Commit | Line | Data |
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7dc6e754 | 1 | /* Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
0f2d19dd JB |
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 | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
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. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
0f2d19dd JB |
41 | \f |
42 | ||
43 | #include <stdio.h> | |
cb63cf9e | 44 | #include <fcntl.h> |
0f2d19dd | 45 | #include "_scm.h" |
20e6290e JB |
46 | |
47 | #include "fports.h" | |
95b88819 GH |
48 | |
49 | #ifdef HAVE_STRING_H | |
50 | #include <string.h> | |
51 | #endif | |
0f2d19dd JB |
52 | #ifdef HAVE_UNISTD_H |
53 | #include <unistd.h> | |
54 | #else | |
0f2d19dd JB |
55 | scm_sizet fwrite (); |
56 | #endif | |
cb63cf9e JB |
57 | #ifdef HAVE_ST_BLKSIZE |
58 | #include <sys/stat.h> | |
59 | #endif | |
0f2d19dd | 60 | |
cb63cf9e | 61 | #include <errno.h> |
e145dd02 | 62 | |
cb63cf9e JB |
63 | #include "iselect.h" |
64 | ||
65 | /* create FPORT buffer with specified sizes (or -1 to use default size or | |
66 | 0 for no buffer. */ | |
67 | static void | |
68 | scm_fport_buffer_add (SCM port, int read_size, int write_size) | |
e145dd02 | 69 | { |
cb63cf9e JB |
70 | struct scm_fport *fp = SCM_FSTREAM (port); |
71 | struct scm_port_table *pt = SCM_PTAB_ENTRY (port); | |
72 | char *s_scm_fport_buffer_add = "scm_fport_buffer_add"; | |
e145dd02 | 73 | |
cb63cf9e JB |
74 | if (read_size == -1 || write_size == -1) |
75 | { | |
76 | int default_size; | |
77 | #ifdef HAVE_ST_BLKSIZE | |
78 | struct stat st; | |
79 | ||
80 | if (fstat (fp->fdes, &st) == -1) | |
81 | scm_syserror (s_scm_fport_buffer_add); | |
82 | default_size = st.st_blksize; | |
83 | #else | |
84 | default_size = 1024; | |
85 | #endif | |
86 | if (read_size == -1) | |
87 | read_size = default_size; | |
88 | if (write_size == -1) | |
89 | write_size = default_size; | |
90 | } | |
0f2d19dd | 91 | |
cb63cf9e JB |
92 | if (SCM_INPORTP (port) && read_size > 0) |
93 | { | |
94 | pt->read_buf = scm_must_malloc (read_size, s_scm_fport_buffer_add); | |
95 | pt->read_pos = pt->read_end = pt->read_buf; | |
96 | pt->read_buf_size = read_size; | |
97 | } | |
98 | else | |
99 | { | |
100 | pt->read_buf = pt->read_pos = pt->read_end = &pt->shortbuf; | |
101 | pt->read_buf_size = 1; | |
102 | } | |
1717856b | 103 | |
cb63cf9e JB |
104 | if (SCM_OUTPORTP (port) && write_size > 0) |
105 | { | |
106 | pt->write_buf = scm_must_malloc (write_size, s_scm_fport_buffer_add); | |
107 | pt->write_pos = pt->write_buf; | |
108 | pt->write_buf_size = write_size; | |
109 | } | |
110 | else | |
111 | { | |
112 | pt->write_buf = pt->write_pos = &pt->shortbuf; | |
113 | pt->write_buf_size = 1; | |
114 | } | |
115 | ||
116 | pt->write_end = pt->write_buf + pt->write_buf_size; | |
117 | if (read_size > 0 || write_size > 0) | |
