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 --- tools/ncb.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/tools/ncb.c b/tools/ncb.c index 30acbea..ec8d8a7 100644 --- a/tools/ncb.c +++ b/tools/ncb.c @@ -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;