lib/perl5/5.6.1/msys/CORE/perlsdio.h

   1 /*
   2  * Although we may not want stdio to be used including <stdio.h> here
   3  * avoids issues where stdio.h has strange side effects
   4  */
   5 #include <stdio.h>
   6
   7 #ifdef PERLIO_IS_STDIO
   8 /*
   9  * Make this as close to original stdio as possible.
  10  */
  11 #define PerlIO                          FILE
  12 #define PerlIO_stderr()                 stderr
  13 #define PerlIO_stdout()                 stdout
  14 #define PerlIO_stdin()                  stdin
  15
  16 #define PerlIO_printf                   fprintf
  17 #define PerlIO_stdoutf                  printf
  18 #define PerlIO_vprintf(f,fmt,a)         vfprintf(f,fmt,a)
  19 #define PerlIO_write(f,buf,count)       fwrite1(buf,1,count,f)
  20 #define PerlIO_open                     fopen
  21 #define PerlIO_fdopen                   fdopen
  22 #define PerlIO_reopen           freopen
  23 #define PerlIO_close(f)                 fclose(f)
  24 #define PerlIO_puts(f,s)                fputs(s,f)
  25 #define PerlIO_putc(f,c)                fputc(c,f)
  26 #if defined(VMS)
  27 #  if defined(__DECC)
  28      /* Unusual definition of ungetc() here to accomodate fast_sv_gets()'
  29       * belief that it can mix getc/ungetc with reads from stdio buffer */
  30      int decc$ungetc(int __c, FILE *__stream);
  31 #    define PerlIO_ungetc(f,c) ((c) == EOF ? EOF : \
  32             ((*(f) && !((*(f))->_flag & _IONBF) && \
  33             ((*(f))->_ptr > (*(f))->_base)) ? \
  34             ((*(f))->_cnt++, *(--(*(f))->_ptr) = (c)) : decc$ungetc(c,f)))
  35 #  else
  36 #    define PerlIO_ungetc(f,c)          ungetc(c,f)
  37 #  endif
  38    /* Work around bug in DECCRTL/AXP (DECC v5.x) and some versions of old
  39     * VAXCRTL which causes read from a pipe after EOF has been returned
  40     * once to hang.
  41     */
  42 #  define PerlIO_getc(f) \
  43                 (feof(f) ? EOF : getc(f))
  44 #  define PerlIO_read(f,buf,count) \
  45                 (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
  46 #else
  47 #  define PerlIO_ungetc(f,c)            ungetc(c,f)
  48 #  define PerlIO_getc(f)                getc(f)
  49 #  define PerlIO_read(f,buf,count)      (SSize_t)fread(buf,1,count,f)
  50 #endif
  51 #define PerlIO_eof(f)                   feof(f)
  52 #define PerlIO_getname(f,b)             fgetname(f,b)
  53 #define PerlIO_error(f)                 ferror(f)
  54 #define PerlIO_fileno(f)                fileno(f)
  55 #define PerlIO_clearerr(f)              clearerr(f)
  56 #define PerlIO_flush(f)                 Fflush(f)
  57 #define PerlIO_tell(f)                  ftell(f)
  58 #if defined(USE_64_BIT_STDIO) && defined(HAS_FTELLO) && !defined(USE_FTELL64)
  59 #define ftell ftello
  60 #endif
  61 #if defined(VMS) && !defined(__DECC)
  62    /* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
  63 #  define PerlIO_seek(f,o,w)    (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
  64 #else
  65 #  define PerlIO_seek(f,o,w)            fseek(f,o,w)
  66 #endif