118 | SCM_SETCAR (port, SCM_CAR (port) & ~SCM_BUF0); | |
119 | else | |
120 | SCM_SETCAR (port, (SCM_CAR (port) | SCM_BUF0)); | |
7a6f1ffa GH |
121 | } |
122 | ||
123 | SCM_PROC (s_setvbuf, "setvbuf", 2, 1, 0, scm_setvbuf); | |
124 | SCM | |
125 | scm_setvbuf (SCM port, SCM mode, SCM size) | |
126 | { | |
7a6f1ffa | 127 | int cmode, csize; |
cb63cf9e | 128 | struct scm_port_table *pt; |
7a6f1ffa | 129 | |
78446828 MV |
130 | port = SCM_COERCE_OUTPORT (port); |
131 | ||
cb63cf9e JB |
132 | SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, |
133 | s_setvbuf); | |
7a6f1ffa | 134 | SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_setvbuf); |
cb63cf9e JB |
135 | cmode = SCM_INUM (mode); |
136 | if (cmode != _IONBF && cmode != _IOFBF) | |
137 | scm_out_of_range (s_setvbuf, mode); | |
7a6f1ffa | 138 | if (SCM_UNBNDP (size)) |
cb63cf9e JB |
139 | { |
140 | if (cmode == _IOFBF) | |
141 | csize = -1; | |
142 | else | |
143 | csize = 0; | |
144 | } | |
7a6f1ffa GH |
145 | else |
146 | { | |
147 | SCM_ASSERT (SCM_INUMP (size), size, SCM_ARG3, s_setvbuf); | |
148 | csize = SCM_INUM (size); | |
cb63cf9e JB |
149 | if (csize < 0 || (cmode == _IONBF && csize > 0)) |
150 | scm_out_of_range (s_setvbuf, size); | |
7a6f1ffa | 151 | } |
cb63cf9e | 152 | pt = SCM_PTAB_ENTRY (port); |
7a6f1ffa | 153 | |
cb63cf9e JB |
154 | /* silently discards buffered chars. */ |
155 | if (pt->read_buf != &pt->shortbuf) | |
156 | scm_must_free (pt->read_buf); | |
157 | if (pt->write_buf != &pt->shortbuf) | |
158 | scm_must_free (pt->write_buf); | |
7a6f1ffa | 159 | |
cb63cf9e JB |
160 | scm_fport_buffer_add (port, csize, csize); |
161 | return SCM_UNSPECIFIED; | |
0f2d19dd JB |
162 | } |
163 | ||
eadd48de GH |
164 | /* Move ports with the specified file descriptor to new descriptors, |
165 | * reseting the revealed count to 0. | |
0f2d19dd | 166 | */ |
1717856b | 167 | |
eadd48de GH |
168 | void |
169 | scm_evict_ports (fd) | |
170 | int fd; | |
0f2d19dd | 171 | { |
eadd48de | 172 | int i; |
0f2d19dd | 173 | |
eadd48de GH |
174 | for (i = 0; i < scm_port_table_size; i++) |
175 | { | |
cb63cf9e JB |
176 | SCM port = scm_port_table[i]->port; |
177 | ||
178 | if (SCM_FPORTP (port)) | |
eadd48de | 179 | { |
cb63cf9e JB |
180 | struct scm_fport *fp = SCM_FSTREAM (port); |
181 | ||
182 | if (fp->fdes == fd) | |
183 | { | |
184 | fp->fdes = dup (fd); | |
185 | if (fp->fdes == -1) | |
186 | scm_syserror ("scm_evict_ports"); | |
187 | scm_set_port_revealed_x (port, SCM_MAKINUM (0)); | |
188 | } | |
eadd48de GH |
189 | } |
190 | } | |
191 | } | |
0f2d19dd JB |
192 | |
193 | /* scm_open_file | |
194 | * Return a new port open on a given file. | |
195 | * | |
196 | * The mode string must match the pattern: [rwa+]** which | |
197 | * is interpreted in the usual unix way. | |
198 | * | |
199 | * Return the new port. | |
200 | */ | |
19639113 | 201 | SCM_PROC(s_open_file, "open-file", 2, 0, 0, scm_open_file); |
