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| author | JF Bastien <github@jfbastien.com> | 2016-01-20 15:05:29 -0800 |
|---|---|---|
| committer | JF Bastien <github@jfbastien.com> | 2016-01-20 15:05:29 -0800 |
| commit | f032a4a7b14fc8c60b1a07d44c38fdff573b3baa (patch) | |
| tree | df4b4e8b95a052e78e9d7d5cc8d239e21a5bcfcc /src/support | |
| parent | 9f52fd46b6c6c961c8eeb9891e2a5c4f36fe09b2 (diff) | |
| download | binaryen-f032a4a7b14fc8c60b1a07d44c38fdff573b3baa.tar.gz binaryen-f032a4a7b14fc8c60b1a07d44c38fdff573b3baa.tar.bz2 binaryen-f032a4a7b14fc8c60b1a07d44c38fdff573b3baa.zip | |
Fix command-line help when there's only long or short
Diffstat (limited to 'src/support')
| -rw-r--r-- | src/support/command-line.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/support/command-line.cpp b/src/support/command-line.cpp index c078ef45f..b4f8a4d62 100644 --- a/src/support/command-line.cpp +++ b/src/support/command-line.cpp @@ -32,9 +32,11 @@ Options::Options(const std::string &command, const std::string &description) } // TODO: line-wrap description. for (const auto &o : options) { + bool long_n_short = o.longName.size() != 0 && o.shortName.size() != 0; size_t pad = 1 + optionWidth - o.longName.size() - o.shortName.size(); - std::cerr << " " << o.longName << ',' << o.shortName - << std::string(pad, ' ') << o.description << '\n'; + std::cerr << " " << o.longName << (long_n_short ? ',' : ' ') + << o.shortName << std::string(pad, ' ') << o.description + << '\n'; } std::cerr << '\n'; exit(EXIT_SUCCESS); |