Address compiler warnings

(Compiling with GCC 4.8.4 on LXSS/Ubuntu)

 - unused results
 - incorrect size argument in fgetws

One unused result warning, for dup(), has not been addressed because the
author is not familiar with its use.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index 70846db..21922e7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -166,7 +166,10 @@ int main (int argc, char ** argv) {
     while (f != NULL && fgetws(stdin_buffer, BUFFERSIZE, f) != NULL) {
         send_to_interp(stdin_buffer);
     }
-    freopen("/dev/tty", "rw", stdin);
+    if (!freopen("/dev/tty", "rw", stdin)) {
+        perror(NULL);
+        exit(-1);
+    }
     flags = fcntl(fd, F_GETFL, 0);
     flags &= ~O_NONBLOCK;
     fcntl(fd, F_SETFL, flags);