diff options
Diffstat (limited to 'newlib/libc/stdio/freopen.c')
| -rw-r--r-- | newlib/libc/stdio/freopen.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/newlib/libc/stdio/freopen.c b/newlib/libc/stdio/freopen.c index 63f583375..ea61f0463 100644 --- a/newlib/libc/stdio/freopen.c +++ b/newlib/libc/stdio/freopen.c @@ -76,12 +76,15 @@ _DEFUN (freopen, (file, mode, fp), int flags, oflags, e; struct _reent *ptr; + _flockfile(fp); + CHECK_INIT (fp); ptr = fp->_data; if ((flags = __sflags (ptr, mode, &oflags)) == 0) { (void) fclose (fp); + _funlockfile(fp); return NULL; } @@ -137,6 +140,7 @@ _DEFUN (freopen, (file, mode, fp), { /* did not get it after all */ fp->_flags = 0; /* set it free */ ptr->_errno = e; /* restore in case _close clobbered */ + _funlockfile(fp); return NULL; } @@ -153,5 +157,6 @@ _DEFUN (freopen, (file, mode, fp), fp->_flags |= __SCLE; #endif + _funlockfile(fp); return fp; } |