sd-device: use set_strjoin()
This slightly changes TAGS= and CURRENT_TAGS= properties: Before E: TAGS=:aaa:bbb: After E: TAGS=aaa:bbb
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4dbce71787
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6f3ac0d517
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@ -1518,30 +1518,6 @@ _public_ const char *sd_device_get_devlink_next(sd_device *device) {
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return v;
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}
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static char *join_string_set(Set *s) {
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size_t ret_allocated = 0, ret_len;
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_cleanup_free_ char *ret = NULL;
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const char *tag;
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if (!GREEDY_REALLOC(ret, ret_allocated, 2))
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return NULL;
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strcpy(ret, ":");
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ret_len = 1;
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SET_FOREACH(tag, s) {
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char *e;
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if (!GREEDY_REALLOC(ret, ret_allocated, ret_len + strlen(tag) + 2))
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return NULL;
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e = stpcpy(stpcpy(ret + ret_len, tag), ":");
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ret_len = e - ret;
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}
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return TAKE_PTR(ret);
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}
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int device_properties_prepare(sd_device *device) {
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int r;
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@ -1557,46 +1533,39 @@ int device_properties_prepare(sd_device *device) {
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if (device->property_devlinks_outdated) {
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_cleanup_free_ char *devlinks = NULL;
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size_t devlinks_allocated = 0, devlinks_len = 0;
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const char *devlink;
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for (devlink = sd_device_get_devlink_first(device); devlink; devlink = sd_device_get_devlink_next(device)) {
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char *e;
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if (!GREEDY_REALLOC(devlinks, devlinks_allocated, devlinks_len + strlen(devlink) + 2))
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return -ENOMEM;
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if (devlinks_len > 0)
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stpcpy(devlinks + devlinks_len++, " ");
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e = stpcpy(devlinks + devlinks_len, devlink);
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devlinks_len = e - devlinks;
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}
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r = device_add_property_internal(device, "DEVLINKS", devlinks);
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r = set_strjoin(device->devlinks, " ", &devlinks);
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if (r < 0)
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return r;
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if (!isempty(devlinks)) {
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r = device_add_property_internal(device, "DEVLINKS", devlinks);
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if (r < 0)
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return r;
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}
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device->property_devlinks_outdated = false;
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}
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if (device->property_tags_outdated) {
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_cleanup_free_ char *tags = NULL;
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tags = join_string_set(device->all_tags);
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if (!tags)
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return -ENOMEM;
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r = set_strjoin(device->all_tags, ":", &tags);
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if (r < 0)
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return r;
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if (!streq(tags, ":")) {
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if (!isempty(tags)) {
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r = device_add_property_internal(device, "TAGS", tags);
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if (r < 0)
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return r;
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}
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free(tags);
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tags = join_string_set(device->current_tags);
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if (!tags)
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return -ENOMEM;
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tags = mfree(tags);
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r = set_strjoin(device->current_tags, ":", &tags);
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if (r < 0)
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return r;
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if (!streq(tags, ":")) {
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if (!isempty(tags)) {
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r = device_add_property_internal(device, "CURRENT_TAGS", tags);
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if (r < 0)
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return r;
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@ -2,14 +2,26 @@
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set -ex
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set -o pipefail
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function has_tag_internal() {
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udevadm info /dev/null | sed -n '/E: '$1'=/ {s/E: '$1'=/:/; s/$/:/; p}' | grep -q ":$2:"
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}
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function has_tag() {
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has_tag_internal TAGS $1
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}
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function has_current_tag() {
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has_tag_internal CURRENT_TAGS $1
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}
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mkdir -p /run/udev/rules.d/
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! test -f /run/udev/tags/added/c1:3 &&
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! test -f /run/udev/tags/changed/c1:3 &&
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udevadm info /dev/null | grep -q -v 'E: TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q -v 'E: CURRENT_TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q -v 'E: TAGS=.*:changed:.*' &&
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udevadm info /dev/null | grep -q -v 'E: CURRENT_TAGS=.*:changed:.*'
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! has_tag added &&
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! has_current_tag added &&
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! has_tag changed &&
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! has_current_tag changed
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cat > /run/udev/rules.d/50-testsuite.rules <<EOF
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ACTION=="add", SUBSYSTEM=="mem", KERNEL=="null", TAG+="added"
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@ -22,10 +34,10 @@ udevadm trigger -c add /dev/null
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while : ; do
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test -f /run/udev/tags/added/c1:3 &&
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! test -f /run/udev/tags/changed/c1:3 &&
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udevadm info /dev/null | grep -q 'E: TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q 'E: CURRENT_TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q -v 'E: TAGS=.*:changed:.*' &&
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udevadm info /dev/null | grep -q -v 'E: CURRENT_TAGS=.*:changed:.*' &&
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has_tag added &&
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has_current_tag added &&
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! has_tag changed &&
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! has_current_tag changed &&
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break
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sleep .5
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@ -37,10 +49,10 @@ udevadm trigger -c change /dev/null
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while : ; do
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test -f /run/udev/tags/added/c1:3 &&
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test -f /run/udev/tags/changed/c1:3 &&
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udevadm info /dev/null | grep -q 'E: TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q -v 'E: CURRENT_TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q 'E: TAGS=.*:changed:.*' &&
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udevadm info /dev/null | grep -q 'E: CURRENT_TAGS=.*:changed:.*' &&
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has_tag added &&
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! has_current_tag added &&
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has_tag changed &&
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has_current_tag changed &&
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break
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sleep .5
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@ -52,10 +64,10 @@ udevadm trigger -c add /dev/null
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while : ; do
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test -f /run/udev/tags/added/c1:3 &&
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test -f /run/udev/tags/changed/c1:3 &&
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udevadm info /dev/null | grep -q 'E: TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q 'E: CURRENT_TAGS=.*:added:.*' &&
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udevadm info /dev/null | grep -q 'E: TAGS=.*:changed:.*' &&
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udevadm info /dev/null | grep -q -v 'E: CURRENT_TAGS=.*:changed:.*' &&
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has_tag added &&
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has_current_tag added &&
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has_tag changed &&
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! has_current_tag changed &&
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break
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sleep .5
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