along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include "util.h"
-#include "prioq.h"
-#include "strv.h"
-#include "set.h"
-
#include "sd-device.h"
-#include "device-util.h"
#include "device-enumerator-private.h"
+#include "device-util.h"
+#include "prioq.h"
+#include "set.h"
+#include "string-util.h"
+#include "strv.h"
+#include "util.h"
#define DEVICE_ENUMERATE_MAX_DEPTH 256
assert_return(enumerator, -EINVAL);
assert_return(_sysattr, -EINVAL);
- assert_return(_value, -EINVAL);
if (match)
hashmap = &enumerator->match_sysattr;
if (!sysattr)
return -ENOMEM;
- value = strdup(_value);
- if (!value)
- return -ENOMEM;
+ if (_value) {
+ value = strdup(_value);
+ if (!value)
+ return -ENOMEM;
+ }
r = hashmap_put(*hashmap, sysattr, value);
if (r < 0)
assert_return(enumerator, -EINVAL);
assert_return(_property, -EINVAL);
- assert_return(_value, -EINVAL);
r = hashmap_ensure_allocated(&enumerator->match_property, NULL);
if (r < 0)
if (!property)
return -ENOMEM;
- value = strdup(_value);
- if (!value)
- return -ENOMEM;
+ if (_value) {
+ value = strdup(_value);
+ if (!value)
+ return -ENOMEM;
+ }
r = hashmap_put(enumerator->match_property, property, value);
if (r < 0)
static int device_compare(const void *_a, const void *_b) {
sd_device *a = (sd_device *)_a, *b = (sd_device *)_b;
const char *devpath_a, *devpath_b, *sound_a;
- bool delay_a = false, delay_b = false;
+ bool delay_a, delay_b;
assert_se(sd_device_get_devpath(a, &devpath_a) >= 0);
assert_se(sd_device_get_devpath(b, &devpath_b) >= 0);
}
/* md and dm devices are enumerated after all other devices */
- if (strstr(devpath_a, "/block/md") || strstr(devpath_a, "/block/dm-"))
- delay_a = true;
-
- if (strstr(devpath_b, "/block/md") || strstr(devpath_b, "/block/dm-"))
- delay_b = true;
-
- if (delay_a && !delay_b)
- return 1;
-
- if (!delay_a && delay_b)
- return -1;
+ delay_a = strstr(devpath_a, "/block/md") || strstr(devpath_a, "/block/dm-");
+ delay_b = strstr(devpath_b, "/block/md") || strstr(devpath_b, "/block/dm-");
+ if (delay_a != delay_b)
+ return delay_a - delay_b;
return strcmp(devpath_a, devpath_b);
}
assert(enumerator);
assert(device);
- HASHMAP_FOREACH_KEY(sysattr, value, enumerator->nomatch_sysattr, i)
+ HASHMAP_FOREACH_KEY(value, sysattr, enumerator->nomatch_sysattr, i)
if (match_sysattr_value(device, sysattr, value))
return false;
- HASHMAP_FOREACH_KEY(sysattr, value, enumerator->match_sysattr, i)
+ HASHMAP_FOREACH_KEY(value, sysattr, enumerator->match_sysattr, i)
if (!match_sysattr_value(device, sysattr, value))
return false;
if (hashmap_isempty(enumerator->match_property))
return true;
- HASHMAP_FOREACH_KEY(property, value, enumerator->match_property, i) {
+ HASHMAP_FOREACH_KEY(value, property, enumerator->match_property, i) {
const char *property_dev, *value_dev;
FOREACH_DEVICE_PROPERTY(device, property_dev, value_dev) {
return r;
r = sd_device_get_subsystem(device, &subsystem);
+ if (r == -ENOENT)
+ return 0;
if (r < 0)
return r;
if (dent->d_type != DT_DIR)
continue;
- k = asprintf(&child, "%s/%s", path, dent->d_name);
- if (k < 0)
- return -errno;
+ child = strjoin(path, "/", dent->d_name, NULL);
+ if (!child)
+ return -ENOMEM;
k = parent_add_child(enumerator, child);
if (k < 0)
if (access("/sys/subsystem", F_OK) >= 0) {
/* we have /subsystem/, forget all the old stuff */
r = enumerator_scan_dir(enumerator, "subsystem", "devices", NULL);
- if (r < 0) {
- log_debug("device-enumerator: failed to scan /sys/subsystem: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_debug_errno(r, "device-enumerator: failed to scan /sys/subsystem: %m");
} else {
int k;