selinux/libselinux/utils/setenforce.c
William Roberts e4f2bcce24 libselinux/utils: fix all the noreturn errors
When building with clang, multiple noreturn issues arise,
for instance:

selabel_partial_match.c:11:1: error: function 'usage' could be declared with attribute 'noreturn' [-Werror,-Wmissing-noreturn]

Fix these.

Signed-off-by: William Roberts <william.c.roberts@intel.com>
2016-11-01 17:29:49 -04:00

43 lines
933 B
C

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <strings.h>
#include <selinux/selinux.h>
static __attribute__ ((__noreturn__)) void usage(const char *progname)
{
fprintf(stderr, "usage: %s [ Enforcing | Permissive | 1 | 0 ]\n",
progname);
exit(1);
}
int main(int argc, char **argv)
{
int rc = 0;
if (argc != 2) {
usage(argv[0]);
}
if (is_selinux_enabled() <= 0) {
fprintf(stderr, "%s: SELinux is disabled\n", argv[0]);
return 1;
}
if (strlen(argv[1]) == 1 && (argv[1][0] == '0' || argv[1][0] == '1')) {
rc = security_setenforce(atoi(argv[1]));
} else {
if (strcasecmp(argv[1], "enforcing") == 0) {
rc = security_setenforce(1);
} else if (strcasecmp(argv[1], "permissive") == 0) {
rc = security_setenforce(0);
} else
usage(argv[0]);
}
if (rc < 0) {
fprintf(stderr, "%s: setenforce() failed\n", argv[0]);
return 2;
}
return 0;
}