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util: rework strappenda(), and rename it strjoina()

Browse Source 
After all it is now much more like strjoin() than strappend(). At the
same time, add support for NULL sentinels, even if they are normally not
necessary.
This commit is contained in:
Lennart Poettering 2015-02-03 02:05:59 +01:00
parent 44de0efc6e
commit 63c372cb9d
75 changed files with 248 additions and 237 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/cgls/cgls.c
View File

@ -203,7 +203,7 @@ int main(int argc, char *argv[]) {
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
m = strappenda("/run/systemd/machines/", arg_machine);
m = strjoina("/run/systemd/machines/", arg_machine);
r = parse_env_file(m, NEWLINE, "SCOPE", &scope, NULL);
if (r < 0) {
log_error_errno(r, "Failed to get machine path: %m");

2
src/core/busname.c
View File

@ -205,7 +205,7 @@ static int busname_verify(BusName *n) {
return -EINVAL;
}
e = strappenda(n->name, ".busname");
e = strjoina(n->name, ".busname");
if (!unit_has_name(UNIT(n), e)) {
log_unit_error(UNIT(n)->id, "%s's Name= setting doesn't match unit name. Refusing.", UNIT(n)->id);
return -EINVAL;

2
src/core/dbus-cgroup.c
View File

@ -574,7 +574,7 @@ int bus_cgroup_set_property(
c->device_policy = p;
u->cgroup_realized_mask &= ~CGROUP_DEVICE;
buf = strappenda("DevicePolicy=", policy);
buf = strjoina("DevicePolicy=", policy);
unit_write_drop_in_private(u, mode, name, buf);
}

6
src/core/execute.c
View File

@ -1582,9 +1582,9 @@ static int exec_child(
if (context->private_tmp && runtime) {
if (runtime->tmp_dir)
tmp = strappenda(runtime->tmp_dir, "/tmp");
tmp = strjoina(runtime->tmp_dir, "/tmp");
if (runtime->var_tmp_dir)
var = strappenda(runtime->var_tmp_dir, "/tmp");
var = strjoina(runtime->var_tmp_dir, "/tmp");
}
r = setup_namespace(
@ -2588,7 +2588,7 @@ void exec_command_dump(ExecCommand *c, FILE *f, const char *prefix) {
assert(f);
prefix = strempty(prefix);
prefix2 = strappenda(prefix, "\t");
prefix2 = strjoina(prefix, "\t");
cmd = exec_command_line(c->argv);
fprintf(f,

8
src/core/machine-id-setup.c
View File

@ -73,7 +73,7 @@ static int generate(char id[34], const char *root) {
if (isempty(root))
dbus_machine_id = "/var/lib/dbus/machine-id";
else
dbus_machine_id = strappenda(root, "/var/lib/dbus/machine-id");
dbus_machine_id = strjoina(root, "/var/lib/dbus/machine-id");
/* First, try reading the D-Bus machine id, unless it is a symlink */
fd = open(dbus_machine_id, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
@ -199,7 +199,7 @@ int machine_id_commit(const char *root) {
else {
char *x;
x = strappenda(root, "/etc/machine-id");
x = strjoina(root, "/etc/machine-id");
etc_machine_id = path_kill_slashes(x);
}
@ -281,10 +281,10 @@ int machine_id_setup(const char *root) {
} else {
char *x;
x = strappenda(root, "/etc/machine-id");
x = strjoina(root, "/etc/machine-id");
etc_machine_id = path_kill_slashes(x);
x = strappenda(root, "/run/machine-id");
x = strjoina(root, "/run/machine-id");
run_machine_id = path_kill_slashes(x);
}

3
src/core/manager.c
View File

@ -2106,8 +2106,7 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
return;
}
msg = strappenda("unit=", p);
msg = strjoina("unit=", p);
if (audit_log_user_comm_message(audit_fd, type, msg, "systemd", NULL, NULL, NULL, success) < 0) {
if (errno == EPERM)
/* We aren't allowed to send audit messages?

2
src/core/mount.c
View File

@ -976,7 +976,7 @@ static void mount_enter_remounting(Mount *m) {
const char *o;
if (m->parameters_fragment.options)
o = strappenda("remount,", m->parameters_fragment.options);
o = strjoina("remount,", m->parameters_fragment.options);
else
o = "remount";

22
src/core/namespace.c
View File

@ -157,24 +157,24 @@ static int mount_dev(BindMount *m) {
if (!mkdtemp(temporary_mount))
return -errno;
dev = strappenda(temporary_mount, "/dev");
dev = strjoina(temporary_mount, "/dev");
(void)mkdir(dev, 0755);
if (mount("tmpfs", dev, "tmpfs", MS_NOSUID|MS_STRICTATIME, "mode=755") < 0) {
r = -errno;
goto fail;
}
devpts = strappenda(temporary_mount, "/dev/pts");
devpts = strjoina(temporary_mount, "/dev/pts");
(void)mkdir(devpts, 0755);
if (mount("/dev/pts", devpts, NULL, MS_BIND, NULL) < 0) {
r = -errno;
goto fail;
}
devptmx = strappenda(temporary_mount, "/dev/ptmx");
devptmx = strjoina(temporary_mount, "/dev/ptmx");
symlink("pts/ptmx", devptmx);
devshm = strappenda(temporary_mount, "/dev/shm");
devshm = strjoina(temporary_mount, "/dev/shm");
(void)mkdir(devshm, 01777);
r = mount("/dev/shm", devshm, NULL, MS_BIND, NULL);
if (r < 0) {
@ -182,15 +182,15 @@ static int mount_dev(BindMount *m) {
goto fail;
}
devmqueue = strappenda(temporary_mount, "/dev/mqueue");
devmqueue = strjoina(temporary_mount, "/dev/mqueue");
(void)mkdir(devmqueue, 0755);
mount("/dev/mqueue", devmqueue, NULL, MS_BIND, NULL);
devhugepages = strappenda(temporary_mount, "/dev/hugepages");
devhugepages = strjoina(temporary_mount, "/dev/hugepages");
(void)mkdir(devhugepages, 0755);
mount("/dev/hugepages", devhugepages, NULL, MS_BIND, NULL);
devlog = strappenda(temporary_mount, "/dev/log");
devlog = strjoina(temporary_mount, "/dev/log");
symlink("/run/systemd/journal/dev-log", devlog);
NULSTR_FOREACH(d, devnodes) {
@ -280,7 +280,7 @@ static int mount_kdbus(BindMount *m) {
if (!mkdtemp(temporary_mount))
return log_error_errno(errno, "Failed create temp dir: %m");
root = strappenda(temporary_mount, "/kdbus");
root = strjoina(temporary_mount, "/kdbus");
(void)mkdir(root, 0755);
if (mount("tmpfs", root, "tmpfs", MS_NOSUID|MS_STRICTATIME, "mode=777") < 0) {
r = -errno;
@ -295,7 +295,7 @@ static int mount_kdbus(BindMount *m) {
goto fail;
}
busnode = strappenda(root, "/bus");
busnode = strjoina(root, "/bus");
if (mknod(busnode, (st.st_mode & ~07777) | 0600, st.st_rdev) < 0) {
log_error_errno(errno, "mknod() for %s failed: %m", busnode);
r = -errno;
@ -566,7 +566,7 @@ static int setup_one_tmp_dir(const char *id, const char *prefix, char **path) {
RUN_WITH_UMASK(0000) {
char *y;
y = strappenda(x, "/tmp");
y = strjoina(x, "/tmp");
if (mkdir(y, 0777 | S_ISVTX) < 0)
return -errno;
@ -594,7 +594,7 @@ int setup_tmp_dirs(const char *id, char **tmp_dir, char **var_tmp_dir) {
if (r < 0) {
char *t;
t = strappenda(a, "/tmp");
t = strjoina(a, "/tmp");
rmdir(t);
rmdir(a);

8
src/core/service.c
View File

@ -562,7 +562,7 @@ static int service_add_extras(Service *s) {
if (r < 0)
return r;
n = strappenda(s->bus_name, ".busname");
n = strjoina(s->bus_name, ".busname");
r = unit_add_dependency_by_name(UNIT(s), UNIT_AFTER, n, NULL, true);
if (r < 0)
return r;
@ -619,7 +619,7 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
assert(s);
prefix = strempty(prefix);
prefix2 = strappenda(prefix, "\t");
prefix2 = strjoina(prefix, "\t");
fprintf(f,
"%sService State: %s\n"
@ -1123,7 +1123,7 @@ static int service_spawn(
}
if (is_control && UNIT(s)->cgroup_path) {
path = strappenda(UNIT(s)->cgroup_path, "/control");
path = strjoina(UNIT(s)->cgroup_path, "/control");
cg_create(SYSTEMD_CGROUP_CONTROLLER, path);
} else
path = UNIT(s)->cgroup_path;
@ -1489,7 +1489,7 @@ static void service_kill_control_processes(Service *s) {
if (!UNIT(s)->cgroup_path)
return;
p = strappenda(UNIT(s)->cgroup_path, "/control");
p = strjoina(UNIT(s)->cgroup_path, "/control");
cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, p, SIGKILL, true, true, true, NULL);
}

