Commit | Line | Data |
---|---|---|
8c572eba | 1 | /* |
b522ac18 | 2 | * babeltrace-log.c |
8c572eba | 3 | * |
b522ac18 | 4 | * BabelTrace - Convert Text Log to CTF |
8c572eba | 5 | * |
64fa3fec MD |
6 | * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation |
7 | * | |
8 | * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
8c572eba MD |
9 | * |
10 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
11 | * of this software and associated documentation files (the "Software"), to deal | |
12 | * in the Software without restriction, including without limitation the rights | |
13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
14 | * copies of the Software, and to permit persons to whom the Software is | |
15 | * furnished to do so, subject to the following conditions: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
c462e188 MD |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
26 | * SOFTWARE. | |
8c572eba MD |
27 | */ |
28 | ||
90219914 MD |
29 | #include <sys/types.h> |
30 | #include <sys/stat.h> | |
31 | #include <fcntl.h> | |
32 | #include <sys/mman.h> | |
8b6e9499 | 33 | #include <babeltrace/compat/dirent.h> |
90219914 | 34 | #include <stdio.h> |
989c73bc | 35 | #include <stdlib.h> |
90219914 MD |
36 | #include <stdint.h> |
37 | #include <unistd.h> | |
38 | #include <errno.h> | |
90219914 | 39 | #include <string.h> |
fef3bf22 | 40 | #include <inttypes.h> |
90219914 | 41 | |
70bd0a12 | 42 | #include <babeltrace/babeltrace-internal.h> |
8c572eba | 43 | #include <babeltrace/ctf/types.h> |
4cb26dfb | 44 | #include <babeltrace/compat/uuid.h> |
a386e246 | 45 | #include <babeltrace/compat/utc.h> |
2ca0671b | 46 | #include <babeltrace/compat/stdio.h> |
43e34335 | 47 | #include <babeltrace/endian.h> |
8c572eba | 48 | |
a386e246 SKC |
49 | #define NSEC_PER_USEC 1000UL |
50 | #define NSEC_PER_MSEC 1000000UL | |
51 | #define NSEC_PER_SEC 1000000000ULL | |
bfe09576 | 52 | #define USEC_PER_SEC 1000000UL |
ca8b2b02 | 53 | |
ca8b2b02 MD |
54 | int babeltrace_debug, babeltrace_verbose; |
55 | ||
56 | static char *s_outputname; | |
57 | static int s_timestamp; | |
39592eae | 58 | static int s_help; |
43e34335 | 59 | static unsigned char s_uuid[BABELTRACE_UUID_LEN]; |
ca8b2b02 | 60 | |
b522ac18 MD |
61 | /* Metadata format string */ |
62 | static const char metadata_fmt[] = | |
408a2c4d | 63 | "/* CTF 1.8 */\n" |
989c73bc MD |
64 | "typealias integer { size = 8; align = 8; signed = false; } := uint8_t;\n" |
65 | "typealias integer { size = 32; align = 32; signed = false; } := uint32_t;\n" | |
fef3bf22 | 66 | "typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n" |
989c73bc MD |
67 | "\n" |
68 | "trace {\n" | |
c818559a MD |
69 | " major = %u;\n" /* major (e.g. 0) */ |
70 | " minor = %u;\n" /* minor (e.g. 1) */ | |
b522ac18 | 71 | " uuid = \"%s\";\n" /* UUID */ |
989c73bc MD |
72 | " byte_order = %s;\n" /* be or le */ |
