diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | test-skeleton.c | 36 |
2 files changed, 41 insertions, 0 deletions
@@ -1,5 +1,10 @@ 2015-08-05 Mike Frysinger <vapier@gentoo.org> + * test-skeleton.c (usage): New function. + (main): Call usage when opt is '?'. + +2015-08-05 Mike Frysinger <vapier@gentoo.org> + * sysdeps/unix/sysv/linux/mmap64.c: Move MMAP2_PAGE_SHIFT define before first use. diff --git a/test-skeleton.c b/test-skeleton.c index 9ee5001..1b2688c 100644 --- a/test-skeleton.c +++ b/test-skeleton.c @@ -250,6 +250,41 @@ set_fortify_handler (void (*handler) (int sig)) ignore_stderr (); } +/* Show people how to run the program. */ +static void +usage (void) +{ + size_t i; + + printf ("Usage: %s [options]\n" + "\n" + "Environment Variables:\n" + " TIMEOUTFACTOR An integer used to scale the timeout\n" + " TMPDIR Where to place temporary files\n" + "\n", + program_invocation_short_name); + printf ("Options:\n"); + for (i = 0; options[i].name; ++i) + { + int indent; + + indent = printf (" --%s", options[i].name); + if (options[i].has_arg == required_argument) + indent += printf (" <arg>"); + printf ("%*s", 25 - indent, ""); + switch (options[i].val) + { + case OPT_DIRECT: + printf ("Run the test directly (instead of forking & monitoring)"); + break; + case OPT_TESTDIR: + printf ("Override the TMPDIR env var"); + break; + } + printf ("\n"); + } +} + /* We provide the entry point here. */ int main (int argc, char *argv[]) @@ -271,6 +306,7 @@ main (int argc, char *argv[]) switch (opt) { case '?': + usage (); exit (1); case OPT_DIRECT: direct = 1; |