From: Patrick Lam <plam@MIT.EDU>
Date: Sat, 18 Feb 2006 18:18:07 +0000 (+0000)
Subject: Fix the underlying cause of the below segfault (must usually call
X-Git-Tag: fc-2_3_94~13
X-Git-Url: https://git.wh0rd.org/?p=fontconfig.git;a=commitdiff_plain;h=530e66b008c0d5b972b54046a5b15e76c8e989b6

Fix the underlying cause of the below segfault (must usually call
    FcDirCacheHasCurrentArch after FcDirCacheValid).
---

diff --git a/ChangeLog b/ChangeLog
index 840a372..737db03 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,16 @@
+2006-02-18  Patrick Lam  <plam@mit.edu>
+	* fc-cache/fc-cache.c (scanDirs):
+	* src/fccache.c (FcCacheReadDirs):
+	* src/fcdir.c (FcDirScanConfig):
+
+	Fix the underlying cause of the below segfault (must usually
+	call FcDirCacheHasCurrentArch after FcDirCacheValid).
+	
 2006-02-18  Patrick Lam  <plam@mit.edu>
 	* src/fccache.c (FcDirCacheHasCurrentArch):
 
-	Fix segfault (reported by fcrozat) caused by incorrect
-	input on cache files.
+	Fix triggering of segfault caused by misreading cache files
+	(reported by fcrozat).
 
 2006-02-17  Patrick Lam  <plam@mit.edu>
 	* src/fcint.h  (FC_CACHE_MAGIC):
diff --git a/fc-cache/fc-cache.c b/fc-cache/fc-cache.c
index b80d416..ba1ba2b 100644
--- a/fc-cache/fc-cache.c
+++ b/fc-cache/fc-cache.c
@@ -234,6 +234,8 @@ scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool
 		printf ("caching, %d fonts, %d dirs\n", 
 			set->nfont, nsubdirs (subdirs));
 
+	    /* This is the only reason we can't combine 
+	     * Valid w/HasCurrentArch... */
             if (!FcDirCacheValid (dir))
                 if (!FcDirCacheUnlink (dir, config))
                     ret++;
diff --git a/src/fccache.c b/src/fccache.c
index da4abc7..98f0a88 100644
--- a/src/fccache.c
+++ b/src/fccache.c
@@ -931,7 +931,9 @@ FcCacheReadDirs (FcConfig * config, FcGlobalCache * cache,
 	    FcStrSetDestroy (subdirs);
 	    continue;
 	}
-	if (FcDirCacheValid (dir) && FcDirCacheRead (set, subdirs, dir, config))
+	if (FcDirCacheValid (dir) && 
+	    FcDirCacheHasCurrentArch (dir) && 
+	    FcDirCacheRead (set, subdirs, dir, config))
 	{
 	    /* if an old entry is found in the global cache, disable it */
 	    if ((d = FcGlobalCacheDirFind (cache, (const char *)dir)) != NULL)
diff --git a/src/fcdir.c b/src/fcdir.c
index 771c09b..18cb6cc 100644
--- a/src/fcdir.c
+++ b/src/fcdir.c
@@ -142,7 +142,9 @@ FcDirScanConfig (FcFontSet	*set,
 	if (cache && FcGlobalCacheReadDir (set, dirs, cache, (char *)dir, config))
 	    return FcTrue;
 
-	if (FcDirCacheValid (dir) && FcDirCacheRead (set, dirs, dir, config))
+	if (FcDirCacheValid (dir) && 
+	    FcDirCacheHasCurrentArch (dir) &&
+	    FcDirCacheRead (set, dirs, dir, config))
 	    return FcTrue;
     }