diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2015-05-30 11:40:34 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-06-09 12:10:37 +0000 |
| commit | f58d821a5ac305c963722997713c6fc35a4dc6f7 (patch) | |
| tree | ef366e68fc1cd970272daabe67cd29baea01f8c3 /include/queue.h | |
| parent | 930e001165c2df0b491288b2a8de1071b58ac6ec (diff) | |
| download | chrome-ec-f58d821a5ac305c963722997713c6fc35a4dc6f7.tar.gz | |
Queue: add peek_memcpy function
Add queue_peek_memcpy to peek at queue and move the element using
specific memcpy function.
Also change memcpy prototype argument from void const * to const void*.
BUG=none
BRANCH=none
TEST=Compile and use.
Change-Id: I8c582563e7d204ee5568637f819d63404624faf6
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/274226
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Anton Staaf <robotboy@chromium.org>
Diffstat (limited to 'include/queue.h')
| -rw-r--r-- | include/queue.h | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/include/queue.h b/include/queue.h index a893b58194..d415b63a68 100644 --- a/include/queue.h +++ b/include/queue.h @@ -106,17 +106,17 @@ size_t queue_count(struct queue const *q); size_t queue_space(struct queue const *q); /* Add one unit to queue. */ -size_t queue_add_unit(struct queue const *q, void const *src); +size_t queue_add_unit(struct queue const *q, const void *src); /* Add multiple units to queue. */ -size_t queue_add_units(struct queue const *q, void const *src, size_t count); +size_t queue_add_units(struct queue const *q, const void *src, size_t count); /* Add multiple units to queue using supplied memcpy. */ size_t queue_add_memcpy(struct queue const *q, - void const *src, + const void *src, size_t count, void *(*memcpy)(void *dest, - void const *src, + const void *src, size_t n)); /* Remove one unit from the begin of the queue. */ @@ -130,7 +130,7 @@ size_t queue_remove_memcpy(struct queue const *q, void *dest, size_t count, void *(*memcpy)(void *dest, - void const *src, + const void *src, size_t n)); /* Peek (return but don't remove) the count elements starting with the i'th. */ @@ -139,6 +139,15 @@ size_t queue_peek_units(struct queue const *q, size_t i, size_t count); +/* Peek (return but don't remove) the count elements starting with the i'th. */ +size_t queue_peek_memcpy(struct queue const *q, + void *dest, + size_t i, + size_t count, + void *(*memcpy)(void *dest, + const void *src, + size_t n)); + /* * These macros will statically select the queue functions based on the number * of units that are to be added or removed if they can. The single unit add |