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author | Rusty Russell <rusty@rustcorp.com.au> | 2012-03-21 00:58:14 +1030 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2012-03-22 01:57:37 +0100 |
commit | 675593221c25dbebaaf8e4ce9f4271a8fb0171d0 (patch) | |
tree | e1f57a9e3919adb163c0acf1072708aca912945a /lib/ccan/list/list.h | |
parent | eafd83736918bc5953e4a91cf2d893e68f2da2a2 (diff) | |
download | samba-675593221c25dbebaaf8e4ce9f4271a8fb0171d0.tar.gz samba-675593221c25dbebaaf8e4ce9f4271a8fb0171d0.tar.bz2 samba-675593221c25dbebaaf8e4ce9f4271a8fb0171d0.zip |
lib/ccan: namespacize ccan/list to avoid conflict with OpenIndiana's sys/list.h
CCAN includes a little utility called "namespacize" which prepends ccan_ to
all public methods of a module, and fixes up any dependencies it finds. It's
a little primitive, but it works here.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/ccan/list/list.h')
-rw-r--r-- | lib/ccan/list/list.h | 312 |
1 files changed, 156 insertions, 156 deletions
diff --git a/lib/ccan/list/list.h b/lib/ccan/list/list.h index 0091ea4b65..10a20769f8 100644 --- a/lib/ccan/list/list.h +++ b/lib/ccan/list/list.h @@ -7,7 +7,7 @@ #include <ccan/check_type/check_type.h> /** - * struct list_node - an entry in a doubly-linked list + * struct ccan_list_node - an entry in a doubly-linked list * @next: next entry (self if empty) * @prev: previous entry (self if empty) * @@ -16,34 +16,34 @@ * struct child { * const char *name; * // Linked list of all us children. - * struct list_node list; + * struct ccan_list_node list; * }; */ -struct list_node +struct ccan_list_node { - struct list_node *next, *prev; + struct ccan_list_node *next, *prev; }; /** - * struct list_head - the head of a doubly-linked list - * @h: the list_head (containing next and prev pointers) + * struct ccan_list_head - the head of a doubly-linked list + * @h: the ccan_list_head (containing next and prev pointers) * * This is used as the head of a linked list. * Example: * struct parent { * const char *name; - * struct list_head children; + * struct ccan_list_head children; * unsigned int num_children; * }; */ -struct list_head +struct ccan_list_head { - struct list_node n; + struct ccan_list_node n; }; /** - * list_check - check head of a list for consistency - * @h: the list_head + * ccan_list_check - check head of a list for consistency + * @h: the ccan_list_head * @abortstr: the location to print on aborting, or NULL. * * Because list_nodes have redundant information, consistency checking between @@ -54,7 +54,7 @@ struct list_head * Returns the list head if the list is consistent, NULL if not (it * can never return NULL if @abortstr is set). * - * See also: list_check_node() + * See also: ccan_list_check_node() * * Example: * static void dump_parent(struct parent *p) @@ -62,159 +62,159 @@ struct list_head * struct child *c; * * printf("%s (%u children):\n", p->name, p->num_children); - * list_check(&p->children, "bad child list"); - * list_for_each(&p->children, c, list) + * ccan_list_check(&p->children, "bad child list"); + * ccan_list_for_each(&p->children, c, list) * printf(" -> %s\n", c->name); * } */ -struct list_head *list_check(const struct list_head *h, const char *abortstr); +struct ccan_list_head *ccan_list_check(const struct ccan_list_head *h, const char *abortstr); /** - * list_check_node - check node of a list for consistency - * @n: the list_node + * ccan_list_check_node - check node of a list for consistency + * @n: the ccan_list_node * @abortstr: the location to print on aborting, or NULL. * * Check consistency of the list node is in (it must be in one). * - * See also: list_check() + * See also: ccan_list_check() * * Example: * static void dump_child(const struct child *c) * { - * list_check_node(&c->list, "bad child list"); + * ccan_list_check_node(&c->list, "bad child list"); * printf("%s\n", c->name); * } */ -struct list_node *list_check_node(const struct list_node *n, +struct ccan_list_node *ccan_list_check_node(const struct ccan_list_node *n, const char *abortstr); #ifdef CCAN_LIST_DEBUG -#define list_debug(h) list_check((h), __func__) -#define list_debug_node(n) list_check_node((n), __func__) +#define ccan_list_debug(h) ccan_list_check((h), __func__) +#define ccan_list_debug_node(n) ccan_list_check_node((n), __func__) #else -#define list_debug(h) (h) -#define