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sfdisk: help screen format 

Readability improvement by making the help screen to look like
majority of command line utilities.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2011-05-29 20:26:22 +02:00
parent 4dd3383af2
commit cc80c23477
1 changed files with 48 additions and 45 deletions
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93
fdisk/sfdisk.c
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@ -2308,47 +2308,47 @@ read_input(char *dev, int interactive, struct disk_desc *z) {
/*
* G. The command line
*/
static void usage(FILE * out)
{
static void version(void) {
printf("sfdisk (%s)\n", PACKAGE_STRING);
fprintf(out, _("\nUsage:\n"
" %s [options] device [...]\n"),
program_invocation_short_name);
fprintf(out, _("Device is something like /dev/hda or /dev/sda\n"));
fprintf(out, _("\nOptions:\n"
" -s, --show-size list size of a partition\n"
" -c, --id change or print partition Id\n"
" -l, --list list partitions of each device\n"
" -d, --dump idem, but in a format suitable for later input\n"
" -i, --increment number cylinders etc. from 1 instead of from 0\n"
" -u, --unit=[SBCM] units in sectors, blocks, cylinders or MB\n"
" -T, --list-types list the known partition types\n"
" -D, --DOS for DOS-compatibility: waste a little space\n"
" -R, --re-read make kernel reread partition table\n"
" -N=NUM change only the partition with number NUM\n"
" -n do not actually write to disk\n"
" -O FILE save the sectors that will be overwritten to file\n"
" -I FILE restore sectors from file\n"
" -v, --version print version\n"
" -h, --help print this message\n"));
fprintf(out, _("\nDangerous options:\n"
" -f, --force disable all consistency checking\n"
" -g, --show-geometry print the kernel's idea of the geometry\n"
" -G, --show-pt-geometry print geometry guessed from the partition table\n"
" -x, --show-extended also list extended partitions on output\n"
" or expect descriptors for them on input\n"
" -L, --Linux do not complain about things irrelevant for Linux\n"
" -q, --quiet suppress warning messages\n"
"\n Override the detected geometry using:\n"
" -C, --cylinders=NUM set the number of cylinders to use\n"
" -H, --heads=NUM set the number of heads to use\n"
" -S, --sectors=NUM set the number of sectors to use\n\n"));
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
static void
usage(void) {
version();
printf(_("Usage: %s [options] device ...\n"), PROGNAME);
puts (_("device: something like /dev/hda or /dev/sda"));
puts (_("useful options:"));
puts (_(" -s [or --show-size]: list size of a partition"));
puts (_(" -c [or --id]: print or change partition Id"));
puts (_(" -l [or --list]: list partitions of each device"));
puts (_(" -d [or --dump]: idem, but in a format suitable for later input"));
puts (_(" -i [or --increment]: number cylinders etc. from 1 instead of from 0"));
puts (_(" -uS, -uB, -uC, -uM: accept/report in units of sectors/blocks/cylinders/MB"));
puts (_(" -T [or --list-types]:list the known partition types"));
puts (_(" -D [or --DOS]: for DOS-compatibility: waste a little space"));
puts (_(" -R [or --re-read]: make kernel reread partition table"));
puts (_(" -N# : change only the partition with number #"));
puts (_(" -n : do not actually write to disk"));
puts (_(" -O file : save the sectors that will be overwritten to file"));
puts (_(" -I file : restore these sectors again"));
puts (_(" -v [or --version]: print version"));
puts (_(" -? [or --help]: print this message"));
puts (_("dangerous options:"));
puts (_(" -g [or --show-geometry]: print the kernel's idea of the geometry"));
puts (_(" -G [or --show-pt-geometry]: print geometry guessed from the partition table"));
puts (_(" -x [or --show-extended]: also list extended partitions on output\n"
" or expect descriptors for them on input"));
puts (_(" -L [or --Linux]: do not complain about things irrelevant for Linux"));
puts (_(" -q [or --quiet]: suppress warning messages"));
puts (_(" You can override the detected geometry using:"));
puts (_(" -C# [or --cylinders #]:set the number of cylinders to use"));
puts (_(" -H# [or --heads #]: set the number of heads to use"));
puts (_(" -S# [or --sectors #]: set the number of sectors to use"));
puts (_("You can disable all consistency checking with:"));
puts (_(" -f [or --force]: do what I say, even if it is stupid"));
exit(1);
}
static void
activate_usage(char *progn) {
@ -2364,7 +2364,7 @@ unhide_usage(char *progn __attribute__ ((__unused__))) {
exit(1);
}
static char short_opts[] = "cdfgilnqsu:vx?1A::C:DGH:I:LN:O:RS:TU::V";
static const char short_opts[] = "cdfghilnqsu:vx1A::C:DGH:I:LN:O:RS:TU::V";
#define PRINT_ID 0400
#define CHANGE_ID 01000
@ -2376,6 +2376,7 @@ static const struct option long_opts[] = {
{ "dump", no_argument, NULL, 'd' },
{ "force", no_argument, NULL, 'f' },
{ "show-geometry", no_argument, NULL, 'g' },
{ "help", no_argument, NULL, 'h' },
{ "increment", no_argument, NULL, 'i' },
{ "list", no_argument, NULL, 'l' },
{ "quiet", no_argument, NULL, 'q' },
@ -2383,7 +2384,6 @@ static const struct option long_opts[] = {
{ "unit", required_argument, NULL, 'u' },
{ "version", no_argument, NULL, 'v' },
{ "show-extended", no_argument, NULL, 'x' },
{ "help", no_argument, NULL, '?' },
{ "one-only", no_argument, NULL, '1' },
{ "cylinders", required_argument, NULL, 'C' },
{ "heads", required_argument, NULL, 'H' },
@ -2556,8 +2556,12 @@ main(int argc, char **argv) {
case 'u':
set_format(*optarg); break;
case 'v':
version();
exit(0);
printf(_("%s from %s\n"), program_invocation_short_name,
PACKAGE_STRING);
return EXIT_SUCCESS;
case 'h':
usage(stdout);
return EXIT_SUCCESS;
case 'x':
show_extended = 1; break;
case 'A':
@ -2591,9 +2595,8 @@ main(int argc, char **argv) {
unhide = 1; break;
case 'V':
verify = 1; break;
case '?':
default:
usage(); break;
usage(stderr); break;
/* undocumented flags */
case 128:
@ -2659,7 +2662,7 @@ main(int argc, char **argv) {
else if (unhide)
unhide_usage(fdisk ? "sfdisk -U" : progn);
else
usage();
usage(stderr);
}
if (opt_list || opt_out_geom || opt_out_pt_geom || opt_size || verify) {