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| author | Ulrich Drepper <drepper@cygnus.com> | 1998-08-25 14:39:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gcc.gnu.org> | 1998-08-25 14:39:39 +0000 |
| commit | e94bc5f266e82c9c2f7c7441373cf63e859f932d (patch) | |
| tree | e4855d958744f0300da2a54975ddb72a105a700d | |
| parent | 55895a7a348f8641fed1925242f16108f1beef5a (diff) | |
| download | gcc-e94bc5f266e82c9c2f7c7441373cf63e859f932d.zip gcc-e94bc5f266e82c9c2f7c7441373cf63e859f932d.tar.gz gcc-e94bc5f266e82c9c2f7c7441373cf63e859f932d.tar.bz2 | |
(_IO_getline_info): Don't read anything for N==0.
From-SVN: r21973
| -rw-r--r-- | libio/ChangeLog | 5 | ||||
| -rw-r--r-- | libio/iogetline.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/libio/ChangeLog b/libio/ChangeLog index ee9ce72..90a521c 100644 --- a/libio/ChangeLog +++ b/libio/ChangeLog @@ -1,3 +1,8 @@ +1998-08-25 14:34 Ulrich Drepper <drepper@cygnus.com> + + * libio/iogetline.c (_IO_getline_info): Don't read anything for + N == 0. Patch by HJ Lu. + 1998-08-23 Mark Mitchell <mark@markmitchell.com> * iomanip.h: Use __extension__ for `extern' explicit template diff --git a/libio/iogetline.c b/libio/iogetline.c index 631db78..5aac9b5 100644 --- a/libio/iogetline.c +++ b/libio/iogetline.c @@ -58,7 +58,7 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof) { char *ptr = buf; if (eof) *eof = 0; - do + while (n != 0) { _IO_ssize_t len = fp->_IO_read_end - fp->_IO_read_ptr; if (len <= 0) @@ -105,7 +105,7 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof) ptr += len; n -= len; } - } while (n != 0); + } return ptr - buf; } |