| 1 | /* Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2, or (at your option) |
| 6 | * any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this software; see the file COPYING. If not, write to |
| 15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| 16 | * Boston, MA 02111-1307 USA |
| 17 | * |
| 18 | * As a special exception, the Free Software Foundation gives permission |
| 19 | * for additional uses of the text contained in its release of GUILE. |
| 20 | * |
| 21 | * The exception is that, if you link the GUILE library with other files |
| 22 | * to produce an executable, this does not by itself cause the |
| 23 | * resulting executable to be covered by the GNU General Public License. |
| 24 | * Your use of that executable is in no way restricted on account of |
| 25 | * linking the GUILE library code into it. |
| 26 | * |
| 27 | * This exception does not however invalidate any other reasons why |
| 28 | * the executable file might be covered by the GNU General Public License. |
| 29 | * |
| 30 | * This exception applies only to the code released by the |
| 31 | * Free Software Foundation under the name GUILE. If you copy |
| 32 | * code from other Free Software Foundation releases into a copy of |
| 33 | * GUILE, as the General Public License permits, the exception does |
| 34 | * not apply to the code that you add in this way. To avoid misleading |
| 35 | * anyone as to the status of such modified files, you must delete |
| 36 | * this exception notice from them. |
| 37 | * |
| 38 | * If you write modifications of your own for GUILE, it is your choice |
| 39 | * whether to permit this exception to apply to your modifications. |
| 40 | * If you do not wish that, delete this exception notice. */ |
| 41 | |
| 42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, |
| 43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ |
| 44 | |
| 45 | \f |
| 46 | |
| 47 | |
| 48 | #include <stdio.h> |
| 49 | #include "_scm.h" |
| 50 | #include "ports.h" |
| 51 | #include "read.h" |
| 52 | #include "fports.h" |
| 53 | #include "unif.h" |
| 54 | #include "chars.h" |
| 55 | #include "feature.h" |
| 56 | |
| 57 | #include "validate.h" |
| 58 | #include "ioext.h" |
| 59 | |
| 60 | #include <fcntl.h> |
| 61 | |
| 62 | #ifdef HAVE_STRING_H |
| 63 | #include <string.h> |
| 64 | #endif |
| 65 | #ifdef HAVE_UNISTD_H |
| 66 | #include <unistd.h> |
| 67 | #endif |
| 68 | \f |
| 69 | |
| 70 | SCM_DEFINE (scm_read_delimited_x, "%read-delimited!", 3, 3, 0, |
| 71 | (SCM delims, SCM buf, SCM gobble, SCM port, SCM start, SCM end), |
| 72 | "Read characters from @var{port} into @var{buf} until one of the\n" |
| 73 | "characters in the @var{delims} string is encountered. If @var{gobble?}\n" |
| 74 | "is true, store the delimiter character in @var{buf} as well; otherwise,\n" |
| 75 | "discard it. If @var{port} is not specified, use the value of\n" |
| 76 | "@code{(current-input-port)}. If @var{start} or @var{end} are specified,\n" |
| 77 | "store data only into the substring of @var{buf} bounded by @var{start}\n" |
| 78 | "and @var{end} (which default to the beginning and end of the buffer,\n" |
