/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2025 Hans Rosenfeld
 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 */

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

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

#ifndef _STDIO_H
#define _STDIO_H

#include <sys/feature_tests.h>

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * Do all of our 'redefine_extname' processing before
 * declarations of the associated functions are seen.
 * This is necessary to keep gcc happy.
 */
#if defined(__PRAGMA_REDEFINE_EXTNAME)

/* large file compilation environment setup */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#pragma redefine_extname        fopen           fopen64
#pragma redefine_extname        freopen         freopen64
#pragma redefine_extname        tmpfile         tmpfile64
#pragma redefine_extname        fgetpos         fgetpos64
#pragma redefine_extname        fsetpos         fsetpos64
#if defined(_LARGEFILE_SOURCE)
#pragma redefine_extname        fseeko          fseeko64
#pragma redefine_extname        ftello          ftello64
#endif  /* _LARGEFILE_SOURCE */
#endif  /* !defined(_LP64) && _FILE_OFFSET_BITS == 64 */

/* In the LP64 compilation environment, all APIs are already large file */
#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
#pragma redefine_extname        fopen64         fopen
#pragma redefine_extname        freopen64       freopen
#pragma redefine_extname        tmpfile64       tmpfile
#pragma redefine_extname        fgetpos64       fgetpos
#pragma redefine_extname        fsetpos64       fsetpos
#if defined(_LARGEFILE_SOURCE)
#pragma redefine_extname        fseeko64        fseeko
#pragma redefine_extname        ftello64        ftello
#endif  /* _LARGEFILE_SOURCE */
#endif  /* defined(_LP64) && defined(_LARGEFILE64_SOURCE) */

#endif  /* __PRAGMA_REDEFINE_EXTNAME */

#ifdef  __cplusplus
}
#endif

#include <iso/stdio_iso.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.
 */

/*
 * Allow global visibility for symbols defined in
 * C++ "std" namespace in <iso/stdio_iso.h>.
 */
#if __cplusplus >= 199711L
using std::FILE;
using std::size_t;
using std::fpos_t;
using std::remove;
using std::rename;
using std::tmpfile;
using std::tmpnam;
using std::fclose;
using std::fflush;
using std::fopen;
using std::freopen;
using std::setbuf;
using std::setvbuf;
using std::fprintf;
using std::fscanf;
using std::printf;
using std::scanf;
using std::sprintf;
using std::sscanf;
using std::vfprintf;
using std::vprintf;
using std::vsprintf;
using std::fgetc;
using std::fgets;
using std::fputc;
using std::fputs;
using std::getc;
using std::getchar;
using std::gets;
using std::putc;
using std::putchar;
using std::puts;
using std::ungetc;
using std::fread;
using std::fwrite;
using std::fgetpos;
using std::fseek;
using std::fsetpos;
using std::ftell;
using std::rewind;
using std::clearerr;
using std::feof;
using std::ferror;
using std::perror;
#ifndef _LP64
using std::__filbuf;
using std::__flsbuf;
#endif  /* _LP64 */
#endif  /*  __cplusplus >= 199711L */

/*
 * This header needs to be included here because it relies on the global
 * visibility of FILE and size_t in the C++ environment.
 */
#include <iso/stdio_c99.h>

#ifdef  __cplusplus
extern "C" {
#endif

#if defined(_LARGEFILE_SOURCE) || defined(_XPG5)
#ifndef _OFF_T
#define _OFF_T
#if defined(_LP64) || _FILE_OFFSET_BITS == 32
typedef long            off_t;
#else
typedef __longlong_t    off_t;
#endif
#ifdef  _LARGEFILE64_SOURCE
#ifdef _LP64
typedef off_t           off64_t;
#else
typedef __longlong_t    off64_t;
#endif
#endif /* _LARGEFILE64_SOURCE */
#endif /* _OFF_T */
#endif /* _LARGEFILE_SOURCE */

