rename msg.c to nlmsg.c

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

2 files changed, 4 insertions, 1 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 7a41d1e..4fdfa27 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -6,4 +6,4 @@ LIBS=
 lib_LTLIBRARIES = libmnl.la
 
 libmnl_la_LDFLAGS = -Wc,-nostartfiles -version-info $(LIBVERSION)
-libmnl_la_SOURCES = socket.c callback.c msg.c attr.c
+libmnl_la_SOURCES = socket.c callback.c nlmsg.c attr.c
diff --git a/src/msg.c b/src/nlmsg.c
index 13d9abc..ad387e7 100644
--- a/src/msg.c
+++ b/src/nlmsg.c
@@ -131,6 +131,9 @@ void *mnl_nlmsg_get_data_offset(const struct nlmsghdr *nlh, int offset)
  * function can be used to verify that a netlink message is not malformed nor
  * truncated.
  *
+ * This function does not set errno in case of error since it is intended
+ * for iterations. Thus, it returns 1 on success and 0 on error.
+ *
  * The @len parameter may become negative in malformed messages during message
  * iteration, that is why we use a signed integer.
  */