Commit | Line | Data |
---|---|---|
720b47f2 AT |
1 | /* |
2 | Copyright (C) Andrew Tridgell 1996 | |
3 | Copyright (C) Paul Mackerras 1996 | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | */ | |
19 | ||
20 | /* | |
21 | Utilities used in rsync | |
22 | ||
23 | tridge, June 1996 | |
24 | */ | |
25 | #include "rsync.h" | |
26 | ||
8cd9fd4e AT |
27 | /* if no timeout is specified then use a 60 second select timeout */ |
28 | #define SELECT_TIMEOUT 60 | |
29 | ||
8d9dc9f9 AT |
30 | static int io_multiplexing_out; |
31 | static int io_multiplexing_in; | |
679e7657 AT |
32 | static int multiplex_in_fd; |
33 | static int multiplex_out_fd; | |
8d9dc9f9 | 34 | static time_t last_io; |
528bfcd7 | 35 | static int eof_error=1; |
720b47f2 | 36 | extern int verbose; |
6ba9279f | 37 | extern int io_timeout; |
a800434a | 38 | extern struct stats stats; |
720b47f2 AT |
39 | |
40 | static int buffer_f_in = -1; | |
41 | ||
4c36ddbe | 42 | void setup_readbuffer(int f_in) |
720b47f2 | 43 | { |
22d6234e | 44 | buffer_f_in = f_in; |
720b47f2 AT |
45 | } |
46 | ||
8d9dc9f9 AT |
47 | static void check_timeout(void) |
48 | { | |
49 | time_t t; | |
50 | ||
51 | if (!io_timeout) return; | |
52 | ||
53 | if (!last_io) { | |
54 | last_io = time(NULL); | |
55 | return; | |
56 | } | |
57 | ||
58 | t = time(NULL); | |
59 | ||
86ffe37f AT |
60 | if (last_io && io_timeout && (t-last_io) >= io_timeout) { |
61 | rprintf(FERROR,"io timeout after %d second - exiting\n", | |
8d9dc9f9 | 62 | (int)(t-last_io)); |
65417579 | 63 | exit_cleanup(RERR_TIMEOUT); |
8d9dc9f9 AT |
64 | } |
65 | } | |
66 | ||
720b47f2 | 67 | |
3a6a366f AT |
68 | static char *read_buffer; |
69 | static char *read_buffer_p; | |
70 | static int read_buffer_len; | |
71 | static int read_buffer_size; | |
e44f9a12 | 72 | static int no_flush; |
c46ded46 | 73 | static int no_flush_read; |
720b47f2 | 74 | |
4c36ddbe AT |
75 | /* read from a socket with IO timeout. return the number of |
76 | bytes read. If no bytes can be read then exit, never return | |
77 | a number <= 0 */ | |
78 | static int read_timeout(int fd, char *buf, int len) | |
8d9dc9f9 | 79 | { |
4c36ddbe AT |
80 | int n, ret=0; |
81 | ||
c46ded46 | 82 | no_flush_read++; |
ea2111d1 | 83 | io_flush(); |
c46ded46 | 84 | no_flush_read--; |
ea2111d1 | 85 | |
4c36ddbe AT |
86 | while (ret == 0) { |
87 | fd_set fds; | |
88 | struct timeval tv; | |
89 | ||
90 | FD_ZERO(&fds); | |
91 | FD_SET(fd, &fds); | |
8cd9fd4e | 92 | tv.tv_sec = io_timeout?io_timeout:SELECT_TIMEOUT; |
4c36ddbe AT |
93 | tv.tv_usec = 0; |
94 | ||
8cd9fd4e | 95 | if (select(fd+1, &fds, NULL, NULL, &tv) != 1) { |
4c36ddbe AT |
96 | check_timeout(); |
97 | continue; | |
98 | } | |
99 | ||
100 | n = read(fd, buf, len); | |
101 | ||
8d9dc9f9 AT |
102 | if (n > 0) { |
103 | buf += n; | |
104 | len -= n; | |
4c36ddbe AT |
105 | ret += n; |
106 | if (io_timeout) | |
107 | last_io = time(NULL); | |
