util-linux/disk-utils/delpart.c

66 lines
1.4 KiB
C

#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include "c.h"
#include "nls.h"
#include "partx.h"
#include "strutils.h"
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s <disk device> <partition number>\n"),
program_invocation_short_name);
fputs(USAGE_SEPARATOR, out);
fputs(_("Tell the kernel to forget about a specified partition.\n"), out);
fputs(USAGE_OPTIONS, out);
printf(USAGE_HELP_OPTIONS(16));
printf(USAGE_MAN_TAIL("delpart(8)"));
exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
int c, fd;
static const struct option longopts[] = {
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{NULL, 0, NULL, 0},
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
switch (c) {
case 'V':
print_version(EXIT_SUCCESS);
case 'h':
usage();
default:
errtryhelp(EXIT_FAILURE);
}
if (argc != 3) {
warnx(_("not enough arguments"));
errtryhelp(EXIT_FAILURE);
}
if ((fd = open(argv[1], O_RDONLY)) < 0)
err(EXIT_FAILURE, _("cannot open %s"), argv[1]);
if (partx_del_partition(fd,
strtou32_or_err(argv[2], _("invalid partition number argument"))))
err(EXIT_FAILURE, _("failed to remove partition"));
return EXIT_SUCCESS;
}