[libosmo-sccp PATCH 6/7] m2ua: accept a constant parameter in m2ua_from_msg.

[Diego Elio Pettenò]

This allows to use the function with constant arrays in the tests, the
content is never modified so this is not introducing any unexpected
behaviour.

Signed-off-by: Diego Elio Pettenò <flameeyes at flameeyes.eu>
---
 include/m2ua/m2ua_msg.h |    2 +-
 src/m2ua_msg.c          |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/m2ua/m2ua_msg.h b/include/m2ua/m2ua_msg.h
index e878edd..3a9da06 100644
--- a/include/m2ua/m2ua_msg.h
+++ b/include/m2ua/m2ua_msg.h
@@ -50,7 +50,7 @@ int m2ua_msg_add_data(struct m2ua_msg *msg, uint16_t tag, uint16_t len, uint8_t
 
 struct m2ua_msg_part *m2ua_msg_find_tag(struct m2ua_msg *msg, uint16_t tag);
 
-struct m2ua_msg *m2ua_from_msg(uint16_t len, uint8_t *data);
+struct m2ua_msg *m2ua_from_msg(uint16_t len, const uint8_t *data);
 struct msgb *m2ua_to_msg(struct m2ua_msg *msg);
 
 void m2ua_set_log_area(int log_area);
diff --git a/src/m2ua_msg.c b/src/m2ua_msg.c
index af59376..4ca83a0 100644
--- a/src/m2ua_msg.c
+++ b/src/m2ua_msg.c
@@ -83,7 +83,7 @@ struct m2ua_msg_part *m2ua_msg_find_tag(struct m2ua_msg *m2ua, uint16_t tag)
 	return NULL;
 }
 
-struct m2ua_msg *m2ua_from_msg(uint16_t len, uint8_t *data)
+struct m2ua_msg *m2ua_from_msg(uint16_t len, const uint8_t *data)
 {
 	struct m2ua_parameter_hdr *par;
 	struct m2ua_common_hdr *hdr;
-- 
1.7.8.6