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builtin-help: make some internal functions available to other builtins

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Make load_command_list() capable of filtering for a given prefix and
loading into a pair of "struct cmdnames" supplied by the caller.

Make the static add_cmdname(), exclude_cmds() and is_in_cmdlist()
functions non-static.

Make list_commands() accept a custom title, and work from a pair of
"struct cmdnames" supplied by the caller.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Miklos Vajna
2008-07-30 01:16:58 +02:00
committed by Junio C Hamano
parent 1ce4790bf5
commit 940208a771
3 changed files with 63 additions and 38 deletions
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23
help.h Normal file
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#ifndef HELP_H
#define HELP_H
struct cmdnames {
int alloc;
int cnt;
struct cmdname {
size_t len;
char name[FLEX_ARRAY];
} **names;
};
unsigned int load_command_list(const char *prefix,
struct cmdnames *main_cmds,
struct cmdnames *other_cmds);
void add_cmdname(struct cmdnames *cmds, const char *name, int len);
/* Here we require that excludes is a sorted list. */
void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes);
int is_in_cmdlist(struct cmdnames *c, const char *s);
void list_commands(const char *title, unsigned int longest,
struct cmdnames *main_cmds, struct cmdnames *other_cmds);
#endif /* HELP_H */