From 0ef9c0b48c3ef484004231878a6c8c1e9c33a2b3 Mon Sep 17 00:00:00 2001
From: Michael Wallner <mike@php.net>
Date: Thu, 1 Sep 2005 07:06:28 +0000
Subject: [PATCH] - introduce a force flag for no_cache

---
 http_send_api.c     | 10 +++++-----
 php_http_send_api.h | 17 ++++++++++-------
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/http_send_api.c b/http_send_api.c
index ba6122b..e74d20d 100644
--- a/http_send_api.c
+++ b/http_send_api.c
@@ -337,7 +337,7 @@ PHP_HTTP_API STATUS _http_send_ranges(HashTable *ranges, const void *data, size_
 /* }}} */
 
 /* {{{ STATUS http_send(void *, size_t, http_send_mode) */
-PHP_HTTP_API STATUS _http_send(const void *data_ptr, size_t data_size, http_send_mode data_mode TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_ex(const void *data_ptr, size_t data_size, http_send_mode data_mode, zend_bool no_cache TSRMLS_DC)
 {
 	HashTable ranges;
 	http_range_status range_status;
@@ -381,7 +381,7 @@ PHP_HTTP_API STATUS _http_send(const void *data_ptr, size_t data_size, http_send
 	zend_hash_destroy(&ranges);
 
 	/* send 304 Not Modified if etag matches - DON'T return on ETag generation failure */
-	if (cache_etag) {
+	if (!no_cache && cache_etag) {
 		char *etag = NULL;
 
 		if (!(etag = http_etag(data_ptr, data_size, data_mode))) {
@@ -400,7 +400,7 @@ PHP_HTTP_API STATUS _http_send(const void *data_ptr, size_t data_size, http_send
 	}
 
 	/* send 304 Not Modified if last modified matches */
-	if (http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G(send).last_modified)) {
+	if (!no_cache && http_match_last_modified("HTTP_IF_MODIFIED_SINCE", HTTP_G(send).last_modified)) {
 		char *sent_header = NULL;
 		http_send_last_modified_ex(HTTP_G(send).last_modified, &sent_header);
 		return http_exit_ex(304, sent_header, NULL, 0);
@@ -419,7 +419,7 @@ PHP_HTTP_API STATUS _http_send(const void *data_ptr, size_t data_size, http_send
 /* }}} */
 
 /* {{{ STATUS http_send_stream(php_stream *) */
-PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_stream TSRMLS_DC)
+PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_stream, zend_bool no_cache TSRMLS_DC)
 {
 	STATUS status;
 	php_stream_statbuf ssb;
@@ -428,7 +428,7 @@ PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *file, zend_bool close_strea
 		return FAILURE;
 	}
 
-	status = http_send(file, ssb.sb.st_size, SEND_RSRC);
+	status = http_send_ex(file, ssb.sb.st_size, SEND_RSRC, no_cache);
 
 	if (close_stream) {
 		php_stream_close(file);
diff --git a/php_http_send_api.h b/php_http_send_api.h
index 84a0858..8845afd 100644
--- a/php_http_send_api.h
+++ b/php_http_send_api.h
@@ -57,13 +57,16 @@ PHP_HTTP_API STATUS _http_send_content_disposition(const char *filename, size_t
 PHP_HTTP_API STATUS _http_send_ranges(HashTable *ranges, const void *data, size_t size, http_send_mode mode TSRMLS_DC);
 
 #define http_send_data(d, l) http_send((d), (l), SEND_DATA)
-#define http_send(d, s, m) _http_send((d), (s), (m) TSRMLS_CC)
-PHP_HTTP_API STATUS _http_send(const void *data, size_t data_size, http_send_mode mode TSRMLS_DC);
-
-#define http_send_file(f) http_send_stream_ex(php_stream_open_wrapper(f, "rb", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL), 1)
-#define http_send_stream(s) http_send_stream_ex((s), 0)
-#define http_send_stream_ex(s, c) _http_send_stream_ex((s), (c) TSRMLS_CC)
-PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *s, zend_bool close_stream TSRMLS_DC);
+#define http_send_data_ex(d, l, nc) http_send_ex((d), (l), SEND_DATA, (nc))
+#define http_send(d, s, m) _http_send_ex((d), (s), (m), 0 TSRMLS_CC)
+#define http_send_ex(d, s, m, nc) _http_send_ex((d), (s), (m), (nc) TSRMLS_CC)
+PHP_HTTP_API STATUS _http_send_ex(const void *data, size_t data_size, http_send_mode mode, zend_bool no_cache TSRMLS_DC);
+
+#define http_send_file(f) http_send_stream_ex(php_stream_open_wrapper(f, "rb", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL), 1, 0)
+#define http_send_file_ex(f, nc) http_send_stream_ex(php_stream_open_wrapper(f, "rb", REPORT_ERRORS|ENFORCE_SAFE_MODE, NULL), 1, (nc))
+#define http_send_stream(s) http_send_stream_ex((s), 0, 0)
+#define http_send_stream_ex(s, c, nc) _http_send_stream_ex((s), (c), (nc) TSRMLS_CC)
+PHP_HTTP_API STATUS _http_send_stream_ex(php_stream *s, zend_bool close_stream, zend_bool no_cache TSRMLS_DC);
 
 #endif
 
-- 
2.30.2