150 lines
4.0 KiB
C
150 lines
4.0 KiB
C
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2014
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* simple list
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*/
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#if !defined(LIST_H)
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#define LIST_H
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#include "arch.h"
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/* list */
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struct list
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{
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tintptr *items;
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int count;
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int alloc_size;
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int grow_by;
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int auto_free;
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};
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struct list *
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list_create(void);
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/**
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* Creates a list with at least the specified number of items
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* reserved
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* @param size Number of items to reserve
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* @return list, or NULL if no memory
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*/
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struct list *
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list_create_sized(unsigned int size);
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void
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list_delete(struct list *self);
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/**
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* Adds an item to a list
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* @param self The list
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* @param item The item to add
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* @result 0 if a memory allocation failure occurred. In this
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* case the item is not added
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*
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* Memory allocation failures will not occur if the list is
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* sized appropriately when created.
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*/
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int
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list_add_item(struct list *self, tintptr item);
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tintptr
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list_get_item(const struct list *self, int index);
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void
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list_clear(struct list *self);
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int
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list_index_of(struct list *self, tintptr item);
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void
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list_remove_item(struct list *self, int index);
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/**
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* Inserts an item into a list
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* @param self The list
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* @param index The location to insert the item before
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* @param item The item to add
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* @result 0 if a memory allocation failure occurred. In this
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* case the item is not added
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*
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* Memory allocation failures will not occur if the list is
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* sized appropriately when created.
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*/
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int
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list_insert_item(struct list *self, int index, tintptr item);
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/**
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* Adds strings to a list from another list
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* @param self The source list
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* @param dest Destination list
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* @param start_index Index to start on the source list (zero based)
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*
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* @result 0 if a memory allocation failure occurred. In this
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* case the destination list is unaltered.
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*
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* Strings from the source list are copied with strdup()
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* The dest list should have auto_free set, or memory leaks will occur
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*/
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int
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list_append_list_strdup(struct list *self, struct list *dest, int start_index);
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void
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list_dump_items(struct list *self);
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/**
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* Splits a string on a separation character and then returns a list of
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* the string split by the character, without the character contained within
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* the pieces.
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*
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* The list must be disposed of by the caller.
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*
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* @param str String to split.
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* @param character Character used as the delimiter between strings.
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* @param start_index Index to start on the source list (zero based)
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*
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* @result 0 if a memory allocation failure occurred.
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*
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* String fragments in the list are created with strdup()
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*/
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struct list *
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split_string_into_list(const char *str, char character);
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/**
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* As list_add_item() but for a C string
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*
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* This is a convenience function for a common operation
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* @param self List to append to
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* @param str String to append
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*
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* The passed-in string is strdup'd onto the list, so if auto_free
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* isn't set, memory leaks will occur.
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*
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* A NULL pointer will be added as a NULL entry.
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*
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* @result 0 if any memory allocation failure occurred. In this case
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* the list is unchanged.
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*/
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int
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list_add_strdup(struct list *self, const char *str);
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/**
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* Add multiple strings to a list
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*
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* This is a convenience function for a common operation
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* @param self List to append to
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* @param ... Strings to append. Terminate the list with a NULL.
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*
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* @result 0 if any memory allocation failure occurred. In this case
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* the list is unchanged.
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*/
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int
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list_add_strdup_multi(struct list *self, ...);
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#endif
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