diff options
Diffstat (limited to 'list.c')
-rw-r--r-- | list.c | 14 |
1 files changed, 11 insertions, 3 deletions
@@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2008 Stig Venaas <venaas@uninett.no> + * Copyright (C) 2006-2009 Stig Venaas <venaas@uninett.no> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -49,7 +49,8 @@ int list_push(struct list *list, void *data) { else list->first = node; list->last = node; - + + list->count++; return 1; } @@ -67,7 +68,7 @@ void *list_shift(struct list *list) { list->last = NULL; data = node->data; free(node); - + list->count--; return data; } @@ -82,6 +83,7 @@ void list_removedata(struct list *list, void *data) { while (node->data == data) { list->first = node->next; free(node); + list->count--; node = list->first; if (!node) { list->last = NULL; @@ -93,6 +95,7 @@ void list_removedata(struct list *list, void *data) { t = node->next; node->next = t->next; free(t); + list->count--; if (!node->next) { /* we removed the last one */ list->last = node; return; @@ -109,3 +112,8 @@ struct list_node *list_first(struct list *list) { struct list_node *list_next(struct list_node *node) { return node->next; } + +/* returns number of nodes */ +uint32_t list_count(struct list *list) { + return list->count; +} |