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authorPierre Habouzit <madcoder@debian.org>2007-10-15 01:38:30 +0200
committerJunio C Hamano <gitster@pobox.com>2007-10-29 21:03:30 -0700
commitd7a38c54a6ccbcbcf29d8cf1110b2702c8b3f7f8 (patch)
treea251284aae998f1eca3349c662e2d05fe3744820 /parse-options.h
parent4a59fd131229968b08af9bdf221c341f54c52983 (diff)
downloadgit-d7a38c54a6ccbcbcf29d8cf1110b2702c8b3f7f8.tar.gz
parse-options: be able to generate usages automatically
Signed-off-by: Pierre Habouzit <madcoder@debian.org> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Diffstat (limited to 'parse-options.h')
-rw-r--r--parse-options.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/parse-options.h b/parse-options.h
index 76d73b299f..3006a769cd 100644
--- a/parse-options.h
+++ b/parse-options.h
@@ -3,6 +3,7 @@
enum parse_opt_type {
OPTION_END,
+ OPTION_GROUP,
OPTION_BOOLEAN,
OPTION_STRING,
OPTION_INTEGER,
@@ -17,12 +18,15 @@ struct option {
int short_name;
const char *long_name;
void *value;
+ const char *argh;
+ const char *help;
};
#define OPT_END() { OPTION_END }
-#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v) }
-#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v) }
-#define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v) }
+#define OPT_GROUP(h) { OPTION_GROUP, 0, NULL, NULL, NULL, (h) }
+#define OPT_BOOLEAN(s, l, v, h) { OPTION_BOOLEAN, (s), (l), (v), NULL, (h) }
+#define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), NULL, (h) }
+#define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) }
/* parse_options() will filter out the processed options and leave the
* non-option argments in argv[].
@@ -30,6 +34,9 @@ struct option {
*/
extern int parse_options(int argc, const char **argv,
const struct option *options,
- const char *usagestr, int flags);
+ const char * const usagestr[], int flags);
+
+extern NORETURN void usage_with_options(const char * const *usagestr,
+ const struct option *options);
#endif