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Archlinux32 fork of pacman | gitolite user |
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-rw-r--r-- | lib/libalpm/alpm.c | 72 |
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c index 55f6ecd1..d5168709 100644 --- a/lib/libalpm/alpm.c +++ b/lib/libalpm/alpm.c @@ -45,21 +45,37 @@ extern pmhandle_t *handle; /** Initializes the library. This must be called before any other * functions are called. - * @return 0 on success, -1 on error (pm_errno is set accordingly) + * @param root the root path for all filesystem operations + * @param dbpath the absolute path to the libalpm database + * @param err an optional variable to hold any error return codes + * @return a context handle on success, NULL on error, err will be set if provided */ -int SYMEXPORT alpm_initialize(void) +pmhandle_t SYMEXPORT *alpm_initialize(const char *root, const char *dbpath, + enum _pmerrno_t *err) { - ASSERT(handle == NULL, RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1)); - - handle = _alpm_handle_new(); - if(handle == NULL) { - RET_ERR(PM_ERR_MEMORY, -1); + enum _pmerrno_t myerr; + const char *lf = "db.lck"; + size_t lockfilelen; + pmhandle_t *myhandle = _alpm_handle_new(); + + if(myhandle == NULL) { + myerr = PM_ERR_MEMORY; + goto cleanup; } - if(_alpm_db_register_local(handle) == NULL) { - /* error code should be set */ - _alpm_handle_free(handle); - handle = NULL; - return -1; + if((myerr = _alpm_set_directory_option(root, &(myhandle->root), 1))) { + goto cleanup; + } + if((myerr = _alpm_set_directory_option(dbpath, &(myhandle->dbpath), 1))) { + goto cleanup; + } + + lockfilelen = strlen(myhandle->dbpath) + strlen(lf) + 1; + myhandle->lockfile = calloc(lockfilelen, sizeof(char)); + snprintf(myhandle->lockfile, lockfilelen, "%s%s", myhandle->dbpath, lf); + + if(_alpm_db_register_local(myhandle) == NULL) { + myerr = PM_ERR_DB_CREATE; + goto cleanup; } #ifdef ENABLE_NLS @@ -68,33 +84,47 @@ int SYMEXPORT alpm_initialize(void) #ifdef HAVE_LIBCURL curl_global_init(CURL_GLOBAL_SSL); - handle->curl = curl_easy_init(); + myhandle->curl = curl_easy_init(); #endif - return 0; + /* TODO temporary until global var removed */ + handle = myhandle; + return myhandle; + +cleanup: + _alpm_handle_free(myhandle); + if(err && myerr) { + *err = myerr; + } + return NULL; } /** Release the library. This should be the last alpm call you make. - * @return 0 on success, -1 on error (pm_errno is set accordingly) + * After this returns, handle should be considered invalid and cannot be reused + * in any way. + * @param handle the context handle + * @return 0 on success, -1 on error */ -int SYMEXPORT alpm_release(void) +int SYMEXPORT alpm_release(pmhandle_t *myhandle) { pmdb_t *db; - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); + ASSERT(myhandle != NULL, return -1); /* close local database */ - db = handle->db_local; + db = myhandle->db_local; if(db) { db->ops->unregister(db); - handle->db_local = NULL; + myhandle->db_local = NULL; } - if(alpm_db_unregister_all() == -1) { + if(alpm_db_unregister_all(myhandle) == -1) { return -1; } - _alpm_handle_free(handle); + _alpm_handle_free(myhandle); + myhandle = NULL; + /* TODO temporary until global var removed */ handle = NULL; #ifdef HAVE_LIBCURL |