4
src/core/socket.c
View File

@ -266,7 +266,7 @@ static int socket_add_device_link(Socket *s) {
if (!s->bind_to_device || streq(s->bind_to_device, "lo"))
return 0;
t = strappenda("/sys/subsystem/net/devices/", s->bind_to_device);
t = strjoina("/sys/subsystem/net/devices/", s->bind_to_device);
return unit_add_node_link(UNIT(s), t, false);
}
@ -473,7 +473,7 @@ static void socket_dump(Unit *u, FILE *f, const char *prefix) {
assert(f);
prefix = strempty(prefix);
prefix2 = strappenda(prefix, "\t");
prefix2 = strjoina(prefix, "\t");
fprintf(f,
"%sSocket State: %s\n"

2
src/core/swap.c
View File

@ -749,7 +749,7 @@ static void swap_enter_activating(Swap *s) {
if (streq(discard, "all"))
discard_arg = "--discard";
else
discard_arg = strappenda("--discard=", discard);
discard_arg = strjoina("--discard=", discard);
r = exec_command_append(s->control_command, discard_arg, NULL);
if (r < 0)

2
src/core/unit.c
View File

@ -868,7 +868,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
assert(u->type >= 0);
prefix = strempty(prefix);
prefix2 = strappenda(prefix, "\t");
prefix2 = strjoina(prefix, "\t");
fprintf(f,
"%s-> Unit %s:\n"

2
src/cryptsetup/cryptsetup-generator.c
View File

@ -183,7 +183,7 @@ static int create_disk(
if (ferror(f))
return log_error_errno(errno, "Failed to write file %s: %m", p);
from = strappenda("../", n);
from = strjoina("../", n);
if (!noauto) {

4
src/cryptsetup/cryptsetup.c
View File

@ -295,7 +295,7 @@ static int get_password(const char *name, usec_t until, bool accept_cached, char
if (!escaped_name)
return log_oom();
id = strappenda("cryptsetup:", escaped_name);
id = strjoina("cryptsetup:", escaped_name);
r = ask_password_auto(text, "drive-harddisk", id, until, accept_cached, passwords);
if (r < 0)
@ -309,7 +309,7 @@ static int get_password(const char *name, usec_t until, bool accept_cached, char
if (asprintf(&text, "Please enter passphrase for disk %s! (verification)", name) < 0)
return log_oom();
id = strappenda("cryptsetup-verification:", escaped_name);
id = strjoina("cryptsetup-verification:", escaped_name);
r = ask_password_auto(text, "drive-harddisk", id, until, false, &passwords2);
if (r < 0)

16
src/dbus1-generator/dbus1-generator.c
View File

@ -164,7 +164,7 @@ static int add_dbus(const char *path, const char *fname, const char *type) {
assert(path);
assert(fname);
p = strappenda(path, "/", fname);
p = strjoina(path, "/", fname);
r = config_parse(NULL, p, NULL,
"D-BUS Service\0",
config_item_table_lookup, table,
@ -250,8 +250,8 @@ fail:
static int link_busnames_target(const char *units) {
const char *f, *t;
f = strappenda(units, "/" SPECIAL_BUSNAMES_TARGET);
t = strappenda(arg_dest, "/" SPECIAL_BASIC_TARGET ".wants/" SPECIAL_BUSNAMES_TARGET);
f = strjoina(units, "/" SPECIAL_BUSNAMES_TARGET);
t = strjoina(arg_dest, "/" SPECIAL_BASIC_TARGET ".wants/" SPECIAL_BUSNAMES_TARGET);
mkdir_parents_label(t, 0755);
if (symlink(f, t) < 0)
@ -263,19 +263,19 @@ static int link_busnames_target(const char *units) {
static int link_compatibility(const char *units) {
const char *f, *t;
f = strappenda(units, "/systemd-bus-proxyd.socket");
t = strappenda(arg_dest, "/" SPECIAL_DBUS_SOCKET);
f = strjoina(units, "/systemd-bus-proxyd.socket");
t = strjoina(arg_dest, "/" SPECIAL_DBUS_SOCKET);
mkdir_parents_label(t, 0755);
if (symlink(f, t) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", t);
f = strappenda(units, "/systemd-bus-proxyd.socket");
t = strappenda(arg_dest, "/" SPECIAL_SOCKETS_TARGET ".wants/systemd-bus-proxyd.socket");
f = strjoina(units, "/systemd-bus-proxyd.socket");
t = strjoina(arg_dest, "/" SPECIAL_SOCKETS_TARGET ".wants/systemd-bus-proxyd.socket");
mkdir_parents_label(t, 0755);
if (symlink(f, t) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", t);
t = strappenda(arg_dest, "/" SPECIAL_DBUS_SERVICE);
t = strjoina(arg_dest, "/" SPECIAL_DBUS_SERVICE);
if (symlink("/dev/null", t) < 0)
return log_error_errno(errno, "Failed to mask %s: %m", t);

6
src/efi-boot-generator/efi-boot-generator.c
View File

@ -84,7 +84,7 @@ int main(int argc, char *argv[]) {
return EXIT_FAILURE;
}
name = strappenda(arg_dest, "/boot.mount");
name = strjoina(arg_dest, "/boot.mount");
f = fopen(name, "wxe");
if (!f) {
log_error_errno(errno, "Failed to create mount unit file %s: %m", name);
@ -124,7 +124,7 @@ int main(int argc, char *argv[]) {
return EXIT_FAILURE;
}
name = strappenda(arg_dest, "/boot.automount");
name = strjoina(arg_dest, "/boot.automount");
fclose(f);
f = fopen(name, "wxe");
if (!f) {
@ -144,7 +144,7 @@ int main(int argc, char *argv[]) {
return EXIT_FAILURE;
}
name = strappenda(arg_dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/boot.automount");
name = strjoina(arg_dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/boot.automount");
mkdir_parents(name, 0755);
if (symlink("../boot.automount", name) < 0) {

12
src/firstboot/firstboot.c
View File

@ -50,7 +50,7 @@ static bool arg_copy_locale = false;
static bool arg_copy_timezone = false;
static bool arg_copy_root_password = false;
#define prefix_roota(p) (arg_root ? (const char*) strappenda(arg_root, p) : (const char*) p)
#define prefix_roota(p) (arg_root ? (const char*) strjoina(arg_root, p) : (const char*) p)
static void clear_string(char *x) {
@ -271,9 +271,9 @@ static int process_locale(void) {
return r;
if (!isempty(arg_locale))
locales[i++] = strappenda("LANG=", arg_locale);
locales[i++] = strjoina("LANG=", arg_locale);
if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale))
locales[i++] = strappenda("LC_MESSAGES=", arg_locale_messages);
locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages);
if (i == 0)
return 0;
@ -351,7 +351,7 @@ static int process_timezone(void) {
if (isempty(arg_timezone))
return 0;
e = strappenda("../usr/share/zoneinfo/", arg_timezone);
e = strjoina("../usr/share/zoneinfo/", arg_timezone);
mkdir_parents(etc_localtime, 0755);
if (symlink(e, etc_localtime) < 0)
@ -460,8 +460,8 @@ static int prompt_root_password(void) {
print_welcome();
putchar('\n');
msg1 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
msg2 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: ");
msg1 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
msg2 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: ");
for (;;) {
_cleanup_free_ char *a = NULL, *b = NULL;

4
src/fstab-generator/fstab-generator.c
View File

@ -404,7 +404,7 @@ static int add_root_mount(void) {
opts = arg_root_rw > 0 ? "rw" : "ro";
else if (arg_root_rw >= 0 ||
!fstab_test_option(arg_root_options, "ro\0" "rw\0"))
opts = strappenda(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
opts = strjoina(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro");
else
opts = arg_root_options;
@ -461,7 +461,7 @@ static int add_usr_mount(void) {
if (!arg_usr_options)
opts = arg_root_rw > 0 ? "rw" : "ro";
else if (!fstab_test_option(arg_usr_options, "ro\0" "rw\0"))
opts = strappenda(arg_usr_options, ",", arg_root_rw > 0 ? "rw" : "ro");
opts = strjoina(arg_usr_options, ",", arg_root_rw > 0 ? "rw" : "ro");
else
opts = arg_usr_options;