108 | continue; | |
8d9dc9f9 | 109 | } |
4c36ddbe AT |
110 | |
111 | if (n == -1 && errno == EINTR) { | |
112 | continue; | |
113 | } | |
114 | ||
8d9dc9f9 | 115 | if (n == 0) { |
528bfcd7 | 116 | if (eof_error) { |
ca8e9694 | 117 | rprintf(FERROR,"unexpected EOF in read_timeout\n"); |
528bfcd7 | 118 | } |
65417579 | 119 | exit_cleanup(RERR_STREAMIO); |
8d9dc9f9 | 120 | } |
8d9dc9f9 | 121 | |
4c36ddbe | 122 | rprintf(FERROR,"read error: %s\n", strerror(errno)); |
65417579 | 123 | exit_cleanup(RERR_STREAMIO); |
4c36ddbe | 124 | } |
8d9dc9f9 | 125 | |
4c36ddbe AT |
126 | return ret; |
127 | } | |
8d9dc9f9 | 128 | |
4c36ddbe AT |
129 | /* continue trying to read len bytes - don't return until len |
130 | has been read */ | |
131 | static void read_loop(int fd, char *buf, int len) | |
132 | { | |
133 | while (len) { | |
134 | int n = read_timeout(fd, buf, len); | |
135 | ||
136 | buf += n; | |
137 | len -= n; | |
8d9dc9f9 AT |
138 | } |
139 | } | |
140 | ||
cad2bba7 | 141 | /* read from the file descriptor handling multiplexing - |
4c36ddbe AT |
142 | return number of bytes read |
143 | never return <= 0 */ | |
8d9dc9f9 AT |
144 | static int read_unbuffered(int fd, char *buf, int len) |
145 | { | |
146 | static int remaining; | |
147 | char ibuf[4]; | |
148 | int tag, ret=0; | |
149 | char line[1024]; | |
150 | ||
679e7657 | 151 | if (!io_multiplexing_in || fd != multiplex_in_fd) |
4c36ddbe | 152 | return read_timeout(fd, buf, len); |
8d9dc9f9 AT |
153 | |
154 | while (ret == 0) { | |
155 | if (remaining) { | |
156 | len = MIN(len, remaining); | |
157 | read_loop(fd, buf, len); | |
158 | remaining -= len; | |
159 | ret = len; | |
160 | continue; | |
161 | } | |
162 | ||
163 | read_loop(fd, ibuf, 4); | |
164 | tag = IVAL(ibuf, 0); | |
679e7657 | 165 | |
8d9dc9f9 AT |
166 | remaining = tag & 0xFFFFFF; |
167 | tag = tag >> 24; | |
168 | ||
169 | if (tag == MPLEX_BASE) continue; | |
170 | ||
171 | tag -= MPLEX_BASE; | |
172 | ||
173 | if (tag != FERROR && tag != FINFO) { | |
174 | rprintf(FERROR,"unexpected tag %d\n", tag); | |
65417579 | 175 | exit_cleanup(RERR_STREAMIO); |
8d9dc9f9 AT |
176 | } |
177 | ||
178 | if (remaining > sizeof(line)-1) { | |
179 | rprintf(FERROR,"multiplexing overflow %d\n\n", | |
180 | remaining); | |
65417579 | 181 | exit_cleanup(RERR_STREAMIO); |
8d9dc9f9 AT |
182 | } |
183 | ||
184 | read_loop(fd, line, remaining); | |
185 | line[remaining] = 0; | |
186 | ||
187 | rprintf(tag,"%s", line); | |
188 | remaining = 0; | |
189 | } | |
190 | ||
191 | return ret; | |
192 | } | |
193 | ||
194 | ||
4c36ddbe | 195 | |
720b47f2 AT |
196 | /* This function was added to overcome a deadlock problem when using |
197 | * ssh. It looks like we can't allow our receive queue to get full or | |
198 | * ssh will clag up. Uggh. */ | |
199 | static void read_check(int f) | |
200 | { | |
4c36ddbe | 201 | int n = 8192; |
720b47f2 | 202 | |
