diff options
Diffstat (limited to 'libio/freopen.c')
| -rw-r--r-- | libio/freopen.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libio/freopen.c b/libio/freopen.c index 22fa13a..829af31 100644 --- a/libio/freopen.c +++ b/libio/freopen.c @@ -1,5 +1,5 @@ /* -Copyright (C) 1993, 1995 Free Software Foundation +Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc. This file is part of the GNU IO Library. This library is free software; you can redistribute it and/or modify it under the @@ -31,8 +31,12 @@ freopen (filename, mode, fp) const char* mode; FILE* fp; { + FILE *result; CHECK_FILE (fp, NULL); if (!(fp->_flags & _IO_IS_FILEBUF)) return NULL; - return _IO_freopen (filename, mode, fp); + flockfile (fp); + result = _IO_freopen (filename, mode, fp); + funlockfile (fp); + return result; } |