root/usr/src/head/iso/stdio_iso.h
/*
 * CDDL HEADER START
 *
 * 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.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 * Copyright 2014 PALO, Richard.
 *
 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1988 AT&T */
/*        All Rights Reserved   */

/*
 * An application should not include this header directly.  Instead it
 * should be included only through the inclusion of other Sun headers.
 *
 * The contents of this header is limited to identifiers specified in the
 * C Standard.  Any new identifiers specified in future amendments to the
 * C Standard must be placed in this header.  If these new identifiers
 * are required to also be in the C++ Standard "std" namespace, then for
 * anything other than macro definitions, corresponding "using" directives
 * must also be added to <stdio.h>.
 */

/*
 * User-visible pieces of the ANSI C standard I/O package.
 */

#ifndef _ISO_STDIO_ISO_H
#define _ISO_STDIO_ISO_H

#include <sys/feature_tests.h>
#include <sys/null.h>
#include <sys/va_list.h>
#include <stdio_tag.h>
#include <stdio_impl.h>

/*
 * If feature test macros are set that enable interfaces that use types
 * defined in <sys/types.h>, get those types by doing the include.
 *
 * Note that in asking for the interfaces associated with this feature test
 * macro one also asks for definitions of the POSIX types.
 */

#ifdef  __cplusplus
extern "C" {
#endif

#if !defined(_LP64) && (_FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE))
/*
 * The following typedefs are adopted from ones in <sys/types.h> (with leading
 * underscores added to avoid polluting the ANSI C name space).  See the
 * commentary there for further explanation.
 */
#if defined(_LONGLONG_TYPE)
typedef long long       __longlong_t;
#else
/* used to reserve space and generate alignment */
typedef union {
        double  _d;
        int     _l[2];
} __longlong_t;
#endif
#endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE) */

#if __cplusplus >= 199711L
namespace std {
#endif

#if !defined(_FILEDEFED) || __cplusplus >= 199711L
#define _FILEDEFED
typedef __FILE FILE;
#endif

#if !defined(_SIZE_T) || __cplusplus >= 199711L
#define _SIZE_T
#if defined(_LP64)
typedef unsigned long   size_t;         /* size of something in bytes */
#else
typedef unsigned int    size_t;         /* (historical version) */
#endif
#endif  /* !_SIZE_T */

#if defined(_LP64) || _FILE_OFFSET_BITS == 32
typedef long            fpos_t;
#else
typedef __longlong_t    fpos_t;
#endif

#if __cplusplus >= 199711L
}
#endif /* end of namespace std */

#define BUFSIZ  1024

/*
 * The value of _NFILE is defined in the Processor Specific ABI.  The value
 * is chosen for historical reasons rather than for truly processor related
 * attribute.  Note that the SPARC Processor Specific ABI uses the common
 * UNIX historical value of 20 so it is allowed to fall through.
 */
#if defined(__i386)
#define _NFILE  60      /* initial number of streams: Intel x86 ABI */
#else
#define _NFILE  20      /* initial number of streams: SPARC ABI and default */
#endif

#define _SBFSIZ 8       /* compatibility with shared libs */

#define _IOFBF          0000    /* full buffered */
#define _IOLBF          0100    /* line buffered */
#define _IONBF          0004    /* not buffered */
#define _IOEOF          0020    /* EOF reached on read */
#define _IOERR          0040    /* I/O error from system */

#define _IOREAD         0001    /* currently reading */
#define _IOWRT          0002    /* currently writing */
#define _IORW           0200    /* opened for reading and writing */
#define _IOMYBUF        0010    /* stdio malloc()'d buffer */

#ifndef EOF
#define EOF     (-1)
#endif

#define FOPEN_MAX       _NFILE
#define FILENAME_MAX    1024    /* max # of characters in a path name */

#define SEEK_SET        0
#define SEEK_CUR        1
#define SEEK_END        2
#define TMP_MAX         17576   /* 26 * 26 * 26 */

#define L_tmpnam        25      /* (sizeof(P_tmpdir) + 15) */

extern __FILE   __iob[_NFILE];
#define stdin   (&__iob[0])
#define stdout  (&__iob[1])
#define stderr  (&__iob[2])

#if __cplusplus >= 199711L
namespace std {
#endif

#if !defined(_LP64) && !defined(_LONGLONG_TYPE)

#ifdef __PRAGMA_REDEFINE_EXTNAME
#pragma redefine_extname fprintf        _fprintf_c89
#pragma redefine_extname printf         _printf_c89
#pragma redefine_extname sprintf        _sprintf_c89
#pragma redefine_extname vfprintf       _vfprintf_c89
#pragma redefine_extname vprintf        _vprintf_c89
#pragma redefine_extname vsprintf       _vsprintf_c89
#pragma redefine_extname fscanf         _fscanf_c89
#pragma redefine_extname scanf          _scanf_c89
#pragma redefine_extname sscanf         _sscanf_c89
#else
#define fprintf         _fprintf_c89
#define printf          _printf_c89
#define sprintf         _sprintf_c89
#define vfprintf        _vfprintf_c89
#define vprintf         _vprintf_c89
#define vsprintf        _vsprintf_c89
#define fscanf          _fscanf_c89
#define scanf           _scanf_c89
#define sscanf          _sscanf_c89
#endif

