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80a18298 | 1 | /* Skeleton for test programs. |
f7a9f785 | 2 | Copyright (C) 1998-2016 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
80a18298 UD |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
80a18298 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
80a18298 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
80a18298 | 19 | |
d7a05d07 | 20 | #include <assert.h> |
e1d8e1b7 | 21 | #include <errno.h> |
c5bb8e23 | 22 | #include <fcntl.h> |
80a18298 | 23 | #include <getopt.h> |
854278df | 24 | #include <malloc.h> |
c5bb8e23 | 25 | #include <paths.h> |
b9337b6a | 26 | #include <search.h> |
80a18298 UD |
27 | #include <signal.h> |
28 | #include <stdio.h> | |
29 | #include <stdlib.h> | |
4380ef5e | 30 | #include <string.h> |
80a18298 UD |
31 | #include <unistd.h> |
32 | #include <sys/resource.h> | |
33 | #include <sys/wait.h> | |
63b11dd1 | 34 | #include <sys/param.h> |
fa4a36fd | 35 | #include <time.h> |
80a18298 UD |
36 | |
37 | /* The test function is normally called `do_test' and it is called | |
38 | with argc and argv as the arguments. We nevertheless provide the | |
39 | possibility to overwrite this name. */ | |
40 | #ifndef TEST_FUNCTION | |
41 | # define TEST_FUNCTION do_test (argc, argv) | |
42 | #endif | |
43 | ||
63b11dd1 RM |
44 | #ifndef TEST_DATA_LIMIT |
45 | # define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with. */ | |
46 | #endif | |
80a18298 | 47 | |
b0b88abc | 48 | #ifndef TIMEOUT |
a28605b2 MF |
49 | /* Default timeout is twenty seconds. Tests should normally complete faster |
50 | than this, but if they don't, that's abnormal (a bug) anyways. */ | |
51 | # define TIMEOUT 20 | |
b0b88abc RM |
52 | #endif |
53 | ||
80a18298 UD |
54 | #define OPT_DIRECT 1000 |
55 | #define OPT_TESTDIR 1001 | |
56 | ||
57 | static struct option options[] = | |
58 | { | |
59 | #ifdef CMDLINE_OPTIONS | |
60 | CMDLINE_OPTIONS | |
61 | #endif | |
62 | { "direct", no_argument, NULL, OPT_DIRECT }, | |
63 | { "test-dir", required_argument, NULL, OPT_TESTDIR }, | |
64 | { NULL, 0, NULL, 0 } | |
65 | }; | |
66 | ||
67 | /* PID of the test itself. */ | |
608c5afd | 68 | static pid_t pid; |
80a18298 UD |
69 | |
70 | /* Directory to place temporary files in. */ | |
71 | static const char *test_dir; | |
72 | ||
530bb2bf PP |
73 | static void |
74 | oom_error (const char *fn, size_t size) | |
75 | { | |
76 | printf ("%s: unable to allocate %zu bytes: %m\n", fn, size); | |
77 | exit (1); | |
78 | } | |
79 | ||
80 | /* Allocate N bytes of memory dynamically, with error checking. */ | |
9d52cb01 | 81 | __attribute__ ((unused)) |
530bb2bf | 82 | static void * |
530bb2bf PP |
83 | xmalloc (size_t n) |
84 | { | |
85 | void *p; | |
86 | ||
87 | p = malloc (n); | |
88 | if (p == NULL) | |
89 | oom_error ("malloc", n); | |
90 | return p; | |
91 | } | |
92 | ||
93 | /* Allocate memory for N elements of S bytes, with error checking. */ | |
9d52cb01 | 94 | __attribute__ ((unused)) |
530bb2bf | 95 | static void * |
530bb2bf PP |
96 | xcalloc (size_t n, size_t s) |
97 | { | |
98 | void *p; | |
99 | ||
100 | p = calloc (n, s); | |
