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be54b15d | 1 | /* Copyright (C) 1995,1996,1998,1999,2000,2001 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. */ |
1bbd0b84 | 41 | |
1bbd0b84 | 42 | |
0f2d19dd JB |
43 | \f |
44 | ||
a0599745 | 45 | #include "libguile/_scm.h" |
681b9005 MD |
46 | |
47 | #include <stdio.h> | |
48 | #ifdef HAVE_UNISTD_H | |
49 | #include <unistd.h> | |
50 | #endif | |
51 | ||
a0599745 MD |
52 | #include "libguile/unif.h" |
53 | #include "libguile/eval.h" | |
54 | #include "libguile/ports.h" | |
55 | #include "libguile/read.h" | |
56 | #include "libguile/root.h" | |
57 | #include "libguile/strings.h" | |
07bcf91d | 58 | #include "libguile/modules.h" |
fe78b6c0 | 59 | #include "libguile/validate.h" |
ca13a04a | 60 | #include "libguile/deprecation.h" |
20e6290e | 61 | |
a0599745 | 62 | #include "libguile/strports.h" |
0f2d19dd | 63 | |
95b88819 GH |
64 | #ifdef HAVE_STRING_H |
65 | #include <string.h> | |
66 | #endif | |
67 | ||
0f2d19dd JB |
68 | \f |
69 | ||
70 | /* {Ports - string ports} | |
71 | * | |
72 | */ | |
73 | ||
3fe6190f GH |
74 | /* NOTES: |
75 | write_buf/write_end point to the ends of the allocated string. | |
76 | read_buf/read_end in principle point to the part of the string which | |
77 | has been written to, but this is only updated after a flush. | |
78 | read_pos and write_pos in principle should be equal, but this is only true | |
61e452ba | 79 | when rw_active is SCM_PORT_NEITHER. |
3fe6190f | 80 | */ |
1cc91f1b | 81 | |
92c2555f | 82 | scm_t_bits scm_tc16_strport; |
a98bddfd DH |
83 | |
84 | ||
ee149d03 JB |
85 | static int |
86 | stfill_buffer (SCM port) | |
0f2d19dd | 87 | { |
92c2555f | 88 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
ee149d03 | 89 | |
ee149d03 JB |
90 | if (pt->read_pos >= pt->read_end) |
91 | return EOF; | |
92 | else | |
41b0806d | 93 | return scm_return_first_int (*pt->read_pos, port); |
0f2d19dd JB |
94 | } |
95 | ||
3fe6190f GH |
96 | /* change the size of a port's string to new_size. this doesn't |
97 | change read_buf_size. */ | |
754c9491 | 98 | static void |
92c2555f | 99 | st_resize_port (scm_t_port *pt, off_t new_size) |
754c9491 | 100 | { |
94115ae3 | 101 | SCM old_stream = SCM_PACK (pt->stream); |
be54b15d | 102 | SCM new_stream = scm_allocate_string (new_size); |
c014a02e ML |
103 | unsigned long int old_size = SCM_STRING_LENGTH (old_stream); |
104 | unsigned long int min_size = min (old_size, new_size); | |
105 | unsigned long int i; | |
74a16888 | 106 | |
3fe6190f GH |
107 | off_t index = pt->write_pos - pt->write_buf; |
108 | ||
109 | pt->write_buf_size = new_size; | |
110 | ||
94115ae3 DH |
111 | for (i = 0; i != min_size; ++i) |
112 | SCM_STRING_CHARS (new_stream) [i] = SCM_STRING_CHARS (old_stream) [i]; | |
754c9491 | 113 | |
94115ae3 | 114 | /* reset buffer. */ |
754c9491 | 115 | { |
729dbac3 | 116 | pt->stream = SCM_UNPACK (new_stream); |
94115ae3 | 117 | pt->read_buf = pt->write_buf = SCM_STRING_UCHARS (new_stream); |
3fe6190f GH |
