Date: Wed, 19 Mar 2014 22:27:11 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r263383 - user/marcel/mkimg Message-ID: <201403192227.s2JMRB0a070755@svn.freebsd.org>
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Author: marcel Date: Wed Mar 19 22:27:10 2014 New Revision: 263383 URL: http://svnweb.freebsd.org/changeset/base/263383 Log: Expand usage(). This serves even now as a good reminder. Modified: user/marcel/mkimg/mkimg.c Modified: user/marcel/mkimg/mkimg.c ============================================================================== --- user/marcel/mkimg/mkimg.c Wed Mar 19 21:44:51 2014 (r263382) +++ user/marcel/mkimg/mkimg.c Wed Mar 19 22:27:10 2014 (r263383) @@ -67,13 +67,35 @@ static void usage(const char *why) { warnx("error: %s", why); - fprintf(stderr, "usage: %s <options>\n", getprogname()); + fprintf(stderr, "\nusage: %s <options>\n", getprogname()); + fprintf(stderr, " options:\n"); - fprintf(stderr, "\t-b <bootcode>\n"); - fprintf(stderr, "\t-o <file>\n"); + fprintf(stderr, "\t-b <file>\t- file containing boot code\n"); + fprintf(stderr, "\t-h <num>\t- number of heads to simulate\n"); + fprintf(stderr, "\t-o <file>\t- file to write image into\n"); fprintf(stderr, "\t-p <partition>\n"); fprintf(stderr, "\t-s <scheme>\n"); - fprintf(stderr, "\t-z\n"); + fprintf(stderr, "\t-t <num>\t- number of tracks to simulate\n"); + fprintf(stderr, "\t-z\t\t- write a sparse file\n"); + + fprintf(stderr, " schemes:\n"); + fprintf(stderr, "\tapm\t- Apple Partition Map\n"); + fprintf(stderr, "\tbsd\t- BSD disk label\n"); + fprintf(stderr, "\tebr\t- Extended Boot Record\n"); + fprintf(stderr, "\tgpt\t- GUID Partition Table\n"); + fprintf(stderr, "\tmbr\t- Master Boot Record\n"); + fprintf(stderr, "\tpc98\t- PC-9800 disk partitions\n"); + fprintf(stderr, "\tvtoc8\t- SMI VTOC8 disk labels\n"); + + fprintf(stderr, " partition specification:\n"); + fprintf(stderr, "\t<type>::<size>\t- empty partition of given size\n"); + fprintf(stderr, "\t<type>:=<file>\t- partition content and size\n" + "\t\t\t determined by the named file\n"); + fprintf(stderr, "\t<type>:!<cmd>\t- partition content and size\n" + "\t\t\t taken from the output of the command to run\n"); + fprintf(stderr, "\t where:\n"); + fprintf(stderr, "\t\ttype\t- scheme neutral partition type\n"); + exit(EX_USAGE); }
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