From 6ccd7242c4c1404dafb64cd937adc3c65ce02385 Mon Sep 17 00:00:00 2001 From: Frank Haverkamp Date: Wed, 21 Jun 2006 14:26:02 +0200 Subject: [MTD] UBI: Removed automake, autoconf, added ubi userspace headers. Signed-off-by: Frank Haverkamp --- ubi-utils/src/ubirmvol.c | 174 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 ubi-utils/src/ubirmvol.c (limited to 'ubi-utils/src/ubirmvol.c') diff --git a/ubi-utils/src/ubirmvol.c b/ubi-utils/src/ubirmvol.c new file mode 100644 index 0000000..cb47b6c --- /dev/null +++ b/ubi-utils/src/ubirmvol.c @@ -0,0 +1,174 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * 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. + */ + +/* + * An utility to create UBI volumes. + * + * Autor: Artem B. Bityutskiy + */ + +#include +#include +#include +#include +#include +#include + +#include "config.h" +#include + +static void usage(void); +static int param_sanity_check(ubi_lib_t lib); +static int parse_options(int argc, char * const argv[]); + +/* + * The below variables are set by command line options. + */ +static int vol_id = -1; +static int devn = -1; + +int main(int argc, char * const argv[]) +{ + int err, old_errno; + ubi_lib_t lib; + + err = parse_options(argc, argv); + if (err) + return err == 1 ? 0 : -1; + + if (devn == -1) { + fprintf(stderr, "Device number was not specified\n"); + fprintf(stderr, "Use -h option for help\n"); + return -1; + } + + err = ubi_open(&lib); + if (err) { + perror("Cannot open libubi"); + return -1; + } + + err = param_sanity_check(lib); + if (err) { + perror("Input parameters check"); + fprintf(stderr, "Use -h option for help\n"); + goto out_libubi; + } + + err = ubi_rmvol(lib, devn, vol_id); + old_errno = errno; + if (err < 0) { + perror("Cannot remove volume"); + fprintf(stderr, " err=%d errno=%d\n", err, old_errno); + goto out_libubi; + } + + return 0; + +out_libubi: + ubi_close(&lib); + return -1; +} + +/* 'getopt()' option string */ +static const char *optstring = "hd:n:"; + +static int parse_options(int argc, char * const argv[]) +{ + int opt = 0; + + while (opt != -1) { + char *endp; + + opt = getopt(argc, argv, optstring); + + switch (opt) { + case 'h': + usage(); + return 1; + case 'n': + vol_id = strtoul(optarg, &endp, 0); + if (*endp != '\0' || endp == optarg || vol_id < 0) { + fprintf(stderr, "Bad volume " + "number: \"%s\"\n", optarg); + goto out; + } + break; + case 'd': + devn = strtoul(optarg, &endp, 0); + if (*endp != '\0' || endp == optarg || devn < 0) { + fprintf(stderr, "Bad UBI device " + "number: \"%s\"\n", optarg); + goto out; + } + break; + case ':': + fprintf(stderr, "Parameter is missing\n"); + goto out; + case '?': + fprintf(stderr, "Unknown parameter\n"); + goto out; + case -1: + break; + default: + fprintf(stderr, "Internal error\n"); + goto out; + } + } + + return 0; + +out: + errno = EINVAL; + return -1; +} + +static int param_sanity_check(ubi_lib_t lib) +{ + int err; + struct ubi_info ubi; + + if (vol_id == -1) { + fprintf(stderr, "Volume ID was not specified\n"); + goto out; + } + + err = ubi_get_info(lib, &ubi); + if (err) + return -1; + + if (devn >= (int)ubi.dev_count) { + fprintf(stderr, "Device %d does not exist\n", devn); + goto out; + } + + return 0; + +out: + errno = EINVAL; + return -1; +} + +static void usage(void) +{ + printf("Usage: ubi_rmvol OPTIONS\n" + "Command line options:\n" + "\t-h - this help message\n" + "\t-d - UBI device number\n" + "\t-n VOLNUM - volume number to remove\n"); +} -- cgit v1.2.3