commit 76492b4bb27a8695483449c433f4104df7b778ed
parent 75250a237cb620ef44b344c07398b8a27bdcddc2
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Sat, 16 Mar 2013 18:09:53 -0300
macro 'lua_checkmode' + typos in comments
Diffstat:
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/liolib.c b/liolib.c
@@ -1,5 +1,5 @@
/*
-** $Id: liolib.c,v 2.107 2011/11/14 16:55:35 roberto Exp roberto $
+** $Id: liolib.c,v 2.108 2011/11/25 12:50:03 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -29,6 +29,14 @@
#include "lualib.h"
+#if !defined(lua_checkmode)
+
+/*
+** this macro can accept other 'modes' for 'fopen' besides the standard ones
+*/
+#define lua_checkmode(mode) 0
+
+#endif
/*
** {======================================================
@@ -217,7 +225,7 @@ static int io_open (lua_State *L) {
if (!(mode[i] != '\0' && strchr("rwa", mode[i++]) != NULL &&
(mode[i] != '+' || ++i) && /* skip if char is '+' */
(mode[i] != 'b' || ++i) && /* skip if char is 'b' */
- (mode[i] == '\0')))
+ (mode[i] == '\0')) && !lua_checkmode(mode))
return luaL_error(L, "invalid mode " LUA_QS
" (should match " LUA_QL("[rwa]%%+?b?") ")", mode);
p->f = fopen(filename, mode);