101 | if (p == NULL) | |
102 | oom_error ("calloc", n * s); | |
103 | return p; | |
104 | } | |
105 | ||
106 | /* Change the size of an allocated block of memory P to N bytes, | |
107 | with error checking. */ | |
9d52cb01 | 108 | __attribute__ ((unused)) |
530bb2bf | 109 | static void * |
530bb2bf PP |
110 | xrealloc (void *p, size_t n) |
111 | { | |
64ba1731 FW |
112 | void *result = realloc (p, n); |
113 | if (result == NULL && (n > 0 || p == NULL)) | |
530bb2bf | 114 | oom_error ("realloc", n); |
64ba1731 | 115 | return result; |
530bb2bf PP |
116 | } |
117 | ||
14699b6e FW |
118 | /* Write a message to standard output. Can be used in signal |
119 | handlers. */ | |
120 | static void | |
121 | __attribute__ ((unused)) | |
122 | write_message (const char *message) | |
123 | { | |
124 | ssize_t unused __attribute__ ((unused)); | |
125 | unused = write (STDOUT_FILENO, message, strlen (message)); | |
126 | } | |
127 | ||
b9337b6a | 128 | /* List of temporary files. */ |
51eecc4a | 129 | struct temp_name_list |
b9337b6a UD |
130 | { |
131 | struct qelem q; | |
cc8dcf96 | 132 | char *name; |
51eecc4a | 133 | } *temp_name_list; |
b9337b6a UD |
134 | |
135 | /* Add temporary files in list. */ | |
9c0592ab | 136 | static void |
5cd6f8f7 | 137 | __attribute__ ((unused)) |
b9337b6a UD |
138 | add_temp_file (const char *name) |
139 | { | |
51eecc4a | 140 | struct temp_name_list *newp |
530bb2bf | 141 | = (struct temp_name_list *) xcalloc (sizeof (*newp), 1); |
cc8dcf96 | 142 | char *newname = strdup (name); |
530bb2bf | 143 | if (newname != NULL) |
b9337b6a | 144 | { |
cc8dcf96 | 145 | newp->name = newname; |
51eecc4a AJ |
146 | if (temp_name_list == NULL) |
147 | temp_name_list = (struct temp_name_list *) &newp->q; | |
b9337b6a | 148 | else |
51eecc4a | 149 | insque (newp, temp_name_list); |
b9337b6a | 150 | } |
cc8dcf96 FW |
151 | else |
152 | free (newp); | |
b9337b6a UD |
153 | } |
154 | ||
155 | /* Delete all temporary files. */ | |
9c0592ab | 156 | static void |
b9337b6a UD |
157 | delete_temp_files (void) |
158 | { | |
51eecc4a | 159 | while (temp_name_list != NULL) |
b9337b6a | 160 | { |
51eecc4a | 161 | remove (temp_name_list->name); |
cc8dcf96 FW |
162 | free (temp_name_list->name); |
163 | ||
164 | struct temp_name_list *next | |
165 | = (struct temp_name_list *) temp_name_list->q.q_forw; | |
166 | free (temp_name_list); | |
167 | temp_name_list = next; | |
b9337b6a UD |
168 | } |
169 | } | |
170 | ||
cc8dcf96 FW |
171 | /* Create a temporary file. Return the opened file descriptor on |
172 | success, or -1 on failure. Write the file name to *FILENAME if | |
173 | FILENAME is not NULL. In this case, the caller is expected to free | |
174 | *FILENAME. */ | |
10e62564 UD |
175 | static int |
176 | __attribute__ ((unused)) | |
177 | create_temp_file (const char *base, char **filename) | |
178 | { | |
179 | char *fname; | |
180 | int fd; | |
181 | ||
530bb2bf PP |
182 | fname = (char *) xmalloc (strlen (test_dir) + 1 + strlen (base) |
183 | + sizeof ("XXXXXX")); | |
10e62564 UD |
184 | strcpy (stpcpy (stpcpy (stpcpy (fname, test_dir), "/"), base), "XXXXXX"); |
185 | ||
