sr_scpi_free(): Allow NULL as argument.

[libsigrok.git] / src / drivers.c

diff --git a/src/drivers.c b/src/drivers.c
index a5c21a08097de35395e4d9d98b322867b93c9779..c6165b6360c71778b63b5ffcf7b656a6b06a72a2 100644 (file)
--- a/src/drivers.c
+++ b/src/drivers.c
@@ -18,6 +18,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <glib.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
@@ -26,7 +27,7 @@
  * sr_driver_list is a special section contains pointers to all the hardware
  * drivers built into the library. The __start and __stop symbols are
  * auto-generated by the linker (OSX needs a little help) and point to the start
- * and end of the section.  They are used to iterate over the list of all
+ * and end of the section. They are used to iterate over the list of all
  * drivers.
  */
 #ifdef __APPLE__
@@ -44,13 +45,14 @@ extern struct sr_dev_driver *__stop_sr_driver_list;
  */
 SR_API void sr_drivers_init(struct sr_context *ctx)
 {
-       struct sr_dev_driver **drivers;
        GArray *array;
 
        array = g_array_new(TRUE, FALSE, sizeof(struct sr_dev_driver *));
-       for (drivers = &__start_sr_driver_list; drivers < &__stop_sr_driver_list;
-               drivers++)
+#ifdef HAVE_DRIVERS
+       for (struct sr_dev_driver **drivers = &__start_sr_driver_list;
+            drivers < &__stop_sr_driver_list; drivers++)
                g_array_append_val(array, *drivers);
+#endif
        ctx->driver_list = (struct sr_dev_driver **)array->data;
        g_array_free(array, FALSE);
 }