5dd7e031 | 203 | if (f == -1) return; |
05c629f7 | 204 | |
5dd7e031 AT |
205 | if (read_buffer_len == 0) { |
206 | read_buffer_p = read_buffer; | |
207 | } | |
720b47f2 | 208 | |
5dd7e031 AT |
209 | if (n > MAX_READ_BUFFER/4) |
210 | n = MAX_READ_BUFFER/4; | |
720b47f2 | 211 | |
5dd7e031 AT |
212 | if (read_buffer_p != read_buffer) { |
213 | memmove(read_buffer,read_buffer_p,read_buffer_len); | |
214 | read_buffer_p = read_buffer; | |
215 | } | |
720b47f2 | 216 | |
5dd7e031 AT |
217 | if (n > (read_buffer_size - read_buffer_len)) { |
218 | read_buffer_size += n; | |
fe8c0a98 | 219 | read_buffer = (char *)Realloc(read_buffer,read_buffer_size); |
5dd7e031 AT |
220 | if (!read_buffer) out_of_memory("read check"); |
221 | read_buffer_p = read_buffer; | |
222 | } | |
223 | ||
8d9dc9f9 | 224 | n = read_unbuffered(f,read_buffer+read_buffer_len,n); |
4c36ddbe | 225 | read_buffer_len += n; |
720b47f2 AT |
226 | } |
227 | ||
4c36ddbe AT |
228 | |
229 | /* do a buffered read from fd. don't return until all N bytes | |
230 | have been read. If all N can't be read then exit with an error */ | |
231 | static void readfd(int fd,char *buffer,int N) | |
720b47f2 | 232 | { |
6ba9279f AT |
233 | int ret; |
234 | int total=0; | |
6ba9279f | 235 | |
eb601ffe | 236 | if ((read_buffer_len < N) && (N < 1024)) { |
6ba9279f | 237 | read_check(buffer_f_in); |
4c36ddbe | 238 | } |
6ba9279f AT |
239 | |
240 | while (total < N) { | |
241 | if (read_buffer_len > 0 && buffer_f_in == fd) { | |
242 | ret = MIN(read_buffer_len,N-total); | |
243 | memcpy(buffer+total,read_buffer_p,ret); | |
244 | read_buffer_p += ret; | |
245 | read_buffer_len -= ret; | |
a070c37b | 246 | total += ret; |
6ba9279f AT |
247 | continue; |
248 | } | |
249 | ||
c46ded46 | 250 | no_flush_read++; |
8d9dc9f9 | 251 | io_flush(); |
c46ded46 | 252 | no_flush_read--; |
8d9dc9f9 | 253 | |
4c36ddbe | 254 | ret = read_unbuffered(fd,buffer + total,N-total); |
6ba9279f | 255 | total += ret; |
7f28dbee | 256 | } |
1b7c47cb AT |
257 | |
258 | stats.total_read += total; | |
720b47f2 AT |
259 | } |
260 | ||
261 | ||
b7922338 | 262 | int32 read_int(int f) |
720b47f2 | 263 | { |
4c36ddbe | 264 | char b[4]; |
d730b113 AT |
265 | int32 ret; |
266 | ||
4c36ddbe | 267 | readfd(f,b,4); |
d730b113 AT |
268 | ret = IVAL(b,0); |
269 | if (ret == (int32)0xffffffff) return -1; | |
270 | return ret; | |
720b47f2 AT |
271 | } |
272 | ||
71c46176 | 273 | int64 read_longint(int f) |
3a6a366f AT |
274 | { |
275 | extern int remote_version; | |
71c46176 | 276 | int64 ret; |
3a6a366f AT |
277 | char b[8]; |
278 | ret = read_int(f); | |
71c46176 | 279 | |
8de330a3 AT |
280 | if ((int32)ret != (int32)0xffffffff) { |
281 | return ret; | |
282 | } | |
71c46176 | 283 | |
3bee6733 | 284 | #ifdef NO_INT64 |
9486289c | 285 | rprintf(FERROR,"Integer overflow - attempted 64 bit offset\n"); |
65417579 | 286 | exit_cleanup(RERR_UNSUPPORTED); |
