[dovecot-cvs] dovecot/src/lib utc-mktime.c,1.2,1.3

[cras at procontrol.fi]

Update of /home/cvs/dovecot/src/lib
In directory danu:/tmp/cvs-serv3979/src/lib

Modified Files:
	utc-mktime.c 
Log Message:
utc_mktime() crashed with 64bit time_t if gmtime() didn't like >32bit values



Index: utc-mktime.c
===================================================================
RCS file: /home/cvs/dovecot/src/lib/utc-mktime.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- utc-mktime.c	24 Oct 2002 00:17:28 -0000	1.2
+++ utc-mktime.c	2 Aug 2003 17:38:15 -0000	1.3
@@ -84,6 +84,7 @@
 **	would still be very reasonable).
 */
 
+#include "lib.h"
 #include "utc-mktime.h"
 
 static int tmcomp(register const struct tm * const atmp,
@@ -116,8 +117,9 @@
 	** (this works regardless of whether time_t is
 	** signed or unsigned, though lint complains if unsigned).
 	*/
-	for (bits = 0, t = 1; t > 0; ++bits, t <<= 1)
-		;
+	for (bits = 0, t = 1; t > 0 && bits < TIME_T_MAX_BITS-1; bits++)
+		t <<= 1;
+
 	/*
 	** If time_t is signed, then 0 is the median value,
 	** if time_t is unsigned, then 1 << bits is median.