Fix buglet

diff --git a/sapi/isapi/php4isapi.c b/sapi/isapi/php4isapi.c
index c31ade74b8077423eecdd07e0477052e32cbfffe..6db380b675cc6302336559caad5474d9b55c8c2a 100644 (file)
--- a/sapi/isapi/php4isapi.c
+++ b/sapi/isapi/php4isapi.c
@@ -462,7 +462,6 @@ DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
                        static SYSTEM_INFO si;
                        static MEMORY_BASIC_INFORMATION mi;
                        static DWORD dwOldProtect;
-                       HSE_SEND_HEADER_EX_INFO header_info;
 
                        GetSystemInfo(&si);
 
@@ -487,16 +486,20 @@ DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
 
                        CG(unclean_shutdown)=1;
 
-                       header_info.pszStatus = "500 Internal Server Error";
+                       if (!SG(headers_sent)) {
+                               HSE_SEND_HEADER_EX_INFO header_info;
+
+                               header_info.pszStatus = "500 Internal Server Error";
 #ifndef WITH_ZEUS
-                       header_info.cchStatus = strlen(header_info.pszStatus);
+                               header_info.cchStatus = strlen(header_info.pszStatus);
 #endif
-                       header_info.pszHeader = "Content-Type: text/html\r\n\r\n";
-                       header_info.cchHeader = strlen(header_info.pszHeader);
+                               header_info.pszHeader = "Content-Type: text/html\r\n\r\n";
+                               header_info.cchHeader = strlen(header_info.pszHeader);
 
-                       lpECB->dwHttpStatusCode = 500;
-                       lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL);
-                       SG(headers_sent)=1;
+                               lpECB->dwHttpStatusCode = 500;
+                               lpECB->ServerSupportFunction(lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER_EX, &header_info, NULL, NULL);
+                               SG(headers_sent)=1;
+                       }
                        sapi_isapi_ub_write("Stack Overflow", sizeof("Stack Overflow")-1);              
                } else {
                        ExitThread(0);