diff options
Diffstat (limited to 'libc/stdio/fileext.h')
-rw-r--r-- | libc/stdio/fileext.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libc/stdio/fileext.h b/libc/stdio/fileext.h new file mode 100644 index 0000000..2d07043 --- /dev/null +++ b/libc/stdio/fileext.h @@ -0,0 +1,54 @@ +/* $OpenBSD: fileext.h,v 1.2 2005/06/17 20:40:32 espie Exp $ */ +/* $NetBSD: fileext.h,v 1.5 2003/07/18 21:46:41 nathanw Exp $ */ + +/*- + * Copyright (c)2001 Citrus Project, + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Citrus$ + */ + +/* + * file extension + */ +struct __sfileext { + struct __sbuf _ub; /* ungetc buffer */ + struct wchar_io_data _wcio; /* wide char io status */ +}; + +#define _EXT(fp) ((struct __sfileext *)((fp)->_ext._base)) +#define _UB(fp) _EXT(fp)->_ub + +#define _FILEEXT_INIT(fp) \ +do { \ + _UB(fp)._base = NULL; \ + _UB(fp)._size = 0; \ + WCIO_INIT(fp); \ +} while (0) + +#define _FILEEXT_SETUP(f, fext) \ +do { \ + (f)->_ext._base = (unsigned char *)(fext); \ + _FILEEXT_INIT(f); \ +} while (0) |