From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 8 Jan 2016 00:11:55 +0000 (+0100)
Subject: shared: make sure foo.bar and foobar result in different domain name hashes
X-Git-Tag: v229.1~1^2~68
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=d0774825d606da65eef44ebdd3d8753907951896

shared: make sure foo.bar and foobar result in different domain name hashes

This also introduces a new macro siphash24_compress_byte() which is useful to add a single byte into the hash stream,
and ports one user over to it.
---

diff --git a/src/basic/siphash24.h b/src/basic/siphash24.h
index 3f7e20362..54e2420cc 100644
--- a/src/basic/siphash24.h
+++ b/src/basic/siphash24.h
@@ -16,6 +16,8 @@ struct siphash {
 
 void siphash24_init(struct siphash *state, const uint8_t k[16]);
 void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
+#define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state))
+
 uint64_t siphash24_finalize(struct siphash *state);
 
 uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[16]);