73 | " packet.header := struct {\n" | |
74 | " uint32_t magic;\n" | |
b4c19c1e | 75 | " uint8_t uuid[16];\n" |
989c73bc MD |
76 | " };\n" |
77 | "};\n" | |
78 | "\n" | |
79 | "stream {\n" | |
80 | " packet.context := struct {\n" | |
fef3bf22 MD |
81 | " uint64_t content_size;\n" |
82 | " uint64_t packet_size;\n" | |
989c73bc | 83 | " };\n" |
ca8b2b02 | 84 | "%s" /* Stream event header (opt.) */ |
989c73bc MD |
85 | "};\n" |
86 | "\n" | |
87 | "event {\n" | |
88 | " name = string;\n" | |
89 | " fields := struct { string str; };\n" | |
90 | "};\n"; | |
91 | ||
ca8b2b02 MD |
92 | static const char metadata_stream_event_header_timestamp[] = |
93 | " typealias integer { size = 64; align = 64; signed = false; } := uint64_t;\n" | |
94 | " event.header := struct {\n" | |
95 | " uint64_t timestamp;\n" | |
96 | " };\n"; | |
8c572eba | 97 | |
b522ac18 MD |
98 | static |
99 | void print_metadata(FILE *fp) | |
100 | { | |
a4dfa07b | 101 | char uuid_str[BABELTRACE_UUID_STR_LEN]; |
00f7fbf0 MD |
102 | unsigned int major = 0, minor = 0; |
103 | int ret; | |
b522ac18 | 104 | |
00f7fbf0 MD |
105 | ret = sscanf(VERSION, "%u.%u", &major, &minor); |
106 | if (ret != 2) | |
107 | fprintf(stderr, "[warning] Incorrect babeltrace version format\n."); | |
19dd40db | 108 | bt_uuid_unparse(s_uuid, uuid_str); |
b522ac18 | 109 | fprintf(fp, metadata_fmt, |
00f7fbf0 MD |
110 | major, |
111 | minor, | |
b522ac18 | 112 | uuid_str, |
ca8b2b02 MD |
113 | BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be", |
114 | s_timestamp ? metadata_stream_event_header_timestamp : ""); | |
b522ac18 MD |
115 | } |
116 | ||
8c572eba | 117 | static |
43e34335 | 118 | void write_packet_header(struct ctf_stream_pos *pos, unsigned char *uuid) |
8c572eba | 119 | { |
46322b33 | 120 | struct ctf_stream_pos dummy; |
8c572eba MD |
121 | |
122 | /* magic */ | |
46322b33 | 123 | ctf_dummy_pos(pos, &dummy); |
70fd5a51 MD |
124 | if (!ctf_align_pos(&dummy, sizeof(uint32_t) * CHAR_BIT)) |
125 | goto error; | |
126 | if (!ctf_move_pos(&dummy, sizeof(uint32_t) * CHAR_BIT)) | |
127 | goto error; | |
46322b33 | 128 | assert(!ctf_pos_packet(&dummy)); |
d77e781b | 129 | |
70fd5a51 MD |
130 | if (!ctf_align_pos(pos, sizeof(uint32_t) * CHAR_BIT)) |
131 | goto error; | |
46322b33 | 132 | *(uint32_t *) ctf_get_pos_addr(pos) = 0xC1FC1FC1; |
70fd5a51 MD |
133 | if (!ctf_move_pos(pos, sizeof(uint32_t) * CHAR_BIT)) |
134 | goto error; | |
8c572eba | 135 | |
b4c19c1e | 136 | /* uuid */ |
46322b33 | 137 | ctf_dummy_pos(pos, &dummy); |
70fd5a51 MD |
138 | if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT)) |
139 | goto error; | |
140 | if (!ctf_move_pos(&dummy, 16 * CHAR_BIT)) | |
141 | goto error; | |
46322b33 MD |
142 | assert(!ctf_pos_packet(&dummy)); |
143 | ||
70fd5a51 MD |
144 | if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT)) |
145 | goto error; | |
