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mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
2000-07-20  Ulrich Drepper  <drepper@redhat.com>

	* libio/Makefile (tests): Add tst_wprintf2.
	(tst_wprintf2-ARGS): Define.
	* libio/tst_wprintf2.c: New file.
	Based on a test case by Yoshito Kawada <KAWADA@jp.ibm.com>.

	* libio/wfiledoalloc.c: Only allocate external buffer if this
	hasn't happened yet.

	* libio/wfileops.c (_IO_wdo_write): Overflow only if there is really
	something in the buffer.  gconv call can write up to end of the
	buffer, not only _IO_write_end.
	(_IO_wfile_overflow): Allocate also external buffer.

	* stdio-common/vfprintf.c (process_string_arg): Handle multibyte
	strings with precision in vfwprintf correctly.
	* stdio-common/vfprintf.c: Fix completely broken handling of
	unbuffered wide character streams.
	Reported by Yoshito Kawada <KAWADA@jp.ibm.com>.
This commit is contained in:
Ulrich Drepper
2000-07-20 08:56:12 +00:00
parent 4e8286acfa
commit 9c38a68999
6 changed files with 179 additions and 10 deletions

View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1993, 95, 97, 98, 99, 2000 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
Written by Ulrich Drepper <drepper@cygnus.com>.
Based on the single byte version by Per Bothner <bothner@cygnus.com>.
@ -67,7 +67,8 @@ _IO_wdo_write (fp, data, to_do)
enum __codecvt_result result;
const wchar_t *new_data;
if (fp->_IO_write_end == fp->_IO_write_ptr)
if (fp->_IO_write_end == fp->_IO_write_ptr
&& fp->_IO_write_end != fp->_IO_write_base)
{
_IO_new_file_overflow (fp, EOF);
assert (fp->_IO_write_end > fp->_IO_write_ptr);
@ -77,7 +78,7 @@ _IO_wdo_write (fp, data, to_do)
result = (*cc->__codecvt_do_out) (cc, &fp->_wide_data->_IO_state,
data, data + to_do, &new_data,
fp->_IO_write_ptr,
fp->_IO_write_end,
fp->_IO_buf_end,
&fp->_IO_write_ptr);
/* Write out what we produced so far. */
@ -289,6 +290,12 @@ _IO_wfile_overflow (f, wch)
_IO_wdoallocbuf (f);
_IO_wsetg (f, f->_wide_data->_IO_buf_base,
f->_wide_data->_IO_buf_base, f->_wide_data->_IO_buf_base);
if (f->_IO_write_base == NULL)
{
_IO_doallocbuf (f);
_IO_setg (f, f->_IO_buf_base, f->_IO_buf_base, f->_IO_buf_base);
}
}
else
{
@ -313,13 +320,18 @@ _IO_wfile_overflow (f, wch)
f->_wide_data->_IO_read_base = f->_wide_data->_IO_read_ptr =
f->_wide_data->_IO_read_end;
f->_IO_write_ptr = f->_IO_read_ptr;
f->_IO_write_base = f->_IO_write_ptr;
f->_IO_write_end = f->_IO_buf_end;
f->_IO_read_base = f->_IO_read_ptr = f->_IO_read_end;
f->_flags |= _IO_CURRENTLY_PUTTING;
if (f->_flags & (_IO_LINE_BUF+_IO_UNBUFFERED))
f->_wide_data->_IO_write_end = f->_wide_data->_IO_write_ptr;
}
if (wch == WEOF)
return _IO_do_flush (f);
if (f->_wide_data->_IO_write_ptr == f->_wide_data->_IO_buf_end )
if (f->_wide_data->_IO_write_ptr == f->_wide_data->_IO_buf_end)
/* Buffer is really full */
if (_IO_do_flush (f) == WEOF)
return WEOF;