/* $NetBSD: local.h,v 1.20 2005/05/14 23:51:02 christos Exp $ */ /*- * Copyright (c) 1990, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Chris Torek. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)local.h 8.3 (Berkeley) 7/3/94 */ #include "wcio.h" #include "fileext.h" /* * Information local to this implementation of stdio, * in particular, macros and private variables. */ extern int __sflush __P((FILE *)); extern FILE *__sfp __P((void)); extern int __srefill __P((FILE *)); extern int __sread __P((void *, char *, int)); extern int __swrite __P((void *, char const *, int)); extern fpos_t __sseek __P((void *, fpos_t, int)); extern int __sclose __P((void *)); extern void __sinit __P((void)); extern void _cleanup __P((void)); extern void (*__cleanup) __P((void)); extern void __smakebuf __P((FILE *)); extern int __swhatbuf __P((FILE *, size_t *, int *)); extern int _fwalk __P((int (*)(FILE *))); extern char *_mktemp __P((char *)); extern int __swsetup __P((FILE *)); extern int __sflags __P((const char *, int *)); extern int __svfscanf __P((FILE * __restrict, const char * __restrict, _BSD_VA_LIST_)) __attribute__((__format__(__scanf__, 2, 0))); extern int __svfscanf_unlocked __P((FILE * __restrict, const char * __restrict, _BSD_VA_LIST_)) __attribute__((__format__(__scanf__, 2, 0))); extern int __vfprintf_unlocked __P((FILE * __restrict, const char * __restrict, _BSD_VA_LIST_)); extern int __sdidinit; extern int __gettemp __P((char *, int *, int)); extern wint_t __fgetwc_unlock __P((FILE *)); extern wint_t __fputwc_unlock __P((wchar_t, FILE *)); extern char *__fgetstr __P((FILE * __restrict, size_t * __restrict, int)); extern int __slbexpand __P((FILE *, size_t)); extern int __vfwprintf_unlocked __P((FILE *, const wchar_t *, _BSD_VA_LIST_)); extern int __vfwscanf_unlocked __P((FILE * __restrict, const wchar_t * __restrict, _BSD_VA_LIST_)); /* * Return true iff the given FILE cannot be written now. */ #define cantwrite(fp) \ ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \ __swsetup(fp)) /* * Test whether the given stdio file has an active ungetc buffer; * release such a buffer, without restoring ordinary unread data. */ #define HASUB(fp) (_UB(fp)._base != NULL) #define FREEUB(fp) { \ if (_UB(fp)._base != (fp)->_ubuf) \ free((char *)_UB(fp)._base); \ _UB(fp)._base = NULL; \ } /* * test for an fgetln() buffer. */ #define HASLB(fp) ((fp)->_lb._base != NULL) #define FREELB(fp) { \ free((char *)(fp)->_lb._base); \ (fp)->_lb._base = NULL; \ } extern void __flockfile_internal __P((FILE *, int)); extern void __funlockfile_internal __P((FILE *, int));