43e34335 | 146 | memcpy(ctf_get_pos_addr(pos), uuid, BABELTRACE_UUID_LEN); |
70fd5a51 MD |
147 | if (!ctf_move_pos(pos, BABELTRACE_UUID_LEN * CHAR_BIT)) |
148 | goto error; | |
149 | return; | |
150 | ||
151 | error: | |
152 | fprintf(stderr, "[error] Out of packet bounds when writing packet header\n"); | |
153 | abort(); | |
8c572eba MD |
154 | } |
155 | ||
156 | static | |
46322b33 | 157 | void write_packet_context(struct ctf_stream_pos *pos) |
8c572eba | 158 | { |
46322b33 | 159 | struct ctf_stream_pos dummy; |
8c572eba MD |
160 | |
161 | /* content_size */ | |
46322b33 | 162 | ctf_dummy_pos(pos, &dummy); |
70fd5a51 MD |
163 | if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT)) |
164 | goto error; | |
165 | if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT)) | |
166 | goto error; | |
46322b33 | 167 | assert(!ctf_pos_packet(&dummy)); |
d77e781b | 168 | |
70fd5a51 MD |
169 | if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
170 | goto error; | |
fef3bf22 MD |
171 | *(uint64_t *) ctf_get_pos_addr(pos) = ~0ULL; /* Not known yet */ |
172 | pos->content_size_loc = (uint64_t *) ctf_get_pos_addr(pos); | |
70fd5a51 MD |
173 | if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
174 | goto error; | |
8c572eba MD |
175 | |
176 | /* packet_size */ | |
46322b33 | 177 | ctf_dummy_pos(pos, &dummy); |
70fd5a51 MD |
178 | if (!ctf_align_pos(&dummy, sizeof(uint64_t) * CHAR_BIT)) |
179 | goto error; | |
180 | if (!ctf_move_pos(&dummy, sizeof(uint64_t) * CHAR_BIT)) | |
181 | goto error; | |
46322b33 | 182 | assert(!ctf_pos_packet(&dummy)); |
d77e781b | 183 | |
70fd5a51 MD |
184 | if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
185 | goto error; | |
fef3bf22 | 186 | *(uint64_t *) ctf_get_pos_addr(pos) = pos->packet_size; |
70fd5a51 MD |
187 | if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
188 | goto error; | |
189 | return; | |
190 | ||
191 | error: | |
192 | fprintf(stderr, "[error] Out of packet bounds when writing packet context\n"); | |
193 | abort(); | |
8c572eba MD |
194 | } |
195 | ||
ca8b2b02 MD |
196 | static |
197 | void write_event_header(struct ctf_stream_pos *pos, char *line, | |
198 | char **tline, size_t len, size_t *tlen, | |
199 | uint64_t *ts) | |
200 | { | |
ca8b2b02 MD |
201 | if (!s_timestamp) |
202 | return; | |
203 | ||
204 | /* Only need to be executed on first pass (dummy) */ | |
a386e246 SKC |
205 | if (pos->dummy) { |
206 | int has_timestamp = 0; | |
207 | unsigned long sec, usec, msec; | |
208 | unsigned int year, mon, mday, hour, min; | |
08c82b90 | 209 | |
ca8b2b02 | 210 | /* Extract time from input line */ |
a386e246 SKC |
211 | if (sscanf(line, "[%lu.%lu] ", &sec, &usec) == 2) { |
212 | *ts = (uint64_t) sec * USEC_PER_SEC + (uint64_t) usec; | |
213 | /* | |
214 | * Default CTF clock has 1GHz frequency. Convert | |
215 | * from usec to nsec. | |
216 | */ | |
217 | *ts *= NSEC_PER_USEC; | |
218 | has_timestamp = 1; | |
