ptr, sizeof ( *(ptr) ) )
+
+#define FT_MEM_REALLOC( ptr, cursz, newsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, 1, \
+ (cursz), (newsz), \
+ (ptr), &error ) )
+
+#define FT_MEM_QALLOC( ptr, size ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qalloc( memory, (size), &error ) )
+
+#define FT_MEM_QNEW( ptr ) \
+ FT_MEM_QALLOC( ptr, sizeof ( *(ptr) ) )
+
+#define FT_MEM_QREALLOC( ptr, cursz, newsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, 1, \
+ (cursz), (newsz), \
+ (ptr), &error ) )
+
+#define FT_MEM_QRENEW_ARRAY( ptr, cursz, newsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, sizeof ( *(ptr) ), \
+ (cursz), (newsz), \
+ (ptr), &error ) )
+
+#define FT_MEM_ALLOC_MULT( ptr, count, item_size ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, (item_size), \
+ 0, (count), \
+ NULL, &error ) )
+
+#define FT_MEM_REALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, (itmsz), \
+ (oldcnt), (newcnt), \
+ (ptr), &error ) )
+
+#define FT_MEM_QALLOC_MULT( ptr, count, item_size ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, (item_size), \
+ 0, (count), \
+ NULL, &error ) )
+
+#define FT_MEM_QREALLOC_MULT( ptr, oldcnt, newcnt, itmsz) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, (itmsz), \
+ (oldcnt), (newcnt), \
+ (ptr), &error ) )
+
+
+#define FT_MEM_SET_ERROR( cond ) ( (cond), error != 0 )
+
+
+#define FT_MEM_SET( dest, byte, count ) ft_memset( dest, byte, count )
+
+#define FT_MEM_COPY( dest, source, count ) ft_memcpy( dest, source, count )
+
+#define FT_MEM_MOVE( dest, source, count ) ft_memmove( dest, source, count )
+
+
+#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count )
+
+#define FT_ZERO( p ) FT_MEM_ZERO( p, sizeof ( *(p) ) )
+
+
+#define FT_ARRAY_ZERO( dest, count ) \
+ FT_MEM_ZERO( dest, (count) * sizeof ( *(dest) ) )
+
+#define FT_ARRAY_COPY( dest, source, count ) \
+ FT_MEM_COPY( dest, source, (count) * sizeof ( *(dest) ) )
+
+#define FT_ARRAY_MOVE( dest, source, count ) \
+ FT_MEM_MOVE( dest, source, (count) * sizeof ( *(dest) ) )
+
+
+ /*
+ * Return the maximum number of adressable elements in an array.
+ * We limit ourselves to INT_MAX, rather than UINT_MAX, to avoid
+ * any problems.
+ */
+#define FT_ARRAY_MAX( ptr ) ( FT_INT_MAX / sizeof ( *(ptr) ) )
+
+#define FT_ARRAY_CHECK( ptr, count ) ( (count) <= FT_ARRAY_MAX( ptr ) )
+
+
+ /*************************************************************************/
+ /* */
+ /* The following functions macros expect that their pointer argument is */
+ /* _typed_ in order to automatically compute array element sizes. */
+ /* */
+
+#define FT_MEM_NEW_ARRAY( ptr, count ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, sizeof ( *(ptr) ), \
+ 0, (count), \
+ NULL, &error ) )
+
+#define FT_MEM_RENEW_ARRAY( ptr, cursz, newsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_realloc( memory, sizeof ( *(ptr) ), \
+ (cursz), (newsz), \
+ (ptr), &error ) )
+
+#define FT_MEM_QNEW_ARRAY( ptr, count ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, sizeof ( *(ptr) ), \
+ 0, (count), \
+ NULL, &error ) )
+
+#define FT_MEM_QRENEW_ARRAY( ptr, cursz, newsz ) \
+ FT_ASSIGNP_INNER( ptr, ft_mem_qrealloc( memory, sizeof ( *(ptr) ), \
+ (cursz), (newsz), \
+ (ptr), &error ) )
+
+
+#define FT_ALLOC( ptr, size ) \
+ FT_MEM_SET_ERROR( FT_MEM_ALLOC( ptr, size ) )
+
+#define FT_REALLOC( ptr, cursz, newsz ) \
+ FT_MEM_SET_ERROR( FT_MEM_REALLOC( ptr, cursz, newsz ) )
+
+#define FT_ALLOC_MULT( ptr, count, item_size ) \
+ FT_MEM_SET_ERROR( FT_MEM_ALLOC_MULT( ptr, count, item_size ) )
+
+#define FT_REALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \
+ FT_MEM_SET_ERROR( FT_MEM_REALLOC_MULT( ptr, oldcnt, \
+ newcnt, itmsz ) )
+
+#define FT_QALLOC( ptr, size ) \
+ FT_MEM_SET_ERROR( FT_MEM_QALLOC( ptr, size ) )
+
+#define FT_QREALLOC( ptr, cursz, newsz ) \
+ FT_MEM_SET_ERROR( FT_MEM_QREALLOC( ptr, cursz, newsz ) )
+
+#define FT_QALLOC_MULT( ptr, count, item_size ) \
+ FT_MEM_SET_ERROR( FT_MEM_QALLOC_MULT( ptr, count, item_size ) )
+
+#define FT_QREALLOC_MULT( ptr, oldcnt, newcnt, itmsz ) \
+ FT_MEM_SET_ERROR( FT_MEM_QREALLOC_MULT( ptr, oldcnt, \
+ newcnt, itmsz ) )
+
+#define FT_FREE( ptr ) FT_MEM_FREE( ptr )
+
+#define FT_NEW( ptr ) FT_MEM_SET_ERROR( FT_MEM_NEW( ptr ) )
+
+#define FT_NEW_ARRAY( ptr, count ) \
+ FT_MEM_SET_ERROR( FT_MEM_NEW_ARRAY( ptr, count ) )
+
+#define FT_RENEW_ARRAY( ptr, curcnt, newcnt ) \
+ FT_MEM_SET_ERROR( FT_MEM_RENEW_ARRAY( ptr, curcnt, newcnt ) )
+
+#define FT_QNEW( ptr ) \
+ FT_MEM_SET_ERROR( FT_MEM_QNEW( ptr ) )
+
+#define FT_QNEW_ARRAY( ptr, count ) \
+ FT_MEM_SET_ERROR( FT_MEM_NEW_ARRAY( ptr, count ) )
+
+#define FT_QRENEW_ARRAY( ptr, curcnt, newcnt ) \
+ FT_MEM_SET_ERROR( FT_MEM_RENEW_ARRAY( ptr, curcnt, newcnt ) )
+
+
+#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
+
+ FT_BASE( FT_Error )
+ FT_Alloc( FT_Memory memory,
+ FT_Long size,
+ void* *P );
+
+ FT_BASE( FT_Error )
+ FT_QAlloc( FT_Memory memory,
+ FT_Long size,
+ void* *p );
+
+ FT_BASE( FT_Error )
+ FT_Realloc( FT_Memory memory,
+ FT_Long current,
+ FT_Long size,
+ void* *P );
+
+ FT_BASE( FT_Error )
+ FT_QRealloc( FT_Memory memory,
+ FT_Long current,
+ FT_Long size,
+ void* *p );
+
+ FT_BASE( void )
+ FT_Free( FT_Memory memory,
+ void* *P );
+
+#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
+
+
+ /* */
+
+
+FT_END_HEADER
+
+#endif /* __FTMEMORY_H__ */
+
+
+/* END */