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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:34:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:34:36 +0000 |
commit | 74ebeae0b4c411df9900224b90a6072b16098458 (patch) | |
tree | fee8f5c9e37f1a9f0842e026876c8af541fa2e86 /list.h | |
parent | Initial commit. (diff) | |
download | ethtool-74ebeae0b4c411df9900224b90a6072b16098458.tar.xz ethtool-74ebeae0b4c411df9900224b90a6072b16098458.zip |
Adding upstream version 1:6.7.upstream/1%6.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | list.h | 34 |
1 files changed, 34 insertions, 0 deletions
@@ -0,0 +1,34 @@ +#ifndef ETHTOOL_LIST_H__ +#define ETHTOOL_LIST_H__ + +#include <unistd.h> + +/* Generic list utilities */ + +struct list_head { + struct list_head *next, *prev; +}; + +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +static inline void list_add(struct list_head *new, struct list_head *head) +{ + head->next->prev = new; + new->next = head->next; + new->prev = head; + head->next = new; +} + +static inline void list_del(struct list_head *entry) +{ + entry->next->prev = entry->prev; + entry->prev->next = entry->next; + entry->next = NULL; + entry->prev = NULL; +} + +#define list_for_each_safe(pos, n, head) \ + for (pos = (head)->next, n = pos->next; pos != (head); \ + pos = n, n = pos->next) + +#endif |