8
src/getty-generator/getty-generator.c
View File

@ -41,8 +41,8 @@ static int add_symlink(const char *fservice, const char *tservice) {
assert(fservice);
assert(tservice);
from = strappenda(SYSTEM_DATA_UNIT_PATH "/", fservice);
to = strappenda(arg_dest, "/getty.target.wants/", tservice);
from = strjoina(SYSTEM_DATA_UNIT_PATH "/", fservice);
to = strjoina(arg_dest, "/getty.target.wants/", tservice);
mkdir_parents_label(to, 0755);
@ -97,7 +97,7 @@ static int verify_tty(const char *name) {
* friends. Let's check that and open the device and run
* isatty() on it. */
p = strappenda("/dev/", name);
p = strjoina("/dev/", name);
/* O_NONBLOCK is essential here, to make sure we don't wait
* for DCD */
@ -218,7 +218,7 @@ int main(int argc, char *argv[]) {
NULSTR_FOREACH(j, virtualization_consoles) {
char *p;
p = strappenda("/sys/class/tty/", j);
p = strjoina("/sys/class/tty/", j);
if (access(p, F_OK) < 0)
continue;

2
src/gpt-auto-generator/gpt-auto-generator.c
View File

@ -147,7 +147,7 @@ static int add_cryptsetup(const char *id, const char *what, bool rw, char **devi
if (ferror(f))
return log_error_errno(errno, "Failed to write file %s: %m", p);
from = strappenda("../", n);
from = strjoina("../", n);
to = strjoin(arg_dest, "/", d, ".wants/", n, NULL);
if (!to)

2
src/import/curl-util.c
View File

@ -303,7 +303,7 @@ int curl_glue_make(CURL **ret, const char *url, void *userdata) {
goto fail;
}
useragent = strappenda(program_invocation_short_name, "/" PACKAGE_VERSION);
useragent = strjoina(program_invocation_short_name, "/" PACKAGE_VERSION);
if (curl_easy_setopt(c, CURLOPT_USERAGENT, useragent) != CURLE_OK) {
r = -EIO;
goto fail;

4
src/import/import-common.c
View File

@ -121,7 +121,7 @@ int import_make_local_copy(const char *final, const char *image_root, const char
if (!image_root)
image_root = "/var/lib/machines";
p = strappenda(image_root, "/", local);
p = strjoina(image_root, "/", local);
if (force_local) {
(void) btrfs_subvol_remove(p);
@ -309,7 +309,7 @@ int import_verify(
return -EBADMSG;
}
line = strappenda(main_job->checksum, " *", fn, "\n");
line = strjoina(main_job->checksum, " *", fn, "\n");
p = memmem(checksum_job->payload,
checksum_job->payload_size,

14
src/import/import-dkr.c
View File

@ -399,7 +399,7 @@ static int dkr_import_add_token(DkrImport *i, ImportJob *j) {
assert(j);
if (i->response_token)
t = strappenda("Authorization: Token ", i->response_token);
t = strjoina("Authorization: Token ", i->response_token);
else
t = HEADER_TOKEN " true";
@ -480,7 +480,7 @@ static int dkr_import_job_on_open_disk(ImportJob *j) {
if (base) {
const char *base_path;
base_path = strappenda(i->image_root, "/.dkr-", base);
base_path = strjoina(i->image_root, "/.dkr-", base);
r = btrfs_subvol_snapshot(base_path, i->temp_path, false, true);
} else
r = btrfs_subvol_make(i->temp_path);
@ -549,7 +549,7 @@ static int dkr_import_pull_layer(DkrImport *i) {
i->final_path = path;
path = NULL;
url = strappenda(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", layer, "/layer");
url = strjoina(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", layer, "/layer");
r = import_job_new(&i->layer_job, url, i->glue, i);
if (r < 0)
return log_error_errno(r, "Failed to allocate layer job: %m");
@ -610,7 +610,7 @@ static void dkr_import_job_on_finished(ImportJob *j) {
log_info("Index lookup succeeded, directed to registry %s.", i->response_registries[0]);
dkr_import_report_progress(i, DKR_RESOLVING);
url = strappenda(PROTOCOL_PREFIX, i->response_registries[0], "/v1/repositories/", i->name, "/tags/", i->tag);
url = strjoina(PROTOCOL_PREFIX, i->response_registries[0], "/v1/repositories/", i->name, "/tags/", i->tag);
r = import_job_new(&i->tags_job, url, i->glue, i);
if (r < 0) {
log_error_errno(r, "Failed to allocate tags job: %m");
@ -652,7 +652,7 @@ static void dkr_import_job_on_finished(ImportJob *j) {
log_info("Tag lookup succeeded, resolved to layer %s.", i->id);
dkr_import_report_progress(i, DKR_METADATA);
url = strappenda(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", i->id, "/ancestry");
url = strjoina(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", i->id, "/ancestry");
r = import_job_new(&i->ancestry_job, url, i->glue, i);
if (r < 0) {
log_error_errno(r, "Failed to allocate ancestry job: %m");
@ -668,7 +668,7 @@ static void dkr_import_job_on_finished(ImportJob *j) {
i->ancestry_job->on_finished = dkr_import_job_on_finished;
i->ancestry_job->on_progress = dkr_import_job_on_progress;
url = strappenda(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", i->id, "/json");
url = strjoina(PROTOCOL_PREFIX, i->response_registries[0], "/v1/images/", i->id, "/json");
r = import_job_new(&i->json_job, url, i->glue, i);
if (r < 0) {
log_error_errno(r, "Failed to allocate json job: %m");
@ -873,7 +873,7 @@ int dkr_import_pull(DkrImport *i, const char *name, const char *tag, const char
if (r < 0)
return r;
url = strappenda(i->index_url, "/v1/repositories/", name, "/images");
url = strjoina(i->index_url, "/v1/repositories/", name, "/images");
r = import_job_new(&i->images_job, url, i->glue, i);
if (r < 0)

2
src/import/import-raw.c
View File

@ -270,7 +270,7 @@ static int raw_import_make_local_copy(RawImport *i) {
return log_error_errno(errno, "Failed to seek to beginning of vendor image: %m");
}
p = strappenda(i->image_root, "/", i->local, ".raw");
p = strjoina(i->image_root, "/", i->local, ".raw");
if (i->force_local) {
(void) btrfs_subvol_remove(p);

2
src/journal-remote/journal-remote.c
View File

@ -885,7 +885,7 @@ static int remoteserver_init(RemoteServer *s,
if (arg_url) {
const char *url, *hostname;
url = strappenda(arg_url, "/entries");
url = strjoina(arg_url, "/entries");
if (arg_getter) {
log_info("Spawning getter %s...", url);

2
src/journal-remote/microhttpd-util.c
View File

@ -38,7 +38,7 @@
void microhttpd_logger(void *arg, const char *fmt, va_list ap) {
char *f;
f = strappenda("microhttpd: ", fmt);
f = strjoina("microhttpd: ", fmt);
DISABLE_WARNING_FORMAT_NONLITERAL;
log_internalv(LOG_INFO, 0, NULL, 0, NULL, f, ap);

30
src/journal/coredump.c
View File

@ -634,11 +634,11 @@ int main(int argc, char* argv[]) {
goto finish;
}
core_unit = strappenda("COREDUMP_UNIT=", t);
core_unit = strjoina("COREDUMP_UNIT=", t);
free(t);
} else if (cg_pid_get_user_unit(pid, &t) >= 0) {
core_unit = strappenda("COREDUMP_USER_UNIT=", t);
core_unit = strjoina("COREDUMP_USER_UNIT=", t);
free(t);
}
@ -650,20 +650,20 @@ int main(int argc, char* argv[]) {
log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
log_open();
core_pid = strappenda("COREDUMP_PID=", info[INFO_PID]);
core_pid = strjoina("COREDUMP_PID=", info[INFO_PID]);
IOVEC_SET_STRING(iovec[j++], core_pid);
core_uid = strappenda("COREDUMP_UID=", info[INFO_UID]);
core_uid = strjoina("COREDUMP_UID=", info[INFO_UID]);
IOVEC_SET_STRING(iovec[j++], core_uid);
core_gid = strappenda("COREDUMP_GID=", info[INFO_GID]);
core_gid = strjoina("COREDUMP_GID=", info[INFO_GID]);
IOVEC_SET_STRING(iovec[j++], core_gid);
core_signal = strappenda("COREDUMP_SIGNAL=", info[INFO_SIGNAL]);
core_signal = strjoina("COREDUMP_SIGNAL=", info[INFO_SIGNAL]);
IOVEC_SET_STRING(iovec[j++], core_signal);
if (sd_pid_get_session(pid, &t) >= 0) {
core_session = strappenda("COREDUMP_SESSION=", t);
core_session = strjoina("COREDUMP_SESSION=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_session);
@ -677,31 +677,31 @@ int main(int argc, char* argv[]) {
}
if (sd_pid_get_slice(pid, &t) >= 0) {
core_slice = strappenda("COREDUMP_SLICE=", t);
core_slice = strjoina("COREDUMP_SLICE=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_slice);
}
if (comm) {
core_comm = strappenda("COREDUMP_COMM=", comm);
core_comm = strjoina("COREDUMP_COMM=", comm);
IOVEC_SET_STRING(iovec[j++], core_comm);
}
if (exe) {
core_exe = strappenda("COREDUMP_EXE=", exe);
core_exe = strjoina("COREDUMP_EXE=", exe);
IOVEC_SET_STRING(iovec[j++], core_exe);
}
if (get_process_cmdline(pid, 0, false, &t) >= 0) {
core_cmdline = strappenda("COREDUMP_CMDLINE=", t);
core_cmdline = strjoina("COREDUMP_CMDLINE=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_cmdline);
}
if (cg_pid_get_path_shifted(pid, NULL, &t) >= 0) {
core_cgroup = strappenda("COREDUMP_CGROUP=", t);
core_cgroup = strjoina("COREDUMP_CGROUP=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_cgroup);
@ -752,14 +752,14 @@ int main(int argc, char* argv[]) {
}
if (get_process_cwd(pid, &t) >= 0) {
core_cwd = strappenda("COREDUMP_CWD=", t);
core_cwd = strjoina("COREDUMP_CWD=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_cwd);
}
if (get_process_root(pid, &t) >= 0) {
core_root = strappenda("COREDUMP_ROOT=", t);
core_root = strjoina("COREDUMP_ROOT=", t);
free(t);
IOVEC_SET_STRING(iovec[j++], core_root);
@ -799,7 +799,7 @@ int main(int argc, char* argv[]) {
if (r == 0) {
const char *coredump_filename;
coredump_filename = strappenda("COREDUMP_FILENAME=", filename);
coredump_filename = strjoina("COREDUMP_FILENAME=", filename);
IOVEC_SET_STRING(iovec[j++], coredump_filename);
}

