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| author | Michael Brown | 2011-10-14 14:35:05 +0200 |
|---|---|---|
| committer | Michael Brown | 2011-10-14 15:33:31 +0200 |
| commit | 38b205d0a4d7c29f7ba32f3f96e4ded9790d0af2 (patch) | |
| tree | 07b6755344d0ebd251d299f81e65f8ef0f5f2e6d | |
| parent | [dhcp] Use a random DHCP transaction identifier (xid) (diff) | |
| download | ipxe-38b205d0a4d7c29f7ba32f3f96e4ded9790d0af2.tar.gz ipxe-38b205d0a4d7c29f7ba32f3f96e4ded9790d0af2.tar.xz ipxe-38b205d0a4d7c29f7ba32f3f96e4ded9790d0af2.zip | |
[list] Tidy up naming convention for list_contains() and friends
Signed-off-by: Michael Brown <mcb30@ipxe.org>
| -rw-r--r-- | src/include/ipxe/list.h | 56 | ||||
| -rw-r--r-- | src/net/fc.c | 2 | ||||
| -rw-r--r-- | src/net/netdevice.c | 2 |
3 files changed, 48 insertions, 12 deletions
diff --git a/src/include/ipxe/list.h b/src/include/ipxe/list.h index 4905aaa3a..8dc74139d 100644 --- a/src/include/ipxe/list.h +++ b/src/include/ipxe/list.h @@ -171,6 +171,18 @@ static inline int list_empty ( const struct list_head *list ) { list_entry ( (list)->next, type, member ) ) /** + * Iterate over a list + * + * @v pos Iterator + * @v head List head + */ +#define list_for_each( pos, head ) \ + for ( list_check ( (head) ), \ + pos = (head)->next; \ + pos != (head); \ + pos = (pos)->next ) + +/** * Iterate over entries in a list * * @v pos Iterator @@ -213,22 +225,46 @@ static inline int list_empty ( const struct list_head *list ) { tmp = list_entry ( tmp->member.next, typeof ( *tmp ), member ) ) /** + * Test if list contains a specified entry + * + * @v entry Entry + * @v head List head + * @ret present List contains specified entry + */ +static inline int list_contains ( struct list_head *entry, + struct list_head *head ) { + struct list_head *tmp; + + list_for_each ( tmp, head ) { + if ( tmp == entry ) + return 1; + } + return 0; +} +#define list_contains( entry, head ) ( { \ + list_check ( (head) ); \ + list_check ( (entry) ); \ + list_contains ( (entry), (head) ); } ) + +/** + * Test if list contains a specified entry + * + * @v entry Entry + * @v head List head + * @ret present List contains specified entry + */ +#define list_contains_entry( entry, head, member ) \ + list_contains ( &(entry)->member, (head) ) + +/** * Check list contains a specified entry * * @v entry Entry * @v head List head * @v member Name of list field within iterator's type */ -#define list_check_contains( entry, head, member ) do { \ - if ( ASSERTING ) { \ - typeof ( entry ) tmp; \ - int found = 0; \ - list_for_each_entry ( tmp, head, member ) { \ - if ( tmp == entry ) \ - found = 1; \ - } \ - assert ( found ); \ - } \ +#define list_check_contains_entry( entry, head, member ) do { \ + assert ( list_contains_entry ( (entry), (head), member ) ); \ } while ( 0 ) #endif /* _IPXE_LIST_H */ diff --git a/src/net/fc.c b/src/net/fc.c index 977ad07c7..f76cfe928 100644 --- a/src/net/fc.c +++ b/src/net/fc.c @@ -1625,7 +1625,7 @@ void fc_ulp_detach ( struct fc_ulp_user *user ) { return; /* Sanity checks */ - list_check_contains ( user, &ulp->users, list ); + list_check_contains_entry ( user, &ulp->users, list ); /* Detach user and log out if no users remain */ list_del ( &user->list ); diff --git a/src/net/netdevice.c b/src/net/netdevice.c index f5ec4191f..d1ae8af30 100644 --- a/src/net/netdevice.c +++ b/src/net/netdevice.c @@ -233,7 +233,7 @@ void netdev_tx_complete_err ( struct net_device *netdev, struct io_buffer *iobuf, int rc ) { /* Catch data corruption as early as possible */ - list_check_contains ( iobuf, &netdev->tx_queue, list ); + list_check_contains_entry ( iobuf, &netdev->tx_queue, list ); /* Dequeue and free I/O buffer */ list_del ( &iobuf->list ); |
