nixieclock.C

# This restores the countdown timer feature (a.k.a. beer o'clock) to Erco's rather fabulous nixieclock
# <http://seriss.com/people/erco/unixtools/nixieclock/>
# Seems my original patch has been partially reverted.

--- nixieclock.C.orig	2009-10-28 03:53:28.000000000 +0000
+++ nixieclock.C	2010-09-03 16:37:43.000000000 +0100
@@ -68,8 +68,7 @@
 	"    -t              # test pattern for alphanumeric display\n"
 	"    -n              # no background mode (don't fork)\n"
 	"    -geometry <pos> # sets geometry (x windows style positions)\n"
-// NOT YET
-//	"    -c <epochtime>  # counts down to epochtime\n"
+	"    -c <epochtime>  # counts down to epochtime\n"
 
 // NOT YET
 //	"    -r cmd [args]   # runs command, each line of output updates in clock\n"
@@ -106,6 +105,10 @@
     static char last_s[80] = "";
 
     time_t timt = time(NULL);
+    if (G_countdown) {
+        timt = G_countdown - timt;
+    }
+
     struct tm *tmbuf = localtime(&timt);
     strftime(s, sizeof(s)-1, G_timestring, tmbuf);