diff options
Diffstat (limited to 'ubi-utils/src/ubidetach.c')
| -rw-r--r-- | ubi-utils/src/ubidetach.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/ubi-utils/src/ubidetach.c b/ubi-utils/src/ubidetach.c index 335486d..c4c05a5 100644 --- a/ubi-utils/src/ubidetach.c +++ b/ubi-utils/src/ubidetach.c @@ -30,8 +30,9 @@ #include <libubi.h> #include "common.h" -#define PROGRAM_VERSION "1.0" +#define PROGRAM_VERSION "1.1" #define PROGRAM_NAME "ubidetach" +#define DEFAULT_CTRL_DEV "/dev/ubi_ctrl" /* The variables below are set by command line arguments */ struct args { @@ -59,13 +60,14 @@ static const char *optionsstr = "-V, --version print program version"; static const char *usage = -"Usage: " PROGRAM_NAME " <UBI control device node file name>\n" +"Usage: " PROGRAM_NAME " [<UBI control device node file name>]\n" "\t[-d <UBI device number>] [-m <MTD device number>] [-p <path to device>]\n" "\t[--devn=<UBI device number>] [--mtdn=<MTD device number>]\n" "\t[--dev-path=<path to device>]\n" -"Example 1: " PROGRAM_NAME " /dev/ubi_ctrl -p /dev/mtd0 - detach MTD device /dev/mtd0\n" -"Example 2: " PROGRAM_NAME " /dev/ubi_ctrl -d 2 - delete UBI device 2 (ubi2)\n" -"Example 3: " PROGRAM_NAME " /dev/ubi_ctrl -m 0 - detach MTD device 0 (mtd0)"; +"UBI control device defaults to " DEFAULT_CTRL_DEV " if not supplied.\n" +"Example 1: " PROGRAM_NAME " -p /dev/mtd0 - detach MTD device /dev/mtd0\n" +"Example 2: " PROGRAM_NAME " -d 2 - delete UBI device 2 (ubi2)\n" +"Example 3: " PROGRAM_NAME " -m 0 - detach MTD device 0 (mtd0)"; static const struct option long_options[] = { { .name = "devn", .has_arg = 1, .flag = NULL, .val = 'd' }, @@ -124,9 +126,11 @@ static int parse_opt(int argc, char * const argv[]) } if (optind == argc) - return errmsg("UBI control device name was not specified (use -h for help)"); + args.node = DEFAULT_CTRL_DEV; else if (optind != argc - 1) return errmsg("more then one UBI control device specified (use -h for help)"); + else + args.node = argv[optind]; if (args.mtdn == -1 && args.devn == -1 && args.dev == NULL) return errmsg("neither MTD nor UBI devices were specified (use -h for help)"); @@ -138,7 +142,6 @@ static int parse_opt(int argc, char * const argv[]) } else if (args.mtdn != -1 && args.dev != NULL) return errmsg("specify either MTD number or device node (use -h for help)"); - args.node = argv[optind]; return 0; } |