[src/trunk]: src/usr.sbin/wsmoused a little undocumented debugging.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/64402aeaab09
branches:  trunk
changeset: 765579:64402aeaab09
user:      christos <christos%NetBSD.org@localhost>
date:      Tue May 31 03:37:02 2011 +0000

description:
a little undocumented debugging.

diffstat:

 usr.sbin/wsmoused/wsmoused.c |  24 +++++++++++++++++++-----
 1 files changed, 19 insertions(+), 5 deletions(-)

diffs (74 lines):

diff -r 6af80edb6346 -r 64402aeaab09 usr.sbin/wsmoused/wsmoused.c
--- a/usr.sbin/wsmoused/wsmoused.c      Tue May 31 02:34:32 2011 +0000
+++ b/usr.sbin/wsmoused/wsmoused.c      Tue May 31 03:37:02 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: wsmoused.c,v 1.25 2009/01/19 00:53:15 christos Exp $ */
+/* $NetBSD: wsmoused.c,v 1.26 2011/05/31 03:37:02 christos Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2004 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
 #ifndef lint
 __COPYRIGHT("@(#) Copyright (c) 2002, 2003\
  The NetBSD Foundation, Inc.  All rights reserved.");
-__RCSID("$NetBSD: wsmoused.c,v 1.25 2009/01/19 00:53:15 christos Exp $");
+__RCSID("$NetBSD: wsmoused.c,v 1.26 2011/05/31 03:37:02 christos Exp $");
 #endif /* not lint */
 
 #include <sys/ioctl.h>
@@ -95,7 +95,7 @@
  * Prototypes for functions private to this module.
  */
 
-static void usage(void);
+static void usage(void) __attribute__((__noreturn__));
 static void open_device(unsigned int);
 static void init_mouse(void);
 static void event_loop(void);
@@ -105,7 +105,8 @@
 static void detach_mode(const char *);
 static void detach_modes(void);
 static void signal_terminate(int);
-int main(int, char **);
+
+static int debug;
 
 /* --------------------------------------------------------------------- */
 
@@ -295,6 +296,11 @@
 
                if (fds[0].revents & POLLIN) {
                        res = read(Mouse.m_statfd, &event, sizeof(event));
+                       if (debug)
+                               (void)fprintf(stderr, "event [type=%u,value=%d,"
+                                   "time=[%lld,%ld]\n", event.type,
+                                   event.value, (long long)event.time.tv_sec,
+                                   (long)event.time.tv_nsec);
                        if (res != sizeof(event))
                                log_warn("failed to read from mouse stat");
 
@@ -313,6 +319,11 @@
                        if (res != sizeof(event))
                                log_warn("failed to read from mouse");
 
+                       if (debug)
+                               (void)fprintf(stderr, "event [type=%u,value=%d,"
+                                   "time=[%lld,%ld]\n", event.type,
+                                   event.value, (long long)event.time.tv_sec,
+                                   (long)event.time.tv_nsec);
                        if (Mouse.m_fifofd >= 0) {
                                res = write(Mouse.m_fifofd, &event,
                                            sizeof(event));
@@ -500,8 +511,11 @@
        nodaemon = -1;
 
        /* Parse command line options */
-       while ((opt = getopt(argc, argv, "d:f:m:n")) != -1) {
+       while ((opt = getopt(argc, argv, "Dd:f:m:n")) != -1) {
                switch (opt) {
+               case 'D':
+                       debug++;
+                       break;
                case 'd': /* Mouse device name */
                        Mouse.m_devname = optarg;
                        break;