Correct (signedness) issues detected by -Wall

[libftdi] / examples / baud_test.c

diff --git a/examples/baud_test.c b/examples/baud_test.c
index 32b9beb..b53031b 100644 (file)
--- a/examples/baud_test.c
+++ b/examples/baud_test.c
@@ -52,8 +52,8 @@ int main(int argc, char **argv)
 {
     struct ftdi_context ftdic;
     int i, t;
-    char *txbuf;
-    char *rxbuf;
+    unsigned char *txbuf;
+    unsigned char *rxbuf;
     double start, duration, plan;
 
     // default values