>From 6fb0e482a932ef77683a54cbf19681b22fe31d34 Mon Sep 17 00:00:00 2001
From: Dan Kenigsberg <address@hidden>
Date: Sun, 27 Apr 2008 13:49:47 +0300
Subject: [PATCH] specify startdate offset from the command line

---
 vl.c |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index 7f22152..34d8e68 100644
--- a/vl.c
+++ b/vl.c
@@ -8777,7 +8777,19 @@ int main(int argc, char **argv)
                 {
                     struct tm tm;
                     time_t rtc_start_date;
-                    if (!strcmp(optarg, "now")) {
+                    char sign;
+                    if (sscanf(optarg, "now%c%lu", 
+                                        &sign, &rtc_date_offset) == 2) {
+                        switch (sign) {
+                            case '+':
+                                rtc_date_offset = -rtc_date_offset;
+                                break;
+                            case '-':
+                                break;
+                            default:
+                                goto date_fail;
+                        }
+                    } else if (!strcmp(optarg, "now")) {
                         rtc_date_offset = 0;
                     } else {
                         if (sscanf(optarg, "%d-%d-%dT%d:%d:%d",
@@ -8807,7 +8819,7 @@ int main(int argc, char **argv)
                         if (rtc_start_date == -1) {
                         date_fail:
                             fprintf(stderr, "Invalid date format. Valid format are:\n"
-                                    "'now' or '2006-06-17T16:01:21' or '2006-06-17'\n");
+                                    "'now' or 'now{+-}offset' or '2006-06-17T16:01:21' or '2006-06-17'\n");
                             exit(1);
                         }
                         rtc_date_offset = time(NULL) - rtc_start_date;
-- 
1.5.4.5