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authorJosh Triplett <josh@freedesktop.org>2006-02-18 16:49:41 -0800
committerJosh Triplett <josh@josh-mobile.localdomain>2006-02-18 16:49:41 -0800
commit47ceed78612d48dcda62cc2686fc527d61abe38b (patch)
tree06f7f11c92006537925c09440c6b6f9178d2dd4c /src/xcb_list.c
Remove xcl and CVSROOT.
Diffstat (limited to 'src/xcb_list.c')
-rw-r--r--src/xcb_list.c215
1 files changed, 215 insertions, 0 deletions
diff --git a/src/xcb_list.c b/src/xcb_list.c
new file mode 100644
index 0000000..5b2edc0
--- /dev/null
+++ b/src/xcb_list.c
@@ -0,0 +1,215 @@
+/* Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the names of the authors or their
+ * institutions shall not be used in advertising or otherwise to promote the
+ * sale, use or other dealings in this Software without prior written
+ * authorization from the authors.
+ */
+
+/* A generic implementation of a list of void-pointers. */
+
+#include <stdlib.h>
+
+#include "xcb.h"
+#include "xcbint.h"
+
+typedef struct node {
+ struct node *next;
+ void *data;
+} node;
+
+struct _xcb_list {
+ node *head;
+ node **tail;
+};
+
+/* Private interface */
+
+_xcb_list *_xcb_list_new()
+{
+ _xcb_list *list;
+ list = malloc(sizeof(_xcb_list));
+ if(!list)
+ return 0;
+ list->head = 0;
+ list->tail = &list->head;
+ return list;
+}
+
+static void _xcb_list_clear(_xcb_list *list, XCBListFreeFunc do_free)
+{
+ void *tmp;
+ while((tmp = _xcb_list_remove_head(list)))
+ if(do_free)
+ do_free(tmp);
+}
+
+void _xcb_list_delete(_xcb_list *list, XCBListFreeFunc do_free)
+{
+ if(!list)
+ return;
+ _xcb_list_clear(list, do_free);
+ free(list);
+}
+
+int _xcb_list_insert(_xcb_list *list, void *data)
+{
+ node *cur;
+ cur = malloc(sizeof(node));
+ if(!cur)
+ return 0;
+ cur->data = data;
+
+ cur->next = list->head;
+ list->head = cur;
+ return 1;
+}
+
+int _xcb_list_append(_xcb_list *list, void *data)
+{
+ node *cur;
+ cur = malloc(sizeof(node));
+ if(!cur)
+ return 0;
+ cur->data = data;
+ cur->next = 0;
+
+ *list->tail = cur;
+ list->tail = &cur->next;
+ return 1;
+}
+
+void *_xcb_list_peek_head(_xcb_list *list)
+{
+ if(!list->head)
+ return 0;
+ return list->head->data;
+}
+
+void *_xcb_list_remove_head(_xcb_list *list)
+{
+ void *ret;
+ node *tmp = list->head;
+ if(!tmp)
+ return 0;
+ ret = tmp->data;
+ list->head = tmp->next;
+ if(!list->head)
+ list->tail = &list->head;
+ free(tmp);
+ return ret;
+}
+
+void *_xcb_list_remove(_xcb_list *list, int (*cmp)(const void *, const void *), const void *data)
+{
+ node **cur;
+ for(cur = &list->head; *cur; cur = &(*cur)->next)
+ if(cmp(data, (*cur)->data))
+ {
+ node *tmp = *cur;
+ void *ret = (*cur)->data;
+ *cur = (*cur)->next;
+ if(!*cur)
+ list->tail = cur;
+
+ free(tmp);
+ return ret;
+ }
+ return 0;
+}
+
+void *_xcb_list_find(_xcb_list *list, int (*cmp)(const void *, const void *), const void *data)
+{
+ node *cur;
+ for(cur = list->head; cur; cur = cur->next)
+ if(cmp(data, cur->data))
+ return cur->data;
+ return 0;
+}
+
+_xcb_queue *_xcb_queue_new(void) __attribute__ ((alias ("_xcb_list_new")));
+void _xcb_queue_delete(_xcb_queue *q, XCBListFreeFunc do_free) __attribute__ ((alias ("_xcb_list_delete")));
+int _xcb_queue_enqueue(_xcb_queue *q, void *data) __attribute__ ((alias ("_xcb_list_append")));
+void *_xcb_queue_dequeue(_xcb_queue *q) __attribute__ ((alias ("_xcb_list_remove_head")));
+
+int _xcb_queue_is_empty(_xcb_queue *q)
+{
+ return q->head == 0;
+}
+
+typedef struct {
+ unsigned int key;
+ void *value;
+} map_pair;
+
+_xcb_map *_xcb_map_new(void) __attribute__ ((alias ("_xcb_list_new")));
+
+void _xcb_map_delete(_xcb_map *q, XCBListFreeFunc do_free)
+{
+ map_pair *tmp;
+ if(!q)
+ return;
+ while((tmp = _xcb_list_remove_head(q)))
+ {
+ if(do_free)
+ do_free(tmp->value);
+ free(tmp);
+ }
+ free(q);
+}
+
+int _xcb_map_put(_xcb_map *q, unsigned int key, void *data)
+{
+ map_pair *cur = malloc(sizeof(map_pair));
+ if(!cur)
+ return 0;
+ cur->key = key;
+ cur->value = data;
+ if(!_xcb_list_append(q, cur))
+ {
+ free(cur);
+ return 0;
+ }
+ return 1;
+}
+
+static int match_map_pair(const void *key, const void *pair)
+{
+ return ((map_pair *) pair)->key == *(unsigned int *) key;
+}
+
+void *_xcb_map_get(_xcb_map *q, unsigned int key)
+{
+ map_pair *cur = _xcb_list_find(q, match_map_pair, &key);
+ if(!cur)
+ return 0;
+ return cur->value;
+}
+
+void *_xcb_map_remove(_xcb_map *q, unsigned int key)
+{
+ map_pair *cur = _xcb_list_remove(q, match_map_pair, &key);
+ void *ret;
+ if(!cur)
+ return 0;
+ ret = cur->value;
+ free(cur);
+ return ret;
+}