]>
Commit | Line | Data |
---|---|---|
7f3e6257 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
7f3e6257 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
7f3e6257 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
7f3e6257 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <sys/socket.h> | |
23 | #include <sys/un.h> | |
24 | #include <errno.h> | |
25 | #include <stddef.h> | |
0dad12c1 LP |
26 | #include <unistd.h> |
27 | #include <fcntl.h> | |
72f1d5a2 | 28 | #include <printf.h> |
7f3e6257 | 29 | |
b070e7f3 LP |
30 | #define SD_JOURNAL_SUPPRESS_LOCATION |
31 | ||
7f3e6257 LP |
32 | #include "sd-journal.h" |
33 | #include "util.h" | |
fe652127 | 34 | #include "socket-util.h" |
7f3e6257 | 35 | |
bb99a35a LP |
36 | #define SNDBUF_SIZE (8*1024*1024) |
37 | ||
3ed08c44 LP |
38 | #define ALLOCA_CODE_FUNC(f, func) \ |
39 | do { \ | |
40 | size_t _fl; \ | |
41 | const char *_func = (func); \ | |
42 | char **_f = &(f); \ | |
43 | _fl = strlen(_func) + 1; \ | |
44 | *_f = alloca(_fl + 10); \ | |
45 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
46 | memcpy(*_f + 10, _func, _fl); \ | |
47 | } while(false) | |
48 | ||
7f3e6257 LP |
49 | /* We open a single fd, and we'll share it with the current process, |
50 | * all its threads, and all its subprocesses. This means we need to | |
51 | * initialize it atomically, and need to operate on it atomically | |
52 | * never assuming we are the only user */ | |
53 | ||
54 | static int journal_fd(void) { | |
55 | int fd; | |
56 | static int fd_plus_one = 0; | |
57 | ||
58 | retry: | |
59 | if (fd_plus_one > 0) | |
60 | return fd_plus_one - 1; | |
61 | ||
62 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
63 | if (fd < 0) | |
64 | return -errno; | |
65 | ||
bb99a35a LP |
66 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
67 | ||
7f3e6257 LP |
68 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
69 | close_nointr_nofail(fd); | |
70 | goto retry; | |
71 | } | |
72 | ||
73 | return fd; | |
74 | } | |
75 | ||
a5344d2c | 76 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
77 | int r; |
78 | va_list ap; | |
79 | ||
80 | va_start(ap, format); | |
d0bbc21c | 81 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
82 | va_end(ap); |
83 | ||
84 | return r; | |
85 | } | |
86 | ||
a5344d2c | 87 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
88 | |
89 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
90 | C99 variable-length array on the stack here in a loop. */ | |
91 | ||
92 | char buffer[8 + LINE_MAX], p[11]; struct iovec iov[2]; | |
d0bbc21c | 93 | |
fe652127 LP |
94 | if (priority < 0 || priority > 7) |
95 | return -EINVAL; | |
96 | ||
97 | if (!format) | |
98 | return -EINVAL; | |
99 | ||
d0bbc21c LP |
100 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); |
101 | char_array_0(p); | |
7f3e6257 LP |
102 | |
103 | memcpy(buffer, "MESSAGE=", 8); | |
104 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
105 | char_array_0(buffer); |
106 | ||
107 | zero(iov); | |
d0bbc21c LP |
108 | IOVEC_SET_STRING(iov[0], buffer); |
109 | IOVEC_SET_STRING(iov[1], p); | |
7f3e6257 | 110 | |
d0bbc21c | 111 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
112 | } |
113 | ||
44a6b1b6 | 114 | _printf_attr_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 115 | PROTECT_ERRNO; |
25d042e8 | 116 | int r, n = 0, i = 0, j; |
7f3e6257 | 117 | struct iovec *iov = NULL; |
b070e7f3 LP |
118 | |
119 | assert(_iov); | |
b070e7f3 LP |
120 | |
121 | if (extra > 0) { | |
122 | n = MAX(extra * 2, extra + 4); | |
123 | iov = malloc0(n * sizeof(struct iovec)); | |
