include/iso/stdio_iso.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  24  * Copyright 2014 PALO, Richard.
  25  *
  26  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29
  30 /*      Copyright (c) 1988 AT&T */
  31 /*        All Rights Reserved   */
  32
  33 /*
  34  * An application should not include this header directly.  Instead it
  35  * should be included only through the inclusion of other Sun headers.
  36  *
  37  * The contents of this header is limited to identifiers specified in the
  38  * C Standard.  Any new identifiers specified in future amendments to the
  39  * C Standard must be placed in this header.  If these new identifiers
  40  * are required to also be in the C++ Standard "std" namespace, then for
  41  * anything other than macro definitions, corresponding "using" directives
  42  * must also be added to <stdio.h>.
  43  */
  44
  45 /*
  46  * User-visible pieces of the ANSI C standard I/O package.
  47  */
  48
  49 #ifndef _ISO_STDIO_ISO_H
  50 #define _ISO_STDIO_ISO_H
  51
  52 #include <sys/feature_tests.h>
  53 #include <sys/null.h>
  54 #include <sys/va_list.h>
  55 #include <stdio_tag.h>
  56 #include <stdio_impl.h>
  57
  58 /*
  59  * If feature test macros are set that enable interfaces that use types
  60  * defined in <sys/types.h>, get those types by doing the include.
  61  *
  62  * Note that in asking for the interfaces associated with this feature test
  63  * macro one also asks for definitions of the POSIX types.
  64  */
  65
  66 #ifdef  __cplusplus
  67 extern "C" {
  68 #endif
  69
  70 #if !defined(_LP64) && (_FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE))
  71 /*
  72  * The following typedefs are adopted from ones in <sys/types.h> (with leading
  73  * underscores added to avoid polluting the ANSI C name space).  See the
  74  * commentary there for further explanation.
  75  */
  76 #if defined(_LONGLONG_TYPE)
  77 typedef long long       __longlong_t;
  78 #else
  79 /* used to reserve space and generate alignment */
  80 typedef union {
  81         double  _d;
  82         int     _l[2];
  83 } __longlong_t;
  84 #endif
  85 #endif  /* !_LP64 && _FILE_OFFSET_BITS == 64 || defined(_LARGEFILE64_SOURCE) */
  86
  87 #if __cplusplus >= 199711L
  88 namespace std {
  89 #endif
  90
  91 #if !defined(_FILEDEFED) || __cplusplus >= 199711L
  92 #define _FILEDEFED
  93 typedef __FILE FILE;
  94 #endif
  95
  96 #if !defined(_SIZE_T) || __cplusplus >= 199711L
  97 #define _SIZE_T
  98 #if defined(_LP64) || defined(_I32LPx)
  99 typedef unsigned long   size_t;         /* size of something in bytes */
 100 #else
 101 typedef unsigned int    size_t;         /* (historical version) */
 102 #endif
 103 #endif  /* !_SIZE_T */
 104
 105 #if defined(_LP64) || _FILE_OFFSET_BITS == 32
 106 typedef long            fpos_t;
 107 #else
 108 typedef __longlong_t    fpos_t;
 109 #endif
 110
 111 #if __cplusplus >= 199711L
 112 }
 113 #endif /* end of namespace std */
 114
 115 #define BUFSIZ  1024
 116
 117 /*
 118  * The value of _NFILE is defined in the Processor Specific ABI.  The value
 119  * is chosen for historical reasons rather than for truly processor related
 120  * attribute.  Note that the SPARC Processor Specific ABI uses the common
 121  * UNIX historical value of 20 so it is allowed to fall through.
