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sd-device: introduce device_add_propertyf()

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This commit is contained in:
Yu Watanabe 2022-03-26 02:00:02 +09:00
parent b586cbdefc
commit 71978a79fd
2 changed files with 22 additions and 0 deletions
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21
src/libsystemd/sd-device/device-private.c
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@ -47,6 +47,27 @@ int device_add_property(sd_device *device, const char *key, const char *value) {
return 0;
}
int device_add_propertyf(sd_device *device, const char *key, const char *format, ...) {
_cleanup_free_ char *value = NULL;
va_list ap;
int r;
assert(device);
assert(key);
if (!format)
return device_add_property(device, key, NULL);
va_start(ap, format);
r = vasprintf(&value, format, ap);
va_end(ap);
if (r < 0)
return -ENOMEM;
return device_add_property(device, key, value);
}
void device_set_devlink_priority(sd_device *device, int priority) {
assert(device);

1
src/libsystemd/sd-device/device-private.h
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@ -36,6 +36,7 @@ int device_ensure_usec_initialized(sd_device *device, sd_device *device_old);
int device_add_devlink(sd_device *device, const char *devlink);
bool device_has_devlink(sd_device *device, const char *devlink);
int device_add_property(sd_device *device, const char *property, const char *value);
int device_add_propertyf(sd_device *device, const char *key, const char *format, ...) _printf_(3, 4);
int device_add_tag(sd_device *device, const char *tag, bool both);
void device_remove_tag(sd_device *device, const char *tag);
void device_cleanup_tags(sd_device *device);