124 | if (!iov) { | |
125 | r = -ENOMEM; | |
126 | goto fail; | |
127 | } | |
128 | ||
129 | i = extra; | |
25d042e8 | 130 | } |
7f3e6257 | 131 | |
7f3e6257 LP |
132 | while (format) { |
133 | struct iovec *c; | |
134 | char *buffer; | |
72f1d5a2 | 135 | va_list aq; |
7f3e6257 LP |
136 | |
137 | if (i >= n) { | |
138 | n = MAX(i*2, 4); | |
139 | c = realloc(iov, n * sizeof(struct iovec)); | |
140 | if (!c) { | |
141 | r = -ENOMEM; | |
142 | goto fail; | |
143 | } | |
144 | ||
145 | iov = c; | |
146 | } | |
147 | ||
72f1d5a2 LP |
148 | va_copy(aq, ap); |
149 | if (vasprintf(&buffer, format, aq) < 0) { | |
150 | va_end(aq); | |
7f3e6257 LP |
151 | r = -ENOMEM; |
152 | goto fail; | |
153 | } | |
72f1d5a2 LP |
154 | va_end(aq); |
155 | ||
156 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 LP |
157 | |
158 | IOVEC_SET_STRING(iov[i++], buffer); | |
159 | ||
160 | format = va_arg(ap, char *); | |
161 | } | |
b070e7f3 LP |
162 | |
163 | *_iov = iov; | |
164 | ||
b070e7f3 LP |
165 | return i; |
166 | ||
167 | fail: | |
168 | for (j = 0; j < i; j++) | |
169 | free(iov[j].iov_base); | |
170 | ||
171 | free(iov); | |
172 | ||
b070e7f3 LP |
173 | return r; |
174 | } | |
175 | ||
176 | _public_ int sd_journal_send(const char *format, ...) { | |
177 | int r, i, j; | |
178 | va_list ap; | |
179 | struct iovec *iov = NULL; | |
180 | ||
181 | va_start(ap, format); | |
182 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
183 | va_end(ap); |
184 | ||
b070e7f3 LP |
185 | if (_unlikely_(i < 0)) { |
186 | r = i; | |
187 | goto finish; | |
188 | } | |
189 | ||
7f3e6257 LP |
190 | r = sd_journal_sendv(iov, i); |
191 | ||
b070e7f3 | 192 | finish: |
7f3e6257 LP |
193 | for (j = 0; j < i; j++) |
194 | free(iov[j].iov_base); | |
195 | ||
196 | free(iov); | |
197 | ||
198 | return r; | |
199 | } | |
200 | ||
a5344d2c | 201 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 202 | PROTECT_ERRNO; |
0dad12c1 | 203 | int fd, buffer_fd; |
7f3e6257 LP |
204 | struct iovec *w; |
205 | uint64_t *l; | |
5c0aa72a | 206 | int i, j = 0; |
6e5abe15 ZJS |
207 | struct sockaddr_un sa = { |
208 | .sun_family = AF_UNIX, | |
209 | .sun_path = "/run/systemd/journal/socket", | |
210 | }; | |
211 | struct msghdr mh = { | |
212 | .msg_name = &sa, | |
213 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
214 | }; | |
0dad12c1 LP |
215 | ssize_t k; |
216 | union { | |
217 | struct cmsghdr cmsghdr; | |
218 | uint8_t buf[CMSG_SPACE(sizeof(int))]; | |
219 | } control; | |
220 | struct cmsghdr *cmsg; | |
9058851b LP |
221 | /* We use /dev/shm instead of /tmp here, since we want this to |
222 | * be a tmpfs, and one that is available from early boot on | |
223 | * and where unprivileged users can create files. */ | |
224 | char path[] = "/dev/shm/journal.XXXXXX"; | |
ee55db41 | 225 | bool have_syslog_identifier = false; |
7f3e6257 | 226 | |
b070e7f3 LP |
227 | if (_unlikely_(!iov)) |
228 | return -EINVAL; | |
229 | ||
230 | if (_unlikely_(n <= 0)) | |
7f3e6257 LP |
231 | return -EINVAL; |
232 | ||
ee55db41 | 233 | w = alloca(sizeof(struct iovec) * n * 5 + 3); |
7f3e6257 LP |
234 | l = alloca(sizeof(uint64_t) * n); |
235 | ||
236 | for (i = 0; i < n; i++) { | |
237 | char *c, *nl; | |
238 | ||
5c0aa72a LP |
239 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
240 | return -EINVAL; | |
a5344d2c | 241 | |
7f3e6257 | 242 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
243 | if (_unlikely_(!c || c == iov[i].iov_base)) |
244 | return -EINVAL; | |
7f3e6257 | 245 | |
29abad10 ZJS |
246 | have_syslog_identifier = have_syslog_identifier || |