186 | fd = mkstemp (fname); | |
187 | if (fd == -1) | |
188 | { | |
189 | printf ("cannot open temporary file '%s': %m\n", fname); | |
190 | free (fname); | |
191 | return -1; | |
192 | } | |
193 | ||
194 | add_temp_file (fname); | |
195 | if (filename != NULL) | |
196 | *filename = fname; | |
cc8dcf96 FW |
197 | else |
198 | free (fname); | |
10e62564 UD |
199 | |
200 | return fd; | |
201 | } | |
202 | ||
80a18298 | 203 | /* Timeout handler. We kill the child and exit with an error. */ |
9c0592ab | 204 | static void |
8c0b7170 | 205 | __attribute__ ((noreturn)) |
85fda49b | 206 | signal_handler (int sig __attribute__ ((unused))) |
80a18298 UD |
207 | { |
208 | int killed; | |
b79e3737 | 209 | int status; |
80a18298 | 210 | |
d7a05d07 MR |
211 | assert (pid > 1); |
212 | /* Kill the whole process group. */ | |
213 | kill (-pid, SIGKILL); | |
214 | /* In case setpgid failed in the child, kill it individually too. */ | |
80a18298 UD |
215 | kill (pid, SIGKILL); |
216 | ||
217 | /* Wait for it to terminate. */ | |
6d0e6e84 UD |
218 | int i; |
219 | for (i = 0; i < 5; ++i) | |
220 | { | |
221 | killed = waitpid (pid, &status, WNOHANG|WUNTRACED); | |
222 | if (killed != 0) | |
223 | break; | |
224 | ||
225 | /* Delay, give the system time to process the kill. If the | |
226 | nanosleep() call return prematurely, all the better. We | |
227 | won't restart it since this probably means the child process | |
228 | finally died. */ | |
33192609 UD |
229 | struct timespec ts; |
230 | ts.tv_sec = 0; | |
231 | ts.tv_nsec = 100000000; | |
6d0e6e84 UD |
232 | nanosleep (&ts, NULL); |
233 | } | |
80a18298 UD |
234 | if (killed != 0 && killed != pid) |
235 | { | |
c5c13355 | 236 | printf ("Failed to kill test process: %m\n"); |
80a18298 UD |
237 | exit (1); |
238 | } | |
239 | ||
240 | #ifdef CLEANUP_HANDLER | |
241 | CLEANUP_HANDLER; | |
242 | #endif | |
243 | ||
85fda49b UD |
244 | if (sig == SIGINT) |
245 | { | |
246 | signal (sig, SIG_DFL); | |
247 | raise (sig); | |
248 | } | |
249 | ||
4614167a UD |
250 | /* If we expected this signal: good! */ |
251 | #ifdef EXPECTED_SIGNAL | |
252 | if (EXPECTED_SIGNAL == SIGALRM) | |
253 | exit (0); | |
254 | #endif | |
255 | ||
6d0e6e84 | 256 | if (killed == 0 || (WIFSIGNALED (status) && WTERMSIG (status) == SIGKILL)) |
c5c13355 | 257 | puts ("Timed out: killed the child process"); |
b79e3737 | 258 | else if (WIFSTOPPED (status)) |
c5c13355 WN |
259 | printf ("Timed out: the child process was %s\n", |
260 | strsignal (WSTOPSIG (status))); | |
b79e3737 | 261 | else if (WIFSIGNALED (status)) |
c5c13355 WN |
262 | printf ("Timed out: the child process got signal %s\n", |
263 | strsignal (WTERMSIG (status))); | |
b79e3737 | 264 | else |
c5c13355 WN |
265 | printf ("Timed out: killed the child process but it exited %d\n", |
266 | WEXITSTATUS (status)); | |
80a18298 UD |
267 | |
268 | /* Exit with an error. */ | |
269 | exit (1); | |
270 | } | |
271 | ||
02242448 TMQMF |
272 | /* Avoid all the buffer overflow messages on stderr. */ |
273 | static void | |
274 | __attribute__ ((unused)) | |
275 | ignore_stderr (void) | |
276 | { | |
277 | int fd = open (_PATH_DEVNULL, O_WRONLY); | |
