From: Zeev Suraski <zeev@php.net>
Date: Wed, 5 May 1999 19:53:15 +0000 (+0000)
Subject: ISAPI WORKS!
X-Git-Tag: BEFORE_PHP4_APACHE_MODULE_CHANGE~97
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2740382c2c5758e72850e8357046b94b9ac3e5e4;p=php

ISAPI WORKS!
---

diff --git a/main/SAPI.c b/main/SAPI.c
index c107365366..12499aee3b 100644
--- a/main/SAPI.c
+++ b/main/SAPI.c
@@ -41,6 +41,7 @@ SAPI_API void sapi_activate(SLS_D)
 	zend_llist_init(&SG(sapi_headers).headers, sizeof(sapi_header_struct), (void (*)(void *)) sapi_free_header, 0);
 	SG(sapi_headers).content_type.header = NULL;
 	SG(sapi_headers).http_response_code = 200;
+	SG(headers_sent) = 0;
 }
 
 
@@ -62,7 +63,11 @@ SAPI_API int sapi_add_header(const char *header_line, uint header_line_len)
 	sapi_header.header = (char *) header_line;
 	sapi_header.header_len = header_line_len;
 
-	retval = sapi_module.header_handler(&sapi_header, &SG(sapi_headers));
+	if (sapi_module.header_handler) {
+		retval = sapi_module.header_handler(&sapi_header, &SG(sapi_headers));
+	} else {
+		retval = SAPI_HEADER_ADD;
+	}
 
 	if (retval & SAPI_HEADER_DELETE_ALL) {
 		zend_llist_clean(&SG(sapi_headers).headers);
@@ -91,14 +96,27 @@ SAPI_API int sapi_add_header(const char *header_line, uint header_line_len)
 
 SAPI_API int sapi_send_headers()
 {
+	int retval;
 	SLS_FETCH();
 
-	switch (sapi_module.send_headers(&SG(sapi_headers) SLS_CC)) {
+	if (SG(headers_sent)) {
+		return SUCCESS;
+	}
+
+	if (sapi_module.send_headers) {
+		retval = sapi_module.send_headers(&SG(sapi_headers) SLS_CC);
+	} else {
+		retval = SAPI_HEADER_DO_SEND;
+	}
+
+	switch (retval) {
 		case SAPI_HEADER_SENT_SUCCESSFULLY:
+			SG(headers_sent) = 1;
 			return SUCCESS;
 			break;
 		case SAPI_HEADER_DO_SEND:
 			zend_llist_apply_with_argument(&SG(sapi_headers).headers, (void (*)(void *, void *)) sapi_module.send_header, SG(server_context));
+			SG(headers_sent) = 1;
 			return SUCCESS;
 			break;
 		case SAPI_HEADER_SEND_FAILED:
diff --git a/main/SAPI.h b/main/SAPI.h
index 2b76ceae4c..58ef0c081a 100644
--- a/main/SAPI.h
+++ b/main/SAPI.h
@@ -49,6 +49,7 @@ typedef struct {
 	void *server_context;
 	sapi_request_info request_info;
 	sapi_headers_struct sapi_headers;
+	unsigned char headers_sent;
 } sapi_globals_struct;
 
 
diff --git a/main/main.c b/main/main.c
index cfc39a5a0d..d1ccc629e4 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1126,14 +1126,14 @@ PHPAPI void php_execute_script(zend_file_handle *primary_file CLS_DC ELS_DC PLS_
 		if (!strcmp(SG(request_info).query_string+1, "PHPE9568F34-D428-11d2-A769-00AA001ACF42")) {
 			char *header_line = estrndup(CONTEXT_TYPE_IMAGE_GIF, sizeof(CONTEXT_TYPE_IMAGE_GIF));
 
-			php4i_add_header_information(header_line, sizeof(CONTEXT_TYPE_IMAGE_GIF));
+			php4i_add_header_information(header_line, sizeof(CONTEXT_TYPE_IMAGE_GIF)-1);
 			PHPWRITE(php4_logo, sizeof(php4_logo));
 			efree(header_line);
 			return;
 		} else if (!strcmp(SG(request_info).query_string+1, "PHPE9568F35-D428-11d2-A769-00AA001ACF42")) {
 			char *header_line = estrndup(CONTEXT_TYPE_IMAGE_GIF, sizeof(CONTEXT_TYPE_IMAGE_GIF));
 
-			php4i_add_header_information(header_line, sizeof(CONTEXT_TYPE_IMAGE_GIF));
+			php4i_add_header_information(header_line, sizeof(CONTEXT_TYPE_IMAGE_GIF)-1);
 			PHPWRITE(zendtech_logo, sizeof(zendtech_logo));
 			efree(header_line);
 			return;
diff --git a/output.c b/output.c
index c18650f2f4..327ed06fb8 100644
--- a/output.c
+++ b/output.c
@@ -22,6 +22,7 @@
 int (*zend_body_write)(const char *str, uint str_length);		/* string output */
 int (*zend_header_write)(const char *str, uint str_length);	/* unbuffer string output */
 static int zend_ub_body_write(const char *str, uint str_length);
+static int zend_ub_body_write_no_header(const char *str, uint str_length);
 static int zend_b_body_write(const char *str, uint str_length);
 
 /* output buffering */
@@ -57,10 +58,16 @@ void zend_start_ob_buffering()
 
 void zend_end_ob_buffering(int send_buffer)
 {
+	SLS_FETCH();
+
 	if (!ob_buffer) {
 		return;
 	}
-	zend_body_write = zend_ub_body_write;
+	if (SG(headers_sent)) {
+		zend_body_write = zend_ub_body_write_no_header;
+	} else {
+		zend_body_write = zend_ub_body_write;
+	}
 	if (send_buffer) {
 		zend_ob_send();
 	}
@@ -166,6 +173,12 @@ static int zend_b_body_write(const char *str, uint str_length)
 }
 
 
+static int zend_ub_body_write_no_header(const char *str, uint str_length)
+{
+	return zend_header_write(str, str_length);
+}
+
+
 static int zend_ub_body_write(const char *str, uint str_length)
 {
 	SLS_FETCH();
@@ -174,6 +187,7 @@ static int zend_ub_body_write(const char *str, uint str_length)
 		zend_bailout();
 	}
 	if (php3_header()) {
+		zend_body_write = zend_ub_body_write_no_header;
 		return zend_header_write(str, str_length);
 	} else {
 		return 0;