71c46176 AT |
287 | #else |
288 | if (remote_version >= 16) { | |
4c36ddbe | 289 | readfd(f,b,8); |
71c46176 | 290 | ret = IVAL(b,0) | (((int64)IVAL(b,4))<<32); |
3a6a366f | 291 | } |
71c46176 AT |
292 | #endif |
293 | ||
3a6a366f AT |
294 | return ret; |
295 | } | |
296 | ||
720b47f2 AT |
297 | void read_buf(int f,char *buf,int len) |
298 | { | |
4c36ddbe | 299 | readfd(f,buf,len); |
720b47f2 AT |
300 | } |
301 | ||
575f2fca AT |
302 | void read_sbuf(int f,char *buf,int len) |
303 | { | |
304 | read_buf(f,buf,len); | |
305 | buf[len] = 0; | |
306 | } | |
307 | ||
182dca5c AT |
308 | unsigned char read_byte(int f) |
309 | { | |
4c36ddbe AT |
310 | unsigned char c; |
311 | read_buf(f,(char *)&c,1); | |
312 | return c; | |
182dca5c | 313 | } |
720b47f2 | 314 | |
7bec6a5c | 315 | |
7bec6a5c | 316 | |
4c36ddbe AT |
317 | /* write len bytes to fd, possibly reading from buffer_f_in if set |
318 | in order to unclog the pipe. don't return until all len | |
319 | bytes have been written */ | |
320 | static void writefd_unbuffered(int fd,char *buf,int len) | |
720b47f2 | 321 | { |
8d9dc9f9 AT |
322 | int total = 0; |
323 | fd_set w_fds, r_fds; | |
4c36ddbe | 324 | int fd_count, count; |
8d9dc9f9 | 325 | struct timeval tv; |
c46ded46 | 326 | int reading=0; |
720b47f2 | 327 | |
e44f9a12 AT |
328 | no_flush++; |
329 | ||
4c36ddbe | 330 | while (total < len) { |
8d9dc9f9 AT |
331 | FD_ZERO(&w_fds); |
332 | FD_ZERO(&r_fds); | |
333 | FD_SET(fd,&w_fds); | |
4c36ddbe AT |
334 | fd_count = fd+1; |
335 | ||
c46ded46 | 336 | if (!no_flush_read) { |
2f9af901 | 337 | reading = (buffer_f_in != -1); |
c46ded46 | 338 | } |
c95f1aa9 | 339 | |
4c36ddbe | 340 | if (reading) { |
8d9dc9f9 AT |
341 | FD_SET(buffer_f_in,&r_fds); |
342 | if (buffer_f_in > fd) | |
343 | fd_count = buffer_f_in+1; | |
344 | } | |
345 | ||
8cd9fd4e | 346 | tv.tv_sec = io_timeout?io_timeout:SELECT_TIMEOUT; |
8d9dc9f9 | 347 | tv.tv_usec = 0; |
4c36ddbe AT |
348 | |
349 | count = select(fd_count, | |
350 | reading?&r_fds:NULL, | |
351 | &w_fds,NULL, | |
8cd9fd4e | 352 | &tv); |
4c36ddbe AT |
353 | |
354 | if (count <= 0) { | |
8d9dc9f9 AT |
355 | check_timeout(); |
356 | continue; | |
357 | } | |
4c36ddbe | 358 | |
c95f1aa9 AT |
359 | if (reading && FD_ISSET(buffer_f_in, &r_fds)) { |
360 | read_check(buffer_f_in); | |
361 | } | |
362 | ||
8d9dc9f9 | 363 | if (FD_ISSET(fd, &w_fds)) { |
1f5c6343 | 364 | int n = len-total; |
bf9f0168 | 365 | int ret = write(fd,buf+total,n?n:1); |
4c36ddbe AT |
366 | |
367 | if (ret == -1 && errno == EINTR) { | |
368 | continue; | |
369 | } | |
370 | ||
371 | if (ret <= 0) { | |
372 | rprintf(FERROR,"erroring writing %d bytes - exiting\n", len); | |
65417579 | 373 | exit_cleanup(RERR_STREAMIO); |
4c36ddbe AT |
374 | } |
375 | ||
376 | total += ret; | |
a800434a | 377 | |
4c36ddbe AT |
378 | if (io_timeout) |
379 | last_io = time(NULL); | |
8d9dc9f9 | 380 | } |