247 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 248 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 249 | |
7f3e6257 LP |
250 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
251 | if (nl) { | |
5c0aa72a LP |
252 | if (_unlikely_(nl < c)) |
253 | return -EINVAL; | |
7f3e6257 LP |
254 | |
255 | /* Already includes a newline? Bummer, then | |
256 | * let's write the variable name, then a | |
257 | * newline, then the size (64bit LE), followed | |
258 | * by the data and a final newline */ | |
259 | ||
260 | w[j].iov_base = iov[i].iov_base; | |
261 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
262 | j++; | |
263 | ||
264 | IOVEC_SET_STRING(w[j++], "\n"); | |
265 | ||
266 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
267 | w[j].iov_base = &l[i]; | |
268 | w[j].iov_len = sizeof(uint64_t); | |
269 | j++; | |
270 | ||
271 | w[j].iov_base = c + 1; | |
272 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
273 | j++; | |
274 | ||
275 | } else | |
276 | /* Nothing special? Then just add the line and | |
277 | * append a newline */ | |
278 | w[j++] = iov[i]; | |
279 | ||
280 | IOVEC_SET_STRING(w[j++], "\n"); | |
281 | } | |
282 | ||
ee55db41 LP |
283 | if (!have_syslog_identifier && |
284 | string_is_safe(program_invocation_short_name)) { | |
285 | ||
286 | /* Implicitly add program_invocation_short_name, if it | |
287 | * is not set explicitly. We only do this for | |
288 | * program_invocation_short_name, and nothing else | |
289 | * since everything else is much nicer to retrieve | |
290 | * from the outside. */ | |
291 | ||
292 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
293 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
294 | IOVEC_SET_STRING(w[j++], "\n"); | |
295 | } | |
296 | ||
7f3e6257 | 297 | fd = journal_fd(); |
5c0aa72a LP |
298 | if (_unlikely_(fd < 0)) |
299 | return fd; | |
7f3e6257 | 300 | |
7f3e6257 LP |
301 | mh.msg_iov = w; |
302 | mh.msg_iovlen = j; | |
303 | ||
0dad12c1 | 304 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
305 | if (k >= 0) |
306 | return 0; | |
0dad12c1 | 307 | |
5c0aa72a LP |
308 | if (errno != EMSGSIZE && errno != ENOBUFS) |
309 | return -errno; | |
0dad12c1 LP |
310 | |
311 | /* Message doesn't fit... Let's dump the data in a temporary | |
312 | * file and just pass a file descriptor of it to the other | |
313 | * side */ | |
314 | ||
315 | buffer_fd = mkostemp(path, O_CLOEXEC|O_RDWR); | |
5c0aa72a LP |
316 | if (buffer_fd < 0) |
317 | return -errno; | |
0dad12c1 LP |
318 | |
319 | if (unlink(path) < 0) { | |
320 | close_nointr_nofail(buffer_fd); | |
5c0aa72a | 321 | return -errno; |
0dad12c1 LP |
322 | } |
323 | ||
324 | n = writev(buffer_fd, w, j); | |
b070e7f3 | 325 | if (n < 0) { |
0dad12c1 | 326 | close_nointr_nofail(buffer_fd); |
5c0aa72a | 327 | return -errno; |
0dad12c1 LP |
328 | } |
329 | ||
330 | mh.msg_iov = NULL; | |
331 | mh.msg_iovlen = 0; | |
332 | ||
333 | zero(control); | |
334 | mh.msg_control = &control; | |
335 | mh.msg_controllen = sizeof(control); | |
336 | ||
337 | cmsg = CMSG_FIRSTHDR(&mh); | |
338 | cmsg->cmsg_level = SOL_SOCKET; | |
339 | cmsg->cmsg_type = SCM_RIGHTS; | |
340 | cmsg->cmsg_len = CMSG_LEN(sizeof(int)); | |
341 | memcpy(CMSG_DATA(cmsg), &buffer_fd, sizeof(int)); | |
342 | ||
343 | mh.msg_controllen = cmsg->cmsg_len; | |
344 | ||
345 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); | |
346 | close_nointr_nofail(buffer_fd); | |
347 | ||
5c0aa72a LP |
348 | if (k < 0) |
349 | return -errno; | |
7f3e6257 | 350 | |
5c0aa72a | 351 | return 0; |