1717856b | 202 | |
0f2d19dd | 203 | SCM |
19639113 GH |
204 | scm_open_file (filename, modes) |
205 | SCM filename; | |
206 | SCM modes; | |
0f2d19dd | 207 | { |
19639113 | 208 | SCM port; |
cb63cf9e JB |
209 | int fdes; |
210 | int flags = 0; | |
19639113 GH |
211 | char *file; |
212 | char *mode; | |
cb63cf9e | 213 | char *ptr; |
19639113 GH |
214 | |
215 | SCM_ASSERT (SCM_NIMP (filename) && SCM_ROSTRINGP (filename), filename, SCM_ARG1, s_open_file); | |
216 | SCM_ASSERT (SCM_NIMP (modes) && SCM_ROSTRINGP (modes), modes, SCM_ARG2, s_open_file); | |
217 | if (SCM_SUBSTRP (filename)) | |
218 | filename = scm_makfromstr (SCM_ROCHARS (filename), SCM_ROLENGTH (filename), 0); | |
219 | if (SCM_SUBSTRP (modes)) | |
220 | modes = scm_makfromstr (SCM_ROCHARS (modes), SCM_ROLENGTH (modes), 0); | |
221 | ||
222 | file = SCM_ROCHARS (filename); | |
223 | mode = SCM_ROCHARS (modes); | |
224 | ||
cb63cf9e | 225 | switch (*mode) |
0f2d19dd | 226 | { |
cb63cf9e JB |
227 | case 'r': |
228 | flags |= O_RDONLY; | |
229 | break; | |
230 | case 'w': | |
231 | flags |= O_WRONLY | O_CREAT | O_TRUNC; | |
232 | break; | |
233 | case 'a': | |
234 | flags |= O_WRONLY | O_CREAT | O_APPEND; | |
235 | break; | |
236 | default: | |
237 | scm_out_of_range (s_open_file, modes); | |
0f2d19dd | 238 | } |
cb63cf9e JB |
239 | ptr = mode + 1; |
240 | while (*ptr != '\0') | |
e145dd02 | 241 | { |
cb63cf9e JB |
242 | switch (*ptr) |
243 | { | |
244 | case '+': | |
245 | flags = (flags & ~(O_RDONLY | O_WRONLY)) | O_RDWR; | |
246 | break; | |
247 | case '0': /* unbuffered: handled later. */ | |
248 | case 'b': /* 'binary' mode: ignored. */ | |
249 | break; | |
250 | default: | |
251 | scm_out_of_range (s_open_file, modes); | |
252 | } | |
253 | ptr++; | |
e145dd02 | 254 | } |
cb63cf9e JB |
255 | SCM_SYSCALL (fdes = open (file, flags, 0666)); |
256 | if (fdes == -1) | |
e145dd02 | 257 | { |
cb63cf9e JB |
258 | int en = errno; |
259 | ||
260 | scm_syserror_msg (s_open_file, "%s: %S", | |
261 | scm_cons (scm_makfrom0str (strerror (en)), | |
262 | scm_cons (filename, SCM_EOL)), | |
263 | en); | |
0f2d19dd | 264 | } |
cb63cf9e | 265 | port = scm_fdes_to_port (fdes, mode, filename); |
0f2d19dd JB |
266 | return port; |
267 | } | |
268 | ||
e145dd02 | 269 | \f |
cb63cf9e | 270 | /* Building Guile ports from a file descriptor. */ |
e145dd02 | 271 | |
cb63cf9e | 272 | /* Build a Scheme port from an open file descriptor `fdes'. |
a089567e JB |
273 | MODE indicates whether FILE is open for reading or writing; it uses |
274 | the same notation as open-file's second argument. | |
e145dd02 | 275 | Use NAME as the port's filename. */ |
cb63cf9e | 276 | |
a089567e | 277 | SCM |
cb63cf9e | 278 | scm_fdes_to_port (int fdes, char *mode, SCM name) |
a089567e JB |
279 | { |
280 | long mode_bits = scm_mode_bits (mode); | |
281 | SCM port; | |
282 | struct scm_port_table * pt; | |