| 79 | "respectively).\n\n" |
| 80 | "Return a pair consisting of the delimiter that terminated the string and\n" |
| 81 | "the number of characters read. If reading stopped at the end of file,\n" |
| 82 | "the delimiter returned is the @var{eof-object}; if the buffer was filled\n" |
| 83 | "without encountering a delimiter, this value is @var{#f}.") |
| 84 | #define FUNC_NAME s_scm_read_delimited_x |
| 85 | { |
| 86 | long j; |
| 87 | char *cbuf; |
| 88 | long cstart; |
| 89 | long cend, tend; |
| 90 | int c; |
| 91 | char *cdelims; |
| 92 | int num_delims; |
| 93 | |
| 94 | SCM_VALIDATE_ROSTRING_COPY (1,delims,cdelims); |
| 95 | num_delims = SCM_ROLENGTH (delims); |
| 96 | SCM_VALIDATE_STRING_COPY (2,buf,cbuf); |
| 97 | cend = SCM_LENGTH (buf); |
| 98 | if (SCM_UNBNDP (port)) |
| 99 | port = scm_cur_inp; |
| 100 | else |
| 101 | SCM_VALIDATE_OPINPORT (4,port); |
| 102 | |
| 103 | SCM_VALIDATE_INUM_DEF_COPY (5,start,0,cstart); |
| 104 | SCM_ASSERT_RANGE(5, start, cstart >= 0 && cstart < cend); |
| 105 | |
| 106 | SCM_VALIDATE_INUM_DEF_COPY (6,end,cend,tend); |
| 107 | SCM_ASSERT_RANGE(6, end, tend > cstart && tend <= cend); |
| 108 | |
| 109 | cend = tend; |
| 110 | |
| 111 | for (j = cstart; j < cend; j++) |
| 112 | { |
| 113 | int k; |
| 114 | |
| 115 | c = scm_getc (port); |
| 116 | for (k = 0; k < num_delims; k++) |
| 117 | { |
| 118 | if (cdelims[k] == c) |
| 119 | { |
| 120 | if (SCM_FALSEP (gobble)) |
| 121 | scm_ungetc (c, port); |
| 122 | |
| 123 | return scm_cons (SCM_MAKE_CHAR (c), |
| 124 | scm_long2num (j - cstart)); |
| 125 | } |
| 126 | } |
| 127 | if (c == EOF) |
| 128 | return scm_cons (SCM_EOF_VAL, |
| 129 | scm_long2num (j - cstart)); |
| 130 | |
| 131 | cbuf[j] = c; |
| 132 | } |
| 133 | return scm_cons (SCM_BOOL_F, scm_long2num (j - cstart)); |
| 134 | } |
| 135 | #undef FUNC_NAME |
| 136 | |
| 137 | static unsigned char * |
| 138 | scm_do_read_line (SCM port, int *len_p) |
| 139 | { |
| 140 | scm_port *pt = SCM_PTAB_ENTRY (port); |
| 141 | unsigned char *end; |
| 142 | |
| 143 | /* I thought reading lines was simple. Mercy me. */ |
| 144 | |
| 145 | /* The common case: the buffer contains a complete line. |
| 146 | This needs to be fast. */ |
| 147 | if ((end = memchr (pt->read_pos, '\n', (pt->read_end - pt->read_pos))) |
| 148 | != 0) |
| 149 | { |
| 150 | int buf_len = (end + 1) - pt->read_pos; |
| 151 | /* Allocate a buffer of the perfect size. */ |
| 152 | unsigned char *buf = scm_must_malloc (buf_len + 1, "%read-line"); |
| 153 | |
| 154 | memcpy (buf, pt->read_pos, buf_len); |
| 155 | pt->read_pos += buf_len; |
| 156 | |
| 157 | buf[buf_len] = '\0'; |
| 158 | |
| 159 | *len_p = buf_len; |
| 160 | return buf; |
| 161 | } |
| 162 | |
| 163 | /* The buffer contains no newlines. */ |
| 164 | { |
| 165 | /* When live, len is always the number of characters in the |
| 166 | current buffer that are part of the current line. */ |
| 167 | int len = (pt->read_end - pt->read_pos); |
| 168 | int buf_size = (len < 50) ? 60 : len * 2; |
| 169 | /* Invariant: buf always has buf_size + 1 characters allocated; |
| 170 | the `+ 1' is for the final '\0'. */ |