7f3e6257 | 352 | } |
fe652127 | 353 | |
18c7ed18 | 354 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
355 | PROTECT_ERRNO; |
356 | size_t n, k; | |
18c7ed18 LP |
357 | |
358 | k = isempty(message) ? 0 : strlen(message) + 2; | |
359 | n = 8 + k + 256 + 1; | |
360 | ||
361 | for (;;) { | |
362 | char buffer[n]; | |
363 | char* j; | |
364 | ||
365 | errno = 0; | |
5c0aa72a | 366 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 LP |
367 | if (errno == 0) { |
368 | char error[6 + 10 + 1]; /* for a 32bit value */ | |
369 | ||
370 | if (j != buffer + 8 + k) | |
371 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
372 | ||
373 | memcpy(buffer, "MESSAGE=", 8); | |
374 | ||
375 | if (k > 0) { | |
376 | memcpy(buffer + 8, message, k - 2); | |
377 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
378 | } | |
379 | ||
5c0aa72a | 380 | snprintf(error, sizeof(error), "ERRNO=%u", _saved_errno_); |
18c7ed18 LP |
381 | char_array_0(error); |
382 | ||
383 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); | |
384 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
385 | IOVEC_SET_STRING(iov[skip+2], error); | |
386 | ||
5c0aa72a | 387 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
388 | } |
389 | ||
5c0aa72a LP |
390 | if (errno != ERANGE) |
391 | return -errno; | |
18c7ed18 LP |
392 | |
393 | n *= 2; | |
394 | } | |
395 | } | |
396 | ||
397 | _public_ int sd_journal_perror(const char *message) { | |
398 | struct iovec iovec[3]; | |
399 | ||
400 | return fill_iovec_perror_and_send(message, 0, iovec); | |
401 | } | |
402 | ||
4cd9a9d9 | 403 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
404 | union sockaddr_union sa = { |
405 | .un.sun_family = AF_UNIX, | |
406 | .un.sun_path = "/run/systemd/journal/stdout", | |
407 | }; | |
fe652127 LP |
408 | int fd; |
409 | char *header; | |
410 | size_t l; | |
411 | ssize_t r; | |
412 | ||
413 | if (priority < 0 || priority > 7) | |
414 | return -EINVAL; | |
415 | ||
416 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
417 | if (fd < 0) | |
418 | return -errno; | |
419 | ||
fe652127 LP |
420 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
421 | if (r < 0) { | |
422 | close_nointr_nofail(fd); | |
423 | return -errno; | |
424 | } | |
425 | ||
86b9b8e7 LP |
426 | if (shutdown(fd, SHUT_RD) < 0) { |
427 | close_nointr_nofail(fd); | |
428 | return -errno; | |
429 | } | |
430 | ||
bb99a35a LP |
431 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
432 | ||
4cd9a9d9 LP |
433 | if (!identifier) |
434 | identifier = ""; | |
fe652127 | 435 | |
4cd9a9d9 | 436 | l = strlen(identifier); |
8b38f3cc | 437 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 438 | |
4cd9a9d9 | 439 | memcpy(header, identifier, l); |
fe652127 | 440 | header[l++] = '\n'; |
a6e87e90 | 441 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
442 | header[l++] = '0' + priority; |
443 | header[l++] = '\n'; | |
4cd9a9d9 | 444 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
445 | header[l++] = '\n'; |
446 | header[l++] = '0'; | |
447 | header[l++] = '\n'; | |
224f2ee2 LP |
448 | header[l++] = '0'; |
449 | header[l++] = '\n'; | |
450 | header[l++] = '0'; | |
451 | header[l++] = '\n'; | |
fe652127 LP |
452 | |
453 | r = loop_write(fd, header, l, false); | |
454 | if (r < 0) { | |
455 | close_nointr_nofail(fd); | |
456 | return (int) r; | |
457 | } | |
458 | ||
459 | if ((size_t) r != l) { | |
460 | close_nointr_nofail(fd); | |
461 | return -errno; | |
462 | } | |
463 | ||
464 | return fd; | |
465 | } | |
b070e7f3 LP |
466 | |
467 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
