#include "commands.h"
#include "version.h"
-static const char btrfs_cmd_group_usage[] =
- "btrfs [--help] [--version] <group> [<group>...] <command> [<args>]";
+static const char * const btrfs_cmd_group_usage[] = {
+ "btrfs [--help] [--version] <group> [<group>...] <command> [<args>]",
+ NULL
+};
static const char btrfs_cmd_group_info[] =
"Use --help as an argument for information on a specific group or command.";
} else {
fprintf(stderr, "Unknown option: %s\n", arg);
fprintf(stderr, "usage: %s\n",
- btrfs_cmd_group.usagestr);
+ btrfs_cmd_group.usagestr[0]);
exit(129);
}
#include "commands.h"
-static const char balance_cmd_group_usage[] =
- "btrfs [filesystem] balance [<command>] [options] <path>";
+static const char * const balance_cmd_group_usage[] = {
+ "btrfs [filesystem] balance <command> [options] <path>",
+ "btrfs [filesystem] balance <path>",
+ NULL
+};
static const char balance_cmd_group_info[] =
"'btrfs filesystem balance' command is deprecated, please use\n"
static inline int ioctl(int fd, int define, void *arg) { return 0; }
#endif
-static const char device_cmd_group_usage[] =
- "btrfs device <command> [<args>]";
+static const char * const device_cmd_group_usage[] = {
+ "btrfs device <command> [<args>]",
+ NULL
+};
static const char * const cmd_add_dev_usage[] = {
"btrfs device add <device> [<device>...] <path>",
#include "commands.h"
#include "btrfslabel.h"
-static const char filesystem_cmd_group_usage[] =
- "btrfs filesystem [<group>] <command> [<args>]";
+static const char * const filesystem_cmd_group_usage[] = {
+ "btrfs filesystem [<group>] <command> [<args>]",
+ NULL
+};
static const char * const cmd_df_usage[] = {
"btrfs filesystem df <path>",
/* btrfs-list.c */
char *path_for_root(int fd, u64 root);
-static const char inspect_cmd_group_usage[] =
- "btrfs inspect-internal <command> <args>";
+static const char * const inspect_cmd_group_usage[] = {
+ "btrfs inspect-internal <command> <args>",
+ NULL
+};
static int __ino_to_path_fd(u64 inum, int fd, int verbose, const char *prepend)
{
#include "commands.h"
-static const char scrub_cmd_group_usage[] =
- "btrfs scrub <command> [options] <path>|<device>";
+static const char * const scrub_cmd_group_usage[] = {
+ "btrfs scrub <command> [options] <path>|<device>",
+ NULL
+};
#define SCRUB_DATA_FILE "/var/lib/btrfs/scrub.status"
#define SCRUB_PROGRESS_SOCKET_PATH "/var/lib/btrfs/scrub.progress"
int list_subvols(int fd, int print_parent, int get_default);
int find_updated_files(int fd, u64 root_id, u64 oldest_gen);
-static const char subvolume_cmd_group_usage[] =
- "btrfs subvolume <command> <args>";
+static const char * const subvolume_cmd_group_usage[] = {
+ "btrfs subvolume <command> <args>",
+ NULL
+};
/*
* test if path is a directory
};
struct cmd_group {
- const char *usagestr;
+ const char * const *usagestr;
const char *infostr;
const struct cmd_struct commands[];
void usage_command_group(const struct cmd_group *grp, int full, int err)
{
+ const char * const *usagestr = grp->usagestr;
FILE *outf = err ? stderr : stdout;
- fprintf(outf, "usage: %s\n\n", grp->usagestr);
+ if (usagestr && *usagestr) {
+ fprintf(outf, "usage: %s\n", *usagestr++);
+ while (*usagestr)
+ fprintf(outf, " or: %s\n", *usagestr++);
+ }
+
+ fputc('\n', outf);
usage_command_group_internal(grp, full, outf);
fputc('\n', outf);