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common: command: Expose a generic helper to auto-complete sub commands

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Some commands have a table of sub-commands. With minor adjustments,
complete_cmdv() is able to provide auto-completion for sub-commands
(it's just about passing the table of commands instead of taking the
global one).
We rename this function into complete_subcmd() and implement
complete_cmdv() as a wrapper around complete_subcmdv().

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Boris Brezillon 2018-12-03 22:54:19 +01:00 • committed by Tom Rini
parent cbe07ebeaf
commit 6fb61445bb
2 changed files with 19 additions and 4 deletions
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3
include/command.h
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@ -54,6 +54,9 @@ int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int
flag, int argc, char * const argv[]);
cmd_tbl_t *find_cmd(const char *cmd);
cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len);
int complete_subcmdv(cmd_tbl_t *cmdtp, int count, int argc,
char * const argv[], char last_char, int maxv,
char *cmdv[]);
extern int cmd_usage(const cmd_tbl_t *cmdtp);