| 171 | unsigned char *buf = scm_must_malloc (buf_size + 1, "%read-line"); |
| 172 | int buf_len = 0; |
| 173 | |
| 174 | for (;;) |
| 175 | { |
| 176 | if (buf_len + len > buf_size) |
| 177 | { |
| 178 | int new_size = (buf_len + len) * 2; |
| 179 | buf = scm_must_realloc (buf, buf_size + 1, new_size + 1, |
| 180 | "%read-line"); |
| 181 | buf_size = new_size; |
| 182 | } |
| 183 | |
| 184 | /* Copy what we've got out of the port, into our buffer. */ |
| 185 | memcpy (buf + buf_len, pt->read_pos, len); |
| 186 | buf_len += len; |
| 187 | pt->read_pos += len; |
| 188 | |
| 189 | /* If we had seen a newline, we're done now. */ |
| 190 | if (end) |
| 191 | break; |
| 192 | |
| 193 | /* Get more characters. */ |
| 194 | if (scm_fill_input (port) == EOF) |
| 195 | { |
| 196 | /* If we're missing a final newline in the file, return |
| 197 | what we did get, sans newline. */ |
| 198 | if (buf_len > 0) |
| 199 | break; |
| 200 | |
| 201 | free (buf); |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | /* Search the buffer for newlines. */ |
| 206 | if ((end = memchr (pt->read_pos, '\n', |
| 207 | (len = (pt->read_end - pt->read_pos)))) |
| 208 | != 0) |
| 209 | len = (end - pt->read_pos) + 1; |
| 210 | } |
| 211 | |
| 212 | /* I wonder how expensive this realloc is. */ |
| 213 | buf = scm_must_realloc (buf, buf_size + 1, buf_len + 1, "%read-line"); |
| 214 | buf[buf_len] = '\0'; |
| 215 | *len_p = buf_len; |
| 216 | return buf; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | |
| 221 | /* |
| 222 | * %read-line |
| 223 | * truncates any terminating newline from its input, and returns |
| 224 | * a cons of the string read and its terminating character. Doing |
| 225 | * so makes it easy to implement the hairy `read-line' options |
| 226 | * efficiently in Scheme. |
| 227 | */ |
| 228 | |
| 229 | SCM_DEFINE (scm_read_line, "%read-line", 0, 1, 0, |
| 230 | (SCM port), |
| 231 | "Read a newline-terminated line from @var{port}, allocating storage as\n" |
| 232 | "necessary. The newline terminator (if any) is removed from the string,\n" |
| 233 | "and a pair consisting of the line and its delimiter is returned. The\n" |
| 234 | "delimiter may be either a newline or the @var{eof-object}; if\n" |
| 235 | "@code{%read-line} is called at the end of file, it returns the pair\n" |
| 236 | "@code{(#<eof> . #<eof>)}.") |
| 237 | #define FUNC_NAME s_scm_read_line |
| 238 | { |
| 239 | scm_port *pt; |
| 240 | char *s; |
| 241 | int slen; |
| 242 | SCM line, term; |
| 243 | |
| 244 | if (SCM_UNBNDP (port)) |
| 245 | port = scm_cur_inp; |
| 246 | SCM_VALIDATE_OPINPORT (1,port); |
| 247 | |
| 248 | pt = SCM_PTAB_ENTRY (port); |
| 249 | if (pt->rw_active == SCM_PORT_WRITE) |
| 250 | scm_ptobs[SCM_PTOBNUM (port)].flush (port); |
| 251 | |
| 252 | s = scm_do_read_line (port, &slen); |
| 253 | |
| 254 | if (s == NULL) |
| 255 | term = line = SCM_EOF_VAL; |
| 256 | else |
| 257 | { |
| 258 | if (s[slen-1] == '\n') |
| 259 | { |
| 260 | term = SCM_MAKE_CHAR ('\n'); |
| 261 | s[slen-1] = '\0'; |
| 262 | line = scm_take_str (s, slen-1); |
| 263 | scm_done_malloc (-1); |
| 264 | SCM_INCLINE (port); |
