From d8523b1334eaf61f71233401fe401925230fe1e5 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Thu, 8 Dec 2005 10:11:04 +0000
Subject: [PATCH] - fix GMT offsets on Windows for parse_date()

---
 http_date_api.c     | 50 +++++++++++++++++++++++++++++++++++++--------
 php_http_date_api.h |  4 ++--
 2 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/http_date_api.c b/http_date_api.c
index 91c1676..02f619c 100644
--- a/http_date_api.c
+++ b/http_date_api.c
@@ -17,11 +17,15 @@
 #endif
 
 #include "php_http.h"
+#include "php_http_api.h"
 #include "php_http_date_api.h"
 
-static int check_day(char *day, size_t len);
-static int check_month(char *month);
-static int check_tzone(char *tzone);
+ZEND_EXTERN_MODULE_GLOBALS(http);
+
+static inline int check_day(const char *day, size_t len);
+static inline int check_month(const char *month);
+static inline int check_tzone(const char *tzone);
+static inline time_t parse_date(const char *month);
 
 /* {{{ day/month names */
 static const char *days[] = {
@@ -96,7 +100,7 @@ static const struct time_zone {
 
 /* {{{ Day/Month/TZ checks for http_parse_date()
 	Originally by libcurl, Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. */
-static int check_day(char *day, size_t len)
+static inline int check_day(const char *day, size_t len)
 {
 	int i;
 	const char * const *check = (len > 3) ? &weekdays[0] : &wkdays[0];
@@ -109,7 +113,7 @@ static int check_day(char *day, size_t len)
 	return -1;
 }
 
-static int check_month(char *month)
+static inline int check_month(const char *month)
 {
 	int i;
 	const char * const *check = &months[0];
@@ -125,7 +129,7 @@ static int check_month(char *month)
 /* return the time zone offset between GMT and the input one, in number
    of seconds or -1 if the timezone wasn't found/legal */
 
-static int check_tzone(char *tzone)
+static inline int check_tzone(const char *tzone)
 {
 	unsigned i;
 	const struct time_zone *check = time_zones;
@@ -159,9 +163,39 @@ PHP_HTTP_API char *_http_date(time_t t TSRMLS_DC)
 }
 /* }}} */
 
-/* {{{ time_t http_parse_date(char *)
+/* {{{ time_t http_parse_date(char *) */
+PHP_HTTP_API time_t _http_parse_date(const char *date TSRMLS_DC)
+{
+	time_t t = -1;
+	
+#ifdef PHP_WIN32
+	/* fix odd offsets with Win32 */ 
+	char tzput[64] = "TZ=";
+	const char *tzget = NULL;
+	
+	if ((tzget = getenv("TZ"))) {
+		strlcat(tzput, tzget, 63);
+	}
+	putenv("TZ=GMT");
+#endif
+	
+	t = parse_date(date);
+	
+#ifdef PHP_WIN32
+	putenv(tzput);
+#endif
+
+	if (-1 == t) {
+		http_error_ex(HE_NOTICE, HTTP_E_RUNTIME, "Could not parse date: %s", date);
+	}
+	
+	return t;
+}
+/* }}} */
+
+/*	time_t parse_date(char *)
 	Originally by libcurl, Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. */
-PHP_HTTP_API time_t _http_parse_date(const char *date)
+static inline time_t parse_date(const char *date)
 {
 	time_t t = 0;
 	int tz_offset = -1, year = -1, month = -1, monthday = -1, weekday = -1,
diff --git a/php_http_date_api.h b/php_http_date_api.h
index e25ad6f..563aab1 100644
--- a/php_http_date_api.h
+++ b/php_http_date_api.h
@@ -18,8 +18,8 @@
 #define http_date(t) _http_date((t) TSRMLS_CC)
 PHP_HTTP_API char *_http_date(time_t t TSRMLS_DC);
 
-#define http_parse_date(d) _http_parse_date((d))
-PHP_HTTP_API time_t _http_parse_date(const char *date);
+#define http_parse_date(d) _http_parse_date((d) TSRMLS_CC)
+PHP_HTTP_API time_t _http_parse_date(const char *date TSRMLS_DC);
 
 #endif
 
-- 
2.30.2