Fix fc-lang to use new charset freezer API.

Charset freezer api now uses allocated object. Also required minor fixes to
charset freezer code to remove assumption that all input charsets are
persistant.

fc-lang/fc-lang.c

@@ -48,6 +48,8 @@ FcMemFree (int kind, int size)
 {
 }
 
+int FcDebugVal;
+
 FcChar8 *
 FcConfigHome (void)
 {
@@ -114,11 +116,11 @@ scanopen (char *file)
  * Comments begin with '#'
  */
 
-static FcCharSet *
-scan (FILE *f, char *file)
+static const FcCharSet *
+scan (FILE *f, char *file, FcCharSetFreezer *freezer)
 {
     FcCharSet	    *c = 0;
-    FcCharSet	*n;
+    const FcCharSet *n;
     int		    start, end, ucs4;
     char	    line[1024];
     int		    lineno = 0;
@@ -136,9 +138,9 @@ scan (FILE *f, char *file)
 	    f = scanopen (file);
 	    if (!f)
 		fatal (file, 0, "can't open");
-	    c = scan (f, file);
+	    n = scan (f, file, freezer);
 	    fclose (f);
-	    return c;
+	    return n;
 	}
 	if (strchr (line, '-'))
 	{
@@ -159,7 +161,7 @@ scan (FILE *f, char *file)
 		fatal (file, lineno, "out of memory");
 	}
     }
-    n = FcCharSetFreeze (c);
+    n = FcCharSetFreeze (freezer, c);
     FcCharSetDestroy (c);
     return n;
 }
@@ -222,7 +224,7 @@ int
 main (int argc, char **argv)
 {
     static char		*files[MAX_LANG];
-    static FcCharSet	*sets[MAX_LANG];
+    static const FcCharSet	*sets[MAX_LANG];
     static int		duplicate[MAX_LANG];
     static int		country[MAX_LANG];
     static char		*names[MAX_LANG];
@@ -242,7 +244,11 @@ main (int argc, char **argv)
     int		setRangeStart[26];
     int		setRangeEnd[26];
     FcChar8	setRangeChar;
+    FcCharSetFreezer	*freezer;
     
+    freezer = FcCharSetFreezerCreate ();
+    if (!freezer)
+	fatal (argv[0], 0, "out of memory");
     argi = 1;
     while (argv[argi])
     {
@@ -264,7 +270,7 @@ main (int argc, char **argv)
 	f = scanopen (files[i]);
 	if (!f)
 	    fatal (files[i], 0, strerror (errno));
-	sets[i] = scan (f, files[i]);
+	sets[i] = scan (f, files[i], freezer);
 	names[i] = get_name (files[i]);
 	langs[i] = get_lang(names[i]);
 	if (strchr (langs[i], '-'))

src/fccharset.c

@@ -1169,7 +1169,7 @@ FcCharSetFindFrozen (FcCharSetFreezer *freezer, const FcCharSet *orig)
     return NULL;
 }
 
-static const FcCharSet *
+const FcCharSet *
 FcCharSetFreeze (FcCharSetFreezer *freezer, const FcCharSet *fcs)
 {
     FcCharSet	    *b;
@@ -1177,10 +1177,6 @@ FcCharSetFreeze (FcCharSetFreezer *freezer, const FcCharSet *fcs)
     FcCharLeaf	    *l;
     int		    i;
 
-    n = FcCharSetFindFrozen (freezer, fcs);
-    if (n)
-	return n;
-    
     b = FcCharSetCreate ();
     if (!b)
 	goto bail0;
@@ -1217,7 +1213,7 @@ bail0:
     return n;
 }
 
-static FcCharSetFreezer *
+FcCharSetFreezer *
 FcCharSetFreezerCreate (void)
 {
     FcCharSetFreezer	*freezer;
@@ -1279,6 +1275,9 @@ FcCharSetSerializeAlloc (FcSerialize *serialize, const FcCharSet *cs)
 	    if (!serialize->cs_freezer)
 		return FcFalse;
 	}
+	if (FcCharSetFindFrozen (serialize->cs_freezer, cs))
+	    return FcTrue;
+    
         cs = FcCharSetFreeze (serialize->cs_freezer, cs);
     }
     

src/fcint.h

@@ -623,6 +623,12 @@ FcLangSetSerialize(FcSerialize *serialize, const FcLangSet *l);
 void
 FcLangCharSetPopulate (void);
 
+FcCharSetFreezer *
+FcCharSetFreezerCreate (void);
+
+const FcCharSet *
+FcCharSetFreeze (FcCharSetFreezer *freezer, const FcCharSet *fcs);
+
 void
 FcCharSetFreezerDestroy (FcCharSetFreezer *freezer);