tree-wide: fix compilation with-Wstrict-prototypes -Wold-style-definition

src/lxc/log.c

@@ -82,7 +82,7 @@ static int lxc_log_priority_to_syslog(int priority)
 	return LOG_NOTICE;
 }
 
-static const char *lxc_log_get_container_name()
+static const char *lxc_log_get_container_name(void)
 {
 #ifndef NO_LXC_CONF
 	if (current_config && !log_vmname)
@@ -814,7 +814,7 @@ inline const char *lxc_log_get_prefix(void)
 	return log_prefix;
 }
 
-inline void lxc_log_options_no_override()
+inline void lxc_log_options_no_override(void)
 {
 	lxc_quiet_specified = 1;
 	lxc_loglevel_specified = 1;

src/lxc/lsm/apparmor.c

@@ -588,7 +588,7 @@ static bool file_is_yes(const char *path)
 	return rd >= 4 && strncmp(buf, "yes\n", 4) == 0;
 }
 
-static bool apparmor_can_stack()
+static bool apparmor_can_stack(void)
 {
 	int major, minor, scanned;
 	FILE *f;

src/lxc/tools/arguments.c

@@ -116,7 +116,7 @@ __noreturn static void print_usage_exit(const struct option longopts[],
 	exit(EXIT_SUCCESS);
 }
 
-__noreturn static void print_version_exit()
+__noreturn static void print_version_exit(void)
 {
 	printf("%s\n", lxc_get_version());
 	exit(EXIT_SUCCESS);

src/lxc/tools/lxc_copy.c

@@ -509,7 +509,7 @@ static int do_clone_task(struct lxc_container *c, enum task task, int flags,
 	return ret;
 }
 
-static void free_mnts()
+static void free_mnts(void)
 {
 	unsigned int i;
 	struct mnts *n = NULL;

src/lxc/utils.c

@@ -238,7 +238,7 @@ int mkdir_p(const char *dir, mode_t mode)
 	return 0;
 }
 
-char *get_rundir()
+char *get_rundir(void)
 {
 	__do_free char *rundir = NULL;
 	char *static_rundir;

src/tests/cgpath.c

@@ -173,7 +173,7 @@ out1:
 	return ret;
 }
 
-int main()
+int main(int argc, char *argv[])
 {
 	int ret = EXIT_FAILURE;
 

src/tests/lxcpath.c

@@ -33,7 +33,7 @@
 	fprintf(stderr, "%d: %s\n", __LINE__, x); \
 } while (0)
 
-int main()
+int main(int argc, char *argv[])
 {
 	struct lxc_container *c;
 	const char *p1, *p2;

src/tests/mount_injection.c

@@ -371,13 +371,13 @@ out:
 	return ret;
 }
 
-static int do_priv_container_test()
+static int do_priv_container_test(void)
 {
 	const char *config_items[] = {"lxc.mount.auto", "shmounts:/tmp/mount_injection_test", NULL};
 	return perform_container_test(NAME"privileged", config_items);
 }
 
-static int do_unpriv_container_test()
+static int do_unpriv_container_test(void)
 {
 	const char *config_items[] = {
 		"lxc.mount.auto", "shmounts:/tmp/mount_injection_test",