Add SR_ERR_ARG #define.

[libsigrok.git] / device.c

diff --git a/device.c b/device.c
index bf87e811e90c6ffb9530214b0fcf381215bde610..aa1ec7828a36e5228094b2ad0c13a2edfe09b093 100644 (file)
--- a/device.c
+++ b/device.c
@@ -146,7 +146,7 @@ void sr_device_probe_clear(struct sr_device *device, int probenum)
        }
 }
 
-void sr_device_probe_add(struct sr_device *device, char *name)
+void sr_device_probe_add(struct sr_device *device, const char *name)
 {
        struct sr_probe *p;
        char probename[16];
@@ -184,7 +184,8 @@ struct sr_probe *sr_device_probe_find(struct sr_device *device, int probenum)
 }
 
 /* TODO: return SIGROK_ERR if probenum not found */
-void sr_device_probe_name(struct sr_device *device, int probenum, char *name)
+void sr_device_probe_name(struct sr_device *device, int probenum,
+                         const char *name)
 {
        struct sr_probe *p;
 
@@ -216,7 +217,8 @@ void sr_device_trigger_clear(struct sr_device *device)
 }
 
 /* TODO: return SIGROK_ERR if probenum not found */
-void sr_device_trigger_set(struct sr_device *device, int probenum, char *trigger)
+void sr_device_trigger_set(struct sr_device *device, int probenum,
+                          const char *trigger)
 {
        struct sr_probe *p;
 
@@ -236,7 +238,7 @@ gboolean sr_device_has_hwcap(struct sr_device *device, int hwcap)
        int *capabilities, i;
 
        if (!device || !device->plugin)
-               return;
+               return FALSE;
 
        if ((capabilities = device->plugin->get_capabilities()))
                for (i = 0; capabilities[i]; i++)