***/
#include <ctype.h>
-#include <sys/types.h>
#include <net/if.h>
+#include <sys/types.h>
-#include "util.h"
-#include "macro.h"
-#include "path-util.h"
-#include "strxcpyx.h"
+#include "sd-device.h"
+
+#include "device-internal.h"
+#include "device-private.h"
+#include "device-util.h"
+#include "fd-util.h"
#include "fileio.h"
#include "hashmap.h"
+#include "macro.h"
+#include "parse-util.h"
+#include "path-util.h"
#include "set.h"
+#include "string-util.h"
#include "strv.h"
-
-#include "sd-device.h"
-
-#include "device-util.h"
-#include "device-private.h"
-#include "device-internal.h"
+#include "strxcpyx.h"
+#include "util.h"
int device_new_aux(sd_device **ret) {
_cleanup_device_unref_ sd_device *device = NULL;
/* the device does not exist (any more?) */
return -ENODEV;
- log_debug("sd-device: could not canonicalize '%s': %m", _syspath);
- return -errno;
+ return log_debug_errno(errno, "sd-device: could not canonicalize '%s': %m", _syspath);
}
} else if (r < 0) {
- log_debug("sd-device: could not get target of '%s': %s", _syspath, strerror(-r));
+ log_debug_errno(r, "sd-device: could not get target of '%s': %m", _syspath);
return r;
}
} else
return -EINVAL;
} else {
- syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", sysname);
+ char *name;
+ size_t len = 0;
+
+ /* translate sysname back to sysfs filename */
+ name = strdupa(sysname);
+ while (name[len] != '\0') {
+ if (name[len] == '/')
+ name[len] = '!';
+
+ len ++;
+ }
+
+ syspath = strjoina("/sys/subsystem/", subsystem, "/devices/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/bus/", subsystem, "/devices/", sysname);
+ syspath = strjoina("/sys/bus/", subsystem, "/devices/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
- syspath = strjoina("/sys/class/", subsystem, "/", sysname);
+ syspath = strjoina("/sys/class/", subsystem, "/", name);
if (access(syspath, F_OK) >= 0)
return sd_device_new_from_syspath(ret, syspath);
}
/* some devices may not have uevent files, see set_syspath() */
return 0;
else if (r < 0) {
- log_debug("sd-device: failed to read uevent file '%s': %s", path, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to read uevent file '%s': %m", path);
return r;
}
r = handle_uevent_line(device, key, value, &major, &minor);
if (r < 0)
- log_debug("sd-device: failed to handle uevent entry '%s=%s': %s", key, value, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to handle uevent entry '%s=%s': %m", key, value);
state = PRE_KEY;
}
if (major) {
r = device_set_devnum(device, major, minor);
if (r < 0)
- log_debug("sd-device: could not set 'MAJOR=%s' or 'MINOR=%s' from '%s': %s", major, minor, path, strerror(-r));
+ log_debug_errno(r, "sd-device: could not set 'MAJOR=%s' or 'MINOR=%s' from '%s': %m", major, minor, path);
}
return 0;
path_startswith(device->devpath, "/class/") ||
path_startswith(device->devpath, "/bus/"))
r = device_set_subsystem(device, "subsystem");
- if (r < 0)
+ if (r < 0 && r != -ENOENT)
return log_debug_errno(r, "sd-device: could not set subsystem for %s: %m", device->devpath);
device->subsystem_set = true;
}
+ if (!device->subsystem)
+ return -ENOENT;
+
*ret = device->subsystem;
return 0;
if (r >= 0) {
r = device_set_driver(device, driver);
if (r < 0)
- return r;
- }
+ return log_debug_errno(r, "sd-device: could not set driver for %s: %m", device->devpath);
+ } else if (r == -ENOENT)
+ device->driver_set = true;
+ else
+ return log_debug_errno(r, "sd-device: could not set driver for %s: %m", device->devpath);
}
+ if (!device->driver)
+ return -ENOENT;
+
*ret = device->driver;
return 0;
return r;
}
+ assert_return(device->sysname, -ENOENT);
+
*ret = device->sysname;
return 0;
return r;
if (major(devnum) > 0) {
+ assert(subsystem);
+
/* use dev_t -- b259:131072, c254:0 */
r = asprintf(&id, "%c%u:%u",
streq(subsystem, "block") ? 'b' : 'c',
