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| author | Lennart Poettering <lennart@poettering.net> | 2015-02-24 00:10:35 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-02-24 17:27:53 +0100 |
| commit | 15e80c7b75c3a3188bfaaa0baddccf31ae661a7a (patch) | |
| tree | b1ef4c1988abc0a5479e7e3f57be9cc7697c4370 | |
| parent | ce06fdfb3de7a6591041828361f8d10c04a4677e (diff) | |
id128: add new sd_id128_is_null() call
| -rw-r--r-- | src/systemd/sd-id128.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/systemd/sd-id128.h b/src/systemd/sd-id128.h index 48fd87671..9f445278b 100644 --- a/src/systemd/sd-id128.h +++ b/src/systemd/sd-id128.h @@ -106,6 +106,10 @@ _sd_pure_ static inline int sd_id128_equal(sd_id128_t a, sd_id128_t b) { return memcmp(&a, &b, 16) == 0; } +_sd_pure_ static inline int sd_id128_is_null(sd_id128_t a) { + return a.qwords[0] == 0 && a.qwords[1] == 0; +} + #define SD_ID128_NULL ((const sd_id128_t) { .qwords = { 0, 0 }}) _SD_END_DECLARATIONS; |