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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __SUBCMD_PARSE_OPTIONS_H
3#define __SUBCMD_PARSE_OPTIONS_H
4
5#include <linux/kernel.h>
6#include <stdbool.h>
7#include <stdint.h>
8
9#ifndef NORETURN
10#define NORETURN __attribute__((__noreturn__))
11#endif
12
13enum parse_opt_type {
14 /* special types */
15 OPTION_END,
16 OPTION_ARGUMENT,
17 OPTION_GROUP,
18 /* options with no arguments */
19 OPTION_BIT,
20 OPTION_BOOLEAN,
21 OPTION_INCR,
22 OPTION_SET_UINT,
23 OPTION_SET_PTR,
24 /* options with arguments (usually) */
25 OPTION_STRING,
26 OPTION_INTEGER,
27 OPTION_LONG,
28 OPTION_CALLBACK,
29 OPTION_U64,
30 OPTION_UINTEGER,
31};
32
33enum parse_opt_flags {
34 PARSE_OPT_KEEP_DASHDASH = 1,
35 PARSE_OPT_STOP_AT_NON_OPTION = 2,
36 PARSE_OPT_KEEP_ARGV0 = 4,
37 PARSE_OPT_KEEP_UNKNOWN = 8,
38 PARSE_OPT_NO_INTERNAL_HELP = 16,
39};
40
41enum parse_opt_option_flags {
42 PARSE_OPT_OPTARG = 1,
43 PARSE_OPT_NOARG = 2,
44 PARSE_OPT_NONEG = 4,
45 PARSE_OPT_HIDDEN = 8,
46 PARSE_OPT_LASTARG_DEFAULT = 16,
47 PARSE_OPT_DISABLED = 32,
48 PARSE_OPT_EXCLUSIVE = 64,
49 PARSE_OPT_NOEMPTY = 128,
50 PARSE_OPT_NOBUILD = 256,
51 PARSE_OPT_CANSKIP = 512,
52};
53
54struct option;
55typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
56
57/*
58 * `type`::
59 * holds the type of the option, you must have an OPTION_END last in your
60 * array.
61 *
62 * `short_name`::
63 * the character to use as a short option name, '\0' if none.
64 *
65 * `long_name`::
66 * the long option name, without the leading dashes, NULL if none.
67 *
68 * `value`::
69 * stores pointers to the values to be filled.
70 *
71 * `argh`::
72 * token to explain the kind of argument this option wants. Keep it
73 * homogenous across the repository.
74 *
75 * `help`::
76 * the short help associated to what the option does.
77 * Must never be NULL (except for OPTION_END).
78 * OPTION_GROUP uses this pointer to store the group header.
79 *
80 * `flags`::
81 * mask of parse_opt_option_flags.
82 * PARSE_OPT_OPTARG: says that the argument is optionnal (not for BOOLEANs)
83 * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
84 * PARSE_OPT_NONEG: says that this option cannot be negated
85 * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
86 * the long one.
87 *
88 * `callback`::
89 * pointer to the callback to use for OPTION_CALLBACK.
90 *
91 * `defval`::
92 * default value to fill (*->value) with for PARSE_OPT_OPTARG.
93 * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
94 * the value when met.
95 * CALLBACKS can use it like they want.
96 *
97 * `set`::
98 * whether an option was set by the user
99 */
100struct option {
101 enum parse_opt_type type;
102 int short_name;
103 const char *long_name;
104 void *value;
105 const char *argh;
106 const char *help;
107 const char *build_opt;
108
109 int flags;
110 parse_opt_cb *callback;
111 intptr_t defval;
112 bool *set;
113 void *data;
114 const struct option *parent;
115};
116
117#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
118
119#define OPT_END() { .type = OPTION_END }
120#define OPT_PARENT(p) { .type = OPTION_END, .parent = (p) }
121#define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) }
122#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
123#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
124#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
125#define OPT_BOOLEAN_FLAG(s, l, v, h, f) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h), .flags = (f) }
126#define OPT_BOOLEAN_SET(s, l, v, os, h) \
127 { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \
128 .value = check_vtype(v, bool *), .help = (h), \
129 .set = check_vtype(os, bool *)}
130#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
131#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
132#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }
133#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
134#define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) }
135#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) }
136#define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) }
137#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h) }
138#define OPT_STRING_OPTARG(s, l, v, a, h, d) \
139 { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
140 .value = check_vtype(v, const char **), .argh =(a), .help = (h), \
141 .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) }
142#define OPT_STRING_OPTARG_SET(s, l, v, os, a, h, d) \
143 { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
144 .value = check_vtype(v, const char **), .argh = (a), .help = (h), \
145 .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d), \
146 .set = check_vtype(os, bool *)}
147#define OPT_STRING_NOEMPTY(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h), .flags = PARSE_OPT_NOEMPTY}
148#define OPT_DATE(s, l, v, h) \
149 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
150#define OPT_CALLBACK(s, l, v, a, h, f) \
151 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f) }
152#define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
153 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
154#define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
155 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
156#define OPT_CALLBACK_DEFAULT_NOOPT(s, l, v, a, h, f, d) \
157 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
158 .value = (v), .arg = (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
159 .flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
160#define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
161 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
162 .value = (v), .argh = (a), .help = (h), .callback = (f), \
163 .flags = PARSE_OPT_OPTARG, .data = (d) }
164
165/* parse_options() will filter out the processed options and leave the
166 * non-option argments in argv[].
