applied and fixed the original patch

initial work on the patch import done

5 files changed, 17 insertions, 21 deletions

diff --git a/main/SAPI.c b/main/SAPI.c
index 8ee7649648..c9ba5d5dce 100644
--- a/main/SAPI.c
+++ b/main/SAPI.c
@@ -91,8 +91,6 @@ SAPI_API void sapi_startup(sapi_module_struct *sf)
 	sapi_globals_ctor(&sapi_globals);
 #endif
 
-	virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */
-
 #ifdef PHP_WIN32
 	tsrm_win32_startup();
 #endif
@@ -110,8 +108,6 @@ SAPI_API void sapi_shutdown(void)
 
 	reentrancy_shutdown();
 
-	virtual_cwd_shutdown();
-
 #ifdef PHP_WIN32
 	tsrm_win32_shutdown();
 #endif
diff --git a/main/fopen_wrappers.c b/main/fopen_wrappers.c
index 1d99a4e20e..6722798598 100644
--- a/main/fopen_wrappers.c
+++ b/main/fopen_wrappers.c
@@ -791,11 +791,11 @@ PHPAPI char *expand_filepath_with_mode(const char *filepath, char *real_path, co
 		}
 	}
 
-	new_state.cwd = strdup(cwd);
+	new_state.cwd = estrdup(cwd);
 	new_state.cwd_length = strlen(cwd);
 
 	if (virtual_file_ex(&new_state, filepath, NULL, realpath_mode TSRMLS_CC)) {
-		free(new_state.cwd);
+		efree(new_state.cwd);
 		return NULL;
 	}
 
@@ -806,7 +806,7 @@ PHPAPI char *expand_filepath_with_mode(const char *filepath, char *real_path, co
 	} else {
 		real_path = estrndup(new_state.cwd, new_state.cwd_length);
 	}
-	free(new_state.cwd);
+	efree(new_state.cwd);
 
 	return real_path;
 }
diff --git a/main/main.c b/main/main.c
index 1cc842b212..2d018a7467 100644
--- a/main/main.c
+++ b/main/main.c
@@ -1816,6 +1816,9 @@ void php_request_shutdown(void *dummy)
 		sapi_deactivate(TSRMLS_C);
 	} zend_end_try();
 
+	/* 9.5 free virtual CWD memory */
+	virtual_cwd_deactivate(TSRMLS_C);
+
 	/* 10. Destroy stream hashes */
 	zend_try {
 		php_shutdown_stream_hashes(TSRMLS_C);
@@ -2243,9 +2246,7 @@ int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_mod
 	}
 #endif
 
-#ifdef ZTS
 	zend_post_startup(TSRMLS_C);
-#endif
 
 	module_initialized = 1;
 
@@ -2315,6 +2316,7 @@ int php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_mod
 
 	shutdown_memory_manager(1, 0 TSRMLS_CC);
 	zend_interned_strings_snapshot(TSRMLS_C);
+ 	virtual_cwd_activate(TSRMLS_C);
 
 	/* we're done */
 	return retval;
@@ -2410,14 +2412,13 @@ PHPAPI int php_execute_script(zend_file_handle *primary_file TSRMLS_DC)
 	volatile int old_cwd_fd = -1;
 #else
 	char *old_cwd;
-	ALLOCA_FLAG(use_heap)
 #endif
 	int retval = 0;
 
 	EG(exit_status) = 0;
 #ifndef HAVE_BROKEN_GETCWD
 # define OLD_CWD_SIZE 4096
-	old_cwd = do_alloca(OLD_CWD_SIZE, use_heap);
+	old_cwd = emalloc(OLD_CWD_SIZE);
 	old_cwd[0] = '\0';
 #endif
 
@@ -2498,7 +2499,7 @@ PHPAPI int php_execute_script(zend_file_handle *primary_file TSRMLS_DC)
 	if (old_cwd[0] != '\0') {
 		php_ignore_value(VCWD_CHDIR(old_cwd));
 	}
-	free_alloca(old_cwd, use_heap);
+	efree(old_cwd);
 #endif
 	return retval;
 }
@@ -2509,11 +2510,10 @@ PHPAPI int php_execute_script(zend_file_handle *primary_file TSRMLS_DC)
 PHPAPI int php_execute_simple_script(zend_file_handle *primary_file, zval **ret TSRMLS_DC)
 {
 	char *old_cwd;
-	ALLOCA_FLAG(use_heap)
 
 	EG(exit_status) = 0;
 #define OLD_CWD_SIZE 4096
-	old_cwd = do_alloca(OLD_CWD_SIZE, use_heap);
+	old_cwd = emalloc(OLD_CWD_SIZE);
 	old_cwd[0] = '\0';
 
 	zend_try {
@@ -2536,7 +2536,7 @@ PHPAPI int php_execute_simple_script(zend_file_handle *primary_file, zval **ret
 		php_ignore_value(VCWD_CHDIR(old_cwd));
 	}
 
-	free_alloca(old_cwd, use_heap);
+	efree(old_cwd);
 	return EG(exit_status);
 }
 /* }}} */
diff --git a/main/php_open_temporary_file.c b/main/php_open_temporary_file.c
index 054d497be6..8315297738 100644
--- a/main/php_open_temporary_file.c
+++ b/main/php_open_temporary_file.c
@@ -124,11 +124,11 @@ static int php_do_open_temporary_file(const char *path, const char *pfx, char **
 		cwd[0] = '\0';
 	}
 
-	new_state.cwd = strdup(cwd);
+	new_state.cwd = estrdup(cwd);
 	new_state.cwd_length = strlen(cwd);
 
 	if (virtual_file_ex(&new_state, path, NULL, CWD_REALPATH TSRMLS_CC)) {
-		free(new_state.cwd);
+		efree(new_state.cwd);
 		return -1;
 	}
 
@@ -140,7 +140,7 @@ static int php_do_open_temporary_file(const char *path, const char *pfx, char **
 
 	if (spprintf(&opened_path, 0, "%s%s%sXXXXXX", new_state.cwd, trailing_slash, pfx) >= MAXPATHLEN) {
 		efree(opened_path);
-		free(new_state.cwd);
+		efree(new_state.cwd);
 		return -1;
 	}
 
@@ -151,7 +151,7 @@ static int php_do_open_temporary_file(const char *path, const char *pfx, char **
 		 * which means that opening it will fail... */
 		if (VCWD_CHMOD(opened_path, 0600)) {
 			efree(opened_path);
-			free(new_state.cwd);
+			efree(new_state.cwd);
 			return -1;
 		}
 		fd = VCWD_OPEN_MODE(opened_path, open_flags, 0600);
@@ -170,7 +170,7 @@ static int php_do_open_temporary_file(const char *path, const char *pfx, char **
 	} else {
 		*opened_path_p = opened_path;
 	}
-	free(new_state.cwd);
+	efree(new_state.cwd);
 	return fd;
 }
 /* }}} */
diff --git a/main/streams/plain_wrapper.c b/main/streams/plain_wrapper.c
index 949b827679..4dbf6889d7 100644
--- a/main/streams/plain_wrapper.c
+++ b/main/streams/plain_wrapper.c
@@ -1436,7 +1436,7 @@ not_relative_path:
 			php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%s/%s path was truncated to %d", cwd, filename, MAXPATHLEN);
 		}
 		
-		free(cwd);
+		efree(cwd);
 		
 		if (((options & STREAM_DISABLE_OPEN_BASEDIR) == 0) && php_check_open_basedir(trypath TSRMLS_CC)) {
 			return NULL;