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author | Eric Wong <normalperson@yhbt.net> | 2008-06-30 02:42:55 +0000 |
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committer | Eric Wong <normalperson@yhbt.net> | 2008-06-30 02:42:55 +0000 |
commit | 9873e07c5abf787d7805b4266a243e56240354dc (patch) | |
tree | 033498fb06470eb882c97fcedf52dc3f532fbbf8 /src/ringbuf.h | |
parent | aa828c1b2576f19a7d0de11a791ecd7f93c206dc (diff) | |
download | mpd-9873e07c5abf787d7805b4266a243e56240354dc.tar.gz mpd-9873e07c5abf787d7805b4266a243e56240354dc.tar.xz mpd-9873e07c5abf787d7805b4266a243e56240354dc.zip |
ringbuf: get_{write,read}_vector returns total bytes in both vec elts
This will eliminate unnecessary calls to ringbuf_{read,write}_space
git-svn-id: https://svn.musicpd.org/mpd/trunk@7389 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to '')
-rw-r--r-- | src/ringbuf.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/ringbuf.h b/src/ringbuf.h index dc3509363..1465e8fa2 100644 --- a/src/ringbuf.h +++ b/src/ringbuf.h @@ -85,8 +85,9 @@ void ringbuf_free(struct ringbuf * rb); * @param rb a pointer to the ringbuffer structure. * @param vec a pointer to a 2 element array of struct iovec. * + * @return total number of bytes readable into both vec elements */ -void ringbuf_get_read_vector(const struct ringbuf * rb, struct iovec * vec); +size_t ringbuf_get_read_vector(const struct ringbuf * rb, struct iovec * vec); /** * Fill a data structure with a description of the current writable @@ -106,8 +107,10 @@ void ringbuf_get_read_vector(const struct ringbuf * rb, struct iovec * vec); * * @param rb a pointer to the ringbuffer structure. * @param vec a pointer to a 2 element array of struct iovec. + * + * @return total number of bytes writable in both vec elements */ -void ringbuf_get_write_vector(const struct ringbuf * rb, struct iovec * vec); +size_t ringbuf_get_write_vector(const struct ringbuf * rb, struct iovec * vec); /** * Read data from the ringbuffer. |