2
src/journal/journalctl.c
View File

@ -1269,7 +1269,7 @@ static int add_syslog_identifier(sd_journal *j) {
STRV_FOREACH(i, arg_syslog_identifier) {
char *u;
u = strappenda("SYSLOG_IDENTIFIER=", *i);
u = strjoina("SYSLOG_IDENTIFIER=", *i);
r = sd_journal_add_match(j, u, 0);
if (r < 0)
return r;

46
src/journal/journald-server.c
View File

@ -378,7 +378,7 @@ static void do_vacuum(
if (!f)
return;
p = strappenda(path, id);
p = strjoina(path, id);
r = journal_directory_vacuum(p, metrics->max_use, s->max_retention_usec, &s->oldest_file_usec, false);
if (r < 0 && r != -ENOENT)
log_error_errno(r, "Failed to vacuum %s: %m", p);
@ -589,28 +589,28 @@ static void dispatch_message_real(
r = get_process_comm(ucred->pid, &t);
if (r >= 0) {
x = strappenda("_COMM=", t);
x = strjoina("_COMM=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_exe(ucred->pid, &t);
if (r >= 0) {
x = strappenda("_EXE=", t);
x = strjoina("_EXE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_cmdline(ucred->pid, 0, false, &t);
if (r >= 0) {
x = strappenda("_CMDLINE=", t);
x = strjoina("_CMDLINE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_capeff(ucred->pid, &t);
if (r >= 0) {
x = strappenda("_CAP_EFFECTIVE=", t);
x = strjoina("_CAP_EFFECTIVE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
@ -633,12 +633,12 @@ static void dispatch_message_real(
if (r >= 0) {
char *session = NULL;
x = strappenda("_SYSTEMD_CGROUP=", c);
x = strjoina("_SYSTEMD_CGROUP=", c);
IOVEC_SET_STRING(iovec[n++], x);
r = cg_path_get_session(c, &t);
if (r >= 0) {
session = strappenda("_SYSTEMD_SESSION=", t);
session = strjoina("_SYSTEMD_SESSION=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], session);
}
@ -651,32 +651,32 @@ static void dispatch_message_real(
}
if (cg_path_get_unit(c, &t) >= 0) {
x = strappenda("_SYSTEMD_UNIT=", t);
x = strjoina("_SYSTEMD_UNIT=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
} else if (unit_id && !session) {
x = strappenda("_SYSTEMD_UNIT=", unit_id);
x = strjoina("_SYSTEMD_UNIT=", unit_id);
IOVEC_SET_STRING(iovec[n++], x);
}
if (cg_path_get_user_unit(c, &t) >= 0) {
x = strappenda("_SYSTEMD_USER_UNIT=", t);
x = strjoina("_SYSTEMD_USER_UNIT=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
} else if (unit_id && session) {
x = strappenda("_SYSTEMD_USER_UNIT=", unit_id);
x = strjoina("_SYSTEMD_USER_UNIT=", unit_id);
IOVEC_SET_STRING(iovec[n++], x);
}
if (cg_path_get_slice(c, &t) >= 0) {
x = strappenda("_SYSTEMD_SLICE=", t);
x = strjoina("_SYSTEMD_SLICE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
free(c);
} else if (unit_id) {
x = strappenda("_SYSTEMD_UNIT=", unit_id);
x = strjoina("_SYSTEMD_UNIT=", unit_id);
IOVEC_SET_STRING(iovec[n++], x);
}
@ -691,7 +691,7 @@ static void dispatch_message_real(
security_context_t con;
if (getpidcon(ucred->pid, &con) >= 0) {
x = strappenda("_SELINUX_CONTEXT=", con);
x = strjoina("_SELINUX_CONTEXT=", con);
freecon(con);
IOVEC_SET_STRING(iovec[n++], x);
@ -717,21 +717,21 @@ static void dispatch_message_real(
r = get_process_comm(object_pid, &t);
if (r >= 0) {
x = strappenda("OBJECT_COMM=", t);
x = strjoina("OBJECT_COMM=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_exe(object_pid, &t);
if (r >= 0) {
x = strappenda("OBJECT_EXE=", t);
x = strjoina("OBJECT_EXE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
r = get_process_cmdline(object_pid, 0, false, &t);
if (r >= 0) {
x = strappenda("OBJECT_CMDLINE=", t);
x = strjoina("OBJECT_CMDLINE=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
@ -752,12 +752,12 @@ static void dispatch_message_real(
r = cg_pid_get_path_shifted(object_pid, s->cgroup_root, &c);
if (r >= 0) {
x = strappenda("OBJECT_SYSTEMD_CGROUP=", c);
x = strjoina("OBJECT_SYSTEMD_CGROUP=", c);
IOVEC_SET_STRING(iovec[n++], x);
r = cg_path_get_session(c, &t);
if (r >= 0) {
x = strappenda("OBJECT_SYSTEMD_SESSION=", t);
x = strjoina("OBJECT_SYSTEMD_SESSION=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
@ -768,13 +768,13 @@ static void dispatch_message_real(
}
if (cg_path_get_unit(c, &t) >= 0) {
x = strappenda("OBJECT_SYSTEMD_UNIT=", t);
x = strjoina("OBJECT_SYSTEMD_UNIT=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
if (cg_path_get_user_unit(c, &t) >= 0) {
x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t);
x = strjoina("OBJECT_SYSTEMD_USER_UNIT=", t);
free(t);
IOVEC_SET_STRING(iovec[n++], x);
}
@ -944,10 +944,10 @@ static int system_journal_open(Server *s, bool flush_requested) {
if (s->storage == STORAGE_PERSISTENT)
(void) mkdir("/var/log/journal/", 0755);
fn = strappenda("/var/log/journal/", ids);
fn = strjoina("/var/log/journal/", ids);
(void) mkdir(fn, 0755);
fn = strappenda(fn, "/system.journal");
fn = strjoina(fn, "/system.journal");
r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);
if (r >= 0)

6
src/journal/journald-syslog.c
View File

@ -356,18 +356,18 @@ void server_process_syslog_message(
}
if (identifier) {
syslog_identifier = strappenda("SYSLOG_IDENTIFIER=", identifier);
syslog_identifier = strjoina("SYSLOG_IDENTIFIER=", identifier);
if (syslog_identifier)
IOVEC_SET_STRING(iovec[n++], syslog_identifier);
}
if (pid) {
syslog_pid = strappenda("SYSLOG_PID=", pid);
syslog_pid = strjoina("SYSLOG_PID=", pid);
if (syslog_pid)
IOVEC_SET_STRING(iovec[n++], syslog_pid);
}
message = strappenda("MESSAGE=", buf);
message = strjoina("MESSAGE=", buf);
if (message)
IOVEC_SET_STRING(iovec[n++], message);

