staging: usbip: userspace: usbip.c: add log option

Add option for logging with syslog, and default to use stderr for
error and info messages.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/usbip/userspace/src/usbip.c b/drivers/staging/usbip/userspace/src/usbip.c
index 8940cd0..cdfe4c2 100644 (file)
--- a/drivers/staging/usbip/userspace/src/usbip.c
+++ b/drivers/staging/usbip/userspace/src/usbip.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 
 #include <getopt.h>
+#include <syslog.h>
 
 #include "usbip_common.h"
 #include "usbip.h"
@@ -33,7 +34,7 @@ static int usbip_version(int argc, char *argv[]);
 static const char usbip_version_string[] = PACKAGE_STRING;
 
 static const char usbip_usage_string[] =
-       "usbip [--debug] [version]\n"
+       "usbip [--debug] [--log] [version]\n"
        "             [help] <command> <args>\n";
 
 static void usbip_usage(void)
@@ -138,12 +139,15 @@ int main(int argc, char *argv[])
 {
        static const struct option opts[] = {
                { "debug", no_argument, NULL, 'd' },
-               { NULL, 0, NULL, 0 }
+               { "log",   no_argument, NULL, 'l' },
+               { NULL,    0,           NULL,  0  }
        };
+
        char *cmd;
        int opt;
        int i, rc = -1;
 
+       usbip_use_stderr = 1;
        opterr = 0;
        for (;;) {
                opt = getopt_long(argc, argv, "+d", opts, NULL);
@@ -154,7 +158,10 @@ int main(int argc, char *argv[])
                switch (opt) {
                case 'd':
                        usbip_use_debug = 1;
-                       usbip_use_stderr = 1;
+                       break;
+               case 'l':
+                       usbip_use_syslog = 1;
+                       openlog("", LOG_PID, LOG_USER);
                        break;
                default:
                        goto err_out;