diff options
Diffstat (limited to 'list.c')
| -rw-r--r-- | list.c | 57 |
1 files changed, 1 insertions, 56 deletions
@@ -34,7 +34,7 @@ other dealings in this Software without prior written authorization from The Open Group. ----------------------------------------------------------------------- **/ -/* $XFree86: xc/programs/xwd/list.c,v 3.6 2001/12/14 20:02:33 dawes Exp $ */ +/* $XFree86: xc/programs/xwd/list.c,v 3.7 2003/11/17 22:20:54 dawes Exp $ */ #include <stdio.h> #include <stdlib.h> @@ -45,12 +45,7 @@ from The Open Group. /** ------------------------------------------------------------------------ Sets the pointers of the specified list to NULL. --------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes void zero_list(list_ptr lp) -#else -void zero_list(lp) - list_ptr lp; -#endif { lp->next = NULL; lp->ptr.item = NULL; @@ -64,13 +59,7 @@ void zero_list(lp) and the next pointer in the new node is set to NULL. Returns 1 if successful, 0 if the malloc failed. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes int add_to_list(list_ptr lp, void *item) -#else -int add_to_list(lp, item) - list_ptr lp; - void *item; -#endif { while (lp->next) { lp = lp->next; @@ -112,13 +101,7 @@ list_ptr new_list () curr pointer in the new list is the same as in the old list. Returns a pointer to the new list head. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes list_ptr dup_list_head(list_ptr lp, int start_at_curr) -#else -list_ptr dup_list_head(lp, start_at_curr) - list_ptr lp; - int start_at_curr; -#endif { list_ptr new_list; @@ -136,12 +119,7 @@ list_ptr dup_list_head(lp, start_at_curr) /** ------------------------------------------------------------------------ Returns the number of items in the list. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes unsigned int list_length(list_ptr lp) -#else -unsigned int list_length(lp) - list_ptr lp; -#endif { unsigned int count = 0; @@ -163,13 +141,7 @@ unsigned int list_length(lp) Returns a pointer to the item, so the caller can free it if it so desires. If a match is not found, returns NULL. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes void *delete_from_list(list_ptr lp, void *item) -#else -void *delete_from_list(lp, item) - list_ptr lp; - void *item; -#endif { list_ptr new_next; @@ -194,13 +166,7 @@ void *delete_from_list(lp, item) with new_list(). If free_items is true, each item pointed to from the node is freed, in addition to the node itself. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes void delete_list(list_ptr lp, int free_items) -#else -void delete_list(lp, free_items) - list_ptr lp; - int free_items; -#endif { list_ptr del_node; void *item; @@ -216,13 +182,7 @@ void delete_list(lp, free_items) } } -#if NeedFunctionPrototypes void delete_list_destroying(list_ptr lp, void destructor(void *item)) -#else -void delete_list_destroying(lp, destructor) - list_ptr lp; - void (*destructor)(); -#endif { list_ptr del_node; void *item; @@ -244,12 +204,7 @@ void delete_list_destroying(lp, destructor) Sets the list head node's curr ptr to the first node in the list. Returns NULL if the list is empty. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes void * first_in_list(list_ptr lp) -#else -void * first_in_list(lp) - list_ptr lp; -#endif { if (! lp) { @@ -266,12 +221,7 @@ void * first_in_list(lp) first_in_list must have been called prior. Returns NULL if no next item. -------------------------------------------------------------------- **/ -#if NeedFunctionPrototypes void * next_in_list(list_ptr lp) -#else -void * next_in_list(lp) - list_ptr lp; -#endif { if (! lp) { @@ -284,12 +234,7 @@ void * next_in_list(lp) return lp->ptr.curr ? lp->ptr.curr->ptr.item : NULL; } -#if NeedFunctionPrototypes int list_is_empty(list_ptr lp) -#else -int list_is_empty(lp) - list_ptr lp; -#endif { return (lp == NULL || lp->next == NULL); } |