* 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

ChangeLog

@@ -1,8 +1,18 @@
+2006-02-25  David Turner  <david@freetype.org>
+
+    * 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
+
+
 2006-02-24  Chia-I Wu  <b90201047@ntu.edu.tw>
 
 	* src/base/ftoutln.c (FT_OUTLINE_GET_CONTOUR, ft_contour_has,
 	ft_contour_enclosed, ft_outline_get_orientation): Commented out.  We
-	have to wait until `FT_GlyphSlot_Own_Bitmap' is stabilized. 
+	have to wait until `FT_GlyphSlot_Own_Bitmap' is stabilized.
 	(FT_Outline_Embolden): Use `FT_Outline_Get_Orientation'.
 
 2006-02-24  Chia-I Wu  <b90201047@ntu.edu.tw>

include/freetype/config/ftoption.h

@@ -586,8 +586,13 @@ FT_BEGIN_HEADER
    * certain functions like ft_mem_alloc in a way that prevents recent GCC
    * releases from emitting zillions of `strict aliasing' warning messages
    * each time a memory-management function is called.
+   *
+   * note that it shouldn't be activated when compiling the library
+   * as C++
    */
+#ifndef __cplusplus
 #define FT_STRICT_ALIASING
+#endif
 
 
   /*
@@ -595,6 +600,11 @@ FT_BEGIN_HEADER
    * structures that was used prior to FreeType 2.2.  This also compiles in
    * a few obsolete functions to avoid linking problems on typical Unix
    * distributions.
+   *
+   * if you're on an embedded system, or if you're building a new
+   * distribution from scratch, it is recommended to disable the macro
+   * since it will reduce the library's code size and activate a few
+   * memory-saving optimizations as well.
    */
 #define FT_CONFIG_OPTION_OLD_INTERNALS
 

src/autofit/afcjk.c

@@ -131,7 +131,7 @@
     {
       AF_Point  pt   = seg->first;
       AF_Point  last = seg->last;
-      AF_Flags  f0   = pt->flags & AF_FLAG_CONTROL;
+      AF_Flags  f0   = (AF_Flags)(pt->flags & AF_FLAG_CONTROL);
       AF_Flags  f1;
 
 
@@ -140,7 +140,7 @@
       for ( ; pt != last; f0 = f1 )
       {
         pt = pt->next;
-        f1 = pt->flags & AF_FLAG_CONTROL;
+        f1 = (AF_Flags)(pt->flags & AF_FLAG_CONTROL);
 
         if ( !f0 && !f1 )
           break;
@@ -921,7 +921,9 @@
 
     org_len    = edge2->opos - edge->opos;
     cur_len    = af_cjk_compute_stem_width( hints, dim, org_len,
-                                            edge->flags, edge2->flags );
+                                            (AF_Edge_Flags)edge->flags,
+                                            (AF_Edge_Flags)edge2->flags );
+
     org_center = ( edge->opos + edge2->opos ) / 2 + anchor;
     cur_pos1   = org_center - cur_len / 2;
     cur_pos2   = cur_pos1 + cur_len;
@@ -1123,7 +1125,8 @@
 
 #endif /* 0 */
 
-          delta = af_hint_normal_stem( hints, edge, edge2, 0, 0 );
+          delta = af_hint_normal_stem( hints, edge, edge2, 0,
+                                       AF_DIMENSION_HORZ );
       }
       else
         af_hint_normal_stem( hints, edge, edge2, delta, dim );

src/base/ftobjs.c

@@ -2125,7 +2125,7 @@
 
     if ( FT_IS_SCALABLE( face ) )
     {
-      FT_Long  w, h, scaled_w, scaled_h;
+      FT_Long  w, h, scaled_w = 0, scaled_h = 0;
 
 
       switch ( req->type )
@@ -3688,8 +3688,9 @@
         FT_Service_TrueTypeEngine  service;
 
 
-        service = ft_module_get_service( module,
-                                         FT_SERVICE_ID_TRUETYPE_ENGINE );
+        service = (FT_Service_TrueTypeEngine)
+                    ft_module_get_service( module,
+                                           FT_SERVICE_ID_TRUETYPE_ENGINE );
         if ( service )
           result = service->engine_type;
       }

src/base/ftutil.c

@@ -334,16 +334,15 @@
 
   FT_BASE_DEF( void )
   ft_mem_free( FT_Memory  memory,
-               void**     P )
+               void*     *P )
   {
     FT_TRACE7(( "ft_mem_free:" ));
-    FT_TRACE7(( " Freeing block 0x%08p, ref 0x%08p\n",
-                P, P ? *P : (void*)0 ));
+    FT_TRACE7(( " Freeing block 0x%08p ref 0x%08p\n", P, *P ));
 
     if ( P && *P )
     {
       memory->free( memory, *P );
-      *P = 0;
+      *P = NULL;
     }
   }
 
@@ -623,10 +622,7 @@
            void*     *P )
   {
     if ( *P )
-    {
-      ft_mem_free( memory, *P );
-      *P = NULL;
-    }
+      FT_MEM_FREE( *P );
   }
 
 #endif /* FT_CONFIG_OPTION_OLD_INTERNALS */

src/cff/cffobjs.c

@@ -206,7 +206,7 @@
     if ( FT_HAS_FIXED_SIZES( size->face ) )
     {
       CFF_Face      cffface = (CFF_Face)size->face;
-      SFNT_Service  sfnt    = cffface->sfnt;
+      SFNT_Service  sfnt    = (SFNT_Service)cffface->sfnt;
       FT_ULong      index;
 
