From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sat, 2 May 2026 14:03:15 +0000 (+0900)
Subject: siphash24: introduce siphash24_compress_iovec() helper function
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db28490c9f3c4146f1892509064bb8e43e78e590;p=thirdparty%2Fsystemd.git

siphash24: introduce siphash24_compress_iovec() helper function
---

diff --git a/src/basic/siphash24.c b/src/basic/siphash24.c
index 72d6bbe4f0c..b73ede34c8b 100644
--- a/src/basic/siphash24.c
+++ b/src/basic/siphash24.c
@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 
+#include "iovec-util.h"
 #include "siphash24.h"
 #include "string-util.h"
 #include "unaligned.h"
@@ -156,6 +157,16 @@ void siphash24_compress_string(const char *in, struct siphash *state) {
         siphash24_compress_safe(in, strlen_ptr(in), state);
 }
 
+void siphash24_compress_iovec(const struct iovec *iov, struct siphash *state) {
+        assert(iovec_is_valid(iov));
+        assert(state);
+
+        if (!iovec_is_set(iov))
+                return;
+
+        siphash24_compress(iov->iov_base, iov->iov_len, state);
+}
+
 uint64_t siphash24_finalize(struct siphash *state) {
         uint64_t b;
 
diff --git a/src/basic/siphash24.h b/src/basic/siphash24.h
index d72233beda8..772e2728b69 100644
--- a/src/basic/siphash24.h
+++ b/src/basic/siphash24.h
@@ -36,6 +36,7 @@ static inline void siphash24_compress_safe(const void *in, size_t inlen, struct
 }
 
 void siphash24_compress_string(const char *in, struct siphash *state);
+void siphash24_compress_iovec(const struct iovec *iov, struct siphash *state);
 
 uint64_t siphash24_finalize(struct siphash *state);