| 265 | } |
| 266 | else |
| 267 | { |
| 268 | /* Fix: we should check for eof on the port before assuming this. */ |
| 269 | term = SCM_EOF_VAL; |
| 270 | line = scm_take_str (s, slen); |
| 271 | SCM_COL (port) += slen; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | if (pt->rw_random) |
| 276 | pt->rw_active = SCM_PORT_READ; |
| 277 | |
| 278 | return scm_cons (line, term); |
| 279 | } |
| 280 | #undef FUNC_NAME |
| 281 | |
| 282 | SCM_DEFINE (scm_write_line, "write-line", 1, 1, 0, |
| 283 | (SCM obj, SCM port), |
| 284 | "Display @var{obj} and a newline character to @var{port}. If @var{port}\n" |
| 285 | "is not specified, @code{(current-output-port)} is used. This function\n" |
| 286 | "is equivalent to:\n\n" |
| 287 | "@smalllisp\n" |
| 288 | "(display obj [port])\n" |
| 289 | "(newline [port])\n" |
| 290 | "@end smalllisp") |
| 291 | #define FUNC_NAME s_scm_write_line |
| 292 | { |
| 293 | scm_display (obj, port); |
| 294 | return scm_newline (port); |
| 295 | } |
| 296 | #undef FUNC_NAME |
| 297 | |
| 298 | SCM_DEFINE (scm_ftell, "ftell", 1, 0, 0, |
| 299 | (SCM object), |
| 300 | "Returns an integer representing the current position of @var{fd/port},\n" |
| 301 | "measured from the beginning. Equivalent to:\n" |
| 302 | "@smalllisp\n" |
| 303 | "(seek port 0 SEEK_CUR)\n" |
| 304 | "@end smalllisp") |
| 305 | #define FUNC_NAME s_scm_ftell |
| 306 | { |
| 307 | return scm_seek (object, SCM_INUM0, SCM_MAKINUM (SEEK_CUR)); |
| 308 | } |
| 309 | #undef FUNC_NAME |
| 310 | |
| 311 | SCM_DEFINE (scm_fseek, "fseek", 3, 0, 0, |
| 312 | (SCM object, SCM offset, SCM whence), |
| 313 | "Obsolete. Almost the same as seek, above, but the return value is\n" |
| 314 | "unspecified.") |
| 315 | #define FUNC_NAME s_scm_fseek |
| 316 | { |
| 317 | scm_seek (object, offset, whence); |
| 318 | return SCM_UNSPECIFIED; |
| 319 | } |
| 320 | #undef FUNC_NAME |
| 321 | |
| 322 | SCM_DEFINE (scm_redirect_port, "redirect-port", 2, 0, 0, |
| 323 | (SCM old, SCM new), |
| 324 | "This procedure takes two ports and duplicates the underlying file\n" |
| 325 | "descriptor from @var{old-port} into @var{new-port}. The\n" |
| 326 | "current file descriptor in @var{new-port} will be closed.\n" |
| 327 | "After the redirection the two ports will share a file position\n" |
| 328 | "and file status flags.\n\n" |
| 329 | "The return value is unspecified.\n\n" |
| 330 | "Unexpected behaviour can result if both ports are subsequently used\n" |
| 331 | "and the original and/or duplicate ports are buffered.\n\n" |
| 332 | "This procedure does not have any side effects on other ports or\n" |
| 333 | "revealed counts.") |
| 334 | #define FUNC_NAME s_scm_redirect_port |
| 335 | { |
| 336 | int ans, oldfd, newfd; |
| 337 | struct scm_fport *fp; |
| 338 | |
| 339 | old = SCM_COERCE_OUTPORT (old); |
| 340 | new = SCM_COERCE_OUTPORT (new); |
| 341 | |
| 342 | SCM_VALIDATE_OPFPORT (1,old); |
| 343 | SCM_VALIDATE_OPFPORT (2,new); |
| 344 | oldfd = SCM_FPORT_FDES (old); |
| 345 | fp = SCM_FSTREAM (new); |
| 346 | newfd = fp->fdes; |
| 347 | if (oldfd != newfd) |
| 348 | { |
| 349 | scm_port *pt = SCM_PTAB_ENTRY (new); |