278 | if (fd == -1) | |
279 | close (STDERR_FILENO); | |
280 | else | |
281 | { | |
282 | dup2 (fd, STDERR_FILENO); | |
283 | close (fd); | |
284 | } | |
285 | setenv ("LIBC_FATAL_STDERR_", "1", 1); | |
286 | } | |
287 | ||
c5bb8e23 MF |
288 | /* Set fortification error handler. Used when tests want to verify that bad |
289 | code is caught by the library. */ | |
290 | static void | |
291 | __attribute__ ((unused)) | |
292 | set_fortify_handler (void (*handler) (int sig)) | |
293 | { | |
294 | struct sigaction sa; | |
295 | ||
296 | sa.sa_handler = handler; | |
297 | sa.sa_flags = 0; | |
298 | sigemptyset (&sa.sa_mask); | |
299 | ||
300 | sigaction (SIGABRT, &sa, NULL); | |
02242448 | 301 | ignore_stderr (); |
c5bb8e23 MF |
302 | } |
303 | ||
496405af MF |
304 | /* Show people how to run the program. */ |
305 | static void | |
306 | usage (void) | |
307 | { | |
308 | size_t i; | |
309 | ||
310 | printf ("Usage: %s [options]\n" | |
311 | "\n" | |
312 | "Environment Variables:\n" | |
313 | " TIMEOUTFACTOR An integer used to scale the timeout\n" | |
314 | " TMPDIR Where to place temporary files\n" | |
315 | "\n", | |
316 | program_invocation_short_name); | |
317 | printf ("Options:\n"); | |
318 | for (i = 0; options[i].name; ++i) | |
319 | { | |
320 | int indent; | |
321 | ||
322 | indent = printf (" --%s", options[i].name); | |
323 | if (options[i].has_arg == required_argument) | |
324 | indent += printf (" <arg>"); | |
325 | printf ("%*s", 25 - indent, ""); | |
326 | switch (options[i].val) | |
327 | { | |
328 | case OPT_DIRECT: | |
329 | printf ("Run the test directly (instead of forking & monitoring)"); | |
330 | break; | |
331 | case OPT_TESTDIR: | |
332 | printf ("Override the TMPDIR env var"); | |
333 | break; | |
334 | } | |
335 | printf ("\n"); | |
336 | } | |
337 | } | |
338 | ||
80a18298 UD |
339 | /* We provide the entry point here. */ |
340 | int | |
341 | main (int argc, char *argv[]) | |
342 | { | |
343 | int direct = 0; /* Directly call the test function? */ | |
344 | int status; | |
345 | int opt; | |
dc391246 | 346 | unsigned int timeoutfactor = 1; |
608c5afd | 347 | pid_t termpid; |
80a18298 | 348 | |
f690b569 | 349 | #ifndef TEST_NO_MALLOPT |
854278df UD |
350 | /* Make uses of freed and uninitialized memory known. */ |
351 | mallopt (M_PERTURB, 42); | |
f690b569 | 352 | #endif |
854278df | 353 | |
e7c036b3 UD |
354 | #ifdef STDOUT_UNBUFFERED |
355 | setbuf (stdout, NULL); | |
356 | #endif | |
357 | ||
6f1acb30 | 358 | while ((opt = getopt_long (argc, argv, "+", options, NULL)) != -1) |
80a18298 UD |
359 | switch (opt) |
360 | { | |
361 | case '?': | |
496405af | 362 | usage (); |
80a18298 UD |
363 | exit (1); |
364 | case OPT_DIRECT: | |
365 | direct = 1; | |
366 | break; | |
367 | case OPT_TESTDIR: | |
368 | test_dir = optarg; | |
369 | break; | |
370 | #ifdef CMDLINE_PROCESS | |
371 | CMDLINE_PROCESS | |
372 | #endif | |
373 | } | |
374 | ||
dc391246 UD |
375 | /* If set, read the test TIMEOUTFACTOR value from the environment. |
376 | This value is used to scale the default test timeout values. */ | |
377 | char *envstr_timeoutfactor = getenv ("TIMEOUTFACTOR"); | |
