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[06/18] libdvbv5: implement dvb_fe_dummy for logging

Message ID 1388407731-24369-6-git-send-email-neolynx@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

André Roth Dec. 30, 2013, 12:48 p.m. UTC
The dvbv5 functions use the dvb_v5_fe_parms struct for logging.
This struct is normally obtained by opening a dvb device. For
situations where the opening of a dvb device is not desired,
the dvb_fe_dummy can be used.

Signed-off-by: André Roth <neolynx@gmail.com>
---
 lib/include/descriptors.h  | 6 ++++++
 lib/include/dvb-fe.h       | 2 ++
 lib/libdvbv5/descriptors.c | 2 ++
 lib/libdvbv5/dvb-fe.c      | 7 +++++++
 4 files changed, 17 insertions(+)
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Patch

diff --git a/lib/include/descriptors.h b/lib/include/descriptors.h
index 5ab29a0..6f89aeb 100644
--- a/lib/include/descriptors.h
+++ b/lib/include/descriptors.h
@@ -63,7 +63,13 @@  struct dvb_desc {
 } __attribute__((packed));
 
 void dvb_desc_default_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc);
+#ifdef __cplusplus
+extern "C" {
+#endif
 void dvb_desc_default_print  (struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc);
+#ifdef __cplusplus
+}
+#endif
 
 #define dvb_desc_foreach( _desc, _tbl ) \
 	for( struct dvb_desc *_desc = _tbl->descriptor; _desc; _desc = _desc->next ) \
diff --git a/lib/include/dvb-fe.h b/lib/include/dvb-fe.h
index b0e2bf9..8cf2697 100644
--- a/lib/include/dvb-fe.h
+++ b/lib/include/dvb-fe.h
@@ -119,6 +119,8 @@  struct dvb_v5_fe_parms {
 extern "C" {
 #endif
 
+struct dvb_v5_fe_parms *dvb_fe_dummy();
+
 struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend,
 				    unsigned verbose, unsigned use_legacy_call);
 struct dvb_v5_fe_parms *dvb_fe_open2(int adapter, int frontend,
diff --git a/lib/libdvbv5/descriptors.c b/lib/libdvbv5/descriptors.c
index 437b2f4..bc3d51a 100644
--- a/lib/libdvbv5/descriptors.c
+++ b/lib/libdvbv5/descriptors.c
@@ -69,6 +69,8 @@  void dvb_desc_default_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, st
 
 void dvb_desc_default_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
 {
+	if (!parms)
+		parms = dvb_fe_dummy();
 	dvb_log("|                   %s (%#02x)", dvb_descriptors[desc->type].name, desc->type);
 	hexdump(parms, "|                       ", desc->data, desc->length);
 }
diff --git a/lib/libdvbv5/dvb-fe.c b/lib/libdvbv5/dvb-fe.c
index cc32ec0..4672267 100644
--- a/lib/libdvbv5/dvb-fe.c
+++ b/lib/libdvbv5/dvb-fe.c
@@ -35,6 +35,13 @@  static void dvb_v5_free(struct dvb_v5_fe_parms *parms)
 	free(parms);
 }
 
+struct dvb_v5_fe_parms dummy_fe;
+struct dvb_v5_fe_parms *dvb_fe_dummy()
+{
+	dummy_fe.logfunc = dvb_default_log;
+	return &dummy_fe;
+}
+
 struct dvb_v5_fe_parms *dvb_fe_open(int adapter, int frontend, unsigned verbose,
 				    unsigned use_legacy_call)
 {