283 | ||
284 | SCM_NEWCELL (port); | |
285 | SCM_DEFER_INTS; | |
cb63cf9e JB |
286 | pt = scm_add_to_port_table (port); |
287 | SCM_SETPTAB_ENTRY (port, pt); | |
288 | SCM_SETCAR (port, (scm_tc16_fport | mode_bits)); | |
289 | ||
a089567e | 290 | { |
cb63cf9e JB |
291 | struct scm_fport *fp |
292 | = (struct scm_fport *) scm_must_malloc (sizeof (struct scm_fport), | |
293 | "scm_fdes_to_port"); | |
294 | fp->fdes = fdes; | |
295 | fp->random = SCM_FDES_RANDOM_P (fdes); | |
296 | ||
297 | SCM_SETSTREAM (port, fp); | |
298 | if (mode_bits & SCM_BUF0) | |
299 | scm_fport_buffer_add (port, 0, 0); | |
300 | else | |
301 | scm_fport_buffer_add (port, -1, -1); | |
a089567e | 302 | } |
cb63cf9e | 303 | SCM_PTAB_ENTRY (port)->file_name = name; |
a089567e | 304 | SCM_ALLOW_INTS; |
e145dd02 JB |
305 | return port; |
306 | } | |
307 | ||
308 | ||
cb63cf9e JB |
309 | /* Check whether an fport's fdes can supply input. */ |
310 | static int | |
311 | fport_input_waiting_p (SCM port) | |
e145dd02 | 312 | { |
cb63cf9e JB |
313 | int fdes = SCM_FSTREAM (port)->fdes; |
314 | ||
315 | #ifdef HAVE_SELECT | |
316 | struct timeval timeout; | |
317 | SELECT_TYPE read_set; | |
318 | SELECT_TYPE write_set; | |
319 | SELECT_TYPE except_set; | |
320 | ||
321 | FD_ZERO (&read_set); | |
322 | FD_ZERO (&write_set); | |
323 | FD_ZERO (&except_set); | |
324 | ||
325 | FD_SET (fdes, &read_set); | |
326 | ||
327 | timeout.tv_sec = 0; | |
328 | timeout.tv_usec = 0; | |
329 | ||
330 | if (select (SELECT_SET_SIZE, | |
331 | &read_set, &write_set, &except_set, &timeout) | |
332 | < 0) | |
333 | scm_syserror ("fport_input_waiting_p"); | |
334 | return FD_ISSET (fdes, &read_set); | |
335 | #elif defined (FIONREAD) | |
336 | int remir; | |
337 | ioctl(fdes, FIONREAD, &remir); | |
338 | return remir; | |
339 | #else | |
340 | scm_misc_error ("fport_input_waiting_p", | |
341 | "Not fully implemented on this platform", | |
342 | SCM_EOL); | |
343 | #endif | |
a089567e JB |
344 | } |
345 | ||
cb63cf9e JB |
346 | /* Clear an fport's read buffer and return buffered chars. */ |
347 | char * | |
348 | scm_fport_drain_input (SCM port, int *count_return) | |
349 | { | |
350 | struct scm_port_table *pt = SCM_PTAB_ENTRY (port); | |
351 | char *result = pt->read_pos; | |
a089567e | 352 | |
cb63cf9e JB |
353 | *count_return = pt->read_end - pt->read_pos; |
354 | pt->read_pos = pt->read_end; | |
355 | return result; | |
356 | } | |
1717856b | 357 | |
cb63cf9e | 358 | \f |
1717856b JB |
359 | static int prinfport SCM_P ((SCM exp, SCM port, scm_print_state *pstate)); |
360 | ||
0f2d19dd | 361 | static int |
1717856b | 362 | prinfport (exp, port, pstate) |
0f2d19dd JB |
363 | SCM exp; |
364 | SCM port; | |
1717856b | 365 | scm_print_state *pstate; |
0f2d19dd JB |
366 | { |
367 | SCM name; | |
368 | char * c; | |
369 | if (SCM_CLOSEDP (exp)) | |
370 | { | |
371 | c = "file"; | |
372 | } | |
