From 253a83ea44c4a45ff6b362ba17bd58964b183d17 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 23 Feb 2023 11:42:11 +0900
Subject: [PATCH] io-util: introduce iovec_array_free()

It will be used in later commits.
---
 src/basic/io-util.c | 10 ++++++++++
 src/basic/io-util.h |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/src/basic/io-util.c b/src/basic/io-util.c
index f642beca3a9..6f6fb8068c4 100644
--- a/src/basic/io-util.c
+++ b/src/basic/io-util.c
@@ -362,3 +362,13 @@ size_t iovw_size(struct iovec_wrapper *iovw) {
 
         return n;
 }
+
+void iovec_array_free(struct iovec *iov, size_t n) {
+        if (!iov)
+                return;
+
+        for (size_t i = 0; i < n; i++)
+                free(iov[i].iov_base);
+
+        free(iov);
+}
diff --git a/src/basic/io-util.h b/src/basic/io-util.h
index 3afb134266a..e7e78e91215 100644
--- a/src/basic/io-util.h
+++ b/src/basic/io-util.h
@@ -105,3 +105,5 @@ int iovw_put_string_field(struct iovec_wrapper *iovw, const char *field, const c
 int iovw_put_string_field_free(struct iovec_wrapper *iovw, const char *field, char *value);
 void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new);
 size_t iovw_size(struct iovec_wrapper *iovw);
+
+void iovec_array_free(struct iovec *iov, size_t n);