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tree-wide: update empty-if coccinelle script to cover empty-while and more

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Let's also clean up single-line while and for blocks.
This commit is contained in:
Lennart Poettering 2015-09-09 14:23:02 +02:00
parent 94c156cd45
commit 1f6b411372
20 changed files with 76 additions and 63 deletions
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47
coccinelle/empty-if.cocci
View File

@ -1,19 +1,56 @@
@@
expression e, f;
expression e, f, g, h, i, j;
statement s, t;
@@
(
if (e) {
if (f) s
(
if (h) s
|
if (h) s else t
|
while (h) s
|
for (h; i; j) s
)
}
|
if (e) {
if (f) s
else t
while (e) {
(
if (h) s
|
if (h) s else t
|
while (h) s
|
for (h; i; j) s
)
}
|
for (e; f; g) {
(
if (h) s
|
if (h) s else t
|
while (h) s
|
for (h; i; j) s
)
}
|
- if (e) {
+ if (e)
s
- }
|
- while (e) {
+ while (e)
s
- }
|
- for (e; f; g) {
+ for (e; f; g)
s
- }
)

3
src/boot/efi/graphics.c
View File

@ -67,10 +67,9 @@ EFI_STATUS graphics_mode(BOOLEAN on) {
EFI_STATUS err;
err = LibLocateProtocol(&ConsoleControlProtocolGuid, (VOID **)&ConsoleControl);
if (EFI_ERROR(err)) {
if (EFI_ERROR(err))
/* console control protocol is nonstandard and might not exist. */
return err == EFI_NOT_FOUND ? EFI_SUCCESS : err;
}
/* check current mode */
err = uefi_call_wrapper(ConsoleControl->GetMode, 4, ConsoleControl, &current, &uga_exists, &stdin_locked);

3
src/bootchart/bootchart.c
View File

@ -338,10 +338,9 @@ int main(int argc, char *argv[]) {
* - child logs data
*/
if (getpid() == 1) {
if (fork()) {
if (fork())
/* parent */
execl(arg_init_path, arg_init_path, NULL);
}
}
argv[0][0] = '@';

3
src/core/execute.c
View File

@ -1998,9 +1998,8 @@ void exec_context_done(ExecContext *c) {
strv_free(c->environment_files);
c->environment_files = NULL;
for (l = 0; l < ELEMENTSOF(c->rlimit); l++) {
for (l = 0; l < ELEMENTSOF(c->rlimit); l++)
c->rlimit[l] = mfree(c->rlimit[l]);
}
c->working_directory = mfree(c->working_directory);
c->root_directory = mfree(c->root_directory);

3
src/core/main.c
View File

@ -1841,9 +1841,8 @@ finish:
arg_shutdown_watchdog = m->shutdown_watchdog;
m = manager_free(m);
for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++)
arg_default_rlimit[j] = mfree(arg_default_rlimit[j]);
}
arg_default_unit = mfree(arg_default_unit);

3
src/core/namespace.c
View File

@ -555,10 +555,9 @@ int setup_namespace(
/* Remount / as the desired mode. Not that this will not
* reestablish propagation from our side to the host, since
* what's disconnected is disconnected. */
if (mount(NULL, "/", NULL, mount_flags | MS_REC, NULL) < 0) {
if (mount(NULL, "/", NULL, mount_flags | MS_REC, NULL) < 0)
/* at this point, we cannot rollback */
return -errno;
}
return 0;

7
src/core/service.c
View File

@ -2937,14 +2937,11 @@ static void service_notify_message(Unit *u, pid_t pid, char **tags, FDSet *fds)
}
/* Interpret WATCHDOG= */
if (strv_find(tags, "WATCHDOG=1")) {
if (strv_find(tags, "WATCHDOG=1"))
service_reset_watchdog(s);
}
/* Add the passed fds to the fd store */
if (strv_find(tags, "FDSTORE=1")) {
if (strv_find(tags, "FDSTORE=1"))
service_add_fd_store_set(s, fds);
}
/* Notify clients about changed status or main pid */
if (notify_dbus)