list_debug_node(n) (n) +#define ccan_list_debug(h) (h) +#define ccan_list_debug_node(n) (n) #endif /** - * LIST_HEAD_INIT - initializer for an empty list_head + * CCAN_LIST_HEAD_INIT - initializer for an empty ccan_list_head * @name: the name of the list. * * Explicit initializer for an empty list. * * See also: - * LIST_HEAD, list_head_init() + * CCAN_LIST_HEAD, ccan_list_head_init() * * Example: - * static struct list_head my_list = LIST_HEAD_INIT(my_list); + * static struct ccan_list_head my_list = CCAN_LIST_HEAD_INIT(my_list); */ -#define LIST_HEAD_INIT(name) { { &name.n, &name.n } } +#define CCAN_LIST_HEAD_INIT(name) { { &name.n, &name.n } } /** - * LIST_HEAD - define and initialize an empty list_head + * CCAN_LIST_HEAD - define and initialize an empty ccan_list_head * @name: the name of the list. * - * The LIST_HEAD macro defines a list_head and initializes it to an empty - * list. It can be prepended by "static" to define a static list_head. + * The CCAN_LIST_HEAD macro defines a ccan_list_head and initializes it to an empty + * list. It can be prepended by "static" to define a static ccan_list_head. * * See also: - * LIST_HEAD_INIT, list_head_init() + * CCAN_LIST_HEAD_INIT, ccan_list_head_init() * * Example: - * static LIST_HEAD(my_global_list); + * static CCAN_LIST_HEAD(my_global_list); */ -#define LIST_HEAD(name) \ - struct list_head name = LIST_HEAD_INIT(name) +#define CCAN_LIST_HEAD(name) \ + struct ccan_list_head name = CCAN_LIST_HEAD_INIT(name) /** - * list_head_init - initialize a list_head - * @h: the list_head to set to the empty list + * ccan_list_head_init - initialize a ccan_list_head + * @h: the ccan_list_head to set to the empty list * * Example: * ... * struct parent *parent = malloc(sizeof(*parent)); * - * list_head_init(&parent->children); + * ccan_list_head_init(&parent->children); * parent->num_children = 0; */ -static inline void list_head_init(struct list_head *h) +static inline void ccan_list_head_init(struct ccan_list_head *h) { h->n.next = h->n.prev = &h->n; } /** - * list_add - add an entry at the start of a linked list. - * @h: the list_head to add the node to - * @n: the list_node to add to the list. + * ccan_list_add - add an entry at the start of a linked list. + * @h: the ccan_list_head to add the node to + * @n: the ccan_list_node to add to the list. * - * The list_node does not need to be initialized; it will be overwritten. + * The ccan_list_node does not need to be initialized; it will be overwritten. * Example: * struct child *child = malloc(sizeof(*child)); * * child->name = "marvin"; - * list_add(&parent->children, &child->list); + * ccan_list_add(&parent->children, &child->list); * parent->num_children++; */ -static inline void list_add(struct list_head *h, struct list_node *n) +static inline void ccan_list_add(struct ccan_list_head *h, struct ccan_list_node *n) { n->next = h->n.next; n->prev = &h->n; h->n.next->prev = n; h->n.next = n; - (void)list_debug(h); + (void)ccan_list_debug(h); } /** - * list_add_tail - add an entry at the end of a linked list. - * @h: the list_head to add the node to - * @n: the list_node to add to the list. + * ccan_list_add_tail - add an entry at the end of a linked list. + * @h: the ccan_list_head to add the node to + * @n: the ccan_list_node to add to the list. * - * The list_node does not need to be initialized; it will be overwritten. + * The ccan_list_node does not need to be initialized; it will be overwritten. * Example: - * list_add_tail(&parent->children, &child->list); + * ccan_list_add_tail(&parent->children, &child->list); * parent->num_children++; */ -static inline void list_add_tail(struct list_head *h, struct list_node *n) +static inline void ccan_list_add_tail(struct ccan_list_head *h, struct ccan_list_node *n) { n->next = &h->n; n->prev = h->n.prev; h->n.prev->next = n; h->n.prev = n; - (void)list_debug(h); + (void)ccan_list_debug(h); } /** - * list_empty - is a list empty? - * @h: the list_head + * ccan_list_empty - is a list empty? + * @h: the ccan_list_head * * If the list is empty, returns true. * * Example: - * assert(list_empty(&parent->children) == (parent->num_children == 0)); + * assert(ccan_list_empty(&parent->children) == (parent->num_children == 0)); */ -static inline bool list_empty(const struct list_head *h) +static inline bool ccan_list_empty(const