 122  */
 123 #if defined(__i386)
 124 #define _NFILE  60      /* initial number of streams: Intel x86 ABI */
 125 #else
 126 #define _NFILE  20      /* initial number of streams: SPARC ABI and default */
 127 #endif
 128
 129 #define _SBFSIZ 8       /* compatibility with shared libs */
 130
 131 #define _IOFBF          0000    /* full buffered */
 132 #define _IOLBF          0100    /* line buffered */
 133 #define _IONBF          0004    /* not buffered */
 134 #define _IOEOF          0020    /* EOF reached on read */
 135 #define _IOERR          0040    /* I/O error from system */
 136
 137 #define _IOREAD         0001    /* currently reading */
 138 #define _IOWRT          0002    /* currently writing */
 139 #define _IORW           0200    /* opened for reading and writing */
 140 #define _IOMYBUF        0010    /* stdio malloc()'d buffer */
 141
 142 #ifndef EOF
 143 #define EOF     (-1)
 144 #endif
 145
 146 #define FOPEN_MAX       _NFILE
 147 #define FILENAME_MAX    1024    /* max # of characters in a path name */
 148
 149 #define SEEK_SET        0
 150 #define SEEK_CUR        1
 151 #define SEEK_END        2
 152 #define TMP_MAX         17576   /* 26 * 26 * 26 */
 153
 154 #define L_tmpnam        25      /* (sizeof(P_tmpdir) + 15) */
 155
 156 extern __FILE   __iob[_NFILE];
 157 #define stdin   (&__iob[0])
 158 #define stdout  (&__iob[1])
 159 #define stderr  (&__iob[2])
 160
 161 #if __cplusplus >= 199711L
 162 namespace std {
 163 #endif
 164
 165 #if !defined(_LP64) && !defined(_LONGLONG_TYPE)
 166
 167 #ifdef __PRAGMA_REDEFINE_EXTNAME
 168 #pragma redefine_extname fprintf        _fprintf_c89
 169 #pragma redefine_extname printf         _printf_c89
 170 #pragma redefine_extname sprintf        _sprintf_c89
 171 #pragma redefine_extname vfprintf       _vfprintf_c89
 172 #pragma redefine_extname vprintf        _vprintf_c89
 173 #pragma redefine_extname vsprintf       _vsprintf_c89
 174 #pragma redefine_extname fscanf         _fscanf_c89
 175 #pragma redefine_extname scanf          _scanf_c89
 176 #pragma redefine_extname sscanf         _sscanf_c89
 177 #else
 178 #define fprintf         _fprintf_c89
 179 #define printf          _printf_c89
 180 #define sprintf         _sprintf_c89
 181 #define vfprintf        _vfprintf_c89
 182 #define vprintf         _vprintf_c89
 183 #define vsprintf        _vsprintf_c89
 184 #define fscanf          _fscanf_c89
 185 #define scanf           _scanf_c89
 186 #define sscanf          _sscanf_c89
 187 #endif
 188
 189 #endif /* !defined(_LP64) && !defined(_LONGLONG_TYPE) */
 190
 191 extern int      remove(const char *);
 192 extern int      rename(const char *, const char *);
 193 extern FILE     *tmpfile(void);
 194 extern char     *tmpnam(char *);
 195 extern int      fclose(FILE *);
 196 extern int      fflush(FILE *);
 197 extern FILE     *fopen(const char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD);
 198 extern FILE     *freopen(const char *_RESTRICT_KYWD,
 199                         const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
 200 extern void     setbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD);
 201 extern int      setvbuf(FILE *_RESTRICT_KYWD, char *_RESTRICT_KYWD, int,
 202                         size_t);
 203 /* PRINTFLIKE2 */
 204 extern int      fprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
 205 /* SCANFLIKE2 */
 206 extern int      fscanf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
 207 /* PRINTFLIKE1 */
 208 extern int      printf(const char *_RESTRICT_KYWD, ...);
 209 /* SCANFLIKE1 */
 210 extern int      scanf(const char *_RESTRICT_KYWD, ...);
 211 /* PRINTFLIKE2 */
 212 extern int      sprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD, ...);
 213 /* SCANFLIKE2 */
 214 extern int      sscanf(const char *_RESTRICT_KYWD,
 215                         const char *_RESTRICT_KYWD, ...);
 216 extern int      vfprintf(FILE *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
 217                         __va_list);
 218 extern int      vprintf(const char *_RESTRICT_KYWD, __va_list);
 219 extern int      vsprintf(char *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
 220                         __va_list);
 221 extern int      fgetc(FILE *);
 222 extern char     *fgets(char *_RESTRICT_KYWD, int, FILE *_RESTRICT_KYWD);
 223 extern int      fputc(int, FILE *);
 224 extern int      fputs(const char *_RESTRICT_KYWD, FILE *_RESTRICT_KYWD);
 225 #if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
 226         __cplusplus < 199711L
 227 extern int      getc(FILE *);
 228 extern int      putc(int, FILE *);
 229 #endif
 230 #if (__cplusplus >= 199711L && defined(_REENTRANT)) || \
 231         __cplusplus < 199711L
 232 extern int      getchar(void);
 233 extern int      putchar(int);
 234 #endif
 235
 236 /*
 237  * ISO/IEC C11 removed gets from the standard library. Therefore if a strict C11
 238  * environment has been requested, we remove it.