6
src/debug-generator/debug-generator.c
View File

@ -95,11 +95,10 @@ static int generate_mask_symlinks(void) {
if (!p)
return log_oom();
if (symlink("/dev/null", p) < 0) {
if (symlink("/dev/null", p) < 0)
r = log_error_errno(errno,
"Failed to create mask symlink %s: %m",
p);
}
}
return r;
@ -125,11 +124,10 @@ static int generate_wants_symlinks(void) {
mkdir_parents_label(p, 0755);
if (symlink(f, p) < 0) {
if (symlink(f, p) < 0)
r = log_error_errno(errno,
"Failed to create wants symlink %s: %m",
p);
}
}
return r;

3
src/hostname/hostnamed.c
View File

@ -63,9 +63,8 @@ static void context_reset(Context *c) {
assert(c);
for (p = 0; p < _PROP_MAX; p++) {
for (p = 0; p < _PROP_MAX; p++)
c->data[p] = mfree(c->data[p]);
}
}
static void context_free(Context *c) {

3
src/journal-remote/journal-remote.c
View File

@ -614,10 +614,9 @@ static int request_handler(
return code;
} else {
r = getnameinfo_pretty(fd, &hostname);
if (r < 0) {
if (r < 0)
return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR,
"Cannot check remote hostname");
}
}
assert(hostname);

2
src/journal/journald-native.c
View File

@ -184,6 +184,7 @@ void server_process_native_message(
free(identifier);
identifier = t;
}
} else if (l >= 8 &&
startswith(p, "MESSAGE=")) {
char *t;
@ -193,6 +194,7 @@ void server_process_native_message(
free(message);
message = t;
}
} else if (l > strlen("OBJECT_PID=") &&
l < strlen("OBJECT_PID=") + DECIMAL_STR_MAX(pid_t) &&
startswith(p, "OBJECT_PID=") &&

3
src/libsystemd/sd-netlink/netlink-message.c
View File

@ -892,9 +892,8 @@ int sd_netlink_message_rewind(sd_netlink_message *m) {
if (!m->sealed)
rtnl_message_seal(m);
for (i = 1; i <= m->n_containers; i++) {
for (i = 1; i <= m->n_containers; i++)
m->containers[i].attributes = mfree(m->containers[i].attributes);
}
m->n_containers = 0;

6
src/shared/pty.c
View File

@ -311,9 +311,8 @@ static int pty_dispatch_read(Pty *pty) {
continue;
return (errno == EAGAIN) ? 0 : -errno;
} else if (len == 0) {
} else if (len == 0)
continue;
}
/* set terminating zero for debugging safety */
pty->in_buf[len] = 0;
@ -356,9 +355,8 @@ static int pty_dispatch_write(Pty *pty) {
continue;
return (errno == EAGAIN) ? 1 : -errno;
} else if (len == 0) {
} else if (len == 0)
continue;
}
ring_pull(&pty->out_buf, (size_t)len);
}

9
src/test/test-ratelimit.c
View File

@ -27,19 +27,16 @@ static void test_ratelimit_test(void) {
int i;
RATELIMIT_DEFINE(ratelimit, 1 * USEC_PER_SEC, 10);
for (i = 0; i < 10; i++) {
for (i = 0; i < 10; i++)
assert_se(ratelimit_test(&ratelimit));
}
assert_se(!ratelimit_test(&ratelimit));
sleep(1);
for (i = 0; i < 10; i++) {
for (i = 0; i < 10; i++)
assert_se(ratelimit_test(&ratelimit));
}
RATELIMIT_INIT(ratelimit, 0, 10);
for (i = 0; i < 10000; i++) {
for (i = 0; i < 10000; i++)
assert_se(ratelimit_test(&ratelimit));
}
}
int main(int argc, char *argv[]) {

3
src/udev/cdrom_id/cdrom_id.c
View File

@ -565,9 +565,8 @@ static int cd_profiles(struct udev *udev, int fd)
if (len > sizeof(features)) {
log_debug("can not get features in a single query, truncating");
len = sizeof(features);
} else if (len <= 8) {
} else if (len <= 8)
len = sizeof(features);
}
/* Now get the full feature buffer */
scsi_cmd_init(udev, &sc);

