diff options
Diffstat (limited to 'lib/libc/stdio/ftell.c')
| -rw-r--r-- | lib/libc/stdio/ftell.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c index a0fd17537559..7784c672ab04 100644 --- a/lib/libc/stdio/ftell.c +++ b/lib/libc/stdio/ftell.c @@ -97,7 +97,7 @@ _ftello(fp, offset) register FILE *fp; fpos_t *offset; { - register fpos_t pos, spos; + register fpos_t pos; size_t n; if (fp->_seek == NULL) { @@ -109,12 +109,10 @@ _ftello(fp, offset) * Find offset of underlying I/O object, then * adjust for buffered bytes. */ - if (fp->_flags & __SOFF) { + if (fp->_flags & __SOFF) pos = fp->_offset; - spos = -1; - } else { -get_real_pos: - spos = pos = (*fp->_seek)(fp->_cookie, (fpos_t)0, SEEK_CUR); + else { + pos = (*fp->_seek)(fp->_cookie, (fpos_t)0, SEEK_CUR); if (pos == -1) return (1); } @@ -125,17 +123,9 @@ get_real_pos: * smaller than that in the underlying object. */ if ((pos -= (HASUB(fp) ? fp->_ur : fp->_r)) < 0) { - /* Lost position, resync. */ - if (HASUB(fp)) { - fp->_extra->_up = fp->_bf._base; - fp->_ur = 0; - } else { - fp->_p = fp->_bf._base; - fp->_r = 0; - } - if (spos == -1) - goto get_real_pos; - pos = spos; + fp->_flags |= __SERR; + errno = EIO; + return (1); } if (HASUB(fp)) pos -= fp->_r; /* Can be negative at this point. */ |