| 350 | scm_port *old_pt = SCM_PTAB_ENTRY (old); |
| 351 | scm_ptob_descriptor *ptob = &scm_ptobs[SCM_PTOBNUM (new)]; |
| 352 | |
| 353 | /* must flush to old fdes. */ |
| 354 | if (pt->rw_active == SCM_PORT_WRITE) |
| 355 | ptob->flush (new); |
| 356 | else if (pt->rw_active == SCM_PORT_READ) |
| 357 | scm_end_input (new); |
| 358 | ans = dup2 (oldfd, newfd); |
| 359 | if (ans == -1) |
| 360 | SCM_SYSERROR; |
| 361 | pt->rw_random = old_pt->rw_random; |
| 362 | /* continue using existing buffers, even if inappropriate. */ |
| 363 | } |
| 364 | return SCM_UNSPECIFIED; |
| 365 | } |
| 366 | #undef FUNC_NAME |
| 367 | |
| 368 | SCM_DEFINE (scm_dup_to_fdes, "dup->fdes", 1, 1, 0, |
| 369 | (SCM fd_or_port, SCM fd), |
| 370 | "Returns an integer file descriptor.") |
| 371 | #define FUNC_NAME s_scm_dup_to_fdes |
| 372 | { |
| 373 | int oldfd, newfd, rv; |
| 374 | |
| 375 | fd_or_port = SCM_COERCE_OUTPORT (fd_or_port); |
| 376 | |
| 377 | if (SCM_INUMP (fd_or_port)) |
| 378 | oldfd = SCM_INUM (fd_or_port); |
| 379 | else |
| 380 | { |
| 381 | SCM_VALIDATE_OPFPORT (1,fd_or_port); |
| 382 | oldfd = SCM_FPORT_FDES (fd_or_port); |
| 383 | } |
| 384 | |
| 385 | if (SCM_UNBNDP (fd)) |
| 386 | { |
| 387 | newfd = dup (oldfd); |
| 388 | if (newfd == -1) |
| 389 | SCM_SYSERROR; |
| 390 | fd = SCM_MAKINUM (newfd); |
| 391 | } |
| 392 | else |
| 393 | { |
| 394 | SCM_VALIDATE_INUM_COPY (2, fd, newfd); |
| 395 | if (oldfd != newfd) |
| 396 | { |
| 397 | scm_evict_ports (newfd); /* see scsh manual. */ |
| 398 | rv = dup2 (oldfd, newfd); |
| 399 | if (rv == -1) |
| 400 | SCM_SYSERROR; |
| 401 | } |
| 402 | } |
| 403 | return fd; |
| 404 | } |
| 405 | #undef FUNC_NAME |
| 406 | |
| 407 | SCM_DEFINE (scm_fileno, "fileno", 1, 0, 0, |
| 408 | (SCM port), |
| 409 | "Returns the integer file descriptor underlying @var{port}.\n" |
| 410 | "Does not change its revealed count.") |
| 411 | #define FUNC_NAME s_scm_fileno |
| 412 | { |
| 413 | port = SCM_COERCE_OUTPORT (port); |
| 414 | SCM_VALIDATE_OPFPORT (1,port); |
| 415 | return SCM_MAKINUM (SCM_FPORT_FDES (port)); |
| 416 | } |
| 417 | #undef FUNC_NAME |
| 418 | |
| 419 | /* GJB:FIXME:: why does this not throw |
| 420 | an error if the arg is not a port? |
| 421 | This proc as is would be better names isattyport? |
| 422 | if it is not going to assume that the arg is a port */ |
| 423 | SCM_DEFINE (scm_isatty_p, "isatty?", 1, 0, 0, |
| 424 | (SCM port), |
| 425 | "Returns @code{#t} if @var{port} is using a serial\n" |
| 426 | "non-file device, otherwise @code{#f}.") |
| 427 | #define FUNC_NAME s_scm_isatty_p |
| 428 | { |
| 429 | int rv; |
| 430 | |
| 431 | port = SCM_COERCE_OUTPORT (port); |
| 432 | |
| 433 | if (!SCM_OPFPORTP (port)) |
| 434 | return SCM_BOOL_F; |
| 435 | |
| 436 | rv = isatty (SCM_FPORT_FDES (port)); |
| 437 | return SCM_BOOL(rv); |
| 438 | } |
| 439 | #undef FUNC_NAME |
| 440 | |
| 441 | |
| 442 | |
| 443 | SCM_DEFINE (scm_fdopen, "fdopen", 2, 0, 0, |
| 444 | (SCM fdes, SCM modes), |
| 445 | "Returns a new port based on the file descriptor @var{fdes}.\n" |
| 446 | "Modes are given by the string @var{modes}. The revealed count of the port\n" |
