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Bug #23071 when trying to use the T flag in date it will crash if DST is in operation
Submitted: 2003-04-06 09:46 UTC Modified: 2003-04-06 17:43 UTC
From: scottmacvicar at ntlworld dot com Assigned:
Status: Closed Package: Date/time related
PHP Version: 4.3.2RC1 OS: Windows XP
Private report: No CVE-ID:
 [2003-04-06 09:46 UTC] scottmacvicar at ntlworld dot com
on windows this will crash Apache 2.0.45 using PHP built from this morning. tname[1] value is BST but tname[0] value is GMT Standard Time.


patch is as follows

--- datetime.c  Sun Feb  9 17:11:00 2003
+++ datetime.c.patched  Sun Apr  6 10:41:52 2003
@@ -540,7 +540,11 @@
                                strcat(Z_STRVAL_P(return_value), ta->tm_zone);
-                               strcat(Z_STRVAL_P(return_value), tname[0]);
+                               if (ta->tm_isdst > 0 ) {
+                                       strcat(Z_STRVAL_P(return_value), tname[1]);
+                               } else {
+                                       strcat(Z_STRVAL_P(return_value), tname[0]);
+                               }
                        case 'B':       /* Swatch Beat a.k.a. Internet Time */


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 [2003-04-06 17:18 UTC] scottmacvicar at ntlworld dot com

date('T') causes crash when DST is in effect and the DST timezone name is shorter than original timezone name
	if (!date('I')) die('DST not in effect');
string(3) "BST"
 [2003-04-06 17:43 UTC]
This bug has been fixed in CVS.

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Thank you for the report, and for helping us make PHP better.

Thanks for the patch. (I applied a little bit simpler version though :)

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