diff options
Diffstat (limited to 'lib/libc/stdio/ftell.c')
| -rw-r--r-- | lib/libc/stdio/ftell.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c index 46a309c..33184c5 100644 --- a/lib/libc/stdio/ftell.c +++ b/lib/libc/stdio/ftell.c @@ -75,7 +75,7 @@ off_t ftello(fp) register FILE *fp; { - register fpos_t pos; + register fpos_t pos, spos; size_t n; if (fp->_seek == NULL) { @@ -103,6 +103,7 @@ ftello(fp) * those from ungetc) cause the position to be * smaller than that in the underlying object. */ + spos = pos; pos -= fp->_r; if (pos < 0) { if (HASUB(fp)) { @@ -110,9 +111,9 @@ ftello(fp) fp->_r += pos; pos = 0; } else { - errno = EBADF; - FUNLOCKFILE(fp); - return (-1); + fp->_p = fp->_bf._base; + fp->_r = 0; + pos = spos; } } if (HASUB(fp)) { @@ -123,9 +124,10 @@ ftello(fp) fp->_r += pos; pos = 0; } else { - errno = EBADF; - FUNLOCKFILE(fp); - return (-1); + fp->_p = fp->_bf._base; + fp->_r = 0; + FREEUB(fp); + pos = spos; } } } |
