X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf%2Fevents.h;h=c08314f8775bbb6d0418b9f7011ccc0c30fb04f1;hp=61e3f6a31a948d060088b66a165c3db2526dedbd;hb=da320b838f4deeaae4314c18c507ca486243b0fe;hpb=0a264ae4393af25798e3704524b7eb1b0bed823d

diff --git a/include/babeltrace/ctf/events.h b/include/babeltrace/ctf/events.h
index 61e3f6a3..c08314f8 100644
--- a/include/babeltrace/ctf/events.h
+++ b/include/babeltrace/ctf/events.h
@@ -160,7 +160,7 @@ const char *bt_ctf_field_name(const struct definition *def);
 /*
  * bt_ctf_field_type: returns the type of a field or -1 if unknown
  */
-enum ctf_type_id bt_ctf_field_type(struct definition *def);
+enum ctf_type_id bt_ctf_field_type(const struct definition *def);
 
 /*
  * Field access functions
@@ -172,10 +172,10 @@ enum ctf_type_id bt_ctf_field_type(struct definition *def);
  * returned is undefined. To check if an error occured, use the
  * bt_ctf_field_error() function after accessing a field.
  */
-uint64_t bt_ctf_get_uint64(struct definition *field);
-int64_t bt_ctf_get_int64(struct definition *field);
-char *bt_ctf_get_char_array(struct definition *field);
-char *bt_ctf_get_string(struct definition *field);
+uint64_t bt_ctf_get_uint64(const struct definition *field);
+int64_t bt_ctf_get_int64(const struct definition *field);
+char *bt_ctf_get_char_array(const struct definition *field);
+char *bt_ctf_get_string(const struct definition *field);
 
 /*
  * bt_ctf_field_error: returns the last error code encountered while