/**
* xrdp : A Remote Desktop Protocol server .
*
* Copyright ( C ) Jay Sorg 2004 - 2014
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*
* simple list
*/
#if !defined (LIST_H)
#define LIST_H
#include "arch.h"
/* list */
struct list
{
tintptr *items;
int count;
int alloc_size;
int grow_by;
int auto_free;
};
struct list *
list_create(void );
/**
* Creates a list with at least the specified number of items
* reserved
* @ param size Number of items to reserve
* @ return list , or NULL if no memory
*/
struct list *
list_create_sized(unsigned int size);
void
list_delete(struct list *self);
/**
* Adds an item to a list
* @ param self The list
* @ param item The item to add
* @ result 0 if a memory allocation failure occurred . In this
* case the item is not added
*
* Memory allocation failures will not occur if the list is
* sized appropriately when created .
*/
int
list_add_item(struct list *self, tintptr item);
tintptr
list_get_item(const struct list *self, int index);
void
list_clear(struct list *self);
int
list_index_of(struct list *self, tintptr item);
void
list_remove_item(struct list *self, int index);
/**
* Inserts an item into a list
* @ param self The list
* @ param index The location to insert the item before
* @ param item The item to add
* @ result 0 if a memory allocation failure occurred . In this
* case the item is not added
*
* Memory allocation failures will not occur if the list is
* sized appropriately when created .
*/
int
list_insert_item(struct list *self, int index, tintptr item);
/**
* Adds strings to a list from another list
* @ param self The source list
* @ param dest Destination list
* @ param start_index Index to start on the source list ( zero based )
*
* @ result 0 if a memory allocation failure occurred . In this
* case the destination list is unaltered .
*
* Strings from the source list are copied with strdup ( )
* The dest list should have auto_free set , or memory leaks will occur
*/
int
list_append_list_strdup(struct list *self, struct list *dest, int start_index);
void
list_dump_items(struct list *self);
/**
* Splits a string on a separation character and then returns a list of
* the string split by the character , without the character contained within
* the pieces .
*
* The list must be disposed of by the caller .
*
* @ param str String to split .
* @ param character Character used as the delimiter between strings .
* @ param start_index Index to start on the source list ( zero based )
*
* @ result 0 if a memory allocation failure occurred .
*
* String fragments in the list are created with strdup ( )
*/
struct list *
split_string_into_list(const char *str, char character);
/**
* As list_add_item ( ) but for a C string
*
* This is a convenience function for a common operation
* @ param self List to append to
* @ param str String to append
*
* The passed - in string is strdup ' d onto the list , so if auto_free
* isn ' t set , memory leaks will occur .
*
* A NULL pointer will be added as a NULL entry .
*
* @ result 0 if any memory allocation failure occurred . In this case
* the list is unchanged .
*/
int
list_add_strdup(struct list *self, const char *str);
/**
* Add multiple strings to a list
*
* This is a convenience function for a common operation
* @ param self List to append to
* @ param . . . Strings to append . Terminate the list with a NULL .
*
* @ result 0 if any memory allocation failure occurred . In this case
* the list is unchanged .
*/
int
list_add_strdup_multi(struct list *self, ...);
#endif
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