From 747896d1d55f38e23083a3ea2fd6f93fa3259971 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Thu, 20 Dec 2007 20:21:02 +0200 Subject: ubi-utils: clean-up and fix ubimkvol Signed-off-by: Artem Bityutskiy --- ubi-utils/src/common.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 ubi-utils/src/common.c (limited to 'ubi-utils/src/common.c') diff --git a/ubi-utils/src/common.c b/ubi-utils/src/common.c new file mode 100644 index 0000000..4a56128 --- /dev/null +++ b/ubi-utils/src/common.c @@ -0,0 +1,52 @@ +/* + * Copyright (c) Artem Bityutskiy, 2007 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* + * This file contains various common stuff used by UBI utilities. + */ + +#include + +/** + * ubiutils_bytes_multiplier - convert size specifier to an integer + * multiplier. + * + * @str: the size specifier string + * + * This function parses the @str size specifier, which may be one of + * 'KiB', 'MiB', or 'GiB' into an integer multiplier. Returns positive + * size multiplier in case of success and %-1 in case of failure. + */ +int ubiutils_get_multiplier(const char *str) +{ + if (!str) + return 1; + + /* Remove spaces before the specifier */ + while (*str == ' ' || *str == '\t') + str += 1; + + if (!strcmp(str, "KiB")) + return 1024; + if (!strcmp(str, "MiB")) + return 1024 * 1024; + if (!strcmp(str, "GiB")) + return 1024 * 1024 * 1024; + + return -1; +} -- cgit v1.2.3