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Make the error nicer when you don't have an adapter plugged in.

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This commit is contained in:
Ryan Pavlik
2011-05-02 10:38:50 -05:00
parent c2c335d07b
commit e8853ee660
1 changed files with 6 additions and 1 deletions
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7
src/io_nix.c
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@@ -37,6 +37,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h>
#include <bluetooth/bluetooth.h> #include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h> #include <bluetooth/hci.h>
@@ -75,7 +76,11 @@ int wiiuse_find(struct wiimote_t** wm, int max_wiimotes, int timeout) {
/* get the id of the first bluetooth device. */ /* get the id of the first bluetooth device. */
device_id = hci_get_route(NULL); device_id = hci_get_route(NULL);
if (device_id < 0) { if (device_id < 0) {
perror("hci_get_route"); if (errno == ENODEV) {
WIIUSE_ERROR("Could not detect a Bluetooth adapter!");
} else {
perror("hci_get_route");
}
return 0; return 0;
} }