From a17a510a62530af270844247c985073688d4d7cb Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 8 Oct 2012 11:24:12 +0000 Subject: move library packages to package/libs/ git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33657 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/libnl-tiny/src/object.c | 279 ---------------------------------------- 1 file changed, 279 deletions(-) delete mode 100644 package/libnl-tiny/src/object.c (limited to 'package/libnl-tiny/src/object.c') 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 - */ - -/** - * @ingroup cache - * @defgroup object Object - * @{ - */ - -#include -#include -#include -#include -#include - -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 - -/** @} */ - -/** @} */ -- cgit v1.2.3