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Commit | Line | Data |
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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 | ||
7f3e6257 | 22 | #include <errno.h> |
0dad12c1 | 23 | #include <fcntl.h> |
72f1d5a2 | 24 | #include <printf.h> |
07630cea LP |
25 | #include <stddef.h> |
26 | #include <sys/socket.h> | |
27 | #include <sys/un.h> | |
28 | #include <unistd.h> | |
7f3e6257 | 29 | |
b070e7f3 LP |
30 | #define SD_JOURNAL_SUPPRESS_LOCATION |
31 | ||
7f3e6257 | 32 | #include "sd-journal.h" |
07630cea | 33 | |
a09abc4a | 34 | #include "memfd-util.h" |
07630cea LP |
35 | #include "socket-util.h" |
36 | #include "string-util.h" | |
37 | #include "util.h" | |
7f3e6257 | 38 | |
bb99a35a LP |
39 | #define SNDBUF_SIZE (8*1024*1024) |
40 | ||
3ed08c44 LP |
41 | #define ALLOCA_CODE_FUNC(f, func) \ |
42 | do { \ | |
43 | size_t _fl; \ | |
44 | const char *_func = (func); \ | |
45 | char **_f = &(f); \ | |
46 | _fl = strlen(_func) + 1; \ | |
47 | *_f = alloca(_fl + 10); \ | |
48 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
49 | memcpy(*_f + 10, _func, _fl); \ | |
50 | } while(false) | |
51 | ||
7f3e6257 LP |
52 | /* We open a single fd, and we'll share it with the current process, |
53 | * all its threads, and all its subprocesses. This means we need to | |
54 | * initialize it atomically, and need to operate on it atomically | |
55 | * never assuming we are the only user */ | |
56 | ||
57 | static int journal_fd(void) { | |
58 | int fd; | |
59 | static int fd_plus_one = 0; | |
60 | ||
61 | retry: | |
62 | if (fd_plus_one > 0) | |
63 | return fd_plus_one - 1; | |
64 | ||
65 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
66 | if (fd < 0) | |
67 | return -errno; | |
68 | ||
bb99a35a LP |
69 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
70 | ||
7f3e6257 | 71 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 72 | safe_close(fd); |
7f3e6257 LP |
73 | goto retry; |
74 | } | |
75 | ||
76 | return fd; | |
77 | } | |
78 | ||
a5344d2c | 79 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
80 | int r; |
81 | va_list ap; | |
82 | ||
83 | va_start(ap, format); | |
d0bbc21c | 84 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
85 | va_end(ap); |
86 | ||
87 | return r; | |
88 | } | |
89 | ||
a5344d2c | 90 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
91 | |
92 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
93 | C99 variable-length array on the stack here in a loop. */ | |
94 | ||
5ffa8c81 ZJS |
95 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
96 | struct iovec iov[2]; | |
d0bbc21c | 97 | |
1ae464e0 TA |
98 | assert_return(priority >= 0, -EINVAL); |
99 | assert_return(priority <= 7, -EINVAL); | |
100 | assert_return(format, -EINVAL); | |
fe652127 | 101 | |
5ffa8c81 | 102 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
7f3e6257 LP |
103 | |
104 | memcpy(buffer, "MESSAGE=", 8); | |
105 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
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 | ||
44b601bc | 114 | _printf_(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; |
c79e98ea | 203 | int fd, r; |
61c024b3 | 204 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
205 | struct iovec *w; |
206 | uint64_t *l; | |
5c0aa72a | 207 | int i, j = 0; |
6e5abe15 ZJS |
208 | struct sockaddr_un sa = { |
209 | .sun_family = AF_UNIX, | |
210 | .sun_path = "/run/systemd/journal/socket", | |
211 | }; | |
212 | struct msghdr mh = { | |
213 | .msg_name = &sa, | |
214 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
215 | }; | |
0dad12c1 | 216 | ssize_t k; |
ee55db41 | 217 | bool have_syslog_identifier = false; |
c79e98ea | 218 | bool seal = true; |
7f3e6257 | 219 | |
1ae464e0 TA |