| 447 | "is initialized to zero. The modes string is the same as that accepted\n" |
| 448 | "by @ref{File Ports, open-file}.") |
| 449 | #define FUNC_NAME s_scm_fdopen |
| 450 | { |
| 451 | SCM_VALIDATE_INUM (1,fdes); |
| 452 | SCM_VALIDATE_ROSTRING (2,modes); |
| 453 | SCM_COERCE_SUBSTR (modes); |
| 454 | |
| 455 | return scm_fdes_to_port (SCM_INUM (fdes), SCM_ROCHARS (modes), SCM_BOOL_F); |
| 456 | } |
| 457 | #undef FUNC_NAME |
| 458 | |
| 459 | |
| 460 | |
| 461 | /* Move a port's underlying file descriptor to a given value. |
| 462 | * Returns #f if fdes is already the given value. |
| 463 | * #t if fdes moved. |
| 464 | * MOVE->FDES is implemented in Scheme and calls this primitive. |
| 465 | */ |
| 466 | SCM_DEFINE (scm_primitive_move_to_fdes, "primitive-move->fdes", 2, 0, 0, |
| 467 | (SCM port, SCM fd), |
| 468 | "Moves the underlying file descriptor for @var{port} to the integer\n" |
| 469 | "value @var{fdes} without changing the revealed count of @var{port}.\n" |
| 470 | "Any other ports already using this descriptor will be automatically\n" |
| 471 | "shifted to new descriptors and their revealed counts reset to zero.\n" |
| 472 | "The return value is @code{#f} if the file descriptor already had the\n" |
| 473 | "required value or @code{#t} if it was moved.") |
| 474 | #define FUNC_NAME s_scm_primitive_move_to_fdes |
| 475 | { |
| 476 | struct scm_fport *stream; |
| 477 | int old_fd; |
| 478 | int new_fd; |
| 479 | int rv; |
| 480 | |
| 481 | port = SCM_COERCE_OUTPORT (port); |
| 482 | |
| 483 | SCM_VALIDATE_OPFPORT (1,port); |
| 484 | SCM_VALIDATE_INUM (2,fd); |
| 485 | stream = SCM_FSTREAM (port); |
| 486 | old_fd = stream->fdes; |
| 487 | new_fd = SCM_INUM (fd); |
| 488 | if (old_fd == new_fd) |
| 489 | { |
| 490 | return SCM_BOOL_F; |
| 491 | } |
| 492 | scm_evict_ports (new_fd); |
| 493 | rv = dup2 (old_fd, new_fd); |
| 494 | if (rv == -1) |
| 495 | SCM_SYSERROR; |
| 496 | stream->fdes = new_fd; |
| 497 | SCM_SYSCALL (close (old_fd)); |
| 498 | return SCM_BOOL_T; |
| 499 | } |
| 500 | #undef FUNC_NAME |
| 501 | |
| 502 | /* Return a list of ports using a given file descriptor. */ |
| 503 | SCM_DEFINE (scm_fdes_to_ports, "fdes->ports", 1, 0, 0, |
| 504 | (SCM fd), |
| 505 | "Returns a list of existing ports which have @var{fdes} as an\n" |
| 506 | "underlying file descriptor, without changing their revealed counts.") |
| 507 | #define FUNC_NAME s_scm_fdes_to_ports |
| 508 | { |
| 509 | SCM result = SCM_EOL; |
| 510 | int int_fd; |
| 511 | int i; |
| 512 | |
| 513 | SCM_VALIDATE_INUM_COPY (1,fd,int_fd); |
| 514 | |
| 515 | for (i = 0; i < scm_port_table_size; i++) |
| 516 | { |
| 517 | if (SCM_OPFPORTP (scm_port_table[i]->port) |
| 518 | && ((struct scm_fport *) scm_port_table[i]->stream)->fdes == int_fd) |
| 519 | result = scm_cons (scm_port_table[i]->port, result); |
| 520 | } |
| 521 | return result; |
| 522 | } |
| 523 | #undef FUNC_NAME |
| 524 | |
| 525 | |
| 526 | void |
| 527 | scm_init_ioext () |
| 528 | { |
| 529 | scm_add_feature ("i/o-extensions"); |
| 530 | |
| 531 | #include "ioext.x" |
| 532 | } |
| 533 | |