systemd/0290-shared-serialize-make-input-params-const.patch

From fb16bc1ebc0f6d3747e52be6238ced202ce2bbb5 Mon Sep 17 00:00:00 2001
From: Mike Yuan <me@yhndnzj.com>
Date: Mon, 13 Jan 2025 16:35:13 +0100
Subject: [PATCH] shared/serialize: make input params const

(cherry picked from commit 3f03d39ca3b2f25f521342f2b0e49f60c51246e1)

Resolves: RHEL-73780
---
 src/shared/serialize.c | 9 ++++++---
 src/shared/serialize.h | 4 ++--
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/shared/serialize.c b/src/shared/serialize.c
index 735caf4978..58773e5ddd 100644
--- a/src/shared/serialize.c
+++ b/src/shared/serialize.c
@@ -164,11 +164,14 @@ int serialize_dual_timestamp(FILE *f, const char *name, const dual_timestamp *t)
         return serialize_item_format(f, name, USEC_FMT " " USEC_FMT, t->realtime, t->monotonic);
 }
 
-int serialize_strv(FILE *f, const char *key, char **l) {
+int serialize_strv(FILE *f, const char *key, char * const *l) {
         int ret = 0, r;
 
         /* Returns the first error, or positive if anything was serialized, 0 otherwise. */
 
+        assert(f);
+        assert(key);
+
         STRV_FOREACH(i, l) {
                 r = serialize_item_escaped(f, key, *i);
                 if ((ret >= 0 && r < 0) ||
@@ -267,8 +270,7 @@ int serialize_item_base64mem(FILE *f, const char *key, const void *p, size_t l)
         return 1;
 }
 
-int serialize_string_set(FILE *f, const char *key, Set *s) {
-        const char *e;
+int serialize_string_set(FILE *f, const char *key, const Set *s) {
         int r;
 
         assert(f);
@@ -279,6 +281,7 @@ int serialize_string_set(FILE *f, const char *key, Set *s) {
 
         /* Serialize as individual items, as each element might contain separators and escapes */
 
+        const char *e;
         SET_FOREACH(e, s) {
                 r = serialize_item(f, key, e);
                 if (r < 0)
diff --git a/src/shared/serialize.h b/src/shared/serialize.h
index 355eff9b8f..a1350533cf 100644
--- a/src/shared/serialize.h
+++ b/src/shared/serialize.h
@@ -21,10 +21,10 @@ int serialize_fd(FILE *f, FDSet *fds, const char *key, int fd);
 int serialize_fd_many(FILE *f, FDSet *fds, const char *key, const int fd_array[], size_t n_fd_array);
 int serialize_usec(FILE *f, const char *key, usec_t usec);
 int serialize_dual_timestamp(FILE *f, const char *key, const dual_timestamp *t);
-int serialize_strv(FILE *f, const char *key, char **l);
+int serialize_strv(FILE *f, const char *key, char * const *l);
 int serialize_pidref(FILE *f, FDSet *fds, const char *key, PidRef *pidref);
 int serialize_ratelimit(FILE *f, const char *key, const RateLimit *rl);
-int serialize_string_set(FILE *f, const char *key, Set *s);
+int serialize_string_set(FILE *f, const char *key, const Set *s);
 int serialize_image_policy(FILE *f, const char *key, const ImagePolicy *p);
 
 static inline int serialize_bool(FILE *f, const char *key, bool b) {