htsmsg: Add some const. (#4441).

diff --git a/src/htsmsg.c b/src/htsmsg.c
index e6459e1e44fee1b932e280a7bd98d3b752609cea..a090b52bdb0789bf3a605e1124771d9ee43c333f 100644 (file)
--- a/src/htsmsg.c
+++ b/src/htsmsg.c
@@ -175,7 +175,7 @@ htsmsg_field_add(htsmsg_t *msg, const char *name, int type, int flags, size_t es
  *
  */
 htsmsg_field_t *
-htsmsg_field_find(htsmsg_t *msg, const char *name)
+htsmsg_field_find(const htsmsg_t *msg, const char *name)
 {
   htsmsg_field_t *f;
 
@@ -905,7 +905,7 @@ htsmsg_get_str_multi(htsmsg_t *msg, ...)
  *
  */
 htsmsg_t *
-htsmsg_get_list(htsmsg_t *msg, const char *name)
+htsmsg_get_list(const htsmsg_t *msg, const char *name)
 {
   htsmsg_field_t *f;
 
@@ -1039,7 +1039,7 @@ htsmsg_print(htsmsg_t *msg)
  *
  */
 static void
-htsmsg_copy_i(htsmsg_t *src, htsmsg_t *dst)
+htsmsg_copy_i(const htsmsg_t *src, htsmsg_t *dst)
 {
   htsmsg_field_t *f;
   htsmsg_t *sub;
@@ -1080,7 +1080,7 @@ htsmsg_copy_i(htsmsg_t *src, htsmsg_t *dst)
 }
 
 htsmsg_t *
-htsmsg_copy(htsmsg_t *src)
+htsmsg_copy(const htsmsg_t *src)
 {
   htsmsg_t *dst;
   if (src == NULL) return NULL;
@@ -1093,7 +1093,7 @@ htsmsg_copy(htsmsg_t *src)
  *
  */
 int
-htsmsg_cmp(htsmsg_t *m1, htsmsg_t *m2)
+htsmsg_cmp(const htsmsg_t *m1, const htsmsg_t *m2)
 {
   htsmsg_field_t *f1, *f2;
 

diff --git a/src/htsmsg.h b/src/htsmsg.h
index 47f765cea5c30de13e1bd5338e048382ccc27349..f9b180ac36a361fd338d15c28c8e21ac20c0d3a3 100644 (file)
--- a/src/htsmsg.h
+++ b/src/htsmsg.h
@@ -295,7 +295,7 @@ int htsmsg_get_bin(htsmsg_t *msg, const char *name, const void **binp,
  * @return NULL if the field can not be found or not of list type.
  *         Otherwise a htsmsg is returned.
  */
-htsmsg_t *htsmsg_get_list(htsmsg_t *msg, const char *name);
+htsmsg_t *htsmsg_get_list(const htsmsg_t *msg, const char *name);
 
 htsmsg_t *htsmsg_field_get_list(htsmsg_field_t *f);
 
@@ -401,7 +401,7 @@ htsmsg_field_t *htsmsg_field_add(htsmsg_t *msg, const char *name,
 /**
  * Get a field, return NULL if it does not exist
  */
-htsmsg_field_t *htsmsg_field_find(htsmsg_t *msg, const char *name);
+htsmsg_field_t *htsmsg_field_find(const htsmsg_t *msg, const char *name);
 
 /**
  * Get a last field, return NULL if it does not exist
@@ -412,12 +412,12 @@ htsmsg_field_t *htsmsg_field_last(htsmsg_t *msg);
 /**
  * Clone a message.
  */
-htsmsg_t *htsmsg_copy(htsmsg_t *src);
+htsmsg_t *htsmsg_copy(const htsmsg_t *src);
 
 /**
  * Compare a message.
  */
-int htsmsg_cmp(htsmsg_t *m1, htsmsg_t *m2);
+int htsmsg_cmp(const htsmsg_t *m1, const htsmsg_t *m2);
 
 #define HTSMSG_FOREACH(f, msg) TAILQ_FOREACH(f, &(msg)->hm_fields, hmf_link)