468 | int r; | |
469 | va_list ap; | |
470 | ||
471 | va_start(ap, format); | |
472 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
473 | va_end(ap); | |
474 | ||
475 | return r; | |
476 | } | |
477 | ||
478 | _public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) { | |
479 | char buffer[8 + LINE_MAX], p[11]; | |
480 | struct iovec iov[5]; | |
481 | char *f; | |
b070e7f3 LP |
482 | |
483 | if (priority < 0 || priority > 7) | |
484 | return -EINVAL; | |
485 | ||
486 | if (_unlikely_(!format)) | |
487 | return -EINVAL; | |
488 | ||
489 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); | |
490 | char_array_0(p); | |
491 | ||
492 | memcpy(buffer, "MESSAGE=", 8); | |
493 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
494 | char_array_0(buffer); | |
495 | ||
496 | /* func is initialized from __func__ which is not a macro, but | |
497 | * a static const char[], hence cannot easily be prefixed with | |
498 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 499 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
500 | |
501 | zero(iov); | |
502 | IOVEC_SET_STRING(iov[0], buffer); | |
503 | IOVEC_SET_STRING(iov[1], p); | |
504 | IOVEC_SET_STRING(iov[2], file); | |
505 | IOVEC_SET_STRING(iov[3], line); | |
506 | IOVEC_SET_STRING(iov[4], f); | |
507 | ||
508 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
509 | } | |
510 | ||
511 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
512 | int r, i, j; | |
513 | va_list ap; | |
514 | struct iovec *iov = NULL; | |
515 | char *f; | |
b070e7f3 LP |
516 | |
517 | va_start(ap, format); | |
518 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
519 | va_end(ap); | |
520 | ||
521 | if (_unlikely_(i < 0)) { | |
522 | r = i; | |
523 | goto finish; | |
524 | } | |
525 | ||
3ed08c44 | 526 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
527 | |
528 | IOVEC_SET_STRING(iov[0], file); | |
529 | IOVEC_SET_STRING(iov[1], line); | |
530 | IOVEC_SET_STRING(iov[2], f); | |
531 | ||
532 | r = sd_journal_sendv(iov, i); | |
533 | ||
534 | finish: | |
535 | for (j = 3; j < i; j++) | |
536 | free(iov[j].iov_base); | |
537 | ||
538 | free(iov); | |
539 | ||
540 | return r; | |
541 | } | |
542 | ||
18c7ed18 LP |
543 | _public_ int sd_journal_sendv_with_location( |
544 | const char *file, const char *line, | |
545 | const char *func, | |
546 | const struct iovec *iov, int n) { | |
547 | ||
b070e7f3 LP |
548 | struct iovec *niov; |
549 | char *f; | |
b070e7f3 LP |
550 | |
551 | if (_unlikely_(!iov)) | |
552 | return -EINVAL; | |
553 | ||
554 | if (_unlikely_(n <= 0)) | |
555 | return -EINVAL; | |
556 | ||
557 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
558 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
559 | ||
3ed08c44 | 560 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
561 | |
562 | IOVEC_SET_STRING(niov[n++], file); | |
563 | IOVEC_SET_STRING(niov[n++], line); | |
564 | IOVEC_SET_STRING(niov[n++], f); | |
565 | ||
566 | return sd_journal_sendv(niov, n); | |
567 | } | |
18c7ed18 LP |
568 | |
569 | _public_ int sd_journal_perror_with_location( | |
570 | const char *file, const char *line, | |
571 | const char *func, | |
572 | const char *message) { | |
573 | ||
574 | struct iovec iov[6]; | |
18c7ed18 LP |
575 | char *f; |
576 | ||
3ed08c44 | 577 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
578 | |
579 | IOVEC_SET_STRING(iov[0], file); | |
580 | IOVEC_SET_STRING(iov[1], line); | |
581 | IOVEC_SET_STRING(iov[2], f); | |
582 | ||
583 | return fill_iovec_perror_and_send(message, 3, iov); | |
584 | } |