#endif /* !defined(_LP64) && !defined(_LONGLONG_TYPE) */

extern int      remove(const char *);
extern int      rename(const char *, const char *);
extern FILE     *tmpfile(void);
extern char     *tmpnam(char *);
extern int      fclose(FILE *);
extern int      fflush(FILE *);
extern FILE     *fopen(const char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD);
extern FILE     *freopen(const char *_RESTRICT_KYWD,
                        const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
extern void     setbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
extern int      setvbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD, int,
                        size_t);
/* PRINTFLIKE2 */
extern int      fprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
/* SCANFLIKE2 */
extern int      fscanf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
/* PRINTFLIKE1 */
extern int      printf(const char *_RESTRICT_KYWD, ...);
/* SCANFLIKE1 */
extern int      scanf(const char *_RESTRICT_KYWD, ...);
/* PRINTFLIKE2 */
extern int      sprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
/* SCANFLIKE2 */
extern int      sscanf(const char *_RESTRICT_KYWD,
                        const char *_RESTRICT_KYWD, ...);
extern int      vfprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
                        __va_list);
extern int      vprintf(const char *_RESTRICT_KYWD, __va_list);
extern int      vsprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
                        __va_list);
extern int      fgetc(FILE *);
extern char     *fgets(char *_RESTRICT_KYWD, int, FILE *_RESTRICT_KYWD);
extern int      fputc(int, FILE *);
extern int      fputs(const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
#if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
        __cplusplus < 199711L
extern int      getc(FILE *);
extern int      putc(int, FILE *);
#endif
#if (__cplusplus >= 199711L && defined(_REENTRANT)) || \
        __cplusplus < 199711L
extern int      getchar(void);
extern int      putchar(int);
#endif

/*
 * ISO/IEC C11 removed gets from the standard library. Therefore if a strict C11
 * environment has been requested, we remove it.
 */
#if !defined(_STDC_C11) || defined(__EXTENSIONS__)
extern char     *gets(char *);
#endif
extern int      puts(const char *);
extern int      ungetc(int, FILE *);
extern size_t   fread(void *_RESTRICT_KYWD, size_t, size_t,
        FILE *_RESTRICT_KYWD);
extern size_t   fwrite(const void *_RESTRICT_KYWD, size_t, size_t,
        FILE *_RESTRICT_KYWD);
#if !defined(__lint) || defined(_LP64) || _FILE_OFFSET_BITS == 32
extern int      fgetpos(FILE *_RESTRICT_KYWD, fpos_t *_RESTRICT_KYWD);
extern int      fsetpos(FILE *, const fpos_t *);
#endif
extern int      fseek(FILE *, long, int);
extern long     ftell(FILE *);
extern void     rewind(FILE *);
#if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
        __cplusplus < 199711L
extern void     clearerr(FILE *);
extern int      feof(FILE *);
extern int      ferror(FILE *);
#endif
extern void     perror(const char *);

#ifndef _LP64
extern int      __filbuf(FILE *);
extern int      __flsbuf(int, FILE *);
#endif  /*      _LP64   */

#if __cplusplus >= 199711L
}
#endif /* end of namespace std */

#if !defined(__lint)

#if     !defined(_REENTRANT) && !defined(_LP64)

#if __cplusplus >= 199711L
namespace std {
inline int getc(FILE *_p) {
        return (--_p->_cnt < 0 ? __filbuf(_p) : (int)*_p->_ptr++); }
inline int putc(int _x, FILE *_p) {
        return (--_p->_cnt < 0 ? __flsbuf(_x, _p)
                : (int)(*_p->_ptr++ = (unsigned char) _x)); }
}
#else /* __cplusplus >= 199711L */
#define getc(p)         (--(p)->_cnt < 0 ? __filbuf(p) : (int)*(p)->_ptr++)
#define putc(x, p)      (--(p)->_cnt < 0 ? __flsbuf((x), (p)) \
                                : (int)(*(p)->_ptr++ = (unsigned char) (x)))
#endif /* __cplusplus >= 199711L */

#endif /* !defined(_REENTRANT) && !defined(_LP64) */

#ifndef _REENTRANT

#if __cplusplus >= 199711L
namespace std {
inline int getchar() { return getc(stdin); }
inline int putchar(int _x) { return putc(_x, stdout); }
}
#else
#define getchar()       getc(stdin)
#define putchar(x)      putc((x), stdout)
#endif /* __cplusplus >= 199711L */

#ifndef _LP64
#if __cplusplus >= 199711L
namespace std {
inline void clearerr(FILE *_p) { _p->_flag &= ~(_IOERR | _IOEOF); }
inline int feof(FILE *_p) { return _p->_flag & _IOEOF; }
inline int ferror(FILE *_p) { return _p->_flag & _IOERR; }
}
#else /* __cplusplus >= 199711L */
#define clearerr(p)     ((void)((p)->_flag &= ~(_IOERR | _IOEOF)))
#define feof(p)         ((p)->_flag & _IOEOF)
#define ferror(p)       ((p)->_flag & _IOERR)
#endif /* __cplusplus >= 199711L */
#endif  /* _LP64 */

#endif  /* _REENTRANT */

#endif  /* !defined(__lint) */

#ifdef  __cplusplus
}
#endif

#endif  /* _ISO_STDIO_ISO_H */