373 | else | |
374 | { | |
375 | name = SCM_PTAB_ENTRY (exp)->file_name; | |
376 | if (SCM_NIMP (name) && SCM_ROSTRINGP (name)) | |
377 | c = SCM_ROCHARS (name); | |
378 | else | |
379 | c = "file"; | |
380 | } | |
19639113 | 381 | |
0f2d19dd JB |
382 | scm_prinport (exp, port, c); |
383 | return !0; | |
384 | } | |
385 | ||
cb63cf9e JB |
386 | #ifdef GUILE_ISELECT |
387 | /* thread-local block for input on fport's fdes. */ | |
388 | static void | |
389 | fport_wait_for_input (SCM port) | |
3cb988bd | 390 | { |
cb63cf9e | 391 | int fdes = SCM_FSTREAM (port)->fdes; |
3cb988bd | 392 | |
cb63cf9e | 393 | if (!fport_input_waiting_p (port)) |
8122b543 | 394 | { |
cb63cf9e JB |
395 | int n; |
396 | SELECT_TYPE readfds; | |
397 | int flags = fcntl (fdes, F_GETFL); | |
398 | ||
399 | if (flags == -1) | |
400 | scm_syserror ("scm_fdes_wait_for_input"); | |
401 | if (!(flags & O_NONBLOCK)) | |
402 | do | |
403 | { | |
404 | FD_ZERO (&readfds); | |
405 | FD_SET (fdes, &readfds); | |
406 | n = scm_internal_select (fdes + 1, &readfds, NULL, NULL, NULL); | |
407 | } | |
408 | while (n == -1 && errno == EINTR); | |
8122b543 | 409 | } |
3cb988bd | 410 | } |
0f2d19dd JB |
411 | #endif |
412 | ||
cb63cf9e | 413 | static void local_fflush (SCM port); |
0f2d19dd | 414 | |
cb63cf9e JB |
415 | /* fill a port's read-buffer with a single read. |
416 | returns the first char and moves the read_pos pointer past it. | |
417 | or returns EOF if end of file. */ | |
0f2d19dd | 418 | static int |
cb63cf9e | 419 | fport_fill_buffer (SCM port) |
0f2d19dd | 420 | { |
cb63cf9e JB |
421 | int count; |
422 | struct scm_port_table *pt = SCM_PTAB_ENTRY (port); | |
423 | struct scm_fport *fp = SCM_FSTREAM (port); | |
424 | ||
425 | if (fp->random) | |
426 | { | |
427 | /* flush any write buffer first: fix file position and allow the | |
428 | newly written chars to be read. */ | |
429 | if (pt->write_pos > pt->write_buf) | |
430 | local_fflush (port); | |
431 | pt->write_needs_seek = 1; | |
432 | } | |
433 | #ifdef GUILE_ISELECT | |
434 | fport_wait_for_input (port); | |
435 | #endif | |
436 | SCM_SYSCALL (count = read (fp->fdes, pt->read_buf, pt->read_buf_size)); | |
437 | if (count == -1) | |
438 | scm_syserror ("fport_fill_buffer"); | |
439 | if (count == 0) | |
440 | return EOF; | |
441 | else | |
442 | { | |
443 | pt->read_pos = pt->read_buf + 1; | |
444 | pt->read_end = pt->read_buf + count; | |
445 | return (*(pt->read_buf)); | |
446 | } | |
0f2d19dd JB |
447 | } |
448 | ||
cb63cf9e JB |
449 | static off_t |
450 | local_seek (SCM port, off_t offset, int whence) | |
0f2d19dd | 451 | { |
cb63cf9e | 452 | struct scm_fport *fp = SCM_FSTREAM (port); |
ea9fc30d | 453 | |
cb63cf9e | 454 | return lseek (fp->fdes, offset, whence); |
0f2d19dd JB |
455 | } |
456 | ||
cb63cf9e JB |
457 | /* becomes 1 when process is exiting: exception handling is disabled. */ |
458 | extern int terminating; | |