167 * Returns the number of arguments left in argv[].
168 *
169 * NOTE: parse_options() and parse_options_subcommand() may call exit() in the
170 * case of an error (or for 'special' options like --list-cmds or --list-opts).
171 */
172extern int parse_options(int argc, const char **argv,
173 const struct option *options,
174 const char * const usagestr[], int flags);
175
176extern int parse_options_subcommand(int argc, const char **argv,
177 const struct option *options,
178 const char *const subcommands[],
179 const char *usagestr[], int flags);
180
181extern NORETURN void usage_with_options(const char * const *usagestr,
182 const struct option *options);
183extern NORETURN __attribute__((format(printf,3,4)))
184void usage_with_options_msg(const char * const *usagestr,
185 const struct option *options,
186 const char *fmt, ...);
187
188/*----- incremantal advanced APIs -----*/
189
190enum {
191 PARSE_OPT_HELP = -1,
192 PARSE_OPT_DONE,
193 PARSE_OPT_LIST_OPTS,
194 PARSE_OPT_LIST_SUBCMDS,
195 PARSE_OPT_UNKNOWN,
196};
197
198/*
199 * It's okay for the caller to consume argv/argc in the usual way.
200 * Other fields of that structure are private to parse-options and should not
201 * be modified in any way.
202 */
203struct parse_opt_ctx_t {
204 const char **argv;
205 const char **out;
206 int argc, cpidx;
207 const char *opt;
208 const struct option *excl_opt;
209 int flags;
210};
211
212extern int parse_options_usage(const char * const *usagestr,
213 const struct option *opts,
214 const char *optstr,
215 bool short_opt);
216
217
218/*----- some often used options -----*/
219extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
220extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
221extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
222
223#define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose")
224#define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet")
225#define OPT__VERBOSITY(var) \
226 { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \
227 PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \
228 { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \
229 PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }
230#define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run")
231#define OPT__ABBREV(var) \
232 { OPTION_CALLBACK, 0, "abbrev", (var), "n", \
233 "use <n> digits to display SHA-1s", \
234 PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
235
236extern const char *parse_options_fix_filename(const char *prefix, const char *file);
237
238void set_option_flag(struct option *opts, int sopt, const char *lopt, int flag);
239void set_option_nobuild(struct option *opts, int shortopt, const char *longopt,
240 const char *build_opt, bool can_skip);
241
242#endif /* __SUBCMD_PARSE_OPTIONS_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __SUBCMD_PARSE_OPTIONS_H
3#define __SUBCMD_PARSE_OPTIONS_H
4
5#include <linux/kernel.h>
6#include <stdbool.h>
7#include <stdint.h>
8
9enum parse_opt_type {
10 /* special types */
11 OPTION_END,
12 OPTION_ARGUMENT,
13 OPTION_GROUP,
14 /* options with no arguments */
15 OPTION_BIT,
16 OPTION_BOOLEAN,
17 OPTION_INCR,
18 OPTION_SET_UINT,
19 OPTION_SET_PTR,
20 /* options with arguments (usually) */
21 OPTION_STRING,
22 OPTION_INTEGER,
23 OPTION_LONG,
24 OPTION_ULONG,
25 OPTION_CALLBACK,
26 OPTION_U64,
27 OPTION_UINTEGER,
28};
29
30enum parse_opt_flags {
31 PARSE_OPT_KEEP_DASHDASH = 1,
32 PARSE_OPT_STOP_AT_NON_OPTION = 2,
33 PARSE_OPT_KEEP_ARGV0 = 4,
34 PARSE_OPT_KEEP_UNKNOWN = 8,
35 PARSE_OPT_NO_INTERNAL_HELP = 16,
36};
37
38enum parse_opt_option_flags {
39 PARSE_OPT_OPTARG = 1,
40 PARSE_OPT_NOARG = 2,
41 PARSE_OPT_NONEG = 4,
42 PARSE_OPT_HIDDEN = 8,
43 PARSE_OPT_LASTARG_DEFAULT = 16,
44 PARSE_OPT_DISABLED = 32,
45 PARSE_OPT_EXCLUSIVE = 64,
46 PARSE_OPT_NOEMPTY = 128,
47 PARSE_OPT_NOBUILD = 256,
48 PARSE_OPT_CANSKIP = 512,
49};
50
51struct option;
52typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
53
54/*
55 * `type`::
56 * holds the type of the option, you must have an OPTION_END last in your
57 * array.
