From bf38e4c0c1ecf2e21435e97d1c074a407c46917c Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 21 Nov 2023 13:11:45 +0100
Subject: [PATCH] iovec-util: add new iovec_memcmp() helper

---
 src/basic/iovec-util.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/basic/iovec-util.h b/src/basic/iovec-util.h
index bbd10e2a676..3b843e2594a 100644
--- a/src/basic/iovec-util.h
+++ b/src/basic/iovec-util.h
@@ -58,3 +58,14 @@ char* set_iovec_string_field(struct iovec *iovec, size_t *n_iovec, const char *f
 char* set_iovec_string_field_free(struct iovec *iovec, size_t *n_iovec, const char *field, char *value);
 
 void iovec_array_free(struct iovec *iovec, size_t n_iovec);
+
+static inline int iovec_memcmp(const struct iovec *a, const struct iovec *b) {
+
+        if (a == b)
+                return 0;
+
+        return memcmp_nn(a ? a->iov_base : NULL,
+                         a ? a->iov_len : 0,
+                         b ? b->iov_base : NULL,
+                         b ? b->iov_len : 0);
+}
-- 
2.47.3