220 | assert_return(iov, -EINVAL); |
221 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 222 | |
ee55db41 | 223 | w = alloca(sizeof(struct iovec) * n * 5 + 3); |
7f3e6257 LP |
224 | l = alloca(sizeof(uint64_t) * n); |
225 | ||
226 | for (i = 0; i < n; i++) { | |
227 | char *c, *nl; | |
228 | ||
5c0aa72a LP |
229 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
230 | return -EINVAL; | |
a5344d2c | 231 | |
7f3e6257 | 232 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
233 | if (_unlikely_(!c || c == iov[i].iov_base)) |
234 | return -EINVAL; | |
7f3e6257 | 235 | |
29abad10 ZJS |
236 | have_syslog_identifier = have_syslog_identifier || |
237 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 238 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 239 | |
7f3e6257 LP |
240 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
241 | if (nl) { | |
5c0aa72a LP |
242 | if (_unlikely_(nl < c)) |
243 | return -EINVAL; | |
7f3e6257 LP |
244 | |
245 | /* Already includes a newline? Bummer, then | |
246 | * let's write the variable name, then a | |
247 | * newline, then the size (64bit LE), followed | |
248 | * by the data and a final newline */ | |
249 | ||
250 | w[j].iov_base = iov[i].iov_base; | |
251 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
252 | j++; | |
253 | ||
254 | IOVEC_SET_STRING(w[j++], "\n"); | |
255 | ||
256 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
257 | w[j].iov_base = &l[i]; | |
258 | w[j].iov_len = sizeof(uint64_t); | |
259 | j++; | |
260 | ||
261 | w[j].iov_base = c + 1; | |
262 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
263 | j++; | |
264 | ||
265 | } else | |
266 | /* Nothing special? Then just add the line and | |
267 | * append a newline */ | |
268 | w[j++] = iov[i]; | |
269 | ||
270 | IOVEC_SET_STRING(w[j++], "\n"); | |
271 | } | |
272 | ||
ee55db41 LP |
273 | if (!have_syslog_identifier && |
274 | string_is_safe(program_invocation_short_name)) { | |
275 | ||
276 | /* Implicitly add program_invocation_short_name, if it | |
277 | * is not set explicitly. We only do this for | |
278 | * program_invocation_short_name, and nothing else | |
279 | * since everything else is much nicer to retrieve | |
280 | * from the outside. */ | |
281 | ||
282 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
283 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
284 | IOVEC_SET_STRING(w[j++], "\n"); | |
285 | } | |
286 | ||
7f3e6257 | 287 | fd = journal_fd(); |
5c0aa72a LP |
288 | if (_unlikely_(fd < 0)) |
289 | return fd; | |
7f3e6257 | 290 | |
7f3e6257 LP |
291 | mh.msg_iov = w; |
292 | mh.msg_iovlen = j; | |
293 | ||
0dad12c1 | 294 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
295 | if (k >= 0) |
296 | return 0; | |
0dad12c1 | 297 | |
6c045c0b ZJS |
298 | /* Fail silently if the journal is not available */ |
299 | if (errno == ENOENT) | |
300 | return 0; | |
301 | ||
5c0aa72a LP |
302 | if (errno != EMSGSIZE && errno != ENOBUFS) |
303 | return -errno; | |
0dad12c1 | 304 | |
c79e98ea LP |
305 | /* Message doesn't fit... Let's dump the data in a memfd or |
306 | * temporary file and just pass a file descriptor of it to the | |
307 | * other side. | |
8e33886e | 308 | * |
c79e98ea LP |
309 | * For the temporary files we use /dev/shm instead of /tmp |
310 | * here, since we want this to be a tmpfs, and one that is | |
311 | * available from early boot on and where unprivileged users | |
312 | * can create files. */ | |
73843b52 | 313 | buffer_fd = memfd_new(NULL); |
c79e98ea | 314 | if (buffer_fd < 0) { |
73843b52 | 315 | if (buffer_fd == -ENOSYS) { |
c79e98ea LP |
316 | buffer_fd = open_tmpfile("/dev/shm", O_RDWR | O_CLOEXEC); |
317 | if (buffer_fd < 0) | |
318 | return buffer_fd; | |
319 | ||
320 | seal = false; | |
321 | } else | |