10
src/journal/sd-journal.c
View File

@ -1155,9 +1155,9 @@ static void check_network(sd_journal *j, int fd) {
static bool file_has_type_prefix(const char *prefix, const char *filename) {
const char *full, *tilded, *atted;
full = strappenda(prefix, ".journal");
tilded = strappenda(full, "~");
atted = strappenda(prefix, "@");
full = strjoina(prefix, ".journal");
tilded = strjoina(full, "~");
atted = strjoina(prefix, "@");
return streq(filename, full) ||
streq(filename, tilded) ||
@ -1399,7 +1399,7 @@ static int add_root_directory(sd_journal *j, const char *p) {
return -EINVAL;
if (j->prefix)
p = strappenda(j->prefix, p);
p = strjoina(j->prefix, p);
d = opendir(p);
if (!d)
@ -1643,7 +1643,7 @@ _public_ int sd_journal_open_container(sd_journal **ret, const char *machine, in
assert_return((flags & ~(SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM)) == 0, -EINVAL);
assert_return(machine_name_is_valid(machine), -EINVAL);
p = strappenda("/run/systemd/machines/", machine);
p = strjoina("/run/systemd/machines/", machine);
r = parse_env_file(p, NEWLINE, "ROOT", &root, "CLASS", &class, NULL);
if (r == -ENOENT)
return -EHOSTDOWN;

4
src/libsystemd-terminal/idev-keyboard.c
View File

@ -631,7 +631,7 @@ idev_device *idev_find_keyboard(idev_session *s, const char *name) {
assert_return(s, NULL);
assert_return(name, NULL);
kname = strappenda("keyboard/", name);
kname = strjoina("keyboard/", name);
return hashmap_get(s->device_map, kname);
}
@ -793,7 +793,7 @@ int idev_keyboard_new(idev_device **out, idev_session *s, const char *name) {
if (r < 0)
return r;
kname = strappenda("keyboard/", name);
kname = strjoina("keyboard/", name);
r = idev_device_add(d, kname);
if (r < 0)
return r;

2
src/libsystemd/sd-bus/bus-control.c
View File

@ -1359,7 +1359,7 @@ int bus_add_match_internal_kernel(
#define internal_match(bus, m) \
((bus)->hello_flags & KDBUS_HELLO_MONITOR \
? (isempty(m) ? "eavesdrop='true'" : strappenda((m), ",eavesdrop='true'")) \
? (isempty(m) ? "eavesdrop='true'" : strjoina((m), ",eavesdrop='true'")) \
: (m))
static int bus_add_match_internal_dbus1(

2
src/libsystemd/sd-bus/bus-dump.c
View File

@ -354,7 +354,7 @@ int bus_creds_dump(sd_bus_creds *c, FILE *f, bool terse) {
color = ansi_highlight();
off = ansi_highlight_off();
suffix = strappenda(off, "\n");
suffix = strjoina(off, "\n");
}
if (c->mask & SD_BUS_CREDS_PID)

4
src/libsystemd/sd-bus/busctl.c
View File

@ -256,8 +256,8 @@ static void print_subtree(const char *prefix, const char *path, char **l) {
l++;
}
vertical = strappenda(prefix, draw_special_char(DRAW_TREE_VERTICAL));
space = strappenda(prefix, draw_special_char(DRAW_TREE_SPACE));
vertical = strjoina(prefix, draw_special_char(DRAW_TREE_VERTICAL));
space = strjoina(prefix, draw_special_char(DRAW_TREE_SPACE));
for (;;) {
bool has_more = false;

2
src/libsystemd/sd-bus/sd-bus.c
View File

@ -1286,7 +1286,7 @@ int bus_set_address_system_remote(sd_bus *b, const char *host) {
if (!e)
return -ENOMEM;
c = strappenda(",argv4=--machine=", m);
c = strjoina(",argv4=--machine=", m);
}
}

4
src/libsystemd/sd-login/sd-login.c
View File

@ -791,7 +791,7 @@ _public_ int sd_machine_get_class(const char *machine, char **class) {
assert_return(machine_name_is_valid(machine), -EINVAL);
assert_return(class, -EINVAL);
p = strappenda("/run/systemd/machines/", machine);
p = strjoina("/run/systemd/machines/", machine);
r = parse_env_file(p, NEWLINE, "CLASS", &c, NULL);
if (r < 0)
return r;
@ -814,7 +814,7 @@ _public_ int sd_machine_get_ifindices(const char *machine, int **ifindices) {
assert_return(machine_name_is_valid(machine), -EINVAL);
assert_return(ifindices, -EINVAL);
p = strappenda("/run/systemd/machines/", machine);
p = strjoina("/run/systemd/machines/", machine);
r = parse_env_file(p, NEWLINE, "NETIF", &netif, NULL);
if (r < 0)
return r;

2
src/libudev/libudev-device.c
View File

@ -1936,7 +1936,7 @@ int udev_device_rename(struct udev_device *udev_device, const char *name)
if (!dirname)
return -ENOMEM;
new_syspath = strappenda(dirname, "/", name);
new_syspath = strjoina(dirname, "/", name);
r = udev_device_set_syspath(udev_device, new_syspath);
if (r < 0)

2
src/locale/localed.c
View File

@ -1011,7 +1011,7 @@ static int method_set_vc_keyboard(sd_bus *bus, sd_bus_message *m, void *userdata
static void log_xkb(struct xkb_context *ctx, enum xkb_log_level lvl, const char *format, va_list args) {
const char *fmt;
fmt = strappenda("libxkbcommon: ", format);
fmt = strjoina("libxkbcommon: ", format);
log_internalv(LOG_DEBUG, 0, __FILE__, __LINE__, __func__, fmt, args);
}

2
src/login/logind-button.c
View File

@ -247,7 +247,7 @@ int button_open(Button *b) {
b->fd = -1;
}
p = strappenda("/dev/input/", b->name);
p = strjoina("/dev/input/", b->name);
b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
if (b->fd < 0)

2
src/login/logind-dbus.c
View File

@ -1136,7 +1136,7 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us
if (!cc)
return -ENOMEM;
path = strappenda("/var/lib/systemd/linger/", cc);
path = strjoina("/var/lib/systemd/linger/", cc);
if (b) {
User *u;

2
src/login/logind-user.c
View File

@ -659,7 +659,7 @@ int user_check_linger_file(User *u) {
if (!cc)
return -ENOMEM;
p = strappenda("/var/lib/systemd/linger/", cc);
p = strjoina("/var/lib/systemd/linger/", cc);
return access(p, F_OK) >= 0;
}

6
src/machine/machine.c
View File

@ -211,7 +211,7 @@ int machine_save(Machine *m) {
/* Create a symlink from the unit name to the machine
* name, so that we can quickly find the machine for
* each given unit */
sl = strappenda("/run/systemd/machines/unit:", m->unit);
sl = strjoina("/run/systemd/machines/unit:", m->unit);
symlink(m->name, sl);
}
@ -232,7 +232,7 @@ static void machine_unlink(Machine *m) {
char *sl;
sl = strappenda("/run/systemd/machines/unit:", m->unit);
sl = strjoina("/run/systemd/machines/unit:", m->unit);
unlink(sl);
}
@ -340,7 +340,7 @@ static int machine_start_scope(Machine *m, sd_bus_message *properties, sd_bus_er
if (!scope)
return log_oom();
description = strappenda(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name);
description = strjoina(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name);
r = manager_start_scope(m->manager, scope, m->leader, SPECIAL_MACHINE_SLICE, description, properties, error, &job);
if (r < 0) {

10
src/machine/machinectl.c
View File

@ -1160,7 +1160,7 @@ static int bind_mount(int argc, char *argv[], void *userdata) {
return -EINVAL;
}
p = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/");
p = strjoina("/run/systemd/nspawn/propagate/", argv[1], "/");
if (access(p, F_OK) < 0) {
log_error("Container does not allow propagation of mount points.");
return -ENOTSUP;
@ -1198,7 +1198,7 @@ static int bind_mount(int argc, char *argv[], void *userdata) {
/* Second, we mount the source directory to a directory inside
of our MS_SLAVE playground. */
mount_tmp = strappenda(mount_slave, "/mount");
mount_tmp = strjoina(mount_slave, "/mount");
if (mkdir(mount_tmp, 0700) < 0) {
r = log_error_errno(errno, "Failed to create temporary mount: %m");
goto finish;
@ -1224,7 +1224,7 @@ static int bind_mount(int argc, char *argv[], void *userdata) {
* directory. This way it will appear there read-only
* right-away. */
mount_outside = strappenda("/run/systemd/nspawn/propagate/", argv[1], "/XXXXXX");
mount_outside = strjoina("/run/systemd/nspawn/propagate/", argv[1], "/XXXXXX");
if (!mkdtemp(mount_outside)) {
r = log_error_errno(errno, "Cannot create propagation directory: %m");
goto finish;
@ -1276,7 +1276,7 @@ static int bind_mount(int argc, char *argv[], void *userdata) {
mkdir_p(dest, 0755);
/* Fifth, move the mount to the right place inside */
mount_inside = strappenda("/run/systemd/nspawn/incoming/", basename(mount_outside));
mount_inside = strjoina("/run/systemd/nspawn/incoming/", basename(mount_outside));
if (mount(mount_inside, dest, NULL, MS_MOVE, NULL) < 0) {
log_error_errno(errno, "Failed to mount: %m");
_exit(EXIT_FAILURE);
@ -1376,7 +1376,7 @@ static int login_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
match = strappenda("type='signal',"
match = strjoina("type='signal',"
"sender='org.freedesktop.machine1',"
"path='/org/freedesktop/machine1',",
"interface='org.freedesktop.machine1.Manager',"

