xua_msg: Constify ptr args in multiple APIs

Change-Id: I9f5a564b99cfc62bd3deb98a68d3e36474d3810f
---
M src/xua_msg.c
M src/xua_msg.h
2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/xua_msg.c b/src/xua_msg.c
index d32d824..bc2a4f7 100644
--- a/src/xua_msg.c
+++ b/src/xua_msg.c
@@ -504,7 +504,7 @@
 	}
 }
 
-char *xua_hdr_dump(struct xua_msg *xua, const struct xua_dialect *dialect)
+char *xua_hdr_dump(const struct xua_msg *xua, const struct xua_dialect *dialect)
 {
 	const struct xua_msg_class *xmc = NULL;
 	static char buf[128];
@@ -551,7 +551,7 @@
 	return 1;
 }
 
-char *xua_msg_dump(struct xua_msg *xua, const struct xua_dialect *dialect)
+char *xua_msg_dump(const struct xua_msg *xua, const struct xua_dialect *dialect)
 {
 	static char buf[1024];
 	struct osmo_strbuf sb = { .buf = buf, .len = sizeof(buf) };
diff --git a/src/xua_msg.h b/src/xua_msg.h
index 80d4c79..8311d60 100644
--- a/src/xua_msg.h
+++ b/src/xua_msg.h
@@ -102,8 +102,8 @@
 
 const char *xua_class_msg_name(const struct xua_msg_class *xmc, uint16_t msg_type);
 const char *xua_class_iei_name(const struct xua_msg_class *xmc, uint16_t iei);
-char *xua_hdr_dump(struct xua_msg *xua, const struct xua_dialect *dialect);
-char *xua_msg_dump(struct xua_msg *xua, const struct xua_dialect *dialect);
+char *xua_hdr_dump(const struct xua_msg *xua, const struct xua_dialect *dialect);
+char *xua_msg_dump(const struct xua_msg *xua, const struct xua_dialect *dialect);
 int xua_dialect_check_all_mand_ies(const struct xua_dialect *dialect, struct xua_msg *xua);
 
 int xua_msg_event_map(const struct xua_msg *xua,