118 | pt->read_pos = pt->write_pos = pt->write_buf + index; |
119 | pt->write_end = pt->write_buf + pt->write_buf_size; | |
120 | pt->read_end = pt->read_buf + pt->read_buf_size; | |
754c9491 JB |
121 | } |
122 | } | |
123 | ||
3fe6190f GH |
124 | /* amount by which write_buf is expanded. */ |
125 | #define SCM_WRITE_BLOCK 80 | |
126 | ||
127 | /* ensure that write_pos < write_end by enlarging the buffer when | |
128 | necessary. update read_buf to account for written chars. */ | |
ee149d03 JB |
129 | static void |
130 | st_flush (SCM port) | |
0f2d19dd | 131 | { |
92c2555f | 132 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
ee149d03 JB |
133 | |
134 | if (pt->write_pos == pt->write_end) | |
135 | { | |
3fe6190f | 136 | st_resize_port (pt, pt->write_buf_size + SCM_WRITE_BLOCK); |
754c9491 JB |
137 | } |
138 | pt->read_pos = pt->write_pos; | |
3fe6190f GH |
139 | if (pt->read_pos > pt->read_end) |
140 | { | |
141 | pt->read_end = (unsigned char *) pt->read_pos; | |
142 | pt->read_buf_size = pt->read_end - pt->read_buf; | |
143 | } | |
61e452ba | 144 | pt->rw_active = SCM_PORT_NEITHER; |
754c9491 JB |
145 | } |
146 | ||
31703ab8 | 147 | static void |
8aa011a1 | 148 | st_write (SCM port, const void *data, size_t size) |
31703ab8 | 149 | { |
92c2555f | 150 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
31703ab8 GH |
151 | const char *input = (char *) data; |
152 | ||
153 | while (size > 0) | |
154 | { | |
155 | int space = pt->write_end - pt->write_pos; | |
156 | int write_len = (size > space) ? space : size; | |
157 | ||
4b8ec619 | 158 | memcpy ((char *) pt->write_pos, input, write_len); |
31703ab8 GH |
159 | pt->write_pos += write_len; |
160 | size -= write_len; | |
161 | input += write_len; | |
162 | if (write_len == space) | |
163 | st_flush (port); | |
164 | } | |
165 | } | |
166 | ||
754c9491 | 167 | static void |
affc96b5 | 168 | st_end_input (SCM port, int offset) |
754c9491 | 169 | { |
92c2555f | 170 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
7dcb364d | 171 | |
cd19d608 GH |
172 | if (pt->read_pos - pt->read_buf < offset) |
173 | scm_misc_error ("st_end_input", "negative position", SCM_EOL); | |
174 | ||
a3c8b9fc | 175 | pt->write_pos = (unsigned char *) (pt->read_pos = pt->read_pos - offset); |
61e452ba | 176 | pt->rw_active = SCM_PORT_NEITHER; |
754c9491 JB |
177 | } |
178 | ||
179 | static off_t | |
180 | st_seek (SCM port, off_t offset, int whence) | |
181 | { | |
92c2555f | 182 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
754c9491 JB |
183 | off_t target; |
184 | ||
7dcb364d GH |
185 | if (pt->rw_active == SCM_PORT_READ && offset == 0 && whence == SEEK_CUR) |
186 | /* special case to avoid disturbing the unread-char buffer. */ | |
754c9491 | 187 | { |
7dcb364d GH |
188 | if (pt->read_buf == pt->putback_buf) |
189 | { | |
190 | target = pt->saved_read_pos - pt->saved_read_buf | |
191 | - (pt->read_end - pt->read_pos); | |
192 | } | |
193 | else | |
194 | { | |
195 | target = pt->read_pos - pt->read_buf; | |
196 | } | |
754c9491 | 197 | } |
7dcb364d GH |
