From 45941c0018cc0937beeb9d4aa8e6a6070c7a3466 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Wed, 23 Jan 2008 19:42:44 +0200 Subject: ubi-utils: return old tools Signed-off-by: Artem Bityutskiy --- ubi-utils/old-tools/src/common.c | 89 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 ubi-utils/old-tools/src/common.c (limited to 'ubi-utils/old-tools/src/common.c') diff --git a/ubi-utils/old-tools/src/common.c b/ubi-utils/old-tools/src/common.c new file mode 100644 index 0000000..7ed1ade --- /dev/null +++ b/ubi-utils/old-tools/src/common.c @@ -0,0 +1,89 @@ +/* + * 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. + * + * Author: Artem Bityutskiy + */ + +#include +#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; +} + +/** + * ubiutils_print_bytes - print bytes. + * @bytes: variable to print + * @bracket: whether brackets have to be put or not + * + * This is a helper function which prints amount of bytes in a human-readable + * form, i.e., it prints the exact amount of bytes following by the approximate + * amount of Kilobytes, Megabytes, or Gigabytes, depending on how big @bytes + * is. + */ +void ubiutils_print_bytes(long long bytes, int bracket) +{ + const char *p; + + if (bracket) + p = " ("; + else + p = ", "; + + printf("%lld bytes", bytes); + + if (bytes > 1024 * 1024 * 1024) + printf("%s%.1f GiB", p, (double)bytes / (1024 * 1024 * 1024)); + else if (bytes > 1024 * 1024) + printf("%s%.1f MiB", p, (double)bytes / (1024 * 1024)); + else if (bytes > 1024) + printf("%s%.1f KiB", p, (double)bytes / 1024); + else + return; + + if (bracket) + printf(")"); +} -- cgit v1.2.3