56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
|
|
* Copyright 2007 Roy Marples
|
|
* All rights reserved
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
__attribute__ ((__noreturn__))
|
|
static void usage (int exit_status)
|
|
{
|
|
const char * const has_arg[] = { "", "<arg>", "[arg]" };
|
|
int i;
|
|
|
|
printf ("Usage: %s [options] ", applet);
|
|
#ifdef extraopts
|
|
printf (extraopts);
|
|
#endif
|
|
printf ("\n\nOptions: [" getoptstring "]\n");
|
|
for (i = 0; longopts[i].name; ++i) {
|
|
int len = printf (" -%c, --%s %s", longopts[i].val, longopts[i].name,
|
|
has_arg[longopts[i].has_arg]);
|
|
|
|
char *lo = xstrdup (longopts_help[i]);
|
|
char *p = lo;
|
|
char *token;
|
|
|
|
while ((token = strsep (&p, "\n"))) {
|
|
while (++len < 37)
|
|
printf (" ");
|
|
puts (token);
|
|
len = 0;
|
|
}
|
|
free (lo);
|
|
}
|
|
exit (exit_status);
|
|
}
|