4
src/network/networkd-link.c
View File

@ -1243,7 +1243,7 @@ static int link_set_ipv4_forward(Link *link) {
b = link_ipv4_forward_enabled(link);
p = strappenda("/proc/sys/net/ipv4/conf/", link->ifname, "/forwarding");
p = strjoina("/proc/sys/net/ipv4/conf/", link->ifname, "/forwarding");
r = write_string_file_no_create(p, one_zero(b));
if (r < 0)
log_link_warning_errno(link, r, "Cannot configure IPv4 forwarding for interface %s: %m", link->ifname);
@ -1278,7 +1278,7 @@ static int link_set_ipv6_forward(Link *link) {
const char *p = NULL;
int r;
p = strappenda("/proc/sys/net/ipv6/conf/", link->ifname, "/forwarding");
p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/forwarding");
r = write_string_file_no_create(p, one_zero(link_ipv6_forward_enabled(link)));
if (r < 0)
log_link_warning_errno(link, r, "Cannot configure IPv6 forwarding for interface: %m");

26
src/nspawn/nspawn.c
View File

@ -962,7 +962,7 @@ static int mount_cgroup_hierarchy(const char *dest, const char *controller, cons
char *to;
int r;
to = strappenda(dest, "/sys/fs/cgroup/", hierarchy);
to = strjoina(dest, "/sys/fs/cgroup/", hierarchy);
r = path_is_mount_point(to, false);
if (r < 0)
@ -1004,7 +1004,7 @@ static int mount_cgroup(const char *dest) {
if (r < 0)
return log_error_errno(r, "Failed to determine our own cgroup path: %m");
cgroup_root = strappenda(dest, "/sys/fs/cgroup");
cgroup_root = strjoina(dest, "/sys/fs/cgroup");
if (mount("tmpfs", cgroup_root, "tmpfs", MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_STRICTATIME, "mode=755") < 0)
return log_error_errno(errno, "Failed to mount tmpfs to /sys/fs/cgroup: %m");
@ -1057,12 +1057,12 @@ static int mount_cgroup(const char *dest) {
return r;
/* Make our own cgroup a (writable) bind mount */
systemd_own = strappenda(dest, "/sys/fs/cgroup/systemd", own_cgroup_path);
systemd_own = strjoina(dest, "/sys/fs/cgroup/systemd", own_cgroup_path);
if (mount(systemd_own, systemd_own, NULL, MS_BIND, NULL) < 0)
return log_error_errno(errno, "Failed to turn %s into a bind mount: %m", own_cgroup_path);
/* And then remount the systemd cgroup root read-only */
systemd_root = strappenda(dest, "/sys/fs/cgroup/systemd");
systemd_root = strjoina(dest, "/sys/fs/cgroup/systemd");
if (mount(NULL, systemd_root, NULL, MS_BIND|MS_REMOUNT|MS_NOSUID|MS_NOEXEC|MS_NODEV|MS_RDONLY, NULL) < 0)
return log_error_errno(errno, "Failed to mount cgroup root read-only: %m");
@ -1215,7 +1215,7 @@ static int setup_volatile_state(const char *directory) {
if (r < 0)
return log_error_errno(r, "Failed to remount %s read-only: %m", directory);
p = strappenda(directory, "/var");
p = strjoina(directory, "/var");
r = mkdir(p, 0755);
if (r < 0 && errno != EEXIST)
return log_error_errno(errno, "Failed to create %s: %m", directory);
@ -1251,8 +1251,8 @@ static int setup_volatile(const char *directory) {
tmpfs_mounted = true;
f = strappenda(directory, "/usr");
t = strappenda(template, "/usr");
f = strjoina(directory, "/usr");
t = strjoina(template, "/usr");
r = mkdir(t, 0755);
if (r < 0 && errno != EEXIST) {
@ -1434,7 +1434,7 @@ static int setup_dev_console(const char *dest, const char *console) {
* /dev/console. (Note that the major minor doesn't actually
* matter here, since we mount it over anyway). */
to = strappenda(dest, "/dev/console");
to = strjoina(dest, "/dev/console");
if (mknod(to, (st.st_mode & ~07777) | 0600, st.st_rdev) < 0)
return log_error_errno(errno, "mknod() for /dev/console failed: %m");
@ -2564,10 +2564,10 @@ static int setup_propagate(const char *root) {
(void) mkdir_p("/run/systemd/nspawn/", 0755);
(void) mkdir_p("/run/systemd/nspawn/propagate", 0600);
p = strappenda("/run/systemd/nspawn/propagate/", arg_machine);
p = strjoina("/run/systemd/nspawn/propagate/", arg_machine);
(void) mkdir_p(p, 0600);
q = strappenda(root, "/run/systemd/nspawn/incoming");
q = strjoina(root, "/run/systemd/nspawn/incoming");
mkdir_parents(q, 0755);
mkdir_p(q, 0600);
@ -3050,7 +3050,7 @@ static int mount_device(const char *what, const char *where, const char *directo
rw = false;
if (directory)
p = strappenda(where, directory);
p = strjoina(where, directory);
else
p = where;
@ -3685,7 +3685,7 @@ int main(int argc, char *argv[]) {
} else {
const char *p;
p = strappenda(arg_directory,
p = strjoina(arg_directory,
argc > optind && path_is_absolute(argv[optind]) ? argv[optind] : "/usr/bin/");
if (access(p, F_OK) < 0) {
log_error("Directory %s lacks the binary to execute or doesn't look like a binary tree. Refusing.", arg_directory);
@ -4294,7 +4294,7 @@ finish:
if (arg_machine) {
const char *p;
p = strappenda("/run/systemd/nspawn/propagate/", arg_machine);
p = strjoina("/run/systemd/nspawn/propagate/", arg_machine);
(void) rm_rf(p, false, true, false);
}

2
src/resolve/resolved-bus.c
View File

@ -76,7 +76,7 @@ static int reply_query_state(DnsQuery *q) {
rc = p;
}
n = strappenda(_BUS_ERROR_DNS, rc);
n = strjoina(_BUS_ERROR_DNS, rc);
sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", name, rc);
}

2
src/run/run.c
View File

@ -494,7 +494,7 @@ static int transient_service_set_properties(sd_bus_message *m, char **argv, cons
if (e) {
char *n;
n = strappenda("TERM=", e);
n = strjoina("TERM=", e);
r = sd_bus_message_append(m,
"(sv)",
"Environment", "as", 1, n);

2
src/shared/cgroup-show.c
View File

@ -93,7 +93,7 @@ static int show_cgroup_one_by_path(const char *path, const char *prefix, unsigne
if (r < 0)
return r;
fn = strappenda(p, "/cgroup.procs");
fn = strjoina(p, "/cgroup.procs");
f = fopen(fn, "re");
if (!f)
return -errno;

2
src/shared/cgroup-util.c
View File

@ -510,7 +510,7 @@ static int check_hierarchy(const char *p) {
return 0;
/* Check if this controller actually really exists */
cc = strappenda("/sys/fs/cgroup/", p);
cc = strjoina("/sys/fs/cgroup/", p);
if (laccess(cc, F_OK) < 0)
return -errno;

2
src/shared/condition.c
View File

@ -288,7 +288,7 @@ static int condition_test_needs_update(Condition *c) {
if (!path_is_absolute(c->parameter))
return true;
p = strappenda(c->parameter, "/.updated");
p = strjoina(c->parameter, "/.updated");
if (lstat(p, &other) < 0)
return true;

2
src/shared/conf-files.c
View File

@ -44,7 +44,7 @@ static int files_add(Hashmap *h, const char *root, const char *path, const char
assert(path);
assert(suffix);
dirpath = strappenda(root ? root : "", path);
dirpath = strjoina(root ? root : "", path);
dir = opendir(dirpath);
if (!dir) {

2
src/shared/generator.c
View File

@ -62,7 +62,7 @@ int generator_write_fsck_deps(
if (streq(where, "/")) {
char *lnk;
lnk = strappenda(dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
lnk = strjoina(dest, "/" SPECIAL_LOCAL_FS_TARGET ".wants/systemd-fsck-root.service");
mkdir_parents(lnk, 0755);
if (symlink(SYSTEM_DATA_UNIT_PATH "/systemd-fsck-root.service", lnk) < 0)

