reactos/sdk/tools/mkisofs/schilytools/include/schily/stdio.h

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/* @(#)stdio.h 1.14 16/11/06 Copyright 2009-2016 J. Schilling */
/*
* Abstraction from stdio.h
*
* Copyright (c) 2009-2016 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 _SCHILY_STDIO_H
#define _SCHILY_STDIO_H
#ifndef NO_SCHILY_STDIO_H /* We #undef _SCHILY_STDIO_H later because */
/* of the ill designed "hdrchk" program */
#ifndef _SCHILY_MCONFIG_H
#include <schily/mconfig.h>
#endif
#ifdef INCL_MYSTDIO
#ifndef _INCL_MYSTDIO_H
#include <mystdio.h>
#define _INCL_MYSTDIO_H
#endif
#else /* INCL_MYSTDIO */
#ifndef _INCL_STDIO_H
#include <stdio.h>
#define _INCL_STDIO_H
#endif
#endif /* INCL_MYSTDIO */
#ifdef __cplusplus
extern "C" {
#endif
#ifdef HAVE_LARGEFILES
/*
* 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
#if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
#define popen(c, m) _popen((c), (m))
#endif
#if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
#define pclose(fp) _pclose(fp)
#endif
#ifdef FAST_GETC_PUTC
/*
* The following code partially allows libschily to access FILE * as fast as
* from inside libc on Solaris.
* This makes it possible to implement js_printf() from libschily aprox.
* 33% faster than printf() from libc on Solaris. To do this, we
* partially unhide the FILE structure in a 64 bit environment on Solaris
* to allow to run putc_unlocked() as a marcro.
*
* If you believe you can do this on onther platforms, send a note.
*/
#if defined(__SVR4) && defined(__sun) && defined(_LP64)
#ifndef _SCHILY_TYPES_H
#include <schily/types.h> /* Needed for ssize_t */
#endif
/*
* This is how the 64 bit FILE * begins on Solaris.
*/
struct SCHILY__FILE_TAG {
unsigned char *_ptr; /* next character from/to here in buffer */
unsigned char *_base; /* the buffer */
unsigned char *_end; /* the end of the buffer */
ssize_t _cnt; /* number of available characters in buffer */
};
#define __getc_unlocked(p) (--(p)->_cnt < 0 \
? __filbuf((FILE *)p) \
: (int)*(p)->_ptr++)
#define getc_unlocked(p) __getc_unlocked((struct SCHILY__FILE_TAG *)p)
#define __putc_unlocked(x, p) (--(p)->_cnt < 0 \
? __flsbuf((x), (FILE *)(p)) \
: (int)(*(p)->_ptr++ = \
(unsigned char) (x)))
#define putc_unlocked(x, p) __putc_unlocked(x, (struct SCHILY__FILE_TAG *)p)
extern int __filbuf __PR((FILE *));
extern int __flsbuf __PR((int, FILE *));
#else /* !defined(__SVR4) && defined(__sun) && defined(_LP64) */
#undef FAST_GETC_PUTC
#endif /* !defined(__SVR4) && defined(__sun) && defined(_LP64) */
#endif /* FAST_GETC_PUTC */
#ifdef __cplusplus
}
#endif
#else /* !NO_SCHILY_STDIO_H */
#undef _SCHILY_STDIO_H /* #undef here to pass "hdrchk" */
#endif /* NO_SCHILY_STDIO_H */
#endif /* _SCHILY_STDIO_H */