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parse-options: stop abusing 'callback' for lowlevel callbacks

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Lowlevel callbacks have different function signatures. Add a new field
in 'struct option' with the right type for lowlevel callbacks.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy
2019-01-27 07:35:26 +07:00
committed by Junio C Hamano
parent f62470c650
commit bf3ff338a2
6 changed files with 32 additions and 13 deletions
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12
parse-options.h
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@ -100,13 +100,16 @@ typedef int parse_opt_ll_cb(struct parse_opt_ctx_t *ctx,
* the option takes optional argument.
*
* `callback`::
* pointer to the callback to use for OPTION_CALLBACK or
* OPTION_LOWLEVEL_CALLBACK.
* pointer to the callback to use for OPTION_CALLBACK
*
* `defval`::
* default value to fill (*->value) with for PARSE_OPT_OPTARG.
* OPTION_{BIT,SET_INT} store the {mask,integer} to put in the value when met.
* CALLBACKS can use it like they want.
*
* `ll_callback`::
* pointer to the callback to use for OPTION_LOWLEVEL_CALLBACK
*
*/
struct option {
enum parse_opt_type type;
@ -119,6 +122,7 @@ struct option {
int flags;
parse_opt_cb *callback;
intptr_t defval;
parse_opt_ll_cb *ll_callback;
intptr_t extra;
};
@ -137,7 +141,7 @@ struct option {
#define OPT_BIT(s, l, v, h, b) OPT_BIT_F(s, l, v, h, b, 0)
#define OPT_BITOP(s, l, v, h, set, clear) { OPTION_BITOP, (s), (l), (v), NULL, (h), \
PARSE_OPT_NOARG|PARSE_OPT_NONEG, NULL, \
(set), (clear) }
(set), NULL, (clear) }
#define OPT_NEGBIT(s, l, v, h, b) { OPTION_NEGBIT, (s), (l), (v), NULL, \
(h), PARSE_OPT_NOARG, NULL, (b) }
#define OPT_COUNTUP(s, l, v, h) OPT_COUNTUP_F(s, l, v, h, 0)
@ -263,7 +267,7 @@ int parse_opt_commits(const struct option *, const char *, int);
int parse_opt_tertiary(const struct option *, const char *, int);
int parse_opt_string_list(const struct option *, const char *, int);
int parse_opt_noop_cb(const struct option *, const char *, int);
int parse_opt_unknown_cb(const struct option *, const char *, int);
int parse_opt_unknown_cb(struct parse_opt_ctx_t *ctx, const struct option *, int);
int parse_opt_passthru(const struct option *, const char *, int);
int parse_opt_passthru_argv(const struct option *, const char *, int);