gtphub: cosmetic: rename a file.
gtphub_ext.c's initial purpose was to wrap a specific function. The file
then turned into everything related to DNS, which fits pretty well. Rename
to gtphub_ares.c.
Tweak the header comment to reflect the new file name.
Sponsored-by: On-Waves ehi
diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index 5e115eb..634948d 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -34,7 +34,7 @@
-lgtp $(OSMO_LIBS) $(LIBOSMOABIS_LIBS) $(LIBCARES_LIBS) \
$(LIBCRYPTO_LIBS) -lrt
-osmo_gtphub_SOURCES = gtphub_main.c gtphub.c gtphub_ext.c gtphub_vty.c \
+osmo_gtphub_SOURCES = gtphub_main.c gtphub.c gtphub_ares.c gtphub_vty.c \
sgsn_ares.c gprs_utils.c
osmo_gtphub_LDADD = \
$(top_builddir)/src/libcommon/libcommon.a \
diff --git a/openbsc/src/gprs/gtphub_ext.c b/openbsc/src/gprs/gtphub_ares.c
similarity index 95%
rename from openbsc/src/gprs/gtphub_ext.c
rename to openbsc/src/gprs/gtphub_ares.c
index 5ed15fc..4cacf88 100644
--- a/openbsc/src/gprs/gtphub_ext.c
+++ b/openbsc/src/gprs/gtphub_ares.c
@@ -3,9 +3,11 @@
/* (C) 2015 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
- * gtphub_ext.c -- ext means extern. This file is kept separate so that these
- * functions can be wrapped for gtphub_test.c. When a function and its callers
- * are in the same compilational unit, the wrappability may be optimized away.
+ * gtphub_ares.c.
+ *
+ * This file is kept separate so that these functions can be wrapped for
+ * gtphub_test.c. When a function and its callers are in the same compilational
+ * unit, the wrappability may be optimized away.
*
* Author: Neels Hofmeyr
*