Changeset 47be512 in mainline

Timestamp:

2018-06-19T19:42:48Z (6 years ago)

Author:

Jiří Zárevúcky <jiri.zarevucky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9f272d9

Parents:

75c430e3

git-author:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-06-01 15:07:20)

git-committer:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-06-19 19:42:48)

Message:

Introduce list_pop().

File:

• uspace/lib/c/include/adt/list.h (modified) (1 diff)

uspace/lib/c/include/adt/list.h

@@ -414 +414 @@
 }
 
+static inline void *list_pop_internal(list_t *list, ptrdiff_t offset)
+{
+        link_t *tmp = list_first(list);
+        if (tmp == NULL)
+                return NULL;
+
+        list_remove(tmp);
+        return ((void *) tmp) - offset;
+}
+
+#define list_pop(list, type, member) \
+        ((type *) list_pop_internal(list, \
+            (list_link_to_void(&(((type *) NULL)->member)) - NULL)))
+
 #endif