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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-11-22 05:05:26 +0100 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-12-22 20:45:13 +0100 |
| commit | 6e574ebd00c96b2f51fdb5db9fa629b9deb2c309 (patch) | |
| tree | 22ce0ad14046834e051695b596aa9144c123ffa7 /src/libsystemd | |
| parent | sd-device: modernize device_update_db() and friends (diff) | |
| download | systemd-6e574ebd00c96b2f51fdb5db9fa629b9deb2c309.tar.xz systemd-6e574ebd00c96b2f51fdb5db9fa629b9deb2c309.zip | |
sd-device: introduce device_has_db() helper function
Diffstat (limited to 'src/libsystemd')
| -rw-r--r-- | src/libsystemd/sd-device/device-private.c | 13 | ||||
| -rw-r--r-- | src/libsystemd/sd-device/device-private.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/src/libsystemd/sd-device/device-private.c b/src/libsystemd/sd-device/device-private.c index 90df3f724d..cd85ec9c62 100644 --- a/src/libsystemd/sd-device/device-private.c +++ b/src/libsystemd/sd-device/device-private.c @@ -809,6 +809,19 @@ static int device_get_db_path(sd_device *device, char **ret) { return 0; } +int device_has_db(sd_device *device) { + _cleanup_free_ char *path = NULL; + int r; + + assert(device); + + r = device_get_db_path(device, &path); + if (r < 0) + return r; + + return access(path, F_OK) >= 0; +} + int device_update_db(sd_device *device) { _cleanup_(unlink_and_freep) char *path = NULL, *path_tmp = NULL; _cleanup_fclose_ FILE *f = NULL; diff --git a/src/libsystemd/sd-device/device-private.h b/src/libsystemd/sd-device/device-private.h index a0161e7c12..79a0013dc7 100644 --- a/src/libsystemd/sd-device/device-private.h +++ b/src/libsystemd/sd-device/device-private.h @@ -59,6 +59,7 @@ int device_clone_with_db(sd_device *device, sd_device **ret); int device_tag_index(sd_device *dev, sd_device *dev_old, bool add); bool device_should_have_db(sd_device *device); +int device_has_db(sd_device *device); int device_update_db(sd_device *device); int device_delete_db(sd_device *device); int device_read_db_internal_filename(sd_device *device, const char *filename); /* For fuzzer */ |