diff options
| -rw-r--r-- | src/sd-id128.h | 7 | ||||
| -rw-r--r-- | src/test-id128.c | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/sd-id128.h b/src/sd-id128.h index bfae78b97d..2ae100242f 100644 --- a/src/sd-id128.h +++ b/src/sd-id128.h @@ -49,6 +49,13 @@ int sd_id128_get_boot(sd_id128_t *ret); ((sd_id128_t) { .bytes = { 0x##v0, 0x##v1, 0x##v2, 0x##v3, 0x##v4, 0x##v5, 0x##v6, 0x##v7, \ 0x##v8, 0x##v9, 0x##v10, 0x##v11, 0x##v12, 0x##v13, 0x##v14, 0x##v15 }}) +/* Note that SD_FORMAT_ID128_VAL will evaluate the passed argument 16 + * times. It is hence not a good idea to call this macro with an + * expensive function as paramater or an expression with side + * effects */ +#define SD_FORMAT_ID128_STR "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" +#define SD_FORMAT_ID128_VAL(x) (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15] + static inline bool sd_id128_equal(sd_id128_t a, sd_id128_t b) { return memcmp(&a, &b, 16) == 0; } diff --git a/src/test-id128.c b/src/test-id128.c index 6c3928d2e9..520a496366 100644 --- a/src/test-id128.c +++ b/src/test-id128.c @@ -45,5 +45,7 @@ int main(int argc, char *argv[]) { printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t)); + printf("waldi2: " SD_FORMAT_ID128_STR "\n", SD_FORMAT_ID128_VAL(ID128_WALDI)); + return 0; } |