+++ /dev/null
-/* @(#)schilyio.h 2.31 16/11/06 Copyright 1986, 1995-2016 J. Schilling */
-/*
- * Copyright (c) 1986, 1995-2016 J. Schilling
- */
-/*
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
- *
- * See the file CDDL.Schily.txt in this distribution for details.
- * A copy of the CDDL is also available via the Internet at
- * http://www.opensource.org/licenses/cddl1.txt
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file CDDL.Schily.txt from this distribution.
- */
-
-#ifndef _STDIO_SCHILYIO_H
-#define _STDIO_SCHILYIO_H
-
-#include <schily/mconfig.h>
-#include <schily/stdio.h>
-#include <schily/standard.h>
-#include <schily/types.h>
-#include <schily/unistd.h>
-#include <schily/fcntl.h>
-#include <schily/schily.h>
-#include <schily/errno.h>
-
-#ifdef NO_USG_STDIO
-# ifdef HAVE_USG_STDIO
-# undef HAVE_USG_STDIO
-# endif
-#endif
-
-#ifdef HAVE_LARGEFILES
-/*
- * XXX We may need to put this code to a more global place to allow all
- * XXX users of fseek()/ftell() to automaticaly use fseeko()/ftello()
- * XXX if the latter are available.
- *
- * If HAVE_LARGEFILES is defined, it is guaranteed that fseeko()/ftello()
- * both are available.
- */
-# define fseek fseeko
-# define ftell ftello
-
-#else /* !HAVE_LARGEFILES */
-/*
- * If HAVE_LARGEFILES is not defined, we depend on specific tests for
- * fseeko()/ftello() which must have been done before the tests for
- * Large File support have been done.
- * Note that this only works if the tests used below are really done before
- * the Large File autoconf test is run. This is because autoconf does no
- * clean testing but instead cumulatively modifes the envivonment used for
- * testing.
- */
-#ifdef HAVE_FSEEKO
-# define fseek fseeko
-#endif
-#ifdef HAVE_FTELLO
-# define ftell ftello
-#endif
-
-#endif
-
-/*
- * speed things up...
- */
-#ifndef _OPENFD_SRC
-#ifdef _openfd
-#undef _openfd
-#endif
-#define _openfd(name, omode) (open(name, omode, (mode_t)0666))
-#endif
-
-#define DO_MYFLAG /* use local flags */
-
-/*
- * Flags used during fileopen(), ... by _fcons()/ _cvmod()
- */
-#define FI_NONE 0x0000 /* no flags defined */
-
-#define FI_READ 0x0001 /* open for reading */
-#define FI_WRITE 0x0002 /* open for writing */
-#define FI_BINARY 0x0004 /* open in binary mode */
-#define FI_APPEND 0x0008 /* append on each write */
-
-#define FI_CREATE 0x0010 /* create if nessecary */
-#define FI_TRUNC 0x0020 /* truncate file on open */
-#define FI_UNBUF 0x0080 /* dont't buffer io */
-#define FI_CLOSE 0x1000 /* close file on error */
-
-/*
- * Additional Schily FILE * flags that are not present with the
- * standard stdio implementation.
- */
-#define _JS_IONORAISE 01 /* do no raisecond() on errors */
-#define _JS_IOUNBUF 02 /* do unbuffered i/o */
-
-
-#ifdef DO_MYFLAG
-
-struct _io_flags {
- FILE *fl_io; /* file pointer */
- struct _io_flags /* pointer to next struct */
- *fl_next; /* if more file pointer to same fd */
- int fl_flags; /* my flags */
-};
-
-typedef struct _io_flags _io_fl;
-
-extern int _io_glflag; /* global default flag */
-extern _io_fl *_io_myfl; /* array of structs to hold my flags */
-extern int _fl_max; /* max fd currently in _io_myfl */
-
-/*
- * if fileno > max
- * expand
- * else if map[fileno].pointer == 0
- * return 0
- * else if map[fileno].pointer == p
- * return map[fileno].flags
- * else
- * search list
- */
-#define flp(p) (&_io_myfl[fileno(p)])
-
-#ifdef MY_FLAG_IS_MACRO
-#define my_flag(p) ((int)fileno(p) >= _fl_max ? \
- _io_get_my_flag(p) : \
- ((flp(p)->fl_io == 0 || flp(p)->fl_io == p) ? \
- flp(p)->fl_flags : \
- _io_get_my_flag(p)))
-#else
-#define my_flag(p) _io_get_my_flag(p)
-#endif
-
-#define set_my_flag(p, v) _io_set_my_flag(p, v)
-#define add_my_flag(p, v) _io_add_my_flag(p, v)
-
-extern int _io_get_my_flag __PR((FILE *));
-extern void _io_set_my_flag __PR((FILE *, int));
-extern void _io_add_my_flag __PR((FILE *, int));
-
-#else /* DO_MYFLAG */
-
-#define my_flag(p) _JS_IONORAISE /* Always noraise */
-#define set_my_flag(p, v) /* Ignore */
-#define add_my_flag(p, v) /* Ignore */
-
-#endif /* DO_MYFLAG */
-
-#if defined(HAVE_USG_STDIO) || defined(FAST_GETC_PUTC)
-/*
- * We are on a system with AT&T compatible stdio implementation
- */
-
-/*
- * Use the right filbuf()/flsbuf() function.
