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| author | midipix <writeonce@midipix.org> | 2024-05-28 14:55:48 +0000 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2024-05-28 15:07:42 +0000 |
| commit | e80d48160ba6cc0cd83fa3bf57731e8fecf53f46 (patch) | |
| tree | 0cf1639b390255b11b7807a8c4cd3d9a29d1bb05 /src/internal/argv/argv.h | |
| parent | a69ceb7057c9aa0a067dede85aa8aa61c3928c1d (diff) | |
| download | treebnf-e80d48160ba6cc0cd83fa3bf57731e8fecf53f46.tar.bz2 treebnf-e80d48160ba6cc0cd83fa3bf57731e8fecf53f46.tar.xz | |
argv.h: usage screen: avoid extra <stace> when all long options are hybrid-only.
Diffstat (limited to 'src/internal/argv/argv.h')
| -rw-r--r-- | src/internal/argv/argv.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/internal/argv/argv.h b/src/internal/argv/argv.h index c6bd761..68abdcd 100644 --- a/src/internal/argv/argv.h +++ b/src/internal/argv/argv.h @@ -833,6 +833,7 @@ static void argv_usage_impl( { const struct argv_option ** optv; const struct argv_option * option; + int nlong; bool fshort,flong,fboth; size_t len,optlen,desclen; char cache; @@ -865,7 +866,7 @@ static void argv_usage_impl( if (header) argv_dprintf(fd,"%s",header); - for (optlen=0,optv=options; *optv; optv++) { + for (optlen=0,nlong=0,optv=options; *optv; optv++) { option = *optv; /* indent + comma */ @@ -884,6 +885,11 @@ static void argv_usage_impl( /* optlen */ if (len > optlen) optlen = len; + + /* long (vs. hybrid-only) option? */ + if (option->long_name) + if (!(option->flags & ARGV_OPTION_HYBRID_ONLY)) + nlong++; } if (optlen >= optcap) { @@ -918,6 +924,10 @@ static void argv_usage_impl( prefix = option->flags & ARGV_OPTION_HYBRID_ONLY ? " -" : " --"; + /* avoid extra <stace> when all long opts are hybrid-only */ + if (nlong == 0) + prefix++; + /* option string */ if (fboth && option->short_name && option->long_name) sprintf(optstr,"%s-%c,%s%s", |