Exemple #1
0
/** Initializes the library.
 * Creates handle, connects to database and creates lockfile.
 * This must be called before any other functions are called.
 * @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
 */
alpm_handle_t SYMEXPORT *alpm_initialize(const char *root, const char *dbpath,
		alpm_errno_t *err)
{
	alpm_errno_t myerr;
	const char *lf = "db.lck";
	char *hookdir;
	size_t lockfilelen;
	alpm_handle_t *myhandle = _alpm_handle_new();

	if(myhandle == NULL) {
		goto nomem;
	}
	if((myerr = _alpm_set_directory_option(root, &(myhandle->root), 1))) {
		goto cleanup;
	}
	if((myerr = _alpm_set_directory_option(dbpath, &(myhandle->dbpath), 1))) {
		goto cleanup;
	}

	/* to contatenate myhandle->root (ends with a slash) with SYSHOOKDIR (starts
	 * with a slash) correctly, we skip SYSHOOKDIR[0]; the regular +1 therefore
	 * disappears from the allocation */
	MALLOC(hookdir, strlen(myhandle->root) + strlen(SYSHOOKDIR), goto nomem);
	sprintf(hookdir, "%s%s", myhandle->root, SYSHOOKDIR + 1);
	myhandle->hookdirs = alpm_list_add(NULL, hookdir);

	/* set default database extension */
	STRDUP(myhandle->dbext, ".db", goto nomem);

	lockfilelen = strlen(myhandle->dbpath) + strlen(lf) + 1;
	MALLOC(myhandle->lockfile, lockfilelen, goto nomem);
	snprintf(myhandle->lockfile, lockfilelen, "%s%s", myhandle->dbpath, lf);

	if(_alpm_db_register_local(myhandle) == NULL) {
		myerr = myhandle->pm_errno;
		goto cleanup;
	}

#ifdef ENABLE_NLS
	bindtextdomain("libalpm", LOCALEDIR);
#endif

	return myhandle;

nomem:
	myerr = ALPM_ERR_MEMORY;
cleanup:
	_alpm_handle_free(myhandle);
	if(err) {
		*err = myerr;
	}
	return NULL;
}
Exemple #2
0
/** Initializes the library.
 * Creates handle, connects to database and creates lockfile.
 * This must be called before any other functions are called.
 * @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
 */
alpm_handle_t SYMEXPORT *alpm_initialize(const char *root, const char *dbpath,
		alpm_errno_t *err)
{
	alpm_errno_t myerr;
	const char *lf = "db.lck";
	char *hookdir;
	size_t lockfilelen;
	alpm_handle_t *myhandle = _alpm_handle_new();

	if(myhandle == NULL) {
		myerr = ALPM_ERR_MEMORY;
		goto cleanup;
	}
	if((myerr = _alpm_set_directory_option(root, &(myhandle->root), 1))) {
		goto cleanup;
	}
	if((myerr = _alpm_set_directory_option(dbpath, &(myhandle->dbpath), 1))) {
		goto cleanup;
	}

	MALLOC(hookdir, strlen(myhandle->root) + strlen(SYSHOOKDIR) + 1, goto cleanup);
	sprintf(hookdir, "%s%s", myhandle->root, SYSHOOKDIR);
	myhandle->hookdirs = alpm_list_add(NULL, hookdir);

	/* set default database extension */
	STRDUP(myhandle->dbext, ".db", 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 = myhandle->pm_errno;
		goto cleanup;
	}

#ifdef ENABLE_NLS
	bindtextdomain("libalpm", LOCALEDIR);
#endif

	return myhandle;

cleanup:
	_alpm_handle_free(myhandle);
	if(err && myerr) {
		*err = myerr;
	}
	return NULL;
}