- */
-#ifdef FAST_GETC_PUTC
-
-#define __c (struct SCHILY__FILE_TAG *)
-
-#ifndef HAVE___FILBUF
-#define HAVE___FILBUF
-#endif
-#endif
-#ifdef HAVE___FILBUF
-# define usg_filbuf(fp) __filbuf(fp)
-# define usg_flsbuf(c, fp) __flsbuf(c, fp)
-/*
- * Define prototypes to verify if our interface is right
- */
-extern int __filbuf __PR((FILE *));
-#else /* !HAVE___FILBUF */
-# ifdef HAVE__FILBUF
-# define usg_filbuf(fp) _filbuf(fp)
-# define usg_flsbuf(c, fp) _flsbuf(c, fp)
-/*
- * Define prototypes to verify if our interface is right
- */
-extern int _filbuf __PR((FILE *));
-# else
-/*
- * no filbuf() but this will not happen on USG_STDIO systems.
- */
-# endif
-#endif /* !HAVE___FILBUF */
-/*
- * Do not check this because flsbuf()'s 1st parameter may be
- * int SunOS
- * unsigned int Apollo
- * unsigned char HP-UX-11
- *
- * Note that the interface is now checked by autoconf.
- */
-#else /* !HAVE_USG_STDIO */
-/*
- * If we are on a non USG system we cannot down file pointers
- * and we do not know about the internals of the FILE structure.
- */
-#undef DO_DOWN
-#endif /* !HAVE_USG_STDIO */
-
-#ifndef __c
-#define __c
-#endif
-
-#ifndef DO_DOWN
-/*
- * No stream checking
- */
-#define down(f)
-#define down1(f, fl1)
-#define down2(f, fl1, fl2)
-#else
-/*
- * Do stream checking (works only on USG stdio)
- *
- * New version of USG stdio.
- * _iob[] holds only a small amount of pointers.
- * Aditional space is allocated.
- * We may check only if the file pointer is != NULL
- * and if iop->_flag refers to a stream with appropriate modes.
- * If _iob[] gets expanded by malloc() we cannot check upper bound.
- */
-#define down(f) ((f) == 0 || (__c f)->_flag == 0 ? \
- (raisecond(_badfile, 0L), (FILE *)0) : (f))
-
-#define down1(f, fl1) ((f) == 0 || (__c f)->_flag == 0 ? \
- (raisecond(_badfile, 0L), (FILE *)0) : \
- (((__c f)->_flag & fl1) != fl1 ? \
- (raisecond(_badop, 0L), (FILE *)0) : \
- (f)))
-
-#define down2(f, fl1, fl2) ((f) == 0 || (__c f)->_flag == 0 ? \
- (raisecond(_badfile, 0L), (FILE *)0) : \
- (((__c f)->_flag & fl1) != fl1 && \
- ((__c f)->_flag & fl2) != fl2 ? \
- (raisecond(_badop, 0L), (FILE *)0) : \
- (f)))
-#endif /* DO_DOWN */
-
-extern char _badfile[];
-extern char _badmode[];
-extern char _badop[];
-
-#endif /* _STDIO_SCHILYIO_H */
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