 239  */
 240 #if !defined(_STDC_C11) || defined(__EXTENSIONS__)
 241 extern char     *gets(char *);
 242 #endif
 243 extern int      puts(const char *);
 244 extern int      ungetc(int, FILE *);
 245 extern size_t   fread(void *_RESTRICT_KYWD, size_t, size_t,
 246         FILE *_RESTRICT_KYWD);
 247 extern size_t   fwrite(const void *_RESTRICT_KYWD, size_t, size_t,
 248         FILE *_RESTRICT_KYWD);
 249 #if !defined(__lint) || defined(_LP64) || _FILE_OFFSET_BITS == 32
 250 extern int      fgetpos(FILE *_RESTRICT_KYWD, fpos_t *_RESTRICT_KYWD);
 251 extern int      fsetpos(FILE *, const fpos_t *);
 252 #endif
 253 extern int      fseek(FILE *, long, int);
 254 extern long     ftell(FILE *);
 255 extern void     rewind(FILE *);
 256 #if (__cplusplus >= 199711L && (defined(_LP64) || defined(_REENTRANT))) || \
 257         __cplusplus < 199711L
 258 extern void     clearerr(FILE *);
 259 extern int      feof(FILE *);
 260 extern int      ferror(FILE *);
 261 #endif
 262 extern void     perror(const char *);
 263
 264 #ifndef _LP64
 265 extern int      __filbuf(FILE *);
 266 extern int      __flsbuf(int, FILE *);
 267 #endif  /*      _LP64   */
 268
 269 #if __cplusplus >= 199711L
 270 }
 271 #endif /* end of namespace std */
 272
 273 #if !defined(__lint)
 274
 275 #if     !defined(_REENTRANT) && !defined(_LP64)
 276
 277 #if __cplusplus >= 199711L
 278 namespace std {
 279 inline int getc(FILE *_p) {
 280         return (--_p->_cnt < 0 ? __filbuf(_p) : (int)*_p->_ptr++); }
 281 inline int putc(int _x, FILE *_p) {
 282         return (--_p->_cnt < 0 ? __flsbuf(_x, _p)
 283                 : (int)(*_p->_ptr++ = (unsigned char) _x)); }
 284 }
 285 #else /* __cplusplus >= 199711L */
 286 #define getc(p)         (--(p)->_cnt < 0 ? __filbuf(p) : (int)*(p)->_ptr++)
 287 #define putc(x, p)      (--(p)->_cnt < 0 ? __flsbuf((x), (p)) \
 288                                 : (int)(*(p)->_ptr++ = (unsigned char) (x)))
 289 #endif /* __cplusplus >= 199711L */
 290
 291 #endif /* !defined(_REENTRANT) && !defined(_LP64) */
 292
 293 #ifndef _REENTRANT
 294
 295 #if __cplusplus >= 199711L
 296 namespace std {
 297 inline int getchar() { return getc(stdin); }
 298 inline int putchar(int _x) { return putc(_x, stdout); }
 299 }
 300 #else
 301 #define getchar()       getc(stdin)
 302 #define putchar(x)      putc((x), stdout)
 303 #endif /* __cplusplus >= 199711L */
 304
 305 #ifndef _LP64
 306 #if __cplusplus >= 199711L
 307 namespace std {
 308 inline void clearerr(FILE *_p) { _p->_flag &= ~(_IOERR | _IOEOF); }
 309 inline int feof(FILE *_p) { return _p->_flag & _IOEOF; }
 310 inline int ferror(FILE *_p) { return _p->_flag & _IOERR; }
 311 }
 312 #else /* __cplusplus >= 199711L */
 313 #define clearerr(p)     ((void)((p)->_flag &= ~(_IOERR | _IOEOF)))
 314 #define feof(p)         ((p)->_flag & _IOEOF)
 315 #define ferror(p)       ((p)->_flag & _IOERR)
 316 #endif /* __cplusplus >= 199711L */
 317 #endif  /* _LP64 */
 318
 319 #endif  /* _REENTRANT */
 320
 321 #endif  /* !defined(__lint) */
 322
 323 #ifdef  __cplusplus
 324 }
 325 #endif
 326
 327 #endif  /* _ISO_STDIO_ISO_H */