  67 #if defined(USE_64_BIT_STDIO) && defined(HAS_FSEEKO) && !defined(USE_FSEEK64)
  68 #define fseek fseeko
  69 #endif
  70 #ifdef HAS_FGETPOS
  71 #define PerlIO_getpos(f,p)              fgetpos(f,p)
  72 #endif
  73 #ifdef HAS_FSETPOS
  74 #define PerlIO_setpos(f,p)              fsetpos(f,p)
  75 #endif
  76
  77 #define PerlIO_rewind(f)                rewind(f)
  78 #define PerlIO_tmpfile()                tmpfile()
  79
  80 #define PerlIO_importFILE(f,fl)         (f)
  81 #define PerlIO_exportFILE(f,fl)         (f)
  82 #define PerlIO_findFILE(f)              (f)
  83 #define PerlIO_releaseFILE(p,f)         ((void) 0)
  84
  85 #ifdef HAS_SETLINEBUF
  86 #define PerlIO_setlinebuf(f)            setlinebuf(f);
  87 #else
  88 #define PerlIO_setlinebuf(f)            setvbuf(f, Nullch, _IOLBF, 0);
  89 #endif
  90
  91 /* Now our interface to Configure's FILE_xxx macros */
  92
  93 #ifdef USE_STDIO_PTR
  94 #define PerlIO_has_cntptr(f)            1
  95 #define PerlIO_get_ptr(f)               FILE_ptr(f)
  96 #define PerlIO_get_cnt(f)               FILE_cnt(f)
  97
  98 #ifdef STDIO_CNT_LVALUE
  99 #define PerlIO_canset_cnt(f)            1
 100 #define PerlIO_set_cnt(f,c)             (FILE_cnt(f) = (c))
 101 #ifdef STDIO_PTR_LVALUE
 102 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
 103 #define PerlIO_fast_gets(f)             1
 104 #endif
 105 #endif /* STDIO_PTR_LVALUE */
 106 #else /* STDIO_CNT_LVALUE */
 107 #define PerlIO_canset_cnt(f)            0
 108 #define PerlIO_set_cnt(f,c)             abort()
 109 #endif
 110
 111 #ifdef STDIO_PTR_LVALUE
 112 #ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
 113 #define PerlIO_set_ptrcnt(f,p,c)      STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END
 114 #else
 115 #ifdef STDIO_PTR_LVAL_SETS_CNT
 116 /* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
 117 #define PerlIO_set_ptrcnt(f,p,c)      STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END
 118 #define PerlIO_fast_gets(f)             1
 119 #else
 120 #define PerlIO_set_ptrcnt(f,p,c)        abort()
 121 #endif
 122 #endif
 123 #endif
 124
 125 #else  /* USE_STDIO_PTR */
 126
 127 #define PerlIO_has_cntptr(f)            0
 128 #define PerlIO_canset_cnt(f)            0
 129 #define PerlIO_get_cnt(f)               (abort(),0)
 130 #define PerlIO_get_ptr(f)               (abort(),(void *)0)
 131 #define PerlIO_set_cnt(f,c)             abort()
 132 #define PerlIO_set_ptrcnt(f,p,c)        abort()
 133
 134 #endif /* USE_STDIO_PTR */
 135
 136 #ifndef PerlIO_fast_gets
 137 #define PerlIO_fast_gets(f)             0
 138 #endif
 139
 140
 141 #ifdef FILE_base
 142 #define PerlIO_has_base(f)              1
 143 #define PerlIO_get_base(f)              FILE_base(f)
 144 #define PerlIO_get_bufsiz(f)            FILE_bufsiz(f)
 145 #else
 146 #define PerlIO_has_base(f)              0
 147 #define PerlIO_get_base(f)              (abort(),(void *)0)
 148 #define PerlIO_get_bufsiz(f)            (abort(),0)
 149 #endif
 150 #else /* PERLIO_IS_STDIO */
 151 #ifdef PERL_CORE
 152 #ifndef PERLIO_NOT_STDIO
 153 #define PERLIO_NOT_STDIO 1
