diff options
| -rw-r--r-- | src/w32.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/w32.c b/src/w32.c index 1fdb47383cb..f5ea84a6111 100644 --- a/src/w32.c +++ b/src/w32.c @@ -1,5 +1,5 @@ /* Utility and Unix shadow routines for GNU Emacs on the Microsoft W32 API. - Copyright (C) 1994, 1995 Free Software Foundation, Inc. + Copyright (C) 1994, 1995, 2000, 2001 Free Software Foundation, Inc. This file is part of GNU Emacs. @@ -1819,8 +1819,14 @@ sys_mktemp (char * template) int sys_open (const char * path, int oflag, int mode) { - /* Force all file handles to be non-inheritable. */ - return _open (map_w32_filename (path, NULL), oflag | _O_NOINHERIT, mode); + const char* mpath = map_w32_filename (path, NULL); + /* Try to open file without _O_CREAT, to be able to write to hidden + and system files. Force all file handles to be + non-inheritable. */ + int res = _open (mpath, (oflag & ~_O_CREAT) | _O_NOINHERIT, mode); + if (res >= 0) + return res; + return _open (mpath, oflag | _O_NOINHERIT, mode); } int |