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authorTom Gundersen <teg@jklm.no>2015-01-26 14:45:12 +0100
committerTom Gundersen <teg@jklm.no>2015-01-26 14:45:12 +0100
commit2df959ec3b5128dfe4d9b996dc13b16a8f4c4233 (patch)
treebc17c582ad342a3f75d34d7e5ff00a1595c4d473 /src/libudev/libudev-monitor.c
parent04ef387ea900ff59f801d7bf745f21e644711643 (diff)
libudev: monitor - move nulstr parsing to libudev-device
Hide the details a bit.
Diffstat (limited to 'src/libudev/libudev-monitor.c')
-rw-r--r--src/libudev/libudev-monitor.c34
1 files changed, 7 insertions, 27 deletions
diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c
index 4cfb2f617c..08ddde8fd7 100644
--- a/src/libudev/libudev-monitor.c
+++ b/src/libudev/libudev-monitor.c
@@ -585,6 +585,7 @@ _public_ struct udev_device *udev_monitor_receive_device(struct udev_monitor *ud
} buf;
ssize_t buflen;
ssize_t bufpos;
+ bool is_initialized = false;
retry:
if (udev_monitor == NULL)
@@ -638,63 +639,42 @@ retry:
return NULL;
}
- udev_device = udev_device_new(udev_monitor->udev);
- if (udev_device == NULL)
- return NULL;
-
if (memcmp(buf.raw, "libudev", 8) == 0) {
/* udev message needs proper version magic */
if (buf.nlh.magic != htonl(UDEV_MONITOR_MAGIC)) {
log_debug("unrecognized message signature (%x != %x)",
buf.nlh.magic, htonl(UDEV_MONITOR_MAGIC));
- udev_device_unref(udev_device);
return NULL;
}
if (buf.nlh.properties_off+32 > (size_t)buflen) {
- udev_device_unref(udev_device);
return NULL;
}
bufpos = buf.nlh.properties_off;
/* devices received from udev are always initialized */
- udev_device_set_is_initialized(udev_device);
+ is_initialized = true;
} else {
/* kernel message with header */
bufpos = strlen(buf.raw) + 1;
if ((size_t)bufpos < sizeof("a@/d") || bufpos >= buflen) {
log_debug("invalid message length");
- udev_device_unref(udev_device);
return NULL;
}
/* check message header */
if (strstr(buf.raw, "@/") == NULL) {
log_debug("unrecognized message header");
- udev_device_unref(udev_device);
return NULL;
}
}
- udev_device_set_info_loaded(udev_device);
-
- while (bufpos < buflen) {
- char *key;
- size_t keylen;
-
- key = &buf.raw[bufpos];
- keylen = strlen(key);
- if (keylen == 0)
- break;
- bufpos += keylen + 1;
- udev_device_add_property_from_string_parse(udev_device, key);
- }
-
- if (udev_device_add_property_from_string_parse_finish(udev_device) < 0) {
- log_debug("missing values, invalid device");
- udev_device_unref(udev_device);
+ udev_device = udev_device_new_from_nulstr(udev_monitor->udev, &buf.raw[bufpos], buflen - bufpos);
+ if (!udev_device)
return NULL;
- }
+
+ if (is_initialized)
+ udev_device_set_is_initialized(udev_device);
/* skip device, if it does not pass the current filter */
if (!passes_filter(udev_monitor, udev_device)) {