 154 #endif
 155 #endif
 156 #ifdef PERLIO_NOT_STDIO
 157 #if PERLIO_NOT_STDIO
 158 /*
 159  * Strong denial of stdio - make all stdio calls (we can think of) errors
 160  */
 161 #include "nostdio.h"
 162 #undef fprintf
 163 #undef tmpfile
 164 #undef fclose
 165 #undef fopen
 166 #undef vfprintf
 167 #undef fgetc
 168 #undef fputc
 169 #undef fputs
 170 #undef ungetc
 171 #undef fread
 172 #undef fwrite
 173 #undef fgetpos
 174 #undef fseek
 175 #undef fsetpos
 176 #undef ftell
 177 #undef rewind
 178 #undef fdopen
 179 #undef popen
 180 #undef pclose
 181 #undef getw
 182 #undef putw
 183 #undef freopen
 184 #undef setbuf
 185 #undef setvbuf
 186 #undef fscanf
 187 #undef fgets
 188 #undef getc_unlocked
 189 #undef putc_unlocked
 190 #define fprintf    _CANNOT _fprintf_
 191 #define stdin      _CANNOT _stdin_
 192 #define stdout     _CANNOT _stdout_
 193 #define stderr     _CANNOT _stderr_
 194 #define tmpfile()  _CANNOT _tmpfile_
 195 #define fclose(f)  _CANNOT _fclose_
 196 #define fflush(f)  _CANNOT _fflush_
 197 #define fopen(p,m)  _CANNOT _fopen_
 198 #define freopen(p,m,f)  _CANNOT _freopen_
 199 #define setbuf(f,b)  _CANNOT _setbuf_
 200 #define setvbuf(f,b,x,s)  _CANNOT _setvbuf_
 201 #define fscanf  _CANNOT _fscanf_
 202 #define vfprintf(f,fmt,a)  _CANNOT _vfprintf_
 203 #define fgetc(f)  _CANNOT _fgetc_
 204 #define fgets(s,n,f)  _CANNOT _fgets_
 205 #define fputc(c,f)  _CANNOT _fputc_
 206 #define fputs(s,f)  _CANNOT _fputs_
 207 #define getc(f)  _CANNOT _getc_
 208 #define putc(c,f)  _CANNOT _putc_
 209 #define ungetc(c,f)  _CANNOT _ungetc_
 210 #define fread(b,s,c,f)  _CANNOT _fread_
 211 #define fwrite(b,s,c,f)  _CANNOT _fwrite_
 212 #define fgetpos(f,p)  _CANNOT _fgetpos_
 213 #define fseek(f,o,w)  _CANNOT _fseek_
 214 #define fsetpos(f,p)  _CANNOT _fsetpos_
 215 #define ftell(f)  _CANNOT _ftell_
 216 #define rewind(f)  _CANNOT _rewind_
 217 #define clearerr(f)  _CANNOT _clearerr_
 218 #define feof(f)  _CANNOT _feof_
 219 #define ferror(f)  _CANNOT _ferror_
 220 #define __filbuf(f)  _CANNOT __filbuf_
 221 #define __flsbuf(c,f)  _CANNOT __flsbuf_
 222 #define _filbuf(f)  _CANNOT _filbuf_
 223 #define _flsbuf(c,f)  _CANNOT _flsbuf_
 224 #define fdopen(fd,p)  _CANNOT _fdopen_
 225 #define fileno(f)  _CANNOT _fileno_
 226 #if SFIO_VERSION < 20000101L
 227 #define flockfile(f)  _CANNOT _flockfile_
 228 #define ftrylockfile(f)  _CANNOT _ftrylockfile_
 229 #define funlockfile(f)  _CANNOT _funlockfile_
 230 #endif
 231 #define getc_unlocked(f)  _CANNOT _getc_unlocked_
 232 #define putc_unlocked(c,f)  _CANNOT _putc_unlocked_
 233 #define popen(c,m)  _CANNOT _popen_
 234 #define getw(f)  _CANNOT _getw_
 235 #define putw(v,f)  _CANNOT _putw_
 236 #define pclose(f)  _CANNOT _pclose_
 237
 238 #else /* if PERLIO_NOT_STDIO */
 239 /*
 240  * PERLIO_NOT_STDIO defined as 0
 241  * Declares that both PerlIO and stdio can be used
 242  */
 243 #endif /* if PERLIO_NOT_STDIO */
 244 #else  /* ifdef PERLIO_NOT_STDIO */
 245 /*
 246  * PERLIO_NOT_STDIO not defined
 247  * This is "source level" stdio compatibility mode.
