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authorFelix Fietkau <nbd@openwrt.org>2012-10-08 11:24:12 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-10-08 11:24:12 +0000
commit48db59fab785ce881e154d83115de86d284fce5d (patch)
tree8741bab5dbcca43c884cdf0788b6c0049e0c25d1 /package/libnl-tiny/src/object.c
parent997ace7e5e78d580d802f3f30ddc00f9b30e0bcc (diff)
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move library packages to package/libs/
SVN-Revision: 33657
Diffstat (limited to 'package/libnl-tiny/src/object.c')
-rw-r--r--package/libnl-tiny/src/object.c279
1 files changed, 0 insertions, 279 deletions
diff --git a/package/libnl-tiny/src/object.c b/package/libnl-tiny/src/object.c
deleted file mode 100644
index f91555137d..0000000000
--- a/package/libnl-tiny/src/object.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * lib/object.c Generic Cacheable Object
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation version 2.1
- * of the License.
- *
- * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
- */
-
-/**
- * @ingroup cache
- * @defgroup object Object
- * @{
- */
-
-#include <netlink-local.h>
-#include <netlink/netlink.h>
-#include <netlink/cache.h>
-#include <netlink/object.h>
-#include <netlink/utils.h>
-
-static inline struct nl_object_ops *obj_ops(struct nl_object *obj)
-{
- if (!obj->ce_ops)
- BUG();
-
- return obj->ce_ops;
-}
-
-/**
- * @name Object Creation/Deletion
- * @{
- */
-
-/**
- * Allocate a new object of kind specified by the operations handle
- * @arg ops cache operations handle
- * @return The new object or NULL
- */
-struct nl_object *nl_object_alloc(struct nl_object_ops *ops)
-{
- struct nl_object *new;
-
- if (ops->oo_size < sizeof(*new))
- BUG();
-
- new = calloc(1, ops->oo_size);
- if (!new)
- return NULL;
-
- new->ce_refcnt = 1;
- nl_init_list_head(&new->ce_list);
-
- new->ce_ops = ops;
- if (ops->oo_constructor)
- ops->oo_constructor(new);
-
- NL_DBG(4, "Allocated new object %p\n", new);
-
- return new;
-}
-
-#ifdef disabled
-/**
- * Allocate a new object of kind specified by the name
- * @arg kind name of object type
- * @return The new object or nULL
- */
-int nl_object_alloc_name(const char *kind, struct nl_object **result)
-{
- struct nl_cache_ops *ops;
-
- ops = nl_cache_ops_lookup(kind);
- if (!ops)
- return -NLE_OPNOTSUPP;
-
- if (!(*result = nl_object_alloc(ops->co_obj_ops)))
- return -NLE_NOMEM;
-
- return 0;
-}
-#endif
-
-struct nl_derived_object {
- NLHDR_COMMON
- char data;
-};
-
-/**
- * Allocate a new object and copy all data from an existing object
- * @arg obj object to inherite data from
- * @return The new object or NULL.
- */
-struct nl_object *nl_object_clone(struct nl_object *obj)
-{
- struct nl_object *new;
- struct nl_object_ops *ops = obj_ops(obj);
- int doff = offsetof(struct nl_derived_object, data);
- int size;
-
- new = nl_object_alloc(ops);
- if (!new)
- return NULL;
-
- size = ops->oo_size - doff;
- if (size < 0)
- BUG();
-
- new->ce_ops = obj->ce_ops;
- new->ce_msgtype = obj->ce_msgtype;
-
- if (size)
- memcpy((void *)new + doff, (void *)obj + doff, size);
-
- if (ops->oo_clone) {
- if (ops->oo_clone(new, obj) < 0) {
- nl_object_free(new);
- return NULL;
- }
- } else if (size && ops->oo_free_data)
- BUG();
-
- return new;
-}
-
-/**
- * Free a cacheable object
- * @arg obj object to free
- *
- * @return 0 or a negative error code.