#ifdef _LARGEFILE64_SOURCE
#ifdef _LP64
typedef fpos_t          fpos64_t;
#else
typedef __longlong_t    fpos64_t;
#endif
#endif /* _LARGEFILE64_SOURCE */

/*
 * XPG4 requires that va_list be defined in <stdio.h> "as described in
 * <stdarg.h>".  ANSI-C and POSIX require that the namespace of <stdio.h>
 * not be polluted with this name.
 */
#if defined(_XPG4) && !defined(_VA_LIST)
#define _VA_LIST
typedef __va_list va_list;
#endif  /* defined(_XPG4 && !defined(_VA_LIST) */

#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
                defined(__XOPEN_OR_POSIX)

#define L_ctermid       9

/* Marked LEGACY in SUSv2 and removed in SUSv3 */
#if !defined(_XPG6) || defined(__EXTENSIONS__)
#define L_cuserid       9
#endif

#endif /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

#if defined(__EXTENSIONS__) || \
        (!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)) || \
        defined(_XOPEN_SOURCE)

#define P_tmpdir        "/var/tmp/"
#endif /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */

#ifndef _STDIO_ALLOCATE
extern unsigned char     _sibuf[], _sobuf[];
#endif

/* large file compilation environment setup */
#if !defined(_LP64) && _FILE_OFFSET_BITS == 64
#if !defined(__PRAGMA_REDEFINE_EXTNAME)
extern FILE     *fopen64(const char *, const char *);
extern FILE     *freopen64(const char *, const char *, FILE *);
extern FILE     *tmpfile64(void);
extern int      fgetpos64(FILE *, fpos_t *);
extern int      fsetpos64(FILE *, const fpos_t *);
#define fopen                   fopen64
#define freopen                 freopen64
#define tmpfile                 tmpfile64
#define fgetpos                 fgetpos64
#define fsetpos                 fsetpos64
#ifdef  _LARGEFILE_SOURCE
#define fseeko                  fseeko64
#define ftello                  ftello64
#endif
#endif  /* !__PRAGMA_REDEFINE_EXTNAME */
#endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 */

#ifndef _LP64
extern unsigned char    *_bufendtab[];
extern FILE             *_lastbuf;
#endif

/* In the LP64 compilation environment, all APIs are already large file */
#if defined(_LP64) && defined(_LARGEFILE64_SOURCE)
#if !defined(__PRAGMA_REDEFINE_EXTNAME)
#define fopen64         fopen
#define freopen64       freopen
#define tmpfile64       tmpfile
#define fgetpos64       fgetpos
#define fsetpos64       fsetpos
#ifdef  _LARGEFILE_SOURCE
#define fseeko64        fseeko
#define ftello64        ftello
#endif
#endif  /* !__PRAGMA_REDEFINE_EXTNAME */
#endif  /* _LP64 && _LARGEFILE64_SOURCE */

#ifndef _SSIZE_T
#define _SSIZE_T
#if defined(_LP64)
typedef long    ssize_t;        /* size of something in bytes or -1 */
#else
typedef int     ssize_t;        /* (historical version) */
#endif
#endif  /* !_SSIZE_T */

#if defined(__EXTENSIONS__) || \
        (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
        defined(_REENTRANT)
extern char     *tmpnam_r(char *);
#endif

#if defined(__EXTENSIONS__) || \
        (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
extern int fdclose(FILE *, int *);
extern int fcloseall(void);
extern void setbuffer(FILE *, char *, size_t);
extern int setlinebuf(FILE *);
/* PRINTFLIKE2 */
extern int asprintf(char **, const char *, ...);
/* PRINTFLIKE2 */
extern int vasprintf(char **, const char *, __va_list);
#endif

#if defined(__EXTENSIONS__) || \
        (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
        /* || defined(_XPG7) */
extern ssize_t getdelim(char **_RESTRICT_KYWD, size_t *_RESTRICT_KYWD,
        int, FILE *_RESTRICT_KYWD);
extern ssize_t getline(char **_RESTRICT_KYWD, size_t *_RESTRICT_KYWD,
        FILE *_RESTRICT_KYWD);
#endif  /* __EXTENSIONS__ ... */