13
src/udev/scsi_id/scsi_id.c
View File

@ -279,9 +279,9 @@ static int get_file_options(struct udev *udev,
strcpy(buffer, options_in);
c = argc_count(buffer) + 2;
*newargv = calloc(c, sizeof(**newargv));
if (!*newargv) {
if (!*newargv)
retval = log_oom();
} else {
else {
*argc = c;
c = 0;
/*
@ -537,16 +537,13 @@ static int scsi_id(struct udev *udev, char *maj_min_dev)
if (dev_scsi.wwn_vendor_extension[0] != '\0') {
printf("ID_WWN_VENDOR_EXTENSION=0x%s\n", dev_scsi.wwn_vendor_extension);
printf("ID_WWN_WITH_EXTENSION=0x%s%s\n", dev_scsi.wwn, dev_scsi.wwn_vendor_extension);
} else {
} else
printf("ID_WWN_WITH_EXTENSION=0x%s\n", dev_scsi.wwn);
}
}
if (dev_scsi.tgpt_group[0] != '\0') {
if (dev_scsi.tgpt_group[0] != '\0')
printf("ID_TARGET_PORT=%s\n", dev_scsi.tgpt_group);
}
if (dev_scsi.unit_serial_number[0] != '\0') {
if (dev_scsi.unit_serial_number[0] != '\0')
printf("ID_SCSI_SERIAL=%s\n", dev_scsi.unit_serial_number);
}
goto out;
}

6
src/udev/scsi_id/scsi_serial.c
View File

@ -135,9 +135,8 @@ static int sg_err_category_new(struct udev *udev,
return SG_ERR_CAT_MEDIA_CHANGED;
if (0x29 == asc)
return SG_ERR_CAT_RESET;
} else if (sense_key == ILLEGAL_REQUEST) {
} else if (sense_key == ILLEGAL_REQUEST)
return SG_ERR_CAT_NOTSUPPORTED;
}
}
return SG_ERR_CAT_SENSE;
}
@ -490,9 +489,8 @@ static int check_fill_0x83_id(struct udev *udev,
if ((page_83[1] & 0x30) == 0x10) {
if (id_search->id_type != SCSI_ID_TGTGROUP)
return 1;
} else if ((page_83[1] & 0x30) != 0) {
} else if ((page_83[1] & 0x30) != 0)
return 1;
}
if ((page_83[1] & 0x0f) != id_search->id_type)
return 1;

3
src/udev/udev-builtin-keyboard.c
View File

@ -255,9 +255,8 @@ static int builtin_keyboard(struct udev_device *dev, int argc, char *argv[], boo
}
override_abs(fd, node, evcode, udev_list_entry_get_value(entry));
} else if (streq(key, "POINTINGSTICK_SENSITIVITY")) {
} else if (streq(key, "POINTINGSTICK_SENSITIVITY"))
set_trackpoint_sensitivity(dev, udev_list_entry_get_value(entry));
}
}
/* install list of force-release codes */

8
src/udev/udev-rules.c
View File

@ -1428,9 +1428,9 @@ static int add_rule(struct udev_rules *rules, char *line,
} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
uid = add_uid(rules, value);
rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
} else if (rules->resolve_names >= 0) {
} else if (rules->resolve_names >= 0)
rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
}
rule_tmp.rule.rule.can_set_name = true;
continue;
}
@ -1450,9 +1450,9 @@ static int add_rule(struct udev_rules *rules, char *line,
} else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
gid = add_gid(rules, value);
rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
} else if (rules->resolve_names >= 0) {
} else if (rules->resolve_names >= 0)
rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
}
rule_tmp.rule.rule.can_set_name = true;
continue;
}

5
src/udev/udev-watch.c
View File

@ -83,9 +83,8 @@ unlink:
closedir(dir);
rmdir("/run/udev/watch.old");
} else if (errno != ENOENT) {
} else if (errno != ENOENT)
log_error_errno(errno, "unable to move watches dir /run/udev/watch; old watches will not be restored: %m");
}
}
void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
@ -100,7 +99,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
wd = inotify_add_watch(inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
if (wd < 0) {
log_error_errno(errno, "inotify_add_watch(%d, %s, %o) failed: %m",
inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
return;
}