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| author |  René Scharfe <rene.scharfe@lsrfire.ath.cx> | 2009-03-08 19:16:58 +0100 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2009-03-08 13:36:41 -0700 |
| commit | 49b6180252000e37ec47ccb4156240ed625949ed (patch) | |
| tree | a4aa47b6c28e7589344e8fa4d52676a7bc3a1694 | |
| parent | parseopt: add PARSE_OPT_NO_INTERNAL_HELP (diff) | |
| download | tgif-49b6180252000e37ec47ccb4156240ed625949ed.tar.xz | |
parseopt: make usage optional
Allow usagestr to be NULL and don't display any help screen in
this case. This is useful to implement incremental parsers.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | parse-options.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/parse-options.c b/parse-options.c index 8b21dea72e..51e804b3be 100644 --- a/parse-options.c +++ b/parse-options.c @@ -364,6 +364,9 @@ int parse_options(int argc, const char **argv, const struct option *options, int usage_with_options_internal(const char * const *usagestr, const struct option *opts, int full) { + if (!usagestr) + return PARSE_OPT_HELP; + fprintf(stderr, "usage: %s\n", *usagestr++); while (*usagestr && **usagestr) fprintf(stderr, " or: %s\n", *usagestr++); |