198 | else |
199 | /* all other cases. */ | |
754c9491 | 200 | { |
7dcb364d GH |
201 | if (pt->rw_active == SCM_PORT_WRITE) |
202 | st_flush (port); | |
203 | ||
204 | if (pt->rw_active == SCM_PORT_READ) | |
205 | scm_end_input (port); | |
206 | ||
207 | switch (whence) | |
208 | { | |
209 | case SEEK_CUR: | |
210 | target = pt->read_pos - pt->read_buf + offset; | |
211 | break; | |
212 | case SEEK_END: | |
213 | target = pt->read_end - pt->read_buf + offset; | |
214 | break; | |
215 | default: /* SEEK_SET */ | |
216 | target = offset; | |
217 | break; | |
218 | } | |
219 | ||
220 | if (target < 0) | |
221 | scm_misc_error ("st_seek", "negative offset", SCM_EOL); | |
222 | ||
223 | if (target >= pt->write_buf_size) | |
3fe6190f | 224 | { |
206d3de3 | 225 | if (!(SCM_CELL_WORD_0 (port) & SCM_WRTNG)) |
3fe6190f | 226 | { |
7dcb364d GH |
227 | if (target > pt->write_buf_size) |
228 | { | |
229 | scm_misc_error ("st_seek", | |
230 | "seek past end of read-only strport", | |
231 | SCM_EOL); | |
232 | } | |
233 | } | |
234 | else | |
235 | { | |
236 | st_resize_port (pt, target + (target == pt->write_buf_size | |
237 | ? SCM_WRITE_BLOCK | |
238 | : 0)); | |
3fe6190f GH |
239 | } |
240 | } | |
7dcb364d GH |
241 | pt->read_pos = pt->write_pos = pt->read_buf + target; |
242 | if (pt->read_pos > pt->read_end) | |
3fe6190f | 243 | { |
7dcb364d GH |
244 | pt->read_end = (unsigned char *) pt->read_pos; |
245 | pt->read_buf_size = pt->read_end - pt->read_buf; | |
3fe6190f | 246 | } |
ee149d03 | 247 | } |
754c9491 JB |
248 | return target; |
249 | } | |
250 | ||
251 | static void | |
affc96b5 | 252 | st_truncate (SCM port, off_t length) |
754c9491 | 253 | { |
92c2555f | 254 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
3fe6190f GH |
255 | |
256 | if (length > pt->write_buf_size) | |
257 | st_resize_port (pt, length); | |
258 | ||
259 | pt->read_buf_size = length; | |
260 | pt->read_end = pt->read_buf + length; | |
261 | if (pt->read_pos > pt->read_end) | |
262 | pt->read_pos = pt->read_end; | |
754c9491 | 263 | |
3fe6190f GH |
264 | if (pt->write_pos > pt->read_end) |
265 | pt->write_pos = pt->read_end; | |
0f2d19dd JB |
266 | } |
267 | ||
0f2d19dd | 268 | SCM |
1bbd0b84 | 269 | scm_mkstrport (SCM pos, SCM str, long modes, const char *caller) |
0f2d19dd JB |
270 | { |
271 | SCM z; | |
92c2555f | 272 | scm_t_port *pt; |
1be6b49c | 273 | size_t str_len; |
754c9491 JB |
274 | |
275 | SCM_ASSERT (SCM_INUMP(pos) && SCM_INUM(pos) >= 0, pos, SCM_ARG1, caller); | |
a6d9e5ab DH |
276 | SCM_ASSERT (SCM_STRINGP (str), str, SCM_ARG1, caller); |
277 | str_len = SCM_STRING_LENGTH (str); | |
754c9491 JB |
278 | if (SCM_INUM (pos) > str_len) |
279 | scm_out_of_range (caller, pos); | |
280 | if (!((modes & SCM_WRTNG) || (modes & SCM_RDNG))) | |
281 | scm_misc_error ("scm_mkstrport", "port must read or write", SCM_EOL); | |
5f16b897 | 282 | |
0f2d19dd | 283 | SCM_DEFER_INTS; |
da220f27 HWN |
284 | z = scm_new_port_table_entry (scm_tc16_strport); |
285 | pt = SCM_PTAB_ENTRY(z); | |
