This prevents the compilation warning: ncb.c: In function 'main': ncb.c:32: warning: ignoring return value of ‘write’, declared with attribute warn_unused_result Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
@@ -1,3 +1,4 @@
+#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
@@ -29,7 +30,8 @@ int main (int argc, char *argv[])
len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len);
if (len < 0)
break;
- write (1, buf, len);
+ if (write (1, buf, len) != len)
+ fprintf(stderr, "WARNING: serial characters dropped\n");
}
return 0;