4c36ddbe | 381 | } |
e44f9a12 AT |
382 | |
383 | no_flush--; | |
720b47f2 AT |
384 | } |
385 | ||
8d9dc9f9 | 386 | |
d6dead6b AT |
387 | static char *io_buffer; |
388 | static int io_buffer_count; | |
389 | ||
390 | void io_start_buffering(int fd) | |
391 | { | |
8d9dc9f9 | 392 | if (io_buffer) return; |
679e7657 | 393 | multiplex_out_fd = fd; |
8d9dc9f9 | 394 | io_buffer = (char *)malloc(IO_BUFFER_SIZE+4); |
d6dead6b AT |
395 | if (!io_buffer) out_of_memory("writefd"); |
396 | io_buffer_count = 0; | |
8d9dc9f9 AT |
397 | |
398 | /* leave room for the multiplex header in case it's needed */ | |
399 | io_buffer += 4; | |
d6dead6b AT |
400 | } |
401 | ||
8d9dc9f9 | 402 | void io_flush(void) |
d6dead6b | 403 | { |
679e7657 | 404 | int fd = multiplex_out_fd; |
e44f9a12 | 405 | if (!io_buffer_count || no_flush) return; |
8d9dc9f9 AT |
406 | |
407 | if (io_multiplexing_out) { | |
408 | SIVAL(io_buffer-4, 0, (MPLEX_BASE<<24) + io_buffer_count); | |
4c36ddbe | 409 | writefd_unbuffered(fd, io_buffer-4, io_buffer_count+4); |
8d9dc9f9 | 410 | } else { |
4c36ddbe | 411 | writefd_unbuffered(fd, io_buffer, io_buffer_count); |
d6dead6b | 412 | } |
8d9dc9f9 AT |
413 | io_buffer_count = 0; |
414 | } | |
415 | ||
416 | void io_end_buffering(int fd) | |
417 | { | |
418 | io_flush(); | |
419 | if (!io_multiplexing_out) { | |
420 | free(io_buffer-4); | |
421 | io_buffer = NULL; | |
422 | } | |
d6dead6b AT |
423 | } |
424 | ||
4c36ddbe | 425 | static void writefd(int fd,char *buf,int len) |
d6dead6b | 426 | { |
1b7c47cb AT |
427 | stats.total_written += len; |
428 | ||
4c36ddbe AT |
429 | if (!io_buffer) { |
430 | writefd_unbuffered(fd, buf, len); | |
431 | return; | |
432 | } | |
d6dead6b AT |
433 | |
434 | while (len) { | |
435 | int n = MIN(len, IO_BUFFER_SIZE-io_buffer_count); | |
436 | if (n > 0) { | |
437 | memcpy(io_buffer+io_buffer_count, buf, n); | |
438 | buf += n; | |
439 | len -= n; | |
440 | io_buffer_count += n; | |
441 | } | |
442 | ||
8d9dc9f9 | 443 | if (io_buffer_count == IO_BUFFER_SIZE) io_flush(); |
d6dead6b | 444 | } |
d6dead6b | 445 | } |
720b47f2 AT |
446 | |
447 | ||
b7922338 | 448 | void write_int(int f,int32 x) |
720b47f2 | 449 | { |
8d9dc9f9 AT |
450 | char b[4]; |
451 | SIVAL(b,0,x); | |
4c36ddbe | 452 | writefd(f,b,4); |
720b47f2 AT |
453 | } |
454 | ||
71c46176 | 455 | void write_longint(int f, int64 x) |
3a6a366f AT |
456 | { |
457 | extern int remote_version; | |
458 | char b[8]; | |
3a6a366f AT |
459 | |
460 | if (remote_version < 16 || x <= 0x7FFFFFFF) { | |
461 | write_int(f, (int)x); | |
462 | return; | |
463 | } | |
464 | ||
8de330a3 | 465 | write_int(f, (int32)0xFFFFFFFF); |
3a6a366f AT |
466 | SIVAL(b,0,(x&0xFFFFFFFF)); |
467 | SIVAL(b,4,((x>>32)&0xFFFFFFFF)); | |
468 | ||
4c36ddbe | 469 | writefd(f,b,8); |
3a6a366f AT |
470 | } |
471 | ||
720b47f2 AT |
472 | void write_buf(int f,char *buf,int len) |
473 | { | |