74a16888 | 286 | SCM_SETSTREAM (z, SCM_UNPACK (str)); |
da220f27 | 287 | SCM_SET_CELL_TYPE(z, scm_tc16_strport|modes); |
34f0f2b8 | 288 | pt->write_buf = pt->read_buf = SCM_STRING_UCHARS (str); |
754c9491 JB |
289 | pt->read_pos = pt->write_pos = pt->read_buf + SCM_INUM (pos); |
290 | pt->write_buf_size = pt->read_buf_size = str_len; | |
291 | pt->write_end = pt->read_end = pt->read_buf + pt->read_buf_size; | |
3fe6190f | 292 | |
0de97b83 | 293 | pt->rw_random = 1; |
3fe6190f | 294 | |
0f2d19dd | 295 | SCM_ALLOW_INTS; |
3fe6190f GH |
296 | |
297 | /* ensure write_pos is writable. */ | |
754c9491 JB |
298 | if ((modes & SCM_WRTNG) && pt->write_pos == pt->write_end) |
299 | st_flush (z); | |
0f2d19dd JB |
300 | return z; |
301 | } | |
302 | ||
3fe6190f GH |
303 | /* create a new string from a string port's buffer. */ |
304 | SCM scm_strport_to_string (SCM port) | |
305 | { | |
92c2555f | 306 | scm_t_port *pt = SCM_PTAB_ENTRY (port); |
36284627 | 307 | SCM str; |
3fe6190f GH |
308 | |
309 | if (pt->rw_active == SCM_PORT_WRITE) | |
310 | st_flush (port); | |
36284627 DH |
311 | |
312 | str = scm_mem2string ((char *) pt->read_buf, pt->read_buf_size); | |
313 | scm_remember_upto_here_1 (port); | |
314 | return str; | |
3fe6190f GH |
315 | } |
316 | ||
fe78b6c0 KN |
317 | SCM_DEFINE (scm_object_to_string, "object->string", 1, 1, 0, |
318 | (SCM obj, SCM printer), | |
319 | "Return a Scheme string obtained by printing @var{obj}.\n" | |
320 | "Printing function can be specified by the optional second\n" | |
321 | "argument @var{printer} (default: @code{write}).") | |
1f3908c4 KN |
322 | #define FUNC_NAME s_scm_object_to_string |
323 | { | |
fe78b6c0 KN |
324 | SCM str, port; |
325 | ||
326 | if (!SCM_UNBNDP (printer)) | |
327 | SCM_VALIDATE_PROC (2, printer); | |
1f3908c4 | 328 | |
be54b15d | 329 | str = scm_allocate_string (0); |
1a92274c | 330 | port = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_WRTNG, FUNC_NAME); |
fe78b6c0 KN |
331 | |
332 | if (SCM_UNBNDP (printer)) | |
333 | scm_write (obj, port); | |
334 | else | |
fdc28395 | 335 | scm_call_2 (printer, obj, port); |
fe78b6c0 | 336 | |
1f3908c4 KN |
337 | return scm_strport_to_string (port); |
338 | } | |
339 | #undef FUNC_NAME | |
340 | ||
3b3b36dd | 341 | SCM_DEFINE (scm_call_with_output_string, "call-with-output-string", 1, 0, 0, |
1bbd0b84 | 342 | (SCM proc), |
b380b885 MD |
343 | "Calls the one-argument procedure @var{proc} with a newly created output\n" |
344 | "port. When the function returns, the string composed of the characters\n" | |
345 | "written into the port is returned.") | |
1bbd0b84 | 346 | #define FUNC_NAME s_scm_call_with_output_string |
0f2d19dd JB |
347 | { |
348 | SCM p; | |
754c9491 JB |
349 | |
350 | p = scm_mkstrport (SCM_INUM0, | |
351 | scm_make_string (SCM_INUM0, SCM_UNDEFINED), | |
352 | SCM_OPN | SCM_WRTNG, | |
1bbd0b84 | 353 | FUNC_NAME); |
fdc28395 | 354 | scm_call_1 (proc, p); |
3fe6190f GH |
355 | |
356 | return scm_strport_to_string (p); | |
0f2d19dd | 357 | } |
1bbd0b84 | 358 | #undef FUNC_NAME |