struct ccan_list_head *h) { - (void)list_debug(h); + (void)ccan_list_debug(h); return h->n.next == &h->n; } /** - * list_del - delete an entry from an (unknown) linked list. - * @n: the list_node to delete from the list. + * ccan_list_del - delete an entry from an (unknown) linked list. + * @n: the ccan_list_node to delete from the list. * * Note that this leaves @n in an undefined state; it can be added to * another list, but not deleted again. * * See also: - * list_del_from() + * ccan_list_del_from() * * Example: - * list_del(&child->list); + * ccan_list_del(&child->list); * parent->num_children--; */ -static inline void list_del(struct list_node *n) +static inline void ccan_list_del(struct ccan_list_node *n) { - (void)list_debug_node(n); + (void)ccan_list_debug_node(n); n->next->prev = n->prev; n->prev->next = n->next; #ifdef CCAN_LIST_DEBUG @@ -224,134 +224,134 @@ static inline void list_del(struct list_node *n) } /** - * list_del_from - delete an entry from a known linked list. - * @h: the list_head the node is in. - * @n: the list_node to delete from the list. + * ccan_list_del_from - delete an entry from a known linked list. + * @h: the ccan_list_head the node is in. + * @n: the ccan_list_node to delete from the list. * * This explicitly indicates which list a node is expected to be in, * which is better documentation and can catch more bugs. * - * See also: list_del() + * See also: ccan_list_del() * * Example: - * list_del_from(&parent->children, &child->list); + * ccan_list_del_from(&parent->children, &child->list); * parent->num_children--; */ -static inline void list_del_from(struct list_head *h, struct list_node *n) +static inline void ccan_list_del_from(struct ccan_list_head *h, struct ccan_list_node *n) { #ifdef CCAN_LIST_DEBUG { /* Thorough check: make sure it was in list! */ - struct list_node *i; + struct ccan_list_node *i; for (i = h->n.next; i != n; i = i->next) assert(i != &h->n); } #endif /* CCAN_LIST_DEBUG */ /* Quick test that catches a surprising number of bugs. */ - assert(!list_empty(h)); - list_del(n); + assert(!ccan_list_empty(h)); + ccan_list_del(n); } /** - * list_entry - convert a list_node back into the structure containing it. - * @n: the list_node + * ccan_list_entry - convert a ccan_list_node back into the structure containing it. + * @n: the ccan_list_node * @type: the type of the entry - * @member: the list_node member of the type + * @member: the ccan_list_node member of the type * * Example: * // First list entry is children.next; convert back to child. - * child = list_entry(parent->children.n.next, struct child, list); + * child = ccan_list_entry(parent->children.n.next, struct child, list); * * See Also: - * list_top(), list_for_each() + * ccan_list_top(), ccan_list_for_each() */ -#define list_entry(n, type, member) container_of(n, type, member) +#define ccan_list_entry(n, type, member) container_of(n, type, member) /** - * list_top - get the first entry in a list - * @h: the list_head + * ccan_list_top - get the first entry in a list + * @h: the ccan_list_head * @type: the type of the entry - * @member: the list_node member of the type + * @member: the ccan_list_node member of the type * * If the list is empty, returns NULL. * * Example: * struct child *first; - * first = list_top(&parent->children, struct child, list); + * first = ccan_list_top(&parent->children, struct child, list); */ -#define list_top(h, type, member) \ - ((type *)list_top_((h), list_off_(type, member))) +#define ccan_list_top(h, type, member) \ + ((type *)ccan_list_top_((h), ccan_list_off_(type, member))) -static inline const void *list_top_(const struct list_head *h, size_t off) +static inline const void *ccan_list_top_(const struct ccan_list_head *h, size_t off) { - if (list_empty(h)) + if (ccan_list_empty(h)) return NULL; return (const char *)h->n.next - off; } /** - * list_tail - get the last entry in a list - * @h: the list_head + * ccan_list_tail - get the last entry in a list + * @h: the ccan_list_head * @type: the type of the entry - * @member: the list_node member of the type + * @member: the ccan_list_node member of the type * * If the list is empty, returns NULL. * * Example: * struct child *last; - * last = list_tail(&parent->children, struct child, list); + * last = ccan_list_tail(&parent->children, struct child, list); */ -#define