58 *
59 * `short_name`::
60 * the character to use as a short option name, '\0' if none.
61 *
62 * `long_name`::
63 * the long option name, without the leading dashes, NULL if none.
64 *
65 * `value`::
66 * stores pointers to the values to be filled.
67 *
68 * `argh`::
69 * token to explain the kind of argument this option wants. Keep it
70 * homogeneous across the repository.
71 *
72 * `help`::
73 * the short help associated to what the option does.
74 * Must never be NULL (except for OPTION_END).
75 * OPTION_GROUP uses this pointer to store the group header.
76 *
77 * `flags`::
78 * mask of parse_opt_option_flags.
79 * PARSE_OPT_OPTARG: says that the argument is optional (not for BOOLEANs)
80 * PARSE_OPT_NOARG: says that this option takes no argument, for CALLBACKs
81 * PARSE_OPT_NONEG: says that this option cannot be negated
82 * PARSE_OPT_HIDDEN this option is skipped in the default usage, showed in
83 * the long one.
84 *
85 * `callback`::
86 * pointer to the callback to use for OPTION_CALLBACK.
87 *
88 * `defval`::
89 * default value to fill (*->value) with for PARSE_OPT_OPTARG.
90 * OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
91 * the value when met.
92 * CALLBACKS can use it like they want.
93 *
94 * `set`::
95 * whether an option was set by the user
96 */
97struct option {
98 enum parse_opt_type type;
99 int short_name;
100 const char *long_name;
101 void *value;
102 const char *argh;
103 const char *help;
104 const char *build_opt;
105
106 int flags;
107 parse_opt_cb *callback;
108 intptr_t defval;
109 bool *set;
110 void *data;
111 const struct option *parent;
112};
113
114#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
115
116#define OPT_END() { .type = OPTION_END }
117#define OPT_PARENT(p) { .type = OPTION_END, .parent = (p) }
118#define OPT_ARGUMENT(l, h) { .type = OPTION_ARGUMENT, .long_name = (l), .help = (h) }
119#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
120#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
121#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
122#define OPT_BOOLEAN_FLAG(s, l, v, h, f) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h), .flags = (f) }
123#define OPT_BOOLEAN_SET(s, l, v, os, h) \
124 { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \
125 .value = check_vtype(v, bool *), .help = (h), \
126 .set = check_vtype(os, bool *)}
127#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
128#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
129#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }
130#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
131#define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h) }
132#define OPT_UINTEGER_OPTARG(s, l, v, d, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) }
133#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, long *), .help = (h) }
134#define OPT_ULONG(s, l, v, h) { .type = OPTION_ULONG, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned long *), .help = (h) }
135#define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = check_vtype(v, u64 *), .help = (h) }
136#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h) }
137#define OPT_STRING_OPTARG(s, l, v, a, h, d) \
138 { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
139 .value = check_vtype(v, const char **), .argh =(a), .help = (h), \
140 .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d) }
141#define OPT_STRING_OPTARG_SET(s, l, v, os, a, h, d) \
142 { .type = OPTION_STRING, .short_name = (s), .long_name = (l), \
143 .value = check_vtype(v, const char **), .argh = (a), .help = (h), \
144 .flags = PARSE_OPT_OPTARG, .defval = (intptr_t)(d), \
145 .set = check_vtype(os, bool *)}
146#define OPT_STRING_NOEMPTY(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = check_vtype(v, const char **), .argh = (a), .help = (h), .flags = PARSE_OPT_NOEMPTY}
147#define OPT_DATE(s, l, v, h) \
148 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
149#define OPT_CALLBACK(s, l, v, a, h, f) \
150 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f) }
151#define OPT_CALLBACK_SET(s, l, v, os, a, h, f) \
152 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .set = check_vtype(os, bool *)}
153#define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
154 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
155#define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
156 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
157#define OPT_CALLBACK_DEFAULT_NOOPT(s, l, v, a, h, f, d) \
158 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l),\
159 .value = (v), .arg = (a), .help = (h), .callback = (f), .defval = (intptr_t)d,\
160 .flags = PARSE_OPT_LASTARG_DEFAULT | PARSE_OPT_NOARG}
161#define OPT_CALLBACK_OPTARG(s, l, v, d, a, h, f) \
162 { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), \
163 .value = (v), .argh = (a), .help = (h), .callback = (f), \
164 .flags = PARSE_OPT_OPTARG, .data = (d) }
165
166/* parse_options() will filter out the processed options and leave the
167 * non-option argments in argv[].