0f2d19dd | 359 | |
3b3b36dd | 360 | SCM_DEFINE (scm_call_with_input_string, "call-with-input-string", 2, 0, 0, |
1e6808ea MG |
361 | (SCM string, SCM proc), |
362 | "Calls the one-argument procedure @var{proc} with a newly\n" | |
363 | "created input port from which @var{string}'s contents may be\n" | |
364 | "read. The value yielded by the @var{proc} is returned.") | |
1bbd0b84 | 365 | #define FUNC_NAME s_scm_call_with_input_string |
0f2d19dd | 366 | { |
1e6808ea | 367 | SCM p = scm_mkstrport(SCM_INUM0, string, SCM_OPN | SCM_RDNG, FUNC_NAME); |
fdc28395 | 368 | return scm_call_1 (proc, p); |
0f2d19dd | 369 | } |
1bbd0b84 | 370 | #undef FUNC_NAME |
0f2d19dd | 371 | |
e87a03fc MG |
372 | SCM_DEFINE (scm_open_input_string, "open-input-string", 1, 0, 0, |
373 | (SCM str), | |
1e6808ea MG |
374 | "Take a string and return an input port that delivers characters\n" |
375 | "from the string. The port can be closed by\n" | |
e87a03fc MG |
376 | "@code{close-input-port}, though its storage will be reclaimed\n" |
377 | "by the garbage collector if it becomes inaccessible.") | |
378 | #define FUNC_NAME s_scm_open_input_string | |
379 | { | |
380 | SCM p = scm_mkstrport(SCM_INUM0, str, SCM_OPN | SCM_RDNG, FUNC_NAME); | |
381 | return p; | |
382 | } | |
383 | #undef FUNC_NAME | |
384 | ||
385 | SCM_DEFINE (scm_open_output_string, "open-output-string", 0, 0, 0, | |
386 | (void), | |
1e6808ea | 387 | "Return an output port that will accumulate characters for\n" |
e87a03fc MG |
388 | "retrieval by @code{get-output-string}. The port can be closed\n" |
389 | "by the procedure @code{close-output-port}, though its storage\n" | |
390 | "will be reclaimed by the garbage collector if it becomes\n" | |
391 | "inaccessible.") | |
392 | #define FUNC_NAME s_scm_open_output_string | |
393 | { | |
394 | SCM p; | |
395 | ||
396 | p = scm_mkstrport (SCM_INUM0, | |
397 | scm_make_string (SCM_INUM0, SCM_UNDEFINED), | |
398 | SCM_OPN | SCM_WRTNG, | |
399 | FUNC_NAME); | |
400 | return p; | |
401 | } | |
402 | #undef FUNC_NAME | |
403 | ||
404 | SCM_DEFINE (scm_get_output_string, "get-output-string", 1, 0, 0, | |
405 | (SCM port), | |
406 | "Given an output port created by @code{open-output-string},\n" | |
1e6808ea | 407 | "return a string consisting of the characters that have been\n" |
e87a03fc MG |
408 | "output to the port so far.") |
409 | #define FUNC_NAME s_scm_get_output_string | |
410 | { | |
411 | SCM_VALIDATE_OPOUTSTRPORT (1, port); | |
412 | return scm_strport_to_string (port); | |
413 | } | |
414 | #undef FUNC_NAME | |
1cc91f1b | 415 | |
cd07a097 | 416 | |
a8aa30d8 MD |
417 | /* Given a null-terminated string EXPR containing a Scheme expression |
418 | read it, and return it as an SCM value. */ | |
419 | SCM | |
ca13a04a | 420 | scm_c_read_string (const char *expr) |
a8aa30d8 | 421 | { |
3fe6190f | 422 | SCM port = scm_mkstrport (SCM_INUM0, |
a8aa30d8 MD |
423 | scm_makfrom0str (expr), |
424 | SCM_OPN | SCM_RDNG, | |
ca13a04a | 425 | "scm_c_read_string"); |
a8aa30d8 MD |