 248  */
 249 #include "nostdio.h"
 250 #undef FILE
 251 #define FILE                    PerlIO
 252 #undef fprintf
 253 #undef tmpfile
 254 #undef fclose
 255 #undef fopen
 256 #undef vfprintf
 257 #undef fgetc
 258 #undef getc_unlocked
 259 #undef fputc
 260 #undef putc_unlocked
 261 #undef fputs
 262 #undef ungetc
 263 #undef fread
 264 #undef fwrite
 265 #undef fgetpos
 266 #undef fseek
 267 #undef fsetpos
 268 #undef ftell
 269 #undef rewind
 270 #undef fdopen
 271 #undef popen
 272 #undef pclose
 273 #undef getw
 274 #undef putw
 275 #undef freopen
 276 #undef setbuf
 277 #undef setvbuf
 278 #undef fscanf
 279 #undef fgets
 280 #define fprintf                 PerlIO_printf
 281 #define stdin                   PerlIO_stdin()
 282 #define stdout                  PerlIO_stdout()
 283 #define stderr                  PerlIO_stderr()
 284 #define tmpfile()               PerlIO_tmpfile()
 285 #define fclose(f)               PerlIO_close(f)
 286 #define fflush(f)               PerlIO_flush(f)
 287 #define fopen(p,m)              PerlIO_open(p,m)
 288 #define vfprintf(f,fmt,a)       PerlIO_vprintf(f,fmt,a)
 289 #define fgetc(f)                PerlIO_getc(f)
 290 #define fputc(c,f)              PerlIO_putc(f,c)
 291 #define fputs(s,f)              PerlIO_puts(f,s)
 292 #define getc(f)                 PerlIO_getc(f)
 293 #ifdef getc_unlocked
 294 #undef getc_unlocked
 295 #endif
 296 #define getc_unlocked(f)        PerlIO_getc(f)
 297 #define putc(c,f)               PerlIO_putc(f,c)
 298 #ifdef putc_unlocked
 299 #undef putc_unlocked
 300 #endif
 301 #define putc_unlocked(c,f)      PerlIO_putc(c,f)
 302 #define ungetc(c,f)             PerlIO_ungetc(f,c)
 303 #if 0
 304 /* return values of read/write need work */
 305 #define fread(b,s,c,f)          PerlIO_read(f,b,(s*c))
 306 #define fwrite(b,s,c,f)         PerlIO_write(f,b,(s*c))
 307 #else
 308 #define fread(b,s,c,f)          _CANNOT fread
 309 #define fwrite(b,s,c,f)         _CANNOT fwrite
 310 #endif
 311 #define fgetpos(f,p)            PerlIO_getpos(f,p)
 312 #define fseek(f,o,w)            PerlIO_seek(f,o,w)
 313 #define fsetpos(f,p)            PerlIO_setpos(f,p)
 314 #define ftell(f)                PerlIO_tell(f)
 315 #define rewind(f)               PerlIO_rewind(f)
 316 #define clearerr(f)             PerlIO_clearerr(f)
 317 #define feof(f)                 PerlIO_eof(f)
 318 #define ferror(f)               PerlIO_error(f)
 319 #define fdopen(fd,p)            PerlIO_fdopen(fd,p)
 320 #define fileno(f)               PerlIO_fileno(f)
 321 #define popen(c,m)              my_popen(c,m)
 322 #define pclose(f)               my_pclose(f)
 323
 324 #define __filbuf(f)             _CANNOT __filbuf_
 325 #define _filbuf(f)              _CANNOT _filbuf_
 326 #define __flsbuf(c,f)           _CANNOT __flsbuf_
 327 #define _flsbuf(c,f)            _CANNOT _flsbuf_
 328 #define getw(f)                 _CANNOT _getw_
 329 #define putw(v,f)               _CANNOT _putw_
 330 #if SFIO_VERSION < 20000101L
 331 #define flockfile(f)            _CANNOT _flockfile_
 332 #define ftrylockfile(f)         _CANNOT _ftrylockfile_
 333 #define funlockfile(f)          _CANNOT _funlockfile_
 334 #endif
 335 #define freopen(p,m,f)          _CANNOT _freopen_
 336 #define setbuf(f,b)             _CANNOT _setbuf_
 337 #define setvbuf(f,b,x,s)        _CANNOT _setvbuf_
 338 #define fscanf                  _CANNOT _fscanf_
 339 #define fgets(s,n,f)            _CANNOT _fgets_
 340
 341 #endif /* ifdef PERLIO_NOT_STDIO */
 342 #endif /* PERLIO_IS_STDIO */