378 | if (envstr_timeoutfactor != NULL) | |
379 | { | |
380 | char *envstr_conv = envstr_timeoutfactor; | |
381 | unsigned long int env_fact; | |
382 | ||
383 | env_fact = strtoul (envstr_timeoutfactor, &envstr_conv, 0); | |
384 | if (*envstr_conv == '\0' && envstr_conv != envstr_timeoutfactor) | |
385 | timeoutfactor = MAX (env_fact, 1); | |
386 | } | |
387 | ||
80a18298 UD |
388 | /* Set TMPDIR to specified test directory. */ |
389 | if (test_dir != NULL) | |
390 | { | |
391 | setenv ("TMPDIR", test_dir, 1); | |
392 | ||
393 | if (chdir (test_dir) < 0) | |
394 | { | |
c5c13355 | 395 | printf ("chdir: %m\n"); |
80a18298 UD |
396 | exit (1); |
397 | } | |
398 | } | |
b9337b6a UD |
399 | else |
400 | { | |
401 | test_dir = getenv ("TMPDIR"); | |
402 | if (test_dir == NULL || test_dir[0] == '\0') | |
403 | test_dir = "/tmp"; | |
404 | } | |
80a18298 | 405 | |
6b9c2e67 UD |
406 | /* Make sure we see all message, even those on stdout. */ |
407 | setvbuf (stdout, NULL, _IONBF, 0); | |
408 | ||
b0b88abc | 409 | /* Make sure temporary files are deleted. */ |
310b3460 UD |
410 | atexit (delete_temp_files); |
411 | ||
726b7b0f | 412 | /* Correct for the possible parameters. */ |
55033a44 | 413 | argv[optind - 1] = argv[0]; |
726b7b0f UD |
414 | argv += optind - 1; |
415 | argc -= optind - 1; | |
416 | ||
310b3460 UD |
417 | /* Call the initializing function, if one is available. */ |
418 | #ifdef PREPARE | |
419 | PREPARE (argc, argv); | |
420 | #endif | |
421 | ||
b0b88abc RM |
422 | const char *envstr_direct = getenv ("TEST_DIRECT"); |
423 | if (envstr_direct != NULL) | |
424 | { | |
425 | FILE *f = fopen (envstr_direct, "w"); | |
426 | if (f == NULL) | |
427 | { | |
428 | printf ("cannot open TEST_DIRECT output file '%s': %m\n", | |
429 | envstr_direct); | |
430 | exit (1); | |
431 | } | |
432 | ||
433 | fprintf (f, "timeout=%u\ntimeoutfactor=%u\n", TIMEOUT, timeoutfactor); | |
434 | #ifdef EXPECTED_STATUS | |
435 | fprintf (f, "exit=%u\n", EXPECTED_STATUS); | |
436 | #endif | |
437 | #ifdef EXPECTED_SIGNAL | |
438 | switch (EXPECTED_SIGNAL) | |
439 | { | |
440 | default: abort (); | |
441 | # define init_sig(signo, name, text) \ | |
442 | case signo: fprintf (f, "signal=%s\n", name); break; | |
443 | # include <siglist.h> | |
444 | # undef init_sig | |
445 | } | |
446 | #endif | |
447 | ||
448 | if (temp_name_list != NULL) | |
449 | { | |
330fadfc | 450 | struct temp_name_list *n; |
b0b88abc | 451 | fprintf (f, "temp_files=(\n"); |
330fadfc | 452 | for (n = temp_name_list; |
b0b88abc RM |
453 | n != NULL; |
454 | n = (struct temp_name_list *) n->q.q_forw) | |
455 | fprintf (f, " '%s'\n", n->name); | |
456 | fprintf (f, ")\n"); | |
457 | } | |
458 | ||
459 | fclose (f); | |
460 | direct = 1; | |
461 | } | |
462 | ||
80a18298 UD |
463 | /* If we are not expected to fork run the function immediately. */ |
464 | if (direct) | |
465 | return TEST_FUNCTION; | |
466 | ||
467 | /* Set up the test environment: | |
468 | - prevent core dumps | |
469 | - set up the timer | |
470 | - fork and execute the function. */ | |
471 | ||
472 | pid = fork (); | |
473 | if (pid == 0) | |
474 | { | |