426 | SCM form; |
427 | ||
428 | /* Read expressions from that port; ignore the values. */ | |
deca31e1 | 429 | form = scm_read (port); |
a8aa30d8 MD |
430 | |
431 | scm_close_port (port); | |
432 | return form; | |
433 | } | |
434 | ||
cd07a097 | 435 | /* Given a null-terminated string EXPR containing Scheme program text, |
a8aa30d8 MD |
436 | evaluate it, and return the result of the last expression evaluated. */ |
437 | SCM | |
ca13a04a | 438 | scm_c_eval_string (const char *expr) |
cd07a097 | 439 | { |
b377f53e JB |
440 | return scm_eval_string (scm_makfrom0str (expr)); |
441 | } | |
442 | ||
96e83482 MV |
443 | static SCM |
444 | inner_eval_string (void *data) | |
b377f53e | 445 | { |
96e83482 | 446 | SCM port = (SCM)data; |
cd07a097 | 447 | SCM form; |
b377f53e | 448 | SCM ans = SCM_UNSPECIFIED; |
cd07a097 JB |
449 | |
450 | /* Read expressions from that port; ignore the values. */ | |
0c32d76c | 451 | while (!SCM_EOF_OBJECT_P (form = scm_read (port))) |
96e83482 | 452 | ans = scm_primitive_eval_x (form); |
cd07a097 | 453 | |
0d7368d7 JB |
454 | /* Don't close the port here; if we re-enter this function via a |
455 | continuation, then the next time we enter it, we'll get an error. | |
456 | It's a string port anyway, so there's no advantage to closing it | |
457 | early. */ | |
458 | ||
a8aa30d8 | 459 | return ans; |
cd07a097 | 460 | } |
96e83482 MV |
461 | |
462 | SCM_DEFINE (scm_eval_string, "eval-string", 1, 0, 0, | |
463 | (SCM string), | |
464 | "Evaluate @var{string} as the text representation of a Scheme\n" | |
465 | "form or forms, and return whatever value they produce.\n" | |
466 | "Evaluation takes place in the environment returned by the\n" | |
467 | "procedure @code{interaction-environment}.") | |
468 | #define FUNC_NAME s_scm_eval_string | |
469 | { | |
470 | SCM port = scm_mkstrport (SCM_INUM0, string, SCM_OPN | SCM_RDNG, | |
ca13a04a | 471 | "eval-string"); |
96e83482 MV |
472 | return scm_c_call_with_current_module (scm_interaction_environment (), |
473 | inner_eval_string, (void *)port); | |
474 | } | |
1bbd0b84 | 475 | #undef FUNC_NAME |
cd07a097 | 476 | |
92c2555f | 477 | static scm_t_bits |
0b6881fa | 478 | scm_make_stptob () |
0f2d19dd | 479 | { |
92c2555f | 480 | scm_t_bits tc = scm_make_port_type ("string", stfill_buffer, st_write); |
a98bddfd | 481 | |
6c747373 | 482 | scm_set_port_mark (tc, scm_markstream); |
affc96b5 GH |
483 | scm_set_port_end_input (tc, st_end_input); |
484 | scm_set_port_flush (tc, st_flush); | |
6c747373 | 485 | scm_set_port_seek (tc, st_seek); |
affc96b5 | 486 | scm_set_port_truncate (tc, st_truncate); |
a98bddfd DH |
487 | |
488 | return tc; | |
0f2d19dd JB |
489 | } |
490 | ||
0f2d19dd JB |
491 | void |
492 | scm_init_strports () | |
0f2d19dd | 493 | { |
a98bddfd DH |
494 | scm_tc16_strport = scm_make_stptob (); |
495 | ||
a0599745 | 496 | #include "libguile/strports.x" |
0f2d19dd JB |
497 | } |
498 | ||
89e00824 ML |
499 | |
500 | /* | |
501 | Local Variables: | |
502 | c-file-style: "gnu" | |
503 | End: | |
504 | */ |