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Add detail documentation for alpm_db_update()

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This adds alpm_db_update() to the alpm_databases Doxygen group. The function
is described in more detail and a code example is given.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Sebastian Nowicki 2009-04-09 13:42:14 +08:00 committed by Dan McGee
parent d15d4f923d
commit 63fc93607b
1 changed files with 31 additions and 0 deletions
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31
lib/libalpm/be_files.c
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@ -134,6 +134,37 @@ static int checkdbdir(pmdb_t *db)
} }
/** Update a package database /** Update a package database
*
* An update of the package database \a db will be attempted. Unless
* \a force is true, the update will only be performed if the remote
* database was modified since the last update.
*
* A transaction is necessary for this operation, in order to obtain a
* database lock. During this transaction the front-end will be informed
* of the download progress of the database via the download callback.
*
* Example:
* @code
* pmdb_t *db;
* int result;
* db = alpm_list_getdata(alpm_option_get_syncdbs());
* if(alpm_trans_init(PM_TRANS_TYPE_SYNC, 0, NULL, NULL, NULL) == 0) {
* result = alpm_db_update(0, db);
* alpm_trans_release();
*
* if(result > 0) {
* printf("Unable to update database: %s\n", alpm_strerrorlast());
* } else if(result < 0) {
* printf("Database already up to date\n");
* } else {
* printf("Database updated\n");
* }
* }
* @endcode
*
* @ingroup alpm_databases
* @note After a successful update, the \link alpm_db_get_pkgcache()
* package cache \endlink will be invalidated
* @param force if true, then forces the update, otherwise update only in case * @param force if true, then forces the update, otherwise update only in case
* the database isn't up to date * the database isn't up to date
* @param db pointer to the package database to update * @param db pointer to the package database to update