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authorLinus Torvalds <torvalds@linux-foundation.org>2007-03-31 03:39:30 (GMT)
committerJunio C Hamano <junkio@cox.net>2007-04-01 00:41:32 (GMT)
commit9fc42d609197ef331f1c5b2ce5ef6fc9f2ee634f (patch)
treeb59890e73a673167a4db90d85782851464c758f1 /builtin-ls-files.c
parentd8b6a1a10b93666246984a50d64a163e71163aeb (diff)
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Optimize directory listing with pathspec limiter.
The way things are set up, you can now pass a "pathspec" to the "read_directory()" function. If you pass NULL, it acts exactly like it used to do (read everything). If you pass a non-NULL pointer, it will simplify it into a "these are the prefixes without any special characters", and stop any readdir() early if the path in question doesn't match any of the prefixes. NOTE! This does *not* obviate the need for the caller to do the *exact* pathspec match later. It's a first-level filter on "read_directory()", but it does not do the full pathspec thing. Maybe it should. But in the meantime, builtin-add.c really does need to do first read_directory(dir, .., pathspec); if (pathspec) prune_directory(dir, pathspec, baselen); ie the "prune_directory()" part will do the *exact* pathspec pruning, while the "read_directory()" will use the pathspec just to do some quick high-level pruning of the directories it will recurse into. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'builtin-ls-files.c')
-rw-r--r--builtin-ls-files.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin-ls-files.c b/builtin-ls-files.c
index 4e1d5af..74a6aca 100644
--- a/builtin-ls-files.c
+++ b/builtin-ls-files.c
@@ -216,7 +216,7 @@ static void show_files(struct dir_struct *dir, const char *prefix)
if (baselen)
path = base = prefix;
- read_directory(dir, path, base, baselen);
+ read_directory(dir, path, base, baselen, pathspec);
if (show_others)
show_other_files(dir);
if (show_killed)