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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-05-04 21:00:46 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-05-04 21:00:46 +0300
commit80cecea79cf13075d136e73067aa40439539bb0f (patch)
treef28acc5b3a124c3a7355f77ccdbad48753f55872 /ubi-utils/src/ubirmvol.c
parent726ac243f051f0daee6149db66ac21ba621fb454 (diff)
parent22f90673165489fd50c893a91051a79c1b143d2a (diff)
Merge branch 'ubi'
Diffstat (limited to 'ubi-utils/src/ubirmvol.c')
-rw-r--r--ubi-utils/src/ubirmvol.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/ubi-utils/src/ubirmvol.c b/ubi-utils/src/ubirmvol.c
new file mode 100644
index 0000000..f32cbe0
--- /dev/null
+++ b/ubi-utils/src/ubirmvol.c
@@ -0,0 +1,230 @@
+/*
+ * 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 remove UBI volumes.
+ *
+ * Author: Artem B. Bityutskiy <dedekind@linutronix.de>
+ * Frank Haverkamp <haver@vnet.ibm.com>
+ *
+ * 1.1 Reworked the userinterface to use argp.
+ * 1.2 Removed argp because we want to use uClibc.
+ * 1.3 Minor cleanups
+ * 1.4 Use a different libubi
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include <config.h>
+#include <libubi.h>
+
+#define PROGRAM_VERSION "1.4"
+
+/*
+ * The below variables are set by command line options.
+ */
+struct args {
+ int devn;
+ int vol_id;
+ char node[256];
+
+ /* special stuff needed to get additional arguments */
+ char *arg1;
+ char **options; /* [STRING...] */
+};
+
+static struct args myargs = {
+ .devn = -1,
+ .vol_id = -1,
+
+ .arg1 = NULL,
+ .options = NULL,
+};
+
+static int param_sanity_check(struct args *args, libubi_t libubi);
+
+static char doc[] = "\nVersion: " PROGRAM_VERSION "\n\t"
+ BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
+ "\nMake UBI Volume.\n";
+
+static const char *optionsstr =
+" -d, --devn=<devn> UBI device\n"
+" -n, --vol_id=<volume id> UBI volume id, if not specified, the volume ID\n"
+" will be assigned automatically\n"
+" -?, --help Give this help list\n"
+" --usage Give a short usage message\n"
+" -V, --version Print program version\n";
+
+static const char *usage =
+"Usage: ubirmvol [-?V] [-d <devn>] [-n <volume id>] [--devn=<devn>]\n"
+" [--vol_id=<volume id>] [--help] [--usage] [--version]\n";
+
+struct option long_options[] = {
+ { .name = "devn", .has_arg = 1, .flag = NULL, .val = 'd' },
+ { .name = "vol_id", .has_arg = 1, .flag = NULL, .val = 'n' },
+ { .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
+ { .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
+ { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
+ { NULL, 0, NULL, 0}
+};
+
+/*
+ * @brief Parse the arguments passed into the test case.
+ *
+ * @param argc The number of arguments
+ * @param argv The list of arguments
+ * @param args Pointer to argument structure
+ *
+ * @return error
+ *
+ */
+static int
+parse_opt(int argc, char **argv, struct args *args)
+{
+ char *endp;
+
+ while (1) {
+ int key;
+
+ key = getopt_long(argc, argv, "d:n:?V", long_options, NULL);
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 'd': /* --devn=<device number> */
+ args->devn = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg ||
+ args->devn < 0) {
+ fprintf(stderr,
+ "Bad UBI device number: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ sprintf(args->node, "/dev/ubi%d", args->devn);
+ break;
+ case 'n': /* --volid=<volume id> */
+ args->vol_id = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg ||
+ (args->vol_id < 0 &&
+ args->vol_id != UBI_DYNAMIC_VOLUME)) {
+ fprintf(stderr, "Bad volume ID: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ break;
+ case ':':
+ fprintf(stderr, "Parameter is missing\n");
+ goto out;
+ case '?': /* help */
+ fprintf(stderr,
+ "Usage: ubirmvol [OPTION...]\n");
+ fprintf(stderr, "%s", doc);
+ fprintf(stderr, "%s", optionsstr);
+ fprintf(stderr, "\nReport bugs to %s\n",
+ PACKAGE_BUGREPORT);
+ exit(0);
+ break;
+ case 'V':
+ fprintf(stderr, "%s\n", PROGRAM_VERSION);
+ exit(0);
+ break;
+ default:
+ fprintf(stderr, "%s", usage);
+ exit(-1);
+ }
+ }
+
+ return 0;
+ out:
+ return -1;
+}
+
+static int param_sanity_check(struct args *args, libubi_t libubi)
+{
+ int err;
+ struct ubi_info ubi;
+
+ if (args->vol_id == -1) {
+ fprintf(stderr, "Volume ID was not specified\n");
+ goto out;
+ }
+
+ err = ubi_get_info(libubi, &ubi);
+ if (err)
+ return -1;
+
+ if (args->devn >= (int)ubi.dev_count) {
+ fprintf(stderr, "Device %d does not exist\n", args->devn);
+ goto out;
+ }
+
+ return 0;
+
+out:
+ errno = EINVAL;
+ return -1;
+}
+
+int main(int argc, char * const argv[])
+{
+ int err, old_errno;
+ libubi_t libubi;
+
+ err = parse_opt(argc, (char **)argv, &myargs);
+ if (err)
+ return err == 1 ? 0 : -1;
+
+ if (myargs.devn == -1) {
+ fprintf(stderr, "Device number was not specified\n");
+ fprintf(stderr, "Use -h option for help\n");
+ return -1;
+ }
+
+ libubi = libubi_open();
+ if (libubi == NULL) {
+ perror("Cannot open libubi");
+ return -1;
+ }
+
+ err = param_sanity_check(&myargs, libubi);
+ if (err) {
+ perror("Input parameters check");
+ fprintf(stderr, "Use -h option for help\n");
+ goto out_libubi;
+ }
+
+ err = ubi_rmvol(libubi, myargs.node, myargs.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;
+ }
+
+ libubi_close(libubi);
+ return 0;
+
+out_libubi:
+ libubi_close(libubi);
+ return -1;
+}