mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git
synced 2024-11-16 08:44:31 +08:00
c17a056f38
These were mostly in option structs but there were a few gross string pointer arguments given as 0. Signed-off-by: Zach Brown <zab@redhat.com> Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#define ARGV0_BUF_SIZE 64
|
|
|
|
struct cmd_struct {
|
|
const char *token;
|
|
int (*fn)(int, char **);
|
|
|
|
/*
|
|
* Usage strings
|
|
*
|
|
* A NULL-terminated array of the following format:
|
|
*
|
|
* usagestr[0] - one-line synopsis (required)
|
|
* usagestr[1] - one-line short description (required)
|
|
* usagestr[2..m] - a long (possibly multi-line) description
|
|
* (optional)
|
|
* usagestr[m + 1] - an empty line separator (required if at least one
|
|
* option string is given, not needed otherwise)
|
|
* usagestr[m + 2..n] - option strings, one option per line
|
|
* (optional)
|
|
* usagestr[n + 1] - NULL terminator
|
|
*
|
|
* Options (if present) should always (even if there is no long
|
|
* description) be prepended with an empty line. Supplied strings are
|
|
* indented but otherwise printed as-is, no automatic wrapping is done.
|
|
*
|
|
* Grep for cmd_*_usage[] for examples.
|
|
*/
|
|
const char * const *usagestr;
|
|
|
|
/* should be NULL if token is not a subgroup */
|
|
const struct cmd_group *next;
|
|
|
|
/* if true don't list this token in help listings */
|
|
int hidden;
|
|
};
|
|
|
|
#define NULL_CMD_STRUCT {NULL, NULL, NULL, NULL, 0}
|
|
|
|
struct cmd_group {
|
|
const char * const *usagestr;
|
|
const char *infostr;
|
|
|
|
const struct cmd_struct commands[];
|
|
};
|
|
|
|
/* btrfs.c */
|
|
int prefixcmp(const char *str, const char *prefix);
|
|
|
|
int check_argc_exact(int nargs, int expected);
|
|
int check_argc_min(int nargs, int expected);
|
|
int check_argc_max(int nargs, int expected);
|
|
|
|
int handle_command_group(const struct cmd_group *grp, int argc,
|
|
char **argv);
|
|
|
|
/* help.c */
|
|
extern const char * const generic_cmd_help_usage[];
|
|
|
|
void usage(const char * const *usagestr);
|
|
void usage_command(const struct cmd_struct *cmd, int full, int err);
|
|
void usage_command_group(const struct cmd_group *grp, int all, int err);
|
|
|
|
void help_unknown_token(const char *arg, const struct cmd_group *grp);
|
|
void help_ambiguous_token(const char *arg, const struct cmd_group *grp);
|
|
|
|
void help_command_group(const struct cmd_group *grp, int argc, char **argv);
|
|
|
|
extern const struct cmd_group subvolume_cmd_group;
|
|
extern const struct cmd_group filesystem_cmd_group;
|
|
extern const struct cmd_group balance_cmd_group;
|
|
extern const struct cmd_group device_cmd_group;
|
|
extern const struct cmd_group scrub_cmd_group;
|
|
extern const struct cmd_group inspect_cmd_group;
|
|
extern const struct cmd_group quota_cmd_group;
|
|
extern const struct cmd_group qgroup_cmd_group;
|
|
extern const struct cmd_group replace_cmd_group;
|
|
|
|
extern const char * const cmd_send_usage[];
|
|
extern const char * const cmd_receive_usage[];
|
|
extern const char * const cmd_check_usage[];
|
|
extern const char * const cmd_chunk_recover_usage[];
|
|
extern const char * const cmd_restore_usage[];
|
|
|
|
int cmd_subvolume(int argc, char **argv);
|
|
int cmd_filesystem(int argc, char **argv);
|
|
int cmd_balance(int argc, char **argv);
|
|
int cmd_device(int argc, char **argv);
|
|
int cmd_scrub(int argc, char **argv);
|
|
int cmd_check(int argc, char **argv);
|
|
int cmd_chunk_recover(int argc, char **argv);
|
|
int cmd_inspect(int argc, char **argv);
|
|
int cmd_send(int argc, char **argv);
|
|
int cmd_receive(int argc, char **argv);
|
|
int cmd_quota(int argc, char **argv);
|
|
int cmd_qgroup(int argc, char **argv);
|
|
int cmd_replace(int argc, char **argv);
|
|
int cmd_restore(int argc, char **argv);
|
|
int cmd_select_super(int argc, char **argv);
|
|
int cmd_dump_super(int argc, char **argv);
|
|
int cmd_debug_tree(int argc, char **argv);
|
|
|
|
/* subvolume exported functions */
|
|
int test_issubvolume(char *path);
|
|
|
|
/* send.c */
|
|
int find_mount_root(const char *path, char **mount_root);
|
|
char *get_subvol_name(char *mnt, char *full_path);
|