/* Word-wrapping and line-truncating streams
- Copyright (C) 1997,1998,1999,2001,2002,2003 Free Software Foundation, Inc.
+ Copyright (C) 1997-1999,2001,2002,2003,2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Miles Bader <miles@gnu.ai.mit.edu>.
- This program is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This package emulates glibc `line_wrap_stream' semantics for systems that
don't have that. */
#ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
#endif
#include <stdlib.h>
if (fs->p > fs->buf)
{
#ifdef USE_IN_LIBIO
- if (_IO_fwide (fs->stream, 0) > 0)
- __fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
- else
+ __fxprintf (fs->stream, "%.*s", (int) (fs->p - fs->buf), fs->buf);
+#else
+ fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
#endif
- fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
}
free (fs->buf);
free (fs);
Oh well. Put it on an overlong line by itself. */
p = buf + (r + 1 - fs->point_col);
/* Find the end of the long word. */
- do
- ++p;
- while (p < nl && !isblank (*p));
+ if (p < nl)
+ do
+ ++p;
+ while (p < nl && !isblank (*p));
if (p == nl)
{
/* It already ends a line. No fussing required. */
else
/* Output the first line so we can use the space. */
{
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (fs->stream, 0) > 0)
- __fwprintf (fs->stream, L"%.*s\n",
- (int) (nl - fs->buf), fs->buf);
- else
+#ifdef _LIBC
+ __fxprintf (fs->stream, "%.*s\n",
+ (int) (nl - fs->buf), fs->buf);
+#else
+ if (nl > fs->buf)
+ fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
+ putc_unlocked ('\n', fs->stream);
#endif
- {
- if (nl > fs->buf)
- fwrite_unlocked (fs->buf, 1, nl - fs->buf, fs->stream);
- putc_unlocked ('\n', fs->stream);
- }
+
len += buf - fs->buf;
nl = buf = fs->buf;
}
/* Flush FS's buffer. */
__argp_fmtstream_update (fs);
-#ifdef USE_IN_LIBIO
- if (_IO_fwide (fs->stream, 0) > 0)
- {
- __fwprintf (fs->stream, L"%.*s", (int) (fs->p - fs->buf), fs->buf);
- wrote = fs->p - fs->buf;
- }
- else
+#ifdef _LIBC
+ __fxprintf (fs->stream, "%.*s", (int) (fs->p - fs->buf), fs->buf);
+ wrote = fs->p - fs->buf;
+#else
+ wrote = fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
#endif
- wrote = fwrite_unlocked (fs->buf, 1, fs->p - fs->buf, fs->stream);
if (wrote == fs->p - fs->buf)
{
fs->p = fs->buf;
if ((size_t) (fs->end - fs->buf) < amount)
/* Gotta grow the buffer. */
{
- size_t new_size = fs->end - fs->buf + amount;
- char *new_buf = realloc (fs->buf, new_size);
+ size_t old_size = fs->end - fs->buf;
+ size_t new_size = old_size + amount;
+ char *new_buf;
- if (! new_buf)
+ if (new_size < old_size || ! (new_buf = realloc (fs->buf, new_size)))
{
__set_errno (ENOMEM);
return 0;