if (!sysname)
return -EINVAL;
+ if (!subsystem)
+ return -EINVAL;
+
r = asprintf(&id, "+%s:%s", subsystem, sysname);
if (r < 0)
return -ENOMEM;
if (r < 0) {
if (r == -ENOENT)
return 0;
- else {
- log_debug("sd-device: failed to read db '%s': %s", path, strerror(-r));
- return r;
- }
+ else
+ return log_debug_errno(r, "sd-device: failed to read db '%s': %m", path);
}
/* devices with a database entry are initialized */
- device->is_initialized = true;;
+ device->is_initialized = true;
for (i = 0; i < db_len; i++) {
switch (state) {
db[i] = '\0';
r = handle_db_line(device, key, value);
if (r < 0)
- log_debug("sd-device: failed to handle db entry '%c:%s': %s", key, value, strerror(-r));
+ log_debug_errno(r, "sd-device: failed to handle db entry '%c:%s': %m", key, value);
state = PRE_KEY;
}
}
_public_ const char *sd_device_get_tag_first(sd_device *device) {
+ void *v;
+
assert_return(device, NULL);
(void) device_read_db(device);
device->tags_iterator_generation = device->tags_generation;
device->tags_iterator = ITERATOR_FIRST;
- return set_iterate(device->tags, &device->tags_iterator);
+ set_iterate(device->tags, &device->tags_iterator, &v);
+ return v;
}
_public_ const char *sd_device_get_tag_next(sd_device *device) {
+ void *v;
+
assert_return(device, NULL);
(void) device_read_db(device);
if (device->tags_iterator_generation != device->tags_generation)
return NULL;
- return set_iterate(device->tags, &device->tags_iterator);
+ set_iterate(device->tags, &device->tags_iterator, &v);
+ return v;
}
_public_ const char *sd_device_get_devlink_first(sd_device *device) {
+ void *v;
+
assert_return(device, NULL);
(void) device_read_db(device);
device->devlinks_iterator_generation = device->devlinks_generation;
device->devlinks_iterator = ITERATOR_FIRST;
- return set_iterate(device->devlinks, &device->devlinks_iterator);
+ set_iterate(device->devlinks, &device->devlinks_iterator, &v);
+ return v;
}
_public_ const char *sd_device_get_devlink_next(sd_device *device) {
+ void *v;
+
assert_return(device, NULL);
(void) device_read_db(device);
if (device->devlinks_iterator_generation != device->devlinks_generation)
return NULL;
- return set_iterate(device->devlinks, &device->devlinks_iterator);
+ set_iterate(device->devlinks, &device->devlinks_iterator, &v);
+ return v;
}
static int device_properties_prepare(sd_device *device) {
device->properties_iterator_generation = device->properties_generation;
device->properties_iterator = ITERATOR_FIRST;
- value = ordered_hashmap_iterate(device->properties, &device->properties_iterator, (const void**)&key);
+ ordered_hashmap_iterate(device->properties, &device->properties_iterator, (void**)&value, (const void**)&key);
if (_value)
*_value = value;
if (device->properties_iterator_generation != device->properties_generation)
return NULL;
- value = ordered_hashmap_iterate(device->properties, &device->properties_iterator, (const void**)&key);
+ ordered_hashmap_iterate(device->properties, &device->properties_iterator, (void**)&value, (const void**)&key);
if (_value)
*_value = value;
}
_public_ const char *sd_device_get_sysattr_first(sd_device *device) {
+ void *v;
int r;
assert_return(device, NULL);
device->sysattrs_iterator = ITERATOR_FIRST;
- return set_iterate(device->sysattrs, &device->sysattrs_iterator);
+ set_iterate(device->sysattrs, &device->sysattrs_iterator, &v);
+ return v;
}
_public_ const char *sd_device_get_sysattr_next(sd_device *device) {
+ void *v;
+
assert_return(device, NULL);
if (!device->sysattrs_read)
return NULL;
- return set_iterate(device->sysattrs, &device->sysattrs_iterator);
+ set_iterate(device->sysattrs, &device->sysattrs_iterator, &v);
+ return v;
}
_public_ int sd_device_has_tag(sd_device *device, const char *tag) {
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