tree-wide: replace IOVEC_INIT with IOVEC_MAKE

We use gnu11 to build, hence we can use structured initializer with
casting, and it is not necessary to use different patterns on
initialization and assignment.

Addresses https://github.com/systemd/systemd/pull/26560#discussion_r1118875447.

1 files changed, 2 insertions, 4 deletions

diff --git a/src/basic/io-util.h b/src/basic/io-util.h
index a5c1f89a8d..3ad8267962 100644
--- a/src/basic/io-util.h
+++ b/src/basic/io-util.h
@@ -75,14 +75,12 @@ static inline bool FILE_SIZE_VALID_OR_INFINITY(uint64_t l) {
 }
 
 #define IOVEC_NULL (struct iovec) {}
-#define IOVEC_INIT(base, len) { .iov_base = (base), .iov_len = (len) }
-#define IOVEC_MAKE(base, len) (struct iovec) IOVEC_INIT(base, len)
-#define IOVEC_INIT_STRING(string)               \
+#define IOVEC_MAKE(base, len) (struct iovec) { .iov_base = (base), .iov_len = (len) }
+#define IOVEC_MAKE_STRING(string)               \
         ({                                      \
                 char *_s = (char*) (string);    \
                 IOVEC_MAKE(_s, strlen(_s));     \
         })
-#define IOVEC_MAKE_STRING(string) IOVEC_INIT_STRING(string)
 
 char* set_iovec_string_field(struct iovec *iovec, size_t *n_iovec, const char *field, const char *value);
 char* set_iovec_string_field_free(struct iovec *iovec, size_t *n_iovec, const char *field, char *value);