dbus: fix write() compilation error

tvheadend · Aug 11, 2014 · cfe09bc · cfe09bc
1 parent e62642d
commit cfe09bc
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -27,7 +27,7 @@ PROG    := $(BUILDDIR)/tvheadend
 # Common compiler flags
 #
 
-CFLAGS  += -g -O2
+CFLAGS  += -g -O2 -Wunused-result
 CFLAGS  += -Wall -Werror -Wwrite-strings -Wno-deprecated-declarations
 CFLAGS  += -Wmissing-prototypes
 CFLAGS  += -fms-extensions -funsigned-char -fno-strict-aliasing

diff --git a/src/dbus.c b/src/dbus.c
@@ -62,6 +62,7 @@ void
 dbus_emit_signal(const char *obj_name, const char *sig_name, htsmsg_t *msg)
 {
   dbus_sig_t *ds = calloc(1, sizeof(dbus_sig_t));
+  int unused __attribute__((unused));
   size_t l;
 
   if (!dbus_running) {
@@ -77,7 +78,7 @@ dbus_emit_signal(const char *obj_name, const char *sig_name, htsmsg_t *msg)
   pthread_mutex_lock(&dbus_lock);
   TAILQ_INSERT_TAIL(&dbus_signals, ds, link);
   pthread_mutex_unlock(&dbus_lock);
-  (void)write(dbus_pipe.wr, "s", 1); /* do not wait here - no tvh_write() */
+  unused = write(dbus_pipe.wr, "s", 1); /* do not wait here - no tvh_write() */
 }
 
 void