X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fdaemon%2Futils_heap.h;h=6d71c43a13feb371af92033ee949a826e4cba67e;hb=master;hp=d2d70cdc63f60181d149902b671899f1a7155f54;hpb=936d749328d399463f2bbb5ec3d07cd3a271a7c7;p=collectd.git

diff --git a/src/daemon/utils_heap.h b/src/daemon/utils_heap.h
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-/**
- * collectd - src/utils_heap.h
- * Copyright (C) 2009       Florian octo Forster
- *
- * 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 OR COPYRIGHT HOLDERS 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.
- *
- * Authors:
- *   Florian octo Forster <octo at collectd.org>
- **/
-
-#ifndef UTILS_HEAP_H
-#define UTILS_HEAP_H 1
-
-struct c_heap_s;
-typedef struct c_heap_s c_heap_t;
-
-/*
- * NAME
- *   c_heap_create
- *
- * DESCRIPTION
- *   Allocates a new heap.
- *
- * PARAMETERS
- *   `compare'  The function-pointer `compare' is used to compare two keys. It
- *              has to return less than zero if its first argument is smaller
- *              then the second argument, more than zero if the first argument
- *              is bigger than the second argument and zero if they are equal.
- *              If your keys are char-pointers, you can use the `strcmp'
- *              function from the libc here.
- *
- * RETURN VALUE
- *   A c_heap_t-pointer upon success or NULL upon failure.
- */
-c_heap_t *c_heap_create(int (*compare)(const void *, const void *));
-
-/*
- * NAME
- *   c_heap_destroy
- *
- * DESCRIPTION
- *   Deallocates a heap. Stored value- and key-pointer are lost, but of course
- *   not freed.
- */
-void c_heap_destroy(c_heap_t *h);
-
-/*
- * NAME
- *   c_heap_insert
- *
- * DESCRIPTION
- *   Stores the key-value-pair in the heap pointed to by `h'.
- *
- * PARAMETERS
- *   `h'        Heap to store the data in.
- *   `ptr'      Value to be stored. This is typically a pointer to a data
- *              structure. The data structure is of course *not* copied and may
- *              not be free'd before the pointer has been removed from the heap
- *              again.
- *
- * RETURN VALUE
- *   Zero upon success, non-zero otherwise. It's less than zero if an error
- *   occurred or greater than zero if the key is already stored in the tree.
- */
-int c_heap_insert(c_heap_t *h, void *ptr);
-
-/*
- * NAME
- *   c_heap_get_root
- *
- * DESCRIPTION
- *   Removes the value at the root of the heap and returns both, key and value.
- *
- * PARAMETERS
- *   `h'           Heap to remove key-value-pair from.
- *
- * RETURN VALUE
- *   The pointer passed to `c_heap_insert' or NULL if there are no more
- *   elements in the heap (or an error occurred).
- */
-void *c_heap_get_root(c_heap_t *h);
-
-#endif /* UTILS_HEAP_H */