4
src/shared/install.c
View File

@ -1048,7 +1048,7 @@ static int unit_file_load(
assert(path);
if (!isempty(root_dir))
path = strappenda(root_dir, "/", path);
path = strjoina(root_dir, "/", path);
if (!load) {
r = access(path, F_OK) ? -errno : 0;
@ -1730,7 +1730,7 @@ int unit_file_set_default(
if (r < 0)
return r;
path = strappenda(config_path, "/" SPECIAL_DEFAULT_TARGET);
path = strjoina(config_path, "/" SPECIAL_DEFAULT_TARGET);
r = create_symlink(i->path, path, force, changes, n_changes);
if (r < 0)

16
src/shared/logs-show.c
View File

@ -1033,10 +1033,10 @@ int add_matches_for_unit(sd_journal *j, const char *unit) {
assert(j);
assert(unit);
m1 = strappenda("_SYSTEMD_UNIT=", unit);
m2 = strappenda("COREDUMP_UNIT=", unit);
m3 = strappenda("UNIT=", unit);
m4 = strappenda("OBJECT_SYSTEMD_UNIT=", unit);
m1 = strjoina("_SYSTEMD_UNIT=", unit);
m2 = strjoina("COREDUMP_UNIT=", unit);
m3 = strjoina("UNIT=", unit);
m4 = strjoina("OBJECT_SYSTEMD_UNIT=", unit);
(void)(
/* Look for messages from the service itself */
@ -1080,10 +1080,10 @@ int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) {
assert(j);
assert(unit);
m1 = strappenda("_SYSTEMD_USER_UNIT=", unit);
m2 = strappenda("USER_UNIT=", unit);
m3 = strappenda("COREDUMP_USER_UNIT=", unit);
m4 = strappenda("OBJECT_SYSTEMD_USER_UNIT=", unit);
m1 = strjoina("_SYSTEMD_USER_UNIT=", unit);
m2 = strjoina("USER_UNIT=", unit);
m3 = strjoina("COREDUMP_USER_UNIT=", unit);
m4 = strjoina("OBJECT_SYSTEMD_USER_UNIT=", unit);
sprintf(muid, "_UID="UID_FMT, uid);
(void) (

8
src/shared/machine-image.c
View File

@ -425,7 +425,7 @@ int image_rename(Image *i, const char *new_name) {
case IMAGE_RAW: {
const char *fn;
fn = strappenda(new_name, ".raw");
fn = strjoina(new_name, ".raw");
new_path = file_in_same_dir(i->path, fn);
break;
}
@ -486,13 +486,13 @@ int image_clone(Image *i, const char *new_name, bool read_only) {
case IMAGE_SUBVOLUME:
case IMAGE_DIRECTORY:
new_path = strappenda("/var/lib/machines/", new_name);
new_path = strjoina("/var/lib/machines/", new_name);
r = btrfs_subvol_snapshot(i->path, new_path, read_only, true);
break;
case IMAGE_RAW:
new_path = strappenda("/var/lib/machines/", new_name, ".raw");
new_path = strjoina("/var/lib/machines/", new_name, ".raw");
r = copy_file_atomic(i->path, new_path, read_only ? 0444 : 0644, false, FS_NOCOW_FL);
break;
@ -629,7 +629,7 @@ int image_name_lock(const char *name, int operation, LockFile *ret) {
return -EBUSY;
mkdir_p("/run/systemd/nspawn/locks", 0600);
p = strappenda("/run/systemd/nspawn/locks/name-", name);
p = strjoina("/run/systemd/nspawn/locks/name-", name);
return make_lock_file(p, operation, ret);
}

2
src/shared/pager.c
View File

@ -91,7 +91,7 @@ int pager_open(bool jump_to_end) {
if (!less_opts)
less_opts = "FRSXMK";
if (jump_to_end)
less_opts = strappenda(less_opts, " +G");
less_opts = strjoina(less_opts, " +G");
setenv("LESS", less_opts, 1);
/* Make sure the pager goes away when the parent dies */

6
src/shared/path-util.c
View File

@ -560,14 +560,14 @@ int path_is_os_tree(const char *path) {
int r;
/* We use /usr/lib/os-release as flag file if something is an OS */
p = strappenda(path, "/usr/lib/os-release");
p = strjoina(path, "/usr/lib/os-release");
r = access(p, F_OK);
if (r >= 0)
return 1;
/* Also check for the old location in /etc, just in case. */
p = strappenda(path, "/etc/os-release");
p = strjoina(path, "/etc/os-release");
r = access(p, F_OK);
return r >= 0;
@ -665,7 +665,7 @@ int fsck_exists(const char *fstype) {
const char *checker;
int r;
checker = strappenda("fsck.", fstype);
checker = strjoina("fsck.", fstype);
r = find_binary(checker, true, &p);
if (r < 0)

2
src/shared/switch-root.c
View File

@ -51,7 +51,7 @@ int switch_root(const char *new_root, const char *oldroot, bool detach_oldroot,
if (path_equal(new_root, "/"))
return 0;
temporary_old_root = strappenda(new_root, oldroot);
temporary_old_root = strjoina(new_root, oldroot);
mkdir_p_label(temporary_old_root, 0755);
old_root_remove = in_initrd();

2
src/shared/time-util.c
View File

@ -965,7 +965,7 @@ bool timezone_is_valid(const char *name) {
if (slash)
return false;
t = strappenda("/usr/share/zoneinfo/", name);
t = strjoina("/usr/share/zoneinfo/", name);
if (stat(t, &st) < 0)
return false;

6
src/shared/util.c
View File

@ -6452,7 +6452,7 @@ int container_get_leader(const char *machine, pid_t *pid) {
assert(machine);
assert(pid);
p = strappenda("/run/systemd/machines/", machine);
p = strjoina("/run/systemd/machines/", machine);
r = parse_env_file(p, NEWLINE, "LEADER", &s, "CLASS", &class, NULL);
if (r == -ENOENT)
return -EHOSTDOWN;
@ -6691,7 +6691,7 @@ int open_tmpfile(const char *path, int flags) {
#endif
/* Fall back to unguessable name + unlinking */
p = strappenda(path, "/systemd-tmp-XXXXXX");
p = strjoina(path, "/systemd-tmp-XXXXXX");
fd = mkostemp_safe(p, flags);
if (fd < 0)
@ -7220,7 +7220,7 @@ int take_password_lock(const char *root) {
* awfully racy, and thus we just won't do them. */
if (root)
path = strappenda(root, "/etc/.pwd.lock");
path = strjoina(root, "/etc/.pwd.lock");
else
path = "/etc/.pwd.lock";

26
src/shared/util.h
View File

@ -931,19 +931,19 @@ int unlink_noerrno(const char *path);
(void*)memset(_new_, 0, _size_); \
})
#define strappenda(a, ...) \
({ \
int _len = strlen(a); \
unsigned _i; \
char *_d_, *_p_; \
const char *_appendees_[] = { __VA_ARGS__ }; \
for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \
_len += strlen(_appendees_[_i]); \
_d_ = alloca(_len + 1); \
_p_ = stpcpy(_d_, a); \
for (_i = 0; _i < ELEMENTSOF(_appendees_); _i++) \
_p_ = stpcpy(_p_, _appendees_[_i]); \
_d_; \
#define strjoina(a, ...) \
({ \
const char *_appendees_[] = { a, __VA_ARGS__ }; \
char *_d_, *_p_; \
int _len_ = 0; \
unsigned _i_; \
for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \
_len_ += strlen(_appendees_[_i_]); \
_p_ = _d_ = alloca(_len_ + 1); \
for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \
_p_ = stpcpy(_p_, _appendees_[_i_]); \
*_p_ = 0; \
_d_; \
})
#define procfs_file_alloca(pid, field) \

2
src/system-update-generator/system-update-generator.c
View File

@ -45,7 +45,7 @@ static int generate_symlink(void) {
return -EINVAL;
}
p = strappenda(arg_dest, "/default.target");
p = strjoina(arg_dest, "/default.target");
if (symlink(SYSTEM_DATA_UNIT_PATH "/system-update.target", p) < 0)
return log_error_errno(errno, "Failed to create symlink %s: %m", p);

6
src/systemctl/systemctl.c
View File

@ -4978,8 +4978,8 @@ static int switch_root(sd_bus *bus, char **args) {
if (init) {
const char *root_systemd_path = NULL, *root_init_path = NULL;
root_systemd_path = strappenda(root, "/" SYSTEMD_BINARY_PATH);
root_init_path = strappenda(root, "/", init);
root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH);
root_init_path = strjoina(root, "/", init);
/* If the passed init is actually the same as the
* systemd binary, then let's suppress it. */
@ -5783,7 +5783,7 @@ static int unit_file_create_dropin(const char *unit_name, const char *user_home,
assert(ret_new_path);
assert(ret_tmp_path);
ending = strappenda(unit_name, ".d/override.conf");
ending = strjoina(unit_name, ".d/override.conf");
r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path);
if (r < 0)
return r;

