summary refs log tree commit diff
path: root/symlinks.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-09 13:35:31 -0700
committerJunio C Hamano <gitster@pobox.com>2009-07-09 20:05:19 -0700
commitb9fd284657de3ec30922fb17c0baf243ae947fdd (patch)
treedb952a083002444b5c95af6f40a39f8b32d258e0 /symlinks.c
parent867f72bf434a05b9eadf851a81564be5173fbba5 (diff)
Export thread-safe version of 'has_symlink_leading_path()'
The threaded index preloading will want it, so that it can avoid
locking by simply using a per-thread symlink/directory cache.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'symlinks.c')
-rw-r--r--symlinks.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/symlinks.c b/symlinks.c
index 08ad35330f..4bdded39c5 100644
--- a/symlinks.c
+++ b/symlinks.c
@@ -32,13 +32,7 @@ static int longest_path_match(const char *name_a, int len_a,
 	return match_len;
 }
 
-static struct cache_def {
-	char path[PATH_MAX + 1];
-	int len;
-	int flags;
-	int track_flags;
-	int prefix_len_stat_func;
-} default_cache;
+static struct cache_def default_cache;
 
 static inline void reset_lstat_cache(struct cache_def *cache)
 {
@@ -217,12 +211,17 @@ void clear_lstat_cache(void)
 /*
  * Return non-zero if path 'name' has a leading symlink component
  */
+int threaded_has_symlink_leading_path(struct cache_def *cache, const char *name, int len)
+{
+	return lstat_cache(cache, name, len, FL_SYMLINK|FL_DIR, USE_ONLY_LSTAT) & FL_SYMLINK;
+}
+
+/*
+ * Return non-zero if path 'name' has a leading symlink component
+ */
 int has_symlink_leading_path(const char *name, int len)
 {
-	struct cache_def *cache = &default_cache;	/* FIXME */
-	return lstat_cache(cache, name, len,
-			   FL_SYMLINK|FL_DIR, USE_ONLY_LSTAT) &
-		FL_SYMLINK;
+	return threaded_has_symlink_leading_path(&default_cache, name, len);
 }
 
 /*