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| author | Eric Wong <normalperson@yhbt.net> | 2008-10-07 22:07:29 +0200 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2008-10-07 22:07:29 +0200 |
| commit | bb04c6342e692b39d04126940570a5ade9ca371a (patch) | |
| tree | c2c5fbbcce69fbb6d53ee46d5c15587a8b88305a | |
| parent | e19f6905d9c209d7587177dbfdbc58869a2167cc (diff) | |
| download | mpd-bb04c6342e692b39d04126940570a5ade9ca371a.tar.gz mpd-bb04c6342e692b39d04126940570a5ade9ca371a.tar.xz mpd-bb04c6342e692b39d04126940570a5ade9ca371a.zip | |
songvec: add songvec_for_each iterator
This is so we can more consistently deal with locking
needed for thread-safety in iterator functions.
| -rw-r--r-- | src/songvec.c | 13 | ||||
| -rw-r--r-- | src/songvec.h | 2 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/songvec.c b/src/songvec.c index 8e3b9b955..dd188f46c 100644 --- a/src/songvec.c +++ b/src/songvec.c @@ -66,3 +66,16 @@ void songvec_destroy(struct songvec *sv) } sv->nr = 0; } + +int songvec_for_each(struct songvec *sv, int (*fn)(Song *, void *), void *arg) +{ + int i; + Song **sp = sv->base; + + for (i = sv->nr; --i >= 0; ) { + if (fn(*sp++, arg) < 0) + return -1; + } + + return 0; +} diff --git a/src/songvec.h b/src/songvec.h index 47b5ea6c0..dbe6be508 100644 --- a/src/songvec.h +++ b/src/songvec.h @@ -19,4 +19,6 @@ void songvec_add(struct songvec *sv, Song *add); void songvec_destroy(struct songvec *sv); +int songvec_for_each(struct songvec *sv, int (*fn)(Song *, void *), void *arg); + #endif /* SONGVEC_H */ |