Add FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT.

Useful for embedded systems which don't need file stream support.

* src/base/ftsystem.c, src/base/ftobjs.c (FT_Stream_New): Implement
it.

ChangeLog

@@ -1,3 +1,12 @@
+2011-07-20  Chris Morgan  <cmorgan@cybexintl.com>
+
+	Add FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT.
+
+	Useful for embedded systems which don't need file stream support.
+
+	* src/base/ftsystem.c, src/base/ftobjs.c (FT_Stream_New): Implement
+	it.
+
 2011-07-20  Elton Chung  <elton328@gmail.com>
 
 	* src/base/ftpatent.c (FT_Face_SetUnpatentedHinting): Fix typo.

devel/ftoption.h

@@ -203,6 +203,17 @@ FT_BEGIN_HEADER
 #define FT_CONFIG_OPTION_USE_BZIP2
 
 
+  /*************************************************************************/
+  /*                                                                       */
+  /* Define to disable the use of file stream functions and types, FILE,   */
+  /* fopen() etc.  Enables the use of smaller system libraries on embedded */
+  /* systems that have multiple system libraries, some with or without     */
+  /* file stream support, in the cases where file stream support is not    */
+  /* necessary such as memory loading of font files.                       */
+  /*                                                                       */
+/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
+
+
   /*************************************************************************/
   /*                                                                       */
   /* DLL export compilation                                                */

include/freetype/config/ftoption.h

@@ -203,6 +203,17 @@ FT_BEGIN_HEADER
 /* #define FT_CONFIG_OPTION_USE_BZIP2 */
 
 
+  /*************************************************************************/
+  /*                                                                       */
+  /* Define to disable the use of file stream functions and types, FILE,   */
+  /* fopen() etc.  Enables the use of smaller system libraries on embedded */
+  /* systems that have multiple system libraries, some with or without     */
+  /* file stream support, in the cases where file stream support is not    */
+  /* necessary such as memory loading of font files.                       */
+  /*                                                                       */
+/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
+
+
   /*************************************************************************/
   /*                                                                       */
   /* DLL export compilation                                                */

src/base/ftobjs.c

@@ -155,6 +155,9 @@
                             (const FT_Byte*)args->memory_base,
                             args->memory_size );
     }
+
+#ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT
+
     else if ( args->flags & FT_OPEN_PATHNAME )
     {
       /* create a normal system stream */
@@ -170,6 +173,9 @@
       FT_FREE( stream );
       stream = args->stream;
     }
+
+#endif
+
     else
       error = FT_Err_Invalid_Argument;
 

src/base/ftsystem.c

@@ -4,7 +4,7 @@
 /*                                                                         */
 /*    ANSI-specific FreeType low-level system interface (body).            */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2006, 2008, 2009, 2010 by                   */
+/*  Copyright 1996-2002, 2006, 2008-2011 by                                */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -137,6 +137,7 @@
   /*                                                                       */
   /*************************************************************************/
 
+#ifndef FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT
 
   /*************************************************************************/
   /*                                                                       */
@@ -267,6 +268,7 @@
     return FT_Err_Ok;
   }
 
+#endif /* !FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
 
 #ifdef FT_DEBUG_MEMORY