 

src/psaux/afmparse.c

@@ -513,7 +513,7 @@
             return AFM_TOKEN_UNKNOWN;
 
           if ( ft_strncmp( afm_key_table[n], key, len ) == 0 )
-            return n;
+            return (AFM_Token) n;
         }
       }
     }
@@ -578,7 +578,7 @@
     else
       return PSaux_Err_Syntax_Error;
   }
-                       
+
 
   static FT_Error
   afm_parse_track_kern( AFM_Parser  parser )
@@ -606,7 +606,7 @@
     while ( ( key = afm_parser_next_key( parser, 1, &len ) ) != 0 )
     {
       AFM_ValueRec  shared_vals[5];
-      
+
 
       switch ( afm_tokenize( key, len ) )
       {
@@ -796,7 +796,7 @@
         break;
 
       case AFM_TOKEN_ENDKERNDATA:
-      case AFM_TOKEN_ENDFONTMETRICS: 
+      case AFM_TOKEN_ENDFONTMETRICS:
         return PSaux_Err_Ok;
 
       case AFM_TOKEN_UNKNOWN:
@@ -940,7 +940,7 @@
           goto Fail;
         /* fall through since we only support kern data */
 
-      case AFM_TOKEN_ENDFONTMETRICS: 
+      case AFM_TOKEN_ENDFONTMETRICS:
         return PSaux_Err_Ok;
         break;
 

src/sfnt/ttbdf.c

@@ -92,11 +92,7 @@
            ( strings - 8 ) / 4 < num_strikes ||
            strings + 1 > length              )
       {
-      BadTable:
-        FT_FRAME_RELEASE( bdf->table );
-        FT_ZERO( bdf );
-        error = FT_Err_Invalid_Table;
-        goto Exit;
+        goto BadTable;
       }
 
       bdf->num_strikes  = num_strikes;
@@ -132,6 +128,12 @@
 
   Exit:
     return error;
+
+  BadTable:
+    FT_FRAME_RELEASE( bdf->table );
+    FT_ZERO( bdf );
+    error = FT_Err_Invalid_Table;
+    goto Exit;
   }
 
 

src/tools/apinames.c

@@ -86,14 +86,14 @@ names_add( const char*  name,
   if ( num_names >= max_names )
   {
     max_names += (max_names >> 1) + 4;
-    the_names  = realloc( the_names, sizeof(the_names[0])*max_names );
+    the_names  = (NameRec*)realloc( the_names, sizeof(the_names[0])*max_names );
     if ( the_names == NULL )
       panic( "not enough memory" );
   }
   nm = &the_names[num_names++];
 
   nm->hash = h;
-  nm->name = malloc( len+1 );
+  nm->name = (char*)malloc( len+1 );
   if ( nm->name == NULL )
     panic( "not enough memory" );
 
@@ -289,23 +289,25 @@ read_header_file( FILE*  file, int  verbose )
 static void
 usage( void )
 {
+  static const char* const  format =
+   "%s %s: extract FreeType API names from header files\n\n"
+   "this program is used to extract the list of public FreeType API\n"
+   "functions. It receives the list of header files as argument and\n"
+   "generates a sorted list of unique identifiers\n\n"
+
+   "usage: %s header1 [options] [header2 ...]\n\n"
+
+   "options:   -      : parse the content of stdin, ignore arguments\n"
+   "           -v     : verbose mode, output sent to standard error\n"
+   "           -oFILE : write output to FILE instead of standard output\n"
+   "           -dNAME : indicate DLL file name, 'freetype.dll' by default\n"
+   "           -w     : output .DEF file for Visual C++ and Mingw\n"
+   "           -wB    : output .DEF file for Borland C++\n"
+   "           -wW    : output Watcom Linker Response File\n"
+   "\n";
+
   fprintf( stderr,
-           "%s %s: extract FreeType API names from header files\n\n"
-           "this program is used to extract the list of public FreeType API\n"
-           "functions. It receives the list of header files as argument and\n"
-           "generates a sorted list of unique identifiers\n\n"
-
-           "usage: %s header1 [options] [header2 ...]\n\n"
-
-           "options:   -      : parse the content of stdin, ignore arguments\n"
-           "           -v     : verbose mode, output sent to standard error\n",
-           "           -oFILE : write output to FILE instead of standard output\n"
-           "           -dNAME : indicate DLL file name, 'freetype.dll' by default\n"
-           "           -w     : output .DEF file for Visual C++ and Mingw\n"
-           "           -wB    : output .DEF file for Borland C++\n"
-           "           -wW    : output Watcom Linker Response File\n"
-           "\n"
-           ,
+           format,
            PROGRAM_NAME,
            PROGRAM_VERSION,
            PROGRAM_NAME

src/truetype/ttdriver.c

@@ -158,7 +158,7 @@
     }
     else
     {
-      SFNT_Service      sfnt    = ttface->sfnt;
+      SFNT_Service      sfnt    = (SFNT_Service) ttface->sfnt;
       FT_Size_Metrics*  metrics = &size->metrics;
 
 
@@ -186,7 +186,7 @@
     if ( FT_HAS_FIXED_SIZES( size->face ) )
     {
       TT_Face       ttface = (TT_Face)size->face;
-      SFNT_Service  sfnt = ttface->sfnt;
+      SFNT_Service  sfnt   = (SFNT_Service) ttface->sfnt;
       FT_ULong      index;