168 * Returns the number of arguments left in argv[].
169 *
170 * NOTE: parse_options() and parse_options_subcommand() may call exit() in the
171 * case of an error (or for 'special' options like --list-cmds or --list-opts).
172 */
173extern int parse_options(int argc, const char **argv,
174 const struct option *options,
175 const char * const usagestr[], int flags);
176
177extern int parse_options_subcommand(int argc, const char **argv,
178 const struct option *options,
179 const char *const subcommands[],
180 const char *usagestr[], int flags);
181
182extern __noreturn void usage_with_options(const char * const *usagestr,
183 const struct option *options);
184extern __noreturn __attribute__((format(printf,3,4)))
185void usage_with_options_msg(const char * const *usagestr,
186 const struct option *options,
187 const char *fmt, ...);
188
189/*----- incremantal advanced APIs -----*/
190
191enum {
192 PARSE_OPT_HELP = -1,
193 PARSE_OPT_DONE,
194 PARSE_OPT_LIST_OPTS,
195 PARSE_OPT_LIST_SUBCMDS,
196 PARSE_OPT_UNKNOWN,
197};
198
199/*
200 * It's okay for the caller to consume argv/argc in the usual way.
201 * Other fields of that structure are private to parse-options and should not
202 * be modified in any way.
203 */
204struct parse_opt_ctx_t {
205 const char **argv;
206 const char **out;
207 int argc, cpidx;
208 const char *opt;
209 const struct option *excl_opt;
210 int flags;
211};
212
213extern int parse_options_usage(const char * const *usagestr,
214 const struct option *opts,
215 const char *optstr,
216 bool short_opt);
217
218
219/*----- some often used options -----*/
220extern int parse_opt_abbrev_cb(const struct option *, const char *, int);
221extern int parse_opt_approxidate_cb(const struct option *, const char *, int);
222extern int parse_opt_verbosity_cb(const struct option *, const char *, int);
223
224#define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose")
225#define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet")
226#define OPT__VERBOSITY(var) \
227 { OPTION_CALLBACK, 'v', "verbose", (var), NULL, "be more verbose", \
228 PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }, \
229 { OPTION_CALLBACK, 'q', "quiet", (var), NULL, "be more quiet", \
230 PARSE_OPT_NOARG, &parse_opt_verbosity_cb, 0 }
231#define OPT__DRY_RUN(var) OPT_BOOLEAN('n', "dry-run", (var), "dry run")
232#define OPT__ABBREV(var) \
233 { OPTION_CALLBACK, 0, "abbrev", (var), "n", \
234 "use <n> digits to display SHA-1s", \
235 PARSE_OPT_OPTARG, &parse_opt_abbrev_cb, 0 }
236
237extern const char *parse_options_fix_filename(const char *prefix, const char *file);
238
239void set_option_flag(struct option *opts, int sopt, const char *lopt, int flag);
240void set_option_nobuild(struct option *opts, int shortopt, const char *longopt,
241 const char *build_opt, bool can_skip);
242
243#endif /* __SUBCMD_PARSE_OPTIONS_H */