0f2d19dd | 459 | |
cb63cf9e JB |
460 | static void |
461 | local_fflush (SCM port) | |
0f2d19dd | 462 | { |
cb63cf9e JB |
463 | struct scm_port_table *pt = SCM_PTAB_ENTRY (port); |
464 | struct scm_fport *fp = SCM_FSTREAM (port); | |
465 | char *ptr = pt->write_buf; | |
466 | int init_size = pt->write_pos - pt->write_buf; | |
467 | int remaining = init_size; | |
0f2d19dd | 468 | |
cb63cf9e JB |
469 | while (remaining > 0) |
470 | { | |
471 | int count; | |
472 | ||
473 | SCM_SYSCALL (count = write (fp->fdes, ptr, remaining)); | |
474 | if (count < 0) | |
475 | { | |
476 | /* error. assume nothing was written this call, but | |
477 | fix up the buffer for any previous successful writes. */ | |
478 | int done = init_size - remaining; | |
479 | ||
480 | if (done > 0) | |
481 | { | |
482 | int i; | |
483 | ||
484 | for (i = 0; i < remaining; i++) | |
485 | { | |
486 | *(pt->write_buf + i) = *(pt->write_buf + done + i); | |
487 | } | |
488 | pt->write_pos = pt->write_buf + remaining; | |
489 | } | |
490 | if (!terminating) | |
491 | scm_syserror ("local_fflush"); | |
492 | else | |
493 | { | |
494 | const char *msg = "Error: could not flush file-descriptor "; | |
495 | char buf[11]; | |
496 | ||
497 | write (2, msg, strlen (msg)); | |
498 | sprintf (buf, "%d\n", fp->fdes); | |
499 | write (2, buf, strlen (buf)); | |
500 | ||
501 | count = remaining; | |
502 | } | |
503 | } | |
504 | ptr += count; | |
505 | remaining -= count; | |
506 | } | |
507 | pt->write_pos = pt->write_buf; | |
8f29fbd0 JB |
508 | } |
509 | ||
6a2c4c81 | 510 | static int |
cb63cf9e | 511 | local_fclose (SCM port) |
6a2c4c81 | 512 | { |
cb63cf9e JB |
513 | struct scm_fport *fp = SCM_FSTREAM (port); |
514 | struct scm_port_table *pt = SCM_PTAB_ENTRY (port); | |
515 | int rv; | |
516 | ||
517 | local_fflush (port); | |
518 | SCM_SYSCALL (rv = close (fp->fdes)); | |
519 | if (rv == -1 && errno != EBADF) | |
520 | scm_syserror ("local_fclose"); | |
521 | if (pt->read_buf != &pt->shortbuf) | |
522 | scm_must_free (pt->read_buf); | |
523 | if (pt->write_buf != &pt->shortbuf) | |
524 | scm_must_free (pt->write_buf); | |
525 | scm_must_free ((char *) fp); | |
526 | return rv; | |
6a2c4c81 JB |
527 | } |
528 | ||
0f2d19dd | 529 | scm_ptobfuns scm_fptob = |
cb63cf9e | 530 | { |
dc53f026 | 531 | 0, |
ea9fc30d | 532 | local_fclose, |
0f2d19dd JB |
533 | prinfport, |
534 | 0, | |
ea9fc30d | 535 | local_fflush, |
cb63cf9e JB |
536 | local_fclose, |
537 | fport_fill_buffer, | |
538 | local_seek, | |
539 | fport_input_waiting_p, | |
19468eff | 540 | }; |
0f2d19dd | 541 | |
0f2d19dd JB |
542 | void |
543 | scm_init_fports () | |
0f2d19dd JB |
544 | { |
545 | #include "fports.x" | |
7a6f1ffa GH |
546 | scm_sysintern ("_IOFBF", SCM_MAKINUM (_IOFBF)); |
547 | scm_sysintern ("_IOLBF", SCM_MAKINUM (_IOLBF)); | |
548 | scm_sysintern ("_IONBF", SCM_MAKINUM (_IONBF)); | |
0f2d19dd | 549 | } |