diff options
Diffstat (limited to 'src/common/util.c')
| -rw-r--r-- | src/common/util.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/util.c b/src/common/util.c index d05c308fe8..139c1aaad8 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -684,6 +684,13 @@ tor_digest_is_zero(const char *digest) return tor_mem_is_zero(digest, DIGEST_LEN); } +/** Return true iff the DIGEST256_LEN bytes in digest are all zero. */ +int +tor_digest256_is_zero(const char *digest) +{ + return tor_mem_is_zero(digest, DIGEST256_LEN); +} + /* Helper: common code to check whether the result of a strtol or strtoul or * strtoll is correct. */ #define CHECK_STRTOX_RESULT() \ |