4
src/sysusers/sysusers.c
View File

@ -81,7 +81,7 @@ static uid_t search_uid = UID_INVALID;
static UidRange *uid_range = NULL;
static unsigned n_uid_range = 0;
#define fix_root(x) (arg_root ? strappenda(arg_root, x) : x)
#define fix_root(x) (arg_root ? strjoina(arg_root, x) : x)
static int load_user_database(void) {
_cleanup_fclose_ FILE *f = NULL;
@ -217,7 +217,7 @@ static int make_backup(const char *target, const char *x) {
/* Don't fail on chmod() or chown(). If it stays owned by us
* and/or unreadable by others, then it isn't too bad... */
backup = strappenda(x, "-");
backup = strjoina(x, "-");
/* Copy over the access mask */
if (fchmod(fileno(dst), st.st_mode & 07777) < 0)

8
src/test/test-conf-files.c
View File

@ -59,12 +59,12 @@ static void test_conf_files_list(bool use_root) {
search_2 = "/dir2";
} else {
root_dir = NULL;
search_1 = strappenda(tmp_dir, "/dir1");
search_2 = strappenda(tmp_dir, "/dir2");
search_1 = strjoina(tmp_dir, "/dir1");
search_2 = strjoina(tmp_dir, "/dir2");
}
expect_a = strappenda(tmp_dir, "/dir1/a.conf");
expect_b = strappenda(tmp_dir, "/dir2/b.conf");
expect_a = strjoina(tmp_dir, "/dir1/a.conf");
expect_b = strjoina(tmp_dir, "/dir2/b.conf");
assert_se(conf_files_list(&found_files, ".conf", root_dir, search_1, search_2, NULL) == 0);
strv_print(found_files);

12
src/test/test-copy.c
View File

@ -90,15 +90,15 @@ static void test_copy_tree(void) {
rm_rf_dangerous(original_dir, false, true, false);
STRV_FOREACH(p, files) {
char *f = strappenda(original_dir, *p);
char *f = strjoina(original_dir, *p);
assert_se(mkdir_parents(f, 0755) >= 0);
assert_se(write_string_file(f, "file") == 0);
}
STRV_FOREACH_PAIR(link, p, links) {
char *f = strappenda(original_dir, *p);
char *l = strappenda(original_dir, *link);
char *f = strjoina(original_dir, *p);
char *l = strjoina(original_dir, *link);
assert_se(mkdir_parents(l, 0755) >= 0);
assert_se(symlink(f, l) == 0);
@ -109,7 +109,7 @@ static void test_copy_tree(void) {
STRV_FOREACH(p, files) {
_cleanup_free_ char *buf = NULL;
size_t sz = 0;
char *f = strappenda(copy_dir, *p);
char *f = strjoina(copy_dir, *p);
assert_se(access(f, F_OK) == 0);
assert_se(read_full_file(f, &buf, &sz) == 0);
@ -118,8 +118,8 @@ static void test_copy_tree(void) {
STRV_FOREACH_PAIR(link, p, links) {
_cleanup_free_ char *target = NULL;
char *f = strappenda(original_dir, *p);
char *l = strappenda(copy_dir, *link);
char *f = strjoina(original_dir, *p);
char *l = strjoina(copy_dir, *link);
assert_se(readlink_and_canonicalize(l, &target) == 0);
assert_se(path_equal(f, target));

4
src/test/test-namespace.c
View File

@ -42,8 +42,8 @@ static void test_tmpdir(const char *id, const char *A, const char *B) {
assert_se((x.st_mode & 01777) == 0700);
assert_se((y.st_mode & 01777) == 0700);
c = strappenda(a, "/tmp");
d = strappenda(b, "/tmp");
c = strjoina(a, "/tmp");
d = strjoina(b, "/tmp");
assert_se(stat(c, &x) >= 0);
assert_se(stat(d, &y) >= 0);

4
src/test/test-path-lookup.c
View File

@ -33,9 +33,9 @@ static void test_paths(SystemdRunningAs running_as, bool personal) {
char *exists, *not;
assert_se(mkdtemp(template));
exists = strappenda(template, "/exists");
exists = strjoina(template, "/exists");
assert_se(mkdir(exists, 0755) == 0);
not = strappenda(template, "/not");
not = strjoina(template, "/not");
assert_se(lookup_paths_init(&lp, running_as, personal, NULL, exists, not, not) == 0);

4
src/test/test-path.c
View File

@ -47,7 +47,7 @@ static int setup_test(Manager **m) {
assert_se(manager_startup(tmp, NULL, NULL) >= 0);
STRV_FOREACH(test_path, tests_path) {
rm_rf_dangerous(strappenda("/tmp/test-path_", *test_path), false, true, false);
rm_rf_dangerous(strjoina("/tmp/test-path_", *test_path), false, true, false);
}
*m = tmp;
@ -201,7 +201,7 @@ static void test_path_directorynotempty(Manager *m) {
assert_se(access(test_path, F_OK) < 0);
assert_se(mkdir_p(test_path, 0755) >= 0);
assert_se(touch(strappenda(test_path, "test_file")) >= 0);
assert_se(touch(strjoina(test_path, "test_file")) >= 0);
check_stop_unlink(m, unit, test_path, NULL);
}

2
src/test/test-tmpfiles.c
View File

@ -30,7 +30,7 @@
int main(int argc, char** argv) {
const char *p = argv[1] ?: "/tmp";
char *pattern = strappenda(p, "/systemd-test-XXXXXX");
char *pattern = strjoina(p, "/systemd-test-XXXXXX");
_cleanup_close_ int fd, fd2;
_cleanup_free_ char *cmd, *cmd2;

36
src/test/test-util.c
View File

@ -1072,17 +1072,29 @@ static void test_strshorten(void) {
assert_se(strlen(strshorten(s, 0)) == 0);
}
static void test_strappenda(void) {
static void test_strjoina(void) {
char *actual;
actual = strappenda("", "foo", "bar");
actual = strjoina("", "foo", "bar");
assert_se(streq(actual, "foobar"));
actual = strappenda("foo", "bar", "baz");
actual = strjoina("foo", "bar", "baz");
assert_se(streq(actual, "foobarbaz"));
actual = strappenda("foo", "", "bar", "baz");
actual = strjoina("foo", "", "bar", "baz");
assert_se(streq(actual, "foobarbaz"));
actual = strjoina("foo");
assert_se(streq(actual, "foo"));
actual = strjoina(NULL);
assert_se(streq(actual, ""));
actual = strjoina(NULL, "foo");
assert_se(streq(actual, ""));
actual = strjoina("foo", NULL, "bar");
assert_se(streq(actual, "foo"));
}
static void test_is_symlink(void) {
@ -1231,13 +1243,13 @@ static void test_execute_directory(void) {
assert_se(mkdtemp(template_lo));
assert_se(mkdtemp(template_hi));
name = strappenda(template_lo, "/script");
name2 = strappenda(template_hi, "/script2");
name3 = strappenda(template_lo, "/useless");
overridden = strappenda(template_lo, "/overridden");
override = strappenda(template_hi, "/overridden");
masked = strappenda(template_lo, "/masked");
mask = strappenda(template_hi, "/masked");
name = strjoina(template_lo, "/script");
name2 = strjoina(template_hi, "/script2");
name3 = strjoina(template_lo, "/useless");
overridden = strjoina(template_lo, "/overridden");
override = strjoina(template_hi, "/overridden");
masked = strjoina(template_lo, "/masked");
mask = strjoina(template_hi, "/masked");
assert_se(write_string_file(name, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works") == 0);
assert_se(write_string_file(name2, "#!/bin/sh\necho 'Executing '$0\ntouch $(dirname $0)/it_works2") == 0);
@ -1562,7 +1574,7 @@ int main(int argc, char *argv[]) {
test_read_one_char();
test_ignore_signals();
test_strshorten();
test_strappenda();
test_strjoina();
test_is_symlink();
test_pid_is_unwaited();
test_pid_is_alive();

2
src/tty-ask-password-agent/tty-ask-password-agent.c
View File

@ -385,7 +385,7 @@ static bool wall_tty_match(const char *path) {
_cleanup_free_ char *p = NULL;
if (!path_is_absolute(path))
path = strappenda("/dev/", path);
path = strjoina("/dev/", path);
r = lstat(path, &st);
if (r < 0)

2
src/udev/udev-builtin-net_id.c
View File

@ -153,7 +153,7 @@ static bool is_pci_multifunction(struct udev_device *dev) {
const char *filename;
uint8_t config[64];
filename = strappenda(udev_device_get_syspath(dev), "/config");
filename = strjoina(udev_device_get_syspath(dev), "/config");
f = fopen(filename, "re");
if (!f)
return false;

2
src/udev/udevadm-util.c
View File

@ -25,7 +25,7 @@ struct udev_device *find_device(struct udev *udev,
assert(id);
if (prefix && !startswith(id, prefix))
id = strappenda(prefix, id);
id = strjoina(prefix, id);
if (startswith(id, "/dev/")) {
struct stat statbuf;