73843b52 | 322 | return buffer_fd; |
c79e98ea | 323 | } |
0dad12c1 | 324 | |
87b02843 | 325 | n = writev(buffer_fd, w, j); |
61c024b3 | 326 | if (n < 0) |
5c0aa72a | 327 | return -errno; |
0dad12c1 | 328 | |
c79e98ea | 329 | if (seal) { |
73843b52 | 330 | r = memfd_set_sealed(buffer_fd); |
c79e98ea | 331 | if (r < 0) |
73843b52 | 332 | return r; |
c79e98ea LP |
333 | } |
334 | ||
3ee897d6 | 335 | return send_one_fd(fd, buffer_fd, 0); |
7f3e6257 | 336 | } |
fe652127 | 337 | |
18c7ed18 | 338 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
339 | PROTECT_ERRNO; |
340 | size_t n, k; | |
18c7ed18 LP |
341 | |
342 | k = isempty(message) ? 0 : strlen(message) + 2; | |
343 | n = 8 + k + 256 + 1; | |
344 | ||
345 | for (;;) { | |
346 | char buffer[n]; | |
347 | char* j; | |
348 | ||
349 | errno = 0; | |
5c0aa72a | 350 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 | 351 | if (errno == 0) { |
5ffa8c81 | 352 | char error[sizeof("ERRNO=")-1 + DECIMAL_STR_MAX(int) + 1]; |
18c7ed18 LP |
353 | |
354 | if (j != buffer + 8 + k) | |
355 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
356 | ||
357 | memcpy(buffer, "MESSAGE=", 8); | |
358 | ||
359 | if (k > 0) { | |
360 | memcpy(buffer + 8, message, k - 2); | |
361 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
362 | } | |
363 | ||
5ffa8c81 | 364 | xsprintf(error, "ERRNO=%i", _saved_errno_); |
18c7ed18 LP |
365 | |
366 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); | |
367 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
368 | IOVEC_SET_STRING(iov[skip+2], error); | |
369 | ||
5c0aa72a | 370 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
371 | } |
372 | ||
5c0aa72a LP |
373 | if (errno != ERANGE) |
374 | return -errno; | |
18c7ed18 LP |
375 | |
376 | n *= 2; | |
377 | } | |
378 | } | |
379 | ||
380 | _public_ int sd_journal_perror(const char *message) { | |
381 | struct iovec iovec[3]; | |
382 | ||
383 | return fill_iovec_perror_and_send(message, 0, iovec); | |
384 | } | |
385 | ||
4cd9a9d9 | 386 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
387 | union sockaddr_union sa = { |
388 | .un.sun_family = AF_UNIX, | |
389 | .un.sun_path = "/run/systemd/journal/stdout", | |
390 | }; | |
61c024b3 | 391 | _cleanup_close_ int fd = -1; |
fe652127 LP |
392 | char *header; |
393 | size_t l; | |
61c024b3 | 394 | int r; |
fe652127 | 395 | |
1ae464e0 TA |
396 | assert_return(priority >= 0, -EINVAL); |
397 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
398 | |
399 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
400 | if (fd < 0) | |
401 | return -errno; | |
402 | ||
fe652127 | 403 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
61c024b3 | 404 | if (r < 0) |
fe652127 | 405 | return -errno; |
fe652127 | 406 | |
61c024b3 | 407 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 408 | return -errno; |
86b9b8e7 | 409 | |
bb99a35a LP |
410 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
411 | ||
4cd9a9d9 LP |
412 | if (!identifier) |
413 | identifier = ""; | |
fe652127 | 414 | |
4cd9a9d9 | 415 | l = strlen(identifier); |
8b38f3cc | 416 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 417 | |
4cd9a9d9 | 418 | memcpy(header, identifier, l); |
fe652127 | 419 | header[l++] = '\n'; |
a6e87e90 | 420 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
421 | header[l++] = '0' + priority; |
422 | header[l++] = '\n'; | |
4cd9a9d9 | 423 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
424 | header[l++] = '\n'; |
425 | header[l++] = '0'; | |
426 | header[l++] = '\n'; | |
224f2ee2 LP |
427 | header[l++] = '0'; |
428 | header[l++] = '\n'; | |
429 | header[l++] = '0'; | |
430 | header[l++] = '\n'; | |
fe652127 | 431 | |
553acb7b | 432 | r = loop_write(fd, header, l, false); |
61c024b3 ZJS |
433 | if (r < 0) |
