Changeset 43671b9 for protocols/jabber/jabber_util.c

Timestamp:

2007-04-22T23:39:37Z (17 years ago)

Author:

Wilmer van der Gaast <wilmer@…>

Branches:

master

Children:

0e7ab64

Parents:

e35d1a1

Message:

You can send messages too now. But it's still very kludgy and doesn't work
with anonymous rooms (ie about 95% of all available Jabber chatrooms?).

File:

• protocols/jabber/jabber_util.c (modified) (1 diff)

protocols/jabber/jabber_util.c

@@ -558 +558 @@
         return ret;
 }
+
+time_t jabber_get_timestamp( struct xt_node *xt )
+{
+        struct tm tp, utc;
+        struct xt_node *c;
+        time_t res, tres;
+        char *s = NULL;
+        
+        for( c = xt->children; ( c = xt_find_node( c, "x" ) ); c = c->next )
+        {
+                if( ( s = xt_find_attr( c, "xmlns" ) ) && strcmp( s, XMLNS_DELAY ) == 0 )
+                        break;
+        }
+        
+        if( !c || !( s = xt_find_attr( c, "stamp" ) ) )
+                return 0;
+        
+        memset( &tp, 0, sizeof( tp ) );
+        if( sscanf( s, "%4d%2d%2dT%2d:%2d:%2d", &tp.tm_year, &tp.tm_mon, &tp.tm_mday,
+                                                &tp.tm_hour, &tp.tm_min, &tp.tm_sec ) != 6 )
+                return 0;
+        
+        tp.tm_year -= 1900;
+        tp.tm_mon --;
+        tp.tm_isdst = -1; /* GRRRRRRRRRRR */
+        
+        res = mktime( &tp );
+        /* Problem is, mktime() just gave us the GMT timestamp for the
+           given local time... While the given time WAS NOT local. So
+           we should fix this now.
+        
+           Now I could choose between messing with environment variables
+           (kludgy) or using timegm() (not portable)... Or doing the
+           following, which I actually prefer... */
+        gmtime_r( &res, &utc );
+        utc.tm_isdst = -1; /* Once more: GRRRRRRRRRRRRRRRRRR!!! */
+        if( utc.tm_hour == tp.tm_hour && utc.tm_min == tp.tm_min )
+                /* Sweet! We're in UTC right now... */
+                return res;
+        
+        tres = mktime( &utc );
+        res += res - tres;
+        
+        /* Yes, this is a hack. And it will go wrong around DST changes.
+           BUT this is more likely to be threadsafe than messing with
+           environment variables, and possibly more portable... */
+        
+        return res;
+}