- */
-void nl_object_free(struct nl_object *obj)
-{
- struct nl_object_ops *ops = obj_ops(obj);
-
- if (obj->ce_refcnt > 0)
- NL_DBG(1, "Warning: Freeing object in use...\n");
-
- if (obj->ce_cache)
- nl_cache_remove(obj);
-
- if (ops->oo_free_data)
- ops->oo_free_data(obj);
-
- free(obj);
-
- NL_DBG(4, "Freed object %p\n", obj);
-}
-
-/** @} */
-
-/**
- * @name Reference Management
- * @{
- */
-
-/** @} */
-
-/**
- * @name Utillities
- * @{
- */
-
-#ifdef disabled
-/**
- * Dump this object according to the specified parameters
- * @arg obj object to dump
- * @arg params dumping parameters
- */
-void nl_object_dump(struct nl_object *obj, struct nl_dump_params *params)
-{
- dump_from_ops(obj, params);
-}
-
-/**
- * Check if the identifiers of two objects are identical
- * @arg a an object
- * @arg b another object of same type
- *
- * @return true if both objects have equal identifiers, otherwise false.
- */
-int nl_object_identical(struct nl_object *a, struct nl_object *b)
-{
- struct nl_object_ops *ops = obj_ops(a);
- int req_attrs;
-
- /* Both objects must be of same type */
- if (ops != obj_ops(b))
- return 0;
-
- req_attrs = ops->oo_id_attrs;
-
- /* Both objects must provide all required attributes to uniquely
- * identify an object */
- if ((a->ce_mask & req_attrs) != req_attrs ||
- (b->ce_mask & req_attrs) != req_attrs)
- return 0;
-
- /* Can't judge unless we can compare */
- if (ops->oo_compare == NULL)
- return 0;
-
- return !(ops->oo_compare(a, b, req_attrs, 0));
-}
-
-/**
- * Compute bitmask representing difference in attribute values
- * @arg a an object
- * @arg b another object of same type
- *
- * The bitmask returned is specific to an object type, each bit set represents
- * an attribute which mismatches in either of the two objects. Unavailability
- * of an attribute in one object and presence in the other is regarded a
- * mismatch as well.
- *
- * @return Bitmask describing differences or 0 if they are completely identical.
- */
-uint32_t nl_object_diff(struct nl_object *a, struct nl_object *b)
-{
- struct nl_object_ops *ops = obj_ops(a);
-
- if (ops != obj_ops(b) || ops->oo_compare == NULL)
- return UINT_MAX;
-
- return ops->oo_compare(a, b, ~0, 0);
-}
-
-/**
- * Match a filter against an object
- * @arg obj object to check
- * @arg filter object of same type acting as filter
- *
- * @return 1 if the object matches the filter or 0
- * if no filter procedure is available or if the
- * filter does not match.
- */
-int nl_object_match_filter(struct nl_object *obj, struct nl_object *filter)
-{
- struct nl_object_ops *ops = obj_ops(obj);
-
- if (ops != obj_ops(filter) || ops->oo_compare == NULL)
- return 0;
-
- return !(ops->oo_compare(obj, filter, filter->ce_mask,
- LOOSE_COMPARISON));
-}
-
-/**
- * Convert bitmask of attributes to a character string
- * @arg obj object of same type as attribute bitmask
- * @arg attrs bitmask of attribute types
- * @arg buf destination buffer
- * @arg len length of destination buffer
- *
- * Converts the bitmask of attribute types into a list of attribute
- * names separated by comas.
- *
- * @return destination buffer.
- */
-char *nl_object_attrs2str(struct nl_object *obj, uint32_t attrs,
- char *buf, size_t len)
-{
- struct nl_object_ops *ops = obj_ops(obj);
-
- if (ops->oo_attrs2str != NULL)
- return ops->oo_attrs2str(attrs, buf, len);
- else {
- memset(buf, 0, len);
- return buf;
- }
-}
-
-#endif
-
-/** @} */
-
-/** @} */