diff options
Diffstat (limited to 'v4l2-apps/lib/libv4l/libv4l1/log.c')
-rw-r--r-- | v4l2-apps/lib/libv4l/libv4l1/log.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/v4l2-apps/lib/libv4l/libv4l1/log.c b/v4l2-apps/lib/libv4l/libv4l1/log.c index 74ce0f20b..9ff0cea46 100644 --- a/v4l2-apps/lib/libv4l/libv4l1/log.c +++ b/v4l2-apps/lib/libv4l/libv4l1/log.c @@ -66,6 +66,7 @@ static const char *v4l1_ioctls[] = { void v4l1_log_ioctl(unsigned long int request, void *arg, int result) { const char *ioctl_str = "unknown"; + char buf[40]; if (!v4l1_log_file) return; @@ -77,6 +78,11 @@ void v4l1_log_ioctl(unsigned long int request, void *arg, int result) if (_IOC_TYPE(request) == 'v' && _IOC_NR(request) < ARRAY_SIZE(v4l1_ioctls)) ioctl_str = v4l1_ioctls[_IOC_NR(request)]; + else { + snprintf(buf, sizeof(buf), "unknown request: %c %d\n", + (int)_IOC_TYPE(request), (int)_IOC_NR(request)); + ioctl_str = buf; + } fprintf(v4l1_log_file, "request == %s\n", ioctl_str); |