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| author | Tristan Gingold <tgingold@free.fr> | 2021-04-27 21:17:22 +0200 |
|---|---|---|
| committer | Tristan Gingold <tgingold@free.fr> | 2021-04-27 21:17:22 +0200 |
| commit | a7334f5837fcc417173254707bc8acfc84120b47 (patch) | |
| tree | 548b217308aa5c99a3abacae491aee13ff04cac6 | |
| parent | 94d4ef5976f9bd15e4253200b0577a7a86e0bc22 (diff) | |
| download | ghdl-a7334f5837fcc417173254707bc8acfc84120b47.tar.gz ghdl-a7334f5837fcc417173254707bc8acfc84120b47.tar.bz2 ghdl-a7334f5837fcc417173254707bc8acfc84120b47.zip | |
ghwdump: display help for -h or --help
| -rw-r--r-- | ghw/ghwdump.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ghw/ghwdump.c b/ghw/ghwdump.c index fe74e5f9a..fa385af52 100644 --- a/ghw/ghwdump.c +++ b/ghw/ghwdump.c @@ -163,6 +163,14 @@ main (int argc, char **argv) signal_set = NULL; filter_done = 0; + /* Disp help if there is only an help option. */ + if (argc == 2 + && (strcmp (argv[1], "--help") == 0 || strcmp (argv[1], "-h") == 0)) + { + usage (); + exit (0); + } + while (1) { int c; |