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authorLinus Torvalds <torvalds@linux-foundation.org>2007-03-30 20:39:30 -0700
committerJunio C Hamano <junkio@cox.net>2007-03-31 17:41:32 -0700
commit9fc42d609197ef331f1c5b2ce5ef6fc9f2ee634f (patch)
treeb59890e73a673167a4db90d85782851464c758f1 /dir.h
parentd8b6a1a10b93666246984a50d64a163e71163aeb (diff)
downloadgit-9fc42d609197ef331f1c5b2ce5ef6fc9f2ee634f.tar.gz
git-9fc42d609197ef331f1c5b2ce5ef6fc9f2ee634f.tar.xz
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 'dir.h')
-rw-r--r--dir.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/dir.h b/dir.h
index 7233d65bb..33c31f25f 100644
--- a/dir.h
+++ b/dir.h
@@ -48,7 +48,7 @@ extern int common_prefix(const char **pathspec);
#define MATCHED_EXACTLY 3
extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);
-extern int read_directory(struct dir_struct *, const char *path, const char *base, int baselen);
+extern int read_directory(struct dir_struct *, const char *path, const char *base, int baselen, const char **pathspec);
extern int push_exclude_per_directory(struct dir_struct *, const char *, int);
extern void pop_exclude_per_directory(struct dir_struct *, int);