219 | } else if (sscanf(line, "[%u-%u-%u %u:%u:%lu.%lu] ", | |
220 | &year, &mon, &mday, &hour, &min, | |
221 | &sec, &msec) == 7) { | |
222 | time_t ep_sec; | |
223 | struct tm ti; | |
224 | ||
225 | memset(&ti, 0, sizeof(ti)); | |
226 | ti.tm_year = year - 1900; /* from 1900 */ | |
227 | ti.tm_mon = mon - 1; /* 0 to 11 */ | |
228 | ti.tm_mday = mday; | |
229 | ti.tm_hour = hour; | |
230 | ti.tm_min = min; | |
231 | ti.tm_sec = sec; | |
232 | ||
233 | ep_sec = babeltrace_timegm(&ti); | |
234 | if (ep_sec != (time_t) -1) { | |
235 | *ts = (uint64_t) ep_sec * NSEC_PER_SEC | |
236 | + (uint64_t) msec * NSEC_PER_MSEC; | |
237 | } | |
238 | has_timestamp = 1; | |
239 | } | |
240 | if (has_timestamp) { | |
ca8b2b02 | 241 | *tline = strchr(line, ']'); |
bfe09576 MD |
242 | assert(*tline); |
243 | (*tline)++; | |
244 | if ((*tline)[0] == ' ') { | |
ca8b2b02 | 245 | (*tline)++; |
bfe09576 | 246 | } |
ca8b2b02 | 247 | *tlen = len + line - *tline; |
ca8b2b02 MD |
248 | } |
249 | } | |
250 | /* timestamp */ | |
70fd5a51 MD |
251 | if (!ctf_align_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
252 | goto error; | |
ca8b2b02 | 253 | if (!pos->dummy) |
bc7eb6c8 | 254 | *(uint64_t *) ctf_get_pos_addr(pos) = *ts; |
70fd5a51 MD |
255 | if (!ctf_move_pos(pos, sizeof(uint64_t) * CHAR_BIT)) |
256 | goto error; | |
257 | return; | |
258 | ||
259 | error: | |
260 | fprintf(stderr, "[error] Out of packet bounds when writing event header\n"); | |
261 | abort(); | |
ca8b2b02 MD |
262 | } |
263 | ||
8c572eba | 264 | static |
46322b33 | 265 | void trace_string(char *line, struct ctf_stream_pos *pos, size_t len) |
8c572eba | 266 | { |
46322b33 | 267 | struct ctf_stream_pos dummy; |
8c572eba | 268 | int attempt = 0; |
ca8b2b02 MD |
269 | char *tline = line; /* tline is start of text, after timestamp */ |
270 | size_t tlen = len; | |
271 | uint64_t ts = 0; | |
8c572eba MD |
272 | |
273 | printf_debug("read: %s\n", line); | |
08c82b90 MD |
274 | |
275 | for (;;) { | |
185987b1 MD |
276 | int packet_filled = 0; |
277 | ||
08c82b90 MD |
278 | ctf_dummy_pos(pos, &dummy); |
279 | write_event_header(&dummy, line, &tline, len, &tlen, &ts); | |
70fd5a51 | 280 | if (!ctf_align_pos(&dummy, sizeof(uint8_t) * CHAR_BIT)) |
185987b1 | 281 | packet_filled = 1; |
70fd5a51 | 282 | if (!ctf_move_pos(&dummy, tlen * CHAR_BIT)) |
185987b1 MD |
283 | packet_filled = 1; |
284 | if (packet_filled || ctf_pos_packet(&dummy)) { | |
08c82b90 MD |
285 | ctf_pos_pad_packet(pos); |
286 | write_packet_header(pos, s_uuid); | |
287 | write_packet_context(pos); | |
288 | if (attempt++ == 1) { | |
289 | fprintf(stderr, "[Error] Line too large for packet size (%" PRIu64 "kB) (discarded)\n", | |
290 | pos->packet_size / CHAR_BIT / 1024); | |
291 | return; | |
292 | } | |
293 | continue; | |
294 | } else { | |
295 | break; | |
8c572eba | 296 | } |
8c572eba MD |
297 | } |
298 | ||
