* add mode_t arg to mu_util_create_dir_maybe, add mu_util_cache_dir

src/mu-log.c

@@ -174,7 +174,7 @@ mu_log_init  (const char* muhome,
 	g_return_val_if_fail (!MU_LOG, FALSE);	
 	g_return_val_if_fail (muhome, FALSE);
 
-	if (!mu_util_create_dir_maybe(muhome)) {
+	if (!mu_util_create_dir_maybe(muhome, 0700)) {
 		g_warning ("failed to init log in %s", muhome);
 		return FALSE;
 	}

src/mu-runtime.c

@@ -52,7 +52,7 @@ static void runtime_free (void);
 static gboolean
 mu_dir_is_readable_and_writable (const char* muhome)
 {
-	if (mu_util_create_dir_maybe (muhome))
+	if (mu_util_create_dir_maybe (muhome, 0700))
 		return TRUE;
 	
 	g_warning ("cannot use '%s' as a mu homedir", muhome);

src/mu-util.c

@@ -122,7 +122,7 @@ mu_util_create_tmpdir (void)
 				    G_DIR_SEPARATOR,
 				    (int)random()*getpid()*(int)time(NULL));
 
-	if (!mu_util_create_dir_maybe (dirname)) {
+	if (!mu_util_create_dir_maybe (dirname, 0700)) {
 		g_free (dirname);
 		return NULL;
 	}
@@ -131,6 +131,18 @@ mu_util_create_tmpdir (void)
 }
 
 
+const char*
+mu_util_cache_dir (void)
+{
+	static char cachedir [PATH_MAX];
+	
+	snprintf (cachedir, sizeof(cachedir), "%s%cmu-%u",
+		  g_get_tmp_dir(), G_DIR_SEPARATOR,
+		  getuid());
+
+	return cachedir;
+}
+
 
 gboolean
 mu_util_init_system (void)
@@ -219,7 +231,7 @@ mu_util_guess_mu_homedir (void)
 }
 
 gboolean
-mu_util_create_dir_maybe (const gchar *path)
+mu_util_create_dir_maybe (const gchar *path, mode_t mode)
 {
 	struct stat statbuf;
 	
@@ -234,7 +246,7 @@ mu_util_create_dir_maybe (const gchar *path)
 		}
 	}	
 		
-	if (g_mkdir_with_parents (path, 0700) != 0) {
+	if (g_mkdir_with_parents (path, mode) != 0) {
 		g_warning ("failed to create %s: %s",
 			   path, strerror(errno));
 		return FALSE;
@@ -289,6 +301,7 @@ mu_util_create_writeable_fd (const char* path, mode_t mode,
 	return fd;
 }
 
+
 gboolean
 mu_util_play (const char *path)
 {

src/mu-util.h

@@ -77,20 +77,9 @@ gchar* mu_util_guess_mu_homedir (void)
  * @return TRUE if a read/writeable directory `path' exists after
  * leaving this function, FALSE otherwise
  */
-gboolean mu_util_create_dir_maybe (const gchar *path)
+gboolean mu_util_create_dir_maybe (const gchar *path, mode_t mode)
     G_GNUC_WARN_UNUSED_RESULT;
 
-
-/** 
- * create a temporary dir (typically, in /tmp) with a unique name,
- * such that files can be saved there.
- * 
- * @return the name of the new dir, or NULL in case of error. Free with g_free
- */
-char* mu_util_create_tmpdir (void)
-	 	G_GNUC_MALLOC G_GNUC_WARN_UNUSED_RESULT;
-
-
 /**
  * check whether path is a directory, and optionally, if it's readable
  * and/or writeable
@@ -106,6 +95,13 @@ gboolean mu_util_check_dir (const gchar* path, gboolean readable,
     G_GNUC_WARN_UNUSED_RESULT;
 
 
+/** 
+ * get our the cache directory, typically, /tmp/mu-<userid>/
+ *  
+ * @return the cache directory; don't free 
+ */
+const char* mu_util_cache_dir (void) G_GNUC_CONST;
+
 
 /**
  * create a writeable file and return its file descriptor (which