diff options
Diffstat (limited to 'newlib/libc/stdio/ftell.c')
-rw-r--r-- | newlib/libc/stdio/ftell.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/newlib/libc/stdio/ftell.c b/newlib/libc/stdio/ftell.c index 6a8061816..8066acc3b 100644 --- a/newlib/libc/stdio/ftell.c +++ b/newlib/libc/stdio/ftell.c @@ -80,6 +80,8 @@ _DEFUN (ftell, (fp), { fpos_t pos; + _flockfile(fp); + /* Ensure stdio is set up. */ CHECK_INIT (fp); @@ -87,6 +89,7 @@ _DEFUN (ftell, (fp), if (fp->_seek == NULL) { fp->_data->_errno = ESPIPE; + _funlockfile(fp); return -1L; } @@ -99,7 +102,10 @@ _DEFUN (ftell, (fp), { pos = (*fp->_seek) (fp->_cookie, (fpos_t) 0, SEEK_CUR); if (pos == -1L) - return pos; + { + _funlockfile(fp); + return pos; + } } if (fp->_flags & __SRD) { @@ -122,5 +128,6 @@ _DEFUN (ftell, (fp), pos += fp->_p - fp->_bf._base; } + _funlockfile(fp); return pos; } |