ca8b2b02 | 299 | write_event_header(pos, line, &tline, len, &tlen, &ts); |
70fd5a51 MD |
300 | if (!ctf_align_pos(pos, sizeof(uint8_t) * CHAR_BIT)) |
301 | goto error; | |
ca8b2b02 | 302 | memcpy(ctf_get_pos_addr(pos), tline, tlen); |
70fd5a51 MD |
303 | if (!ctf_move_pos(pos, tlen * CHAR_BIT)) |
304 | goto error; | |
305 | return; | |
306 | ||
307 | error: | |
308 | fprintf(stderr, "[error] Out of packet bounds when writing event payload\n"); | |
309 | abort(); | |
8c572eba MD |
310 | } |
311 | ||
312 | static | |
313 | void trace_text(FILE *input, int output) | |
314 | { | |
46322b33 | 315 | struct ctf_stream_pos pos; |
8c572eba MD |
316 | ssize_t len; |
317 | char *line = NULL, *nl; | |
31058f28 | 318 | size_t linesize = 0; |
f824ae04 | 319 | int ret; |
8c572eba | 320 | |
89ca8829 | 321 | memset(&pos, 0, sizeof(pos)); |
ca334c72 | 322 | ret = ctf_init_pos(&pos, NULL, output, O_RDWR); |
f824ae04 MD |
323 | if (ret) { |
324 | fprintf(stderr, "Error in ctf_init_pos\n"); | |
325 | return; | |
326 | } | |
185987b1 | 327 | ctf_packet_seek(&pos.parent, 0, SEEK_CUR); |
8c572eba MD |
328 | write_packet_header(&pos, s_uuid); |
329 | write_packet_context(&pos); | |
330 | for (;;) { | |
2ca0671b | 331 | len = bt_getline(&line, &linesize, input); |
8c572eba MD |
332 | if (len < 0) |
333 | break; | |
334 | nl = strrchr(line, '\n'); | |
c5e6c71b | 335 | if (nl) { |
8c572eba | 336 | *nl = '\0'; |
c5e6c71b HZ |
337 | trace_string(line, &pos, nl - line + 1); |
338 | } else { | |
339 | trace_string(line, &pos, strlen(line) + 1); | |
340 | } | |
8c572eba | 341 | } |
f824ae04 MD |
342 | ret = ctf_fini_pos(&pos); |
343 | if (ret) { | |
344 | fprintf(stderr, "Error in ctf_fini_pos\n"); | |
345 | } | |
8c572eba | 346 | } |
90219914 | 347 | |
ca8b2b02 MD |
348 | static |
349 | void usage(FILE *fp) | |
989c73bc | 350 | { |
00f7fbf0 | 351 | fprintf(fp, "BabelTrace Log Converter %s\n", VERSION); |
989c73bc MD |
352 | fprintf(fp, "\n"); |
353 | fprintf(fp, "Convert for a text log (read from standard input) to CTF.\n"); | |
354 | fprintf(fp, "\n"); | |
78893e6e | 355 | fprintf(fp, "usage : babeltrace-log [OPTIONS] OUTPUT\n"); |
989c73bc MD |
356 | fprintf(fp, "\n"); |
357 | fprintf(fp, " OUTPUT Output trace path\n"); | |
358 | fprintf(fp, "\n"); | |
78893e6e | 359 | fprintf(fp, " -t With timestamps (format: [sec.usec] string\\n)\n"); |
a386e246 | 360 | fprintf(fp, " (format: [YYYY-MM-DD HH:MM:SS.MS] string\\n)\n"); |
78893e6e | 361 | fprintf(fp, "\n"); |
989c73bc MD |
362 | } |
363 | ||
ca8b2b02 MD |
364 | static |
365 | int parse_args(int argc, char **argv) | |
366 | { | |
367 | int i; | |
368 | ||
369 | for (i = 1; i < argc; i++) { | |
370 | if (!strcmp(argv[i], "-t")) | |
371 | s_timestamp = 1; | |
39592eae MD |
372 | else if (!strcmp(argv[i], "-h")) { |
373 | s_help = 1; | |
374 | return 0; | |
375 | } else if (argv[i][0] == '-') | |
376 | return -EINVAL; | |
ca8b2b02 MD |