list_tail(h, type, member) \ - ((type *)list_tail_((h), list_off_(type, member))) +#define ccan_list_tail(h, type, member) \ + ((type *)ccan_list_tail_((h), ccan_list_off_(type, member))) -static inline const void *list_tail_(const struct list_head *h, size_t off) +static inline const void *ccan_list_tail_(const struct ccan_list_head *h, size_t off) { - if (list_empty(h)) + if (ccan_list_empty(h)) return NULL; return (const char *)h->n.prev - off; } /** - * list_for_each - iterate through a list. - * @h: the list_head (warning: evaluated multiple times!) - * @i: the structure containing the list_node - * @member: the list_node member of the structure + * ccan_list_for_each - iterate through a list. + * @h: the ccan_list_head (warning: evaluated multiple times!) + * @i: the structure containing the ccan_list_node + * @member: the ccan_list_node member of the structure * * This is a convenient wrapper to iterate @i over the entire list. It's * a for loop, so you can break and continue as normal. * * Example: - * list_for_each(&parent->children, child, list) + * ccan_list_for_each(&parent->children, child, list) * printf("Name: %s\n", child->name); */ -#define list_for_each(h, i, member) \ - list_for_each_off(h, i, list_off_var_(i, member)) +#define ccan_list_for_each(h, i, member) \ + ccan_list_for_each_off(h, i, ccan_list_off_var_(i, member)) /** - * list_for_each_rev - iterate through a list backwards. - * @h: the list_head - * @i: the structure containing the list_node - * @member: the list_node member of the structure + * ccan_list_for_each_rev - iterate through a list backwards. + * @h: the ccan_list_head + * @i: the structure containing the ccan_list_node + * @member: the ccan_list_node member of the structure * * This is a convenient wrapper to iterate @i over the entire list. It's * a for loop, so you can break and continue as normal. * * Example: - * list_for_each_rev(&parent->children, child, list) + * ccan_list_for_each_rev(&parent->children, child, list) * printf("Name: %s\n", child->name); */ -#define list_for_each_rev(h, i, member) \ - for (i = container_of_var(list_debug(h)->n.prev, i, member); \ +#define ccan_list_for_each_rev(h, i, member) \ + for (i = container_of_var(ccan_list_debug(h)->n.prev, i, member); \ &i->member != &(h)->n; \ i = container_of_var(i->member.prev, i, member)) /** - * list_for_each_safe - iterate through a list, maybe during deletion - * @h: the list_head - * @i: the structure containing the list_node - * @nxt: the structure containing the list_node - * @member: the list_node member of the structure + * ccan_list_for_each_safe - iterate through a list, maybe during deletion + * @h: the ccan_list_head + * @i: the structure containing the ccan_list_node + * @nxt: the structure containing the ccan_list_node + * @member: the ccan_list_node member of the structure * * This is a convenient wrapper to iterate @i over the entire list. It's * a for loop, so you can break and continue as normal. The extra variable @@ -359,17 +359,17 @@ static inline const void *list_tail_(const struct list_head *h, size_t off) * * Example: * struct child *next; - * list_for_each_safe(&parent->children, child, next, list) { - * list_del(&child->list); + * ccan_list_for_each_safe(&parent->children, child, next, list) { + * ccan_list_del(&child->list); * parent->num_children--; * } */ -#define list_for_each_safe(h, i, nxt, member) \ - list_for_each_safe_off(h, i, nxt, list_off_var_(i, member)) +#define ccan_list_for_each_safe(h, i, nxt, member) \ + ccan_list_for_each_safe_off(h, i, nxt, ccan_list_off_var_(i, member)) /** - * list_for_each_off - iterate through a list of memory regions. - * @h: the list_head + * ccan_list_for_each_off - iterate through a list of memory regions. + * @h: the ccan_list_head * @i: the pointer to a memory region wich contains list node data. * @off: offset(relative to @i) at which list node data resides. * @@ -387,83 +387,83 @@ static inline const void *list_tail_(const struct list_head *h, size_t off) * caveat emptor. * * It is worth mentioning that one of legitimate use-cases for that wrapper - * is operation on opaque types with known offset for `struct list_node' + * is operation on opaque types with known offset for `struct ccan_list_node' * member(preferably 0), because it allows you not to disclose the type of * @i. * * Example: - * list_for_each_off(&parent->children, child, + * ccan_list_for_each_off(&parent->children, child, * offsetof(struct child, list)) * printf("Name: %s\n", child->name); */ -#define list_for_each_off(h, i, off) \ - for (i = list_node_to_off_(list_debug(h)->n.next, (off)); \ - list_node_from_off_((void *)i, (off)) != &(h)->n; \ - i = list_node_to_off_(list_node_from_off_((void *)i, (off))->next, \ +#define ccan_list_for_each_off(h, i, off) \ + for (i = ccan_list_node_to_off_(ccan_list_debug(h)->n.next, (off)); \ + ccan_list_node_from_off_((void *)i, (off)) != &(h)->n; \ + i = ccan_list_node_to_off_(ccan_list_node_from_off_((void *)i, (off))->next, \ (off))) /** - * list_for_each_safe_off - iterate through a list of memory regions, maybe + * ccan_list_for_each_safe_off - iterate through a list of memory regions, maybe * during deletion - * @h: the list_head + * @h: the ccan_list_head * @i: the pointer to a memory region wich contains list node data. - * @nxt: the structure containing the list_node + * @nxt: the structure containing the ccan_list_node * @off: offset(relative to @i) at which list node data resides. * - * For details see `list_for_each_off' and `list_for_each_safe' + * For details see `ccan_list_for_each_off' and `ccan_list_for_each_safe' * descriptions. * * Example: - * list_for_each_safe_off(&parent->children, child, + * ccan_list_for_each_safe_off(&parent->children, child, * next, offsetof(struct child, list)) * printf("Name: %s\n", child->name); */ -#define list_for_each_safe_off(h, i, nxt, off) \ - for (i = list_node_to_off_(list_debug(h)->n.next, (off)), \ - nxt = list_node_to_off_(list_node_from_off_(i, (off))->next, \ +#define ccan_list_for_each_safe_off(h, i, nxt, off) \ + for (i = ccan_list_node_to_off_(ccan_list_debug(h)->n.next, (off)), \ + nxt = ccan_list_node_to_off_(ccan_list_node_from_off_(i, (off))->next, \ (off)); \ - list_node_from_off_(i, (off)) != &(h)->n; \ + ccan_list_node_from_off_(i, (off)) != &(h)->n; \ i = nxt, \ - nxt = list_node_to_off_(list_node_from_off_(i, (off))->next, \ + nxt = ccan_list_node_to_off_(ccan_list_node_from_off_(i, (off))->next, \ (off))) /* Other -off variants. */ -#define list_entry_off(n, type, off) \ - ((type *)list_node_from_off_((n), (off))) +#define ccan_list_entry_off(n, type, off) \ + ((type *)ccan_list_node_from_off_((n), (off))) -#define list_head_off(h, type, off) \ - ((type *)list_head_off((h), (off))) +#define ccan_list_head_off(h, type, off) \ + ((type *)ccan_list_head_off((h), (off))) -#define list_tail_off(h, type, off) \ - ((type *)list_tail_((h), (off))) +#define ccan_list_tail_off(h, type, off) \ + ((type *)ccan_list_tail_((h), (off))) -#define list_add_off(h, n, off) \ - list_add((h), list_node_from_off_((n), (off))) +#define ccan_list_add_off(h, n, off) \ + ccan_list_add((h), ccan_list_node_from_off_((n), (off))) -#define list_del_off(n, off) \ - list_del(list_node_from_off_((n), (off))) +#define ccan_list_del_off(n, off) \ + ccan_list_del(ccan_list_node_from_off_((n), (off))) -#define list_del_from_off(h, n, off) \ - list_del_from(h, list_node_from_off_((n), (off))) +#define ccan_list_del_from_off(h, n, off) \ + ccan_list_del_from(h, ccan_list_node_from_off_((n), (off))) /* Offset helper functions so we only single-evaluate. */ -static inline void *list_node_to_off_(struct list_node *node, size_t off) +static inline void *ccan_list_node_to_off_(struct ccan_list_node *node, size_t off) { return (void *)((char *)node - off); } -static inline struct list_node *list_node_from_off_(void *ptr, size_t off) +static inline struct ccan_list_node *ccan_list_node_from_off_(void *ptr, size_t off) { - return (struct list_node *)((char *)ptr + off); + return (struct ccan_list_node *)((char *)ptr + off); } -/* Get the offset of the member, but make sure it's a list_node. */ -#define list_off_(type, member) \ +/* Get the offset of the member, but make sure it's a ccan_list_node. */ +#define ccan_list_off_(type, member) \ (container_off(type, member) + \ - check_type(((type *)0)->member, struct list_node)) + check_type(((type *)0)->member, struct ccan_list_node)) -#define list_off_var_(var, member) \ +#define ccan_list_off_var_(var, member) \ (container_off_var(var, member) + \ - check_type(var->member, struct list_node)) + check_type(var->member, struct ccan_list_node)) #endif /* CCAN_LIST_H */ |