diff options
Diffstat (limited to 'lib/libc/stdio')
| -rw-r--r-- | lib/libc/stdio/ftell.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c index 61ebee9..152617f 100644 --- a/lib/libc/stdio/ftell.c +++ b/lib/libc/stdio/ftell.c @@ -118,15 +118,14 @@ _ftello(FILE *fp, fpos_t *offset) } if (HASUB(fp)) pos -= fp->_r; /* Can be negative at this point. */ - } else if ((fp->_flags & __SWR) && fp->_p != NULL) { + } else if ((fp->_flags & __SWR) && fp->_p != NULL && + (n = fp->_p - fp->_bf._base) > 0) { /* * Writing. Any buffered characters cause the * position to be greater than that in the * underlying object. */ - n = fp->_p - fp->_bf._base; - if (n > 0 && - ((fp->_flags & __SAPP) || (fp->_flags2 & __S2OAP))) { + if ((fp->_flags & __SAPP) || (fp->_flags2 & __S2OAP)) { int serrno = errno; errno = 0; |