377 | else |
378 | s_outputname = argv[i]; | |
379 | } | |
380 | if (!s_outputname) | |
381 | return -EINVAL; | |
382 | return 0; | |
383 | } | |
384 | ||
90219914 MD |
385 | int main(int argc, char **argv) |
386 | { | |
b522ac18 | 387 | int fd, metadata_fd, ret; |
989c73bc MD |
388 | DIR *dir; |
389 | int dir_fd; | |
b522ac18 | 390 | FILE *metadata_fp; |
90219914 | 391 | |
ca8b2b02 MD |
392 | ret = parse_args(argc, argv); |
393 | if (ret) { | |
3394d22e MD |
394 | fprintf(stderr, "Error: invalid argument.\n"); |
395 | usage(stderr); | |
989c73bc | 396 | goto error; |
90219914 | 397 | } |
90219914 | 398 | |
39592eae MD |
399 | if (s_help) { |
400 | usage(stdout); | |
401 | exit(EXIT_SUCCESS); | |
402 | } | |
403 | ||
ca8b2b02 | 404 | ret = mkdir(s_outputname, S_IRWXU|S_IRWXG); |
90219914 | 405 | if (ret) { |
989c73bc MD |
406 | perror("mkdir"); |
407 | goto error; | |
408 | } | |
409 | ||
ca8b2b02 | 410 | dir = opendir(s_outputname); |
989c73bc MD |
411 | if (!dir) { |
412 | perror("opendir"); | |
413 | goto error_rmdir; | |
414 | } | |
8b6e9499 | 415 | dir_fd = bt_dirfd(dir); |
989c73bc MD |
416 | if (dir_fd < 0) { |
417 | perror("dirfd"); | |
418 | goto error_closedir; | |
419 | } | |
420 | ||
421 | fd = openat(dir_fd, "datastream", O_RDWR|O_CREAT, | |
422 | S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); | |
423 | if (fd < 0) { | |
424 | perror("openat"); | |
425 | goto error_closedirfd; | |
90219914 | 426 | } |
90219914 | 427 | |
b522ac18 MD |
428 | metadata_fd = openat(dir_fd, "metadata", O_RDWR|O_CREAT, |
429 | S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP); | |
9396a982 | 430 | if (metadata_fd < 0) { |
b522ac18 MD |
431 | perror("openat"); |
432 | goto error_closedatastream; | |
433 | } | |
434 | metadata_fp = fdopen(metadata_fd, "w"); | |
435 | if (!metadata_fp) { | |
436 | perror("fdopen"); | |
437 | goto error_closemetadatafd; | |
438 | } | |
439 | ||
19dd40db | 440 | bt_uuid_generate(s_uuid); |
b522ac18 | 441 | print_metadata(metadata_fp); |
8c572eba | 442 | trace_text(stdin, fd); |
989c73bc | 443 | |
f824ae04 MD |
444 | ret = close(fd); |
445 | if (ret) | |
446 | perror("close"); | |
989c73bc MD |
447 | exit(EXIT_SUCCESS); |
448 | ||
449 | /* error handling */ | |
b522ac18 MD |
450 | error_closemetadatafd: |
451 | ret = close(metadata_fd); | |
452 | if (ret) | |
453 | perror("close"); | |
454 | error_closedatastream: | |
455 | ret = close(fd); | |
456 | if (ret) | |
457 | perror("close"); | |
989c73bc MD |
458 | error_closedirfd: |
459 | ret = close(dir_fd); | |
460 | if (ret) | |
461 | perror("close"); | |
462 | error_closedir: | |
463 | ret = closedir(dir); | |
464 | if (ret) | |
465 | perror("closedir"); | |
466 | error_rmdir: | |
ca8b2b02 | 467 | ret = rmdir(s_outputname); |
989c73bc MD |
468 | if (ret) |
469 | perror("rmdir"); | |
470 | error: | |
471 | exit(EXIT_FAILURE); | |
90219914 | 472 | } |