434 | return r; | |
fe652127 | 435 | |
61c024b3 ZJS |
436 | r = fd; |
437 | fd = -1; | |
438 | return r; | |
fe652127 | 439 | } |
b070e7f3 LP |
440 | |
441 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
442 | int r; | |
443 | va_list ap; | |
444 | ||
445 | va_start(ap, format); | |
446 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
447 | va_end(ap); | |
448 | ||
449 | return r; | |
450 | } | |
451 | ||
452 | _public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) { | |
5ffa8c81 | 453 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
b070e7f3 LP |
454 | struct iovec iov[5]; |
455 | char *f; | |
b070e7f3 | 456 | |
1ae464e0 TA |
457 | assert_return(priority >= 0, -EINVAL); |
458 | assert_return(priority <= 7, -EINVAL); | |
459 | assert_return(format, -EINVAL); | |
b070e7f3 | 460 | |
5ffa8c81 | 461 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
b070e7f3 LP |
462 | |
463 | memcpy(buffer, "MESSAGE=", 8); | |
464 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
b070e7f3 LP |
465 | |
466 | /* func is initialized from __func__ which is not a macro, but | |
467 | * a static const char[], hence cannot easily be prefixed with | |
468 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 469 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
470 | |
471 | zero(iov); | |
472 | IOVEC_SET_STRING(iov[0], buffer); | |
473 | IOVEC_SET_STRING(iov[1], p); | |
474 | IOVEC_SET_STRING(iov[2], file); | |
475 | IOVEC_SET_STRING(iov[3], line); | |
476 | IOVEC_SET_STRING(iov[4], f); | |
477 | ||
478 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
479 | } | |
480 | ||
481 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
482 | int r, i, j; | |
483 | va_list ap; | |
484 | struct iovec *iov = NULL; | |
485 | char *f; | |
b070e7f3 LP |
486 | |
487 | va_start(ap, format); | |
488 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
489 | va_end(ap); | |
490 | ||
491 | if (_unlikely_(i < 0)) { | |
492 | r = i; | |
493 | goto finish; | |
494 | } | |
495 | ||
3ed08c44 | 496 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
497 | |
498 | IOVEC_SET_STRING(iov[0], file); | |
499 | IOVEC_SET_STRING(iov[1], line); | |
500 | IOVEC_SET_STRING(iov[2], f); | |
501 | ||
502 | r = sd_journal_sendv(iov, i); | |
503 | ||
504 | finish: | |
505 | for (j = 3; j < i; j++) | |
506 | free(iov[j].iov_base); | |
507 | ||
508 | free(iov); | |
509 | ||
510 | return r; | |
511 | } | |
512 | ||
18c7ed18 LP |
513 | _public_ int sd_journal_sendv_with_location( |
514 | const char *file, const char *line, | |
515 | const char *func, | |
516 | const struct iovec *iov, int n) { | |
517 | ||
b070e7f3 LP |
518 | struct iovec *niov; |
519 | char *f; | |
b070e7f3 | 520 | |
1ae464e0 TA |
521 | assert_return(iov, -EINVAL); |
522 | assert_return(n > 0, -EINVAL); | |
b070e7f3 LP |
523 | |
524 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
525 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
526 | ||
3ed08c44 | 527 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
528 | |
529 | IOVEC_SET_STRING(niov[n++], file); | |
530 | IOVEC_SET_STRING(niov[n++], line); | |
531 | IOVEC_SET_STRING(niov[n++], f); | |
532 | ||
533 | return sd_journal_sendv(niov, n); | |
534 | } | |
18c7ed18 LP |
535 | |
536 | _public_ int sd_journal_perror_with_location( | |
537 | const char *file, const char *line, | |
538 | const char *func, | |
539 | const char *message) { | |
540 | ||
541 | struct iovec iov[6]; | |
18c7ed18 LP |
542 | char *f; |
543 | ||
3ed08c44 | 544 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
545 | |
546 | IOVEC_SET_STRING(iov[0], file); | |
547 | IOVEC_SET_STRING(iov[1], line); | |
548 | IOVEC_SET_STRING(iov[2], f); | |
549 | ||
550 | return fill_iovec_perror_and_send(message, 3, iov); | |
551 | } |