4c36ddbe | 474 | writefd(f,buf,len); |
720b47f2 AT |
475 | } |
476 | ||
f0fca04e | 477 | /* write a string to the connection */ |
6e4fb64e | 478 | static void write_sbuf(int f,char *buf) |
f0fca04e AT |
479 | { |
480 | write_buf(f, buf, strlen(buf)); | |
481 | } | |
482 | ||
720b47f2 | 483 | |
182dca5c AT |
484 | void write_byte(int f,unsigned char c) |
485 | { | |
f0fca04e | 486 | write_buf(f,(char *)&c,1); |
182dca5c AT |
487 | } |
488 | ||
f0fca04e AT |
489 | int read_line(int f, char *buf, int maxlen) |
490 | { | |
528bfcd7 AT |
491 | eof_error = 0; |
492 | ||
f0fca04e | 493 | while (maxlen) { |
528bfcd7 | 494 | buf[0] = 0; |
f0fca04e | 495 | read_buf(f, buf, 1); |
528bfcd7 | 496 | if (buf[0] == 0) return 0; |
f0fca04e AT |
497 | if (buf[0] == '\n') { |
498 | buf[0] = 0; | |
499 | break; | |
500 | } | |
501 | if (buf[0] != '\r') { | |
502 | buf++; | |
503 | maxlen--; | |
504 | } | |
505 | } | |
506 | if (maxlen == 0) { | |
507 | *buf = 0; | |
508 | return 0; | |
509 | } | |
528bfcd7 AT |
510 | |
511 | eof_error = 1; | |
512 | ||
f0fca04e AT |
513 | return 1; |
514 | } | |
515 | ||
516 | ||
517 | void io_printf(int fd, const char *format, ...) | |
518 | { | |
519 | va_list ap; | |
520 | char buf[1024]; | |
521 | int len; | |
522 | ||
523 | va_start(ap, format); | |
37f9805d | 524 | len = vslprintf(buf, sizeof(buf), format, ap); |
f0fca04e AT |
525 | va_end(ap); |
526 | ||
65417579 | 527 | if (len < 0) exit_cleanup(RERR_STREAMIO); |
f0fca04e AT |
528 | |
529 | write_sbuf(fd, buf); | |
530 | } | |
8d9dc9f9 AT |
531 | |
532 | ||
533 | /* setup for multiplexing an error stream with the data stream */ | |
534 | void io_start_multiplex_out(int fd) | |
535 | { | |
679e7657 AT |
536 | multiplex_out_fd = fd; |
537 | io_flush(); | |
8d9dc9f9 AT |
538 | io_start_buffering(fd); |
539 | io_multiplexing_out = 1; | |
540 | } | |
541 | ||
542 | /* setup for multiplexing an error stream with the data stream */ | |
543 | void io_start_multiplex_in(int fd) | |
544 | { | |
679e7657 AT |
545 | multiplex_in_fd = fd; |
546 | io_flush(); | |
8d9dc9f9 AT |
547 | if (read_buffer_len) { |
548 | fprintf(stderr,"ERROR: data in read buffer at mplx start\n"); | |
65417579 | 549 | exit_cleanup(RERR_STREAMIO); |
8d9dc9f9 AT |
550 | } |
551 | ||
552 | io_multiplexing_in = 1; | |
553 | } | |
554 | ||
555 | /* write an message to the error stream */ | |
556 | int io_multiplex_write(int f, char *buf, int len) | |
557 | { | |
558 | if (!io_multiplexing_out) return 0; | |
559 | ||
560 | io_flush(); | |
561 | ||
562 | SIVAL(io_buffer-4, 0, ((MPLEX_BASE + f)<<24) + len); | |
563 | memcpy(io_buffer, buf, len); | |
564 | ||
1b7c47cb AT |
565 | stats.total_written += (len+4); |
566 | ||
679e7657 | 567 | writefd_unbuffered(multiplex_out_fd, io_buffer-4, len+4); |
8d9dc9f9 AT |
568 | return 1; |
569 | } | |
570 | ||
571 | void io_close_input(int fd) | |
572 | { | |
573 | buffer_f_in = -1; | |
574 | } |