diff options
| -rw-r--r-- | src/libsystemd/sd-device/device-private.h | 1 | ||||
| -rw-r--r-- | src/libsystemd/sd-device/sd-device.c | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/libsystemd/sd-device/device-private.h b/src/libsystemd/sd-device/device-private.h index d53479e8c9..90da7f4317 100644 --- a/src/libsystemd/sd-device/device-private.h +++ b/src/libsystemd/sd-device/device-private.h @@ -18,6 +18,7 @@ int device_new_from_strv(sd_device **ret, char **strv); int device_opendir(sd_device *device, const char *subdir, DIR **ret); int device_get_property_bool(sd_device *device, const char *key); +int device_get_sysattr_int(sd_device *device, const char *sysattr, int *ret_value); int device_get_sysattr_unsigned(sd_device *device, const char *sysattr, unsigned *ret_value); int device_get_sysattr_bool(sd_device *device, const char *sysattr); int device_get_device_id(sd_device *device, const char **ret); diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c index 9364a69dcd..3b8784e30a 100644 --- a/src/libsystemd/sd-device/sd-device.c +++ b/src/libsystemd/sd-device/sd-device.c @@ -2210,6 +2210,25 @@ _public_ int sd_device_get_sysattr_value(sd_device *device, const char *sysattr, return 0; } +int device_get_sysattr_int(sd_device *device, const char *sysattr, int *ret_value) { + const char *value; + int r; + + r = sd_device_get_sysattr_value(device, sysattr, &value); + if (r < 0) + return r; + + int v; + r = safe_atoi(value, &v); + if (r < 0) + return log_device_debug_errno(device, r, "Failed to parse '%s' attribute: %m", sysattr); + + if (ret_value) + *ret_value = v; + /* We return "true" if the value is positive. */ + return v > 0; +} + int device_get_sysattr_unsigned(sd_device *device, const char *sysattr, unsigned *ret_value) { const char *value; int r; |