475 | /* This is the child. */ | |
476 | #ifdef RLIMIT_CORE | |
477 | /* Try to avoid dumping core. */ | |
478 | struct rlimit core_limit; | |
479 | core_limit.rlim_cur = 0; | |
480 | core_limit.rlim_max = 0; | |
481 | setrlimit (RLIMIT_CORE, &core_limit); | |
482 | #endif | |
63b11dd1 | 483 | |
b79e3737 RM |
484 | /* We put the test process in its own pgrp so that if it bogusly |
485 | generates any job control signals, they won't hit the whole build. */ | |
d7a05d07 MR |
486 | if (setpgid (0, 0) != 0) |
487 | printf ("Failed to set the process group ID: %m\n"); | |
b79e3737 | 488 | |
80a18298 UD |
489 | /* Execute the test function and exit with the return value. */ |
490 | exit (TEST_FUNCTION); | |
491 | } | |
492 | else if (pid < 0) | |
493 | { | |
c5c13355 | 494 | printf ("Cannot fork test program: %m\n"); |
80a18298 UD |
495 | exit (1); |
496 | } | |
497 | ||
498 | /* Set timeout. */ | |
85fda49b | 499 | signal (SIGALRM, signal_handler); |
dc391246 | 500 | alarm (TIMEOUT * timeoutfactor); |
80a18298 | 501 | |
85fda49b UD |
502 | /* Make sure we clean up if the wrapper gets interrupted. */ |
503 | signal (SIGINT, signal_handler); | |
504 | ||
80a18298 | 505 | /* Wait for the regular termination. */ |
53854476 | 506 | termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)); |
608c5afd | 507 | if (termpid == -1) |
80a18298 | 508 | { |
608c5afd UD |
509 | printf ("Waiting for test program failed: %m\n"); |
510 | exit (1); | |
511 | } | |
512 | if (termpid != pid) | |
513 | { | |
514 | printf ("Oops, wrong test program terminated: expected %ld, got %ld\n", | |
515 | (long int) pid, (long int) termpid); | |
80a18298 UD |
516 | exit (1); |
517 | } | |
518 | ||
fffa1cf8 LH |
519 | /* Process terminated normaly without timeout etc. */ |
520 | if (WIFEXITED (status)) | |
80a18298 | 521 | { |
ede0f73a | 522 | #ifndef EXPECTED_STATUS |
fffa1cf8 LH |
523 | # ifndef EXPECTED_SIGNAL |
524 | /* Simply exit with the return value of the test. */ | |
525 | return WEXITSTATUS (status); | |
526 | # else | |
527 | printf ("Expected signal '%s' from child, got none\n", | |
528 | strsignal (EXPECTED_SIGNAL)); | |
529 | exit (1); | |
530 | # endif | |
ede0f73a | 531 | #else |
fffa1cf8 LH |
532 | if (WEXITSTATUS (status) != EXPECTED_STATUS) |
533 | { | |
534 | printf ("Expected status %d, got %d\n", | |
535 | EXPECTED_STATUS, WEXITSTATUS (status)); | |
536 | exit (1); | |
537 | } | |
538 | ||
539 | return 0; | |
540 | #endif | |
541 | } | |
542 | /* Process was killed by timer or other signal. */ | |
543 | else | |
ede0f73a | 544 | { |
fffa1cf8 LH |
545 | #ifndef EXPECTED_SIGNAL |
546 | printf ("Didn't expect signal from child: got `%s'\n", | |
547 | strsignal (WTERMSIG (status))); | |
ede0f73a | 548 | exit (1); |
fffa1cf8 LH |
549 | #else |
550 | if (WTERMSIG (status) != EXPECTED_SIGNAL) | |
551 | { | |
552 | printf ("Incorrect signal from child: got `%s', need `%s'\n", | |
553 | strsignal (WTERMSIG (status)), | |
554 | strsignal (EXPECTED_SIGNAL)); | |
555 | exit (1); | |
556 | } | |
ede0f73a | 557 | |
fffa1cf8 | 558 | return 0; |
ede0f73a | 559 | #endif |
fffa1cf8 | 560 | } |
80a18298 | 561 | } |