Show a good example: Always check the return value of ftdi_init

[libftdi] / examples / bitbang.c

diff --git a/examples/bitbang.c b/examples/bitbang.c
index c2d67b9..4a3a823 100644 (file)
--- a/examples/bitbang.c
+++ b/examples/bitbang.c
@@ -10,7 +10,11 @@ int main(int argc, char **argv)
     int f,i;
     char buf[1];
 
-    ftdi_init(&ftdic);
+    if (ftdi_init(&ftdic) < 0)
+    {
+        fprintf(stderr, "ftdi_init failed\n");
+        return EXIT_FAILURE;
+    }
 
     f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);