/*
 * The following are known to POSIX and XOPEN, but not to ANSI-C.
 */
#if defined(__EXTENSIONS__) || \
        !defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX)

extern FILE     *fdopen(int, const char *);
extern char     *ctermid(char *);
extern int      fileno(FILE *);

#endif  /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

/*
 * The following are known to POSIX.1c, but not to ANSI-C or XOPEN.
 */
#if defined(__EXTENSIONS__) || defined(_REENTRANT) || \
        (_POSIX_C_SOURCE - 0 >= 199506L)
extern void     flockfile(FILE *);
extern int      ftrylockfile(FILE *);
extern void     funlockfile(FILE *);
extern int      getc_unlocked(FILE *);
extern int      getchar_unlocked(void);
extern int      putc_unlocked(int, FILE *);
extern int      putchar_unlocked(int);

#endif  /* defined(__EXTENSIONS__) || defined(_REENTRANT).. */

/*
 * The following are known to XOPEN, but not to ANSI-C or POSIX.
 */
#if defined(__EXTENSIONS__) || !defined(_STRICT_STDC) || \
        defined(_XOPEN_SOURCE)
extern FILE     *popen(const char *, const char *);
extern char     *tempnam(const char *, const char *);
extern int      pclose(FILE *);
#if !defined(_XOPEN_SOURCE)
extern int      getsubopt(char **, char *const *, char **);
#endif /* !defined(_XOPEN_SOURCE) */

/* Marked LEGACY in SUSv2 and removed in SUSv3 */
#if !defined(_XPG6) || defined(__EXTENSIONS__)
extern char     *cuserid(char *);
extern int      getopt(int, char *const *, const char *);
extern char     *optarg;
extern int      optind, opterr, optopt;
extern int      getw(FILE *);
extern int      putw(int, FILE *);
#endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */

#endif  /* defined(__EXTENSIONS__) || !defined(_STRICT_STDC) ... */

/*
 * The following are defined as part of the Large File Summit interfaces.
 */
#if defined(_LARGEFILE_SOURCE) || defined(_XPG5)
extern int      fseeko(FILE *, off_t, int);
extern off_t    ftello(FILE *);
#endif

/*
 * The following are defined as part of the transitional Large File Summit
 * interfaces.
 */
#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \
            !defined(__PRAGMA_REDEFINE_EXTNAME))
extern FILE     *fopen64(const char *, const char *);
extern FILE     *freopen64(const char *, const char *, FILE *);
extern FILE     *tmpfile64(void);
extern int      fgetpos64(FILE *, fpos64_t *);
extern int      fsetpos64(FILE *, const fpos64_t *);
extern int      fseeko64(FILE *, off64_t, int);
extern off64_t  ftello64(FILE *);
#endif

/*
 * XPG7 symbols
 */
#if !defined(_STRICT_SYMBOLS) || defined(_XPG7)
extern FILE     *fmemopen(void *_RESTRICT_KYWD, size_t,
                    const char *_RESTRICT_KYWD);
extern FILE     *open_memstream(char **, size_t *);

extern int      dprintf(int, const char *_RESTRICT_KYWD, ...)
        __PRINTFLIKE(2);
extern int      vdprintf(int, const char *_RESTRICT_KYWD, __va_list)
        __VPRINTFLIKE(2);
#endif  /* !_STRICT_SYMBOLS || _XPG7 */

#if defined(__EXTENSIONS__) || defined(_REENTRANT) || \
            (_POSIX_C_SOURCE - 0 >= 199506L)
#define getchar_unlocked()      getc_unlocked(stdin)
#define putchar_unlocked(x)     putc_unlocked((x), stdout)
#endif  /* defined(__EXTENSIONS__) || defined(_REENTRANT).. */

#ifdef  __cplusplus
}
#endif

#endif  /* _STDIO_H */