]>
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 | ||
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 | |
3ffd4af2 | 34 | #include "fd-util.h" |
c004493c | 35 | #include "io-util.h" |
a09abc4a | 36 | #include "memfd-util.h" |
07630cea LP |
37 | #include "socket-util.h" |
38 | #include "string-util.h" | |
39 | #include "util.h" | |
7f3e6257 | 40 | |
bb99a35a LP |
41 | #define SNDBUF_SIZE (8*1024*1024) |
42 | ||
3ed08c44 LP |
43 | #define ALLOCA_CODE_FUNC(f, func) \ |
44 | do { \ | |
45 | size_t _fl; \ | |
46 | const char *_func = (func); \ | |
47 | char **_f = &(f); \ | |
48 | _fl = strlen(_func) + 1; \ | |
49 | *_f = alloca(_fl + 10); \ | |
50 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
51 | memcpy(*_f + 10, _func, _fl); \ | |
52 | } while(false) | |
53 | ||
7f3e6257 LP |
54 | /* We open a single fd, and we'll share it with the current process, |
55 | * all its threads, and all its subprocesses. This means we need to | |
56 | * initialize it atomically, and need to operate on it atomically | |
57 | * never assuming we are the only user */ | |
58 | ||
59 | static int journal_fd(void) { | |
60 | int fd; | |
61 | static int fd_plus_one = 0; | |
62 | ||
63 | retry: | |
64 | if (fd_plus_one > 0) | |
65 | return fd_plus_one - 1; | |
66 | ||
67 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
68 | if (fd < 0) | |
69 | return -errno; | |
70 | ||
bb99a35a LP |
71 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
72 | ||
7f3e6257 | 73 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 74 | safe_close(fd); |
7f3e6257 LP |
75 | goto retry; |
76 | } | |
77 | ||
78 | return fd; | |
79 | } | |
80 | ||
a5344d2c | 81 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
82 | int r; |
83 | va_list ap; | |
84 | ||
85 | va_start(ap, format); | |
d0bbc21c | 86 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
87 | va_end(ap); |
88 | ||
89 | return r; | |
90 | } | |
91 | ||
a5344d2c | 92 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
93 | |
94 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
95 | C99 variable-length array on the stack here in a loop. */ | |
96 | ||
5ffa8c81 ZJS |
97 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
98 | struct iovec iov[2]; | |
d0bbc21c | 99 | |
1ae464e0 TA |
100 | assert_return(priority >= 0, -EINVAL); |
101 | assert_return(priority <= 7, -EINVAL); | |
102 | assert_return(format, -EINVAL); | |
fe652127 | 103 | |
5ffa8c81 | 104 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
7f3e6257 LP |
105 | |
106 | memcpy(buffer, "MESSAGE=", 8); | |
107 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
108 | |
109 | zero(iov); | |
d0bbc21c LP |
110 | IOVEC_SET_STRING(iov[0], buffer); |
111 | IOVEC_SET_STRING(iov[1], p); | |
7f3e6257 | 112 | |
d0bbc21c | 113 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
114 | } |
115 | ||
44b601bc | 116 | _printf_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 117 | PROTECT_ERRNO; |
25d042e8 | 118 | int r, n = 0, i = 0, j; |
7f3e6257 | 119 | struct iovec *iov = NULL; |
b070e7f3 LP |
120 | |
121 | assert(_iov); | |
b070e7f3 LP |
122 | |
123 | if (extra > 0) { | |
124 | n = MAX(extra * 2, extra + 4); | |
125 | iov = malloc0(n * sizeof(struct iovec)); | |
126 | if (!iov) { | |
127 | r = -ENOMEM; | |
128 | goto fail; | |
129 | } | |
130 | ||
131 | i = extra; | |
25d042e8 | 132 | } |
7f3e6257 | 133 | |
7f3e6257 LP |
134 | while (format) { |
135 | struct iovec *c; | |
136 | char *buffer; | |
72f1d5a2 | 137 | va_list aq; |
7f3e6257 LP |
138 | |
139 | if (i >= n) { | |
140 | n = MAX(i*2, 4); | |
141 | c = realloc(iov, n * sizeof(struct iovec)); | |
142 | if (!c) { | |
143 | r = -ENOMEM; | |
144 | goto fail; | |
145 | } | |
146 | ||
147 | iov = c; | |
148 | } | |
149 | ||
72f1d5a2 LP |
150 | va_copy(aq, ap); |
151 | if (vasprintf(&buffer, format, aq) < 0) { | |
152 | va_end(aq); | |
7f3e6257 LP |
153 | r = -ENOMEM; |
154 | goto fail; | |
155 | } | |
72f1d5a2 LP |
156 | va_end(aq); |
157 | ||
158 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 LP |
159 | |
160 | IOVEC_SET_STRING(iov[i++], buffer); | |
161 | ||
162 | format = va_arg(ap, char *); | |
163 | } | |
b070e7f3 LP |
164 | |
165 | *_iov = iov; | |
166 | ||
b070e7f3 LP |
167 | return i; |
168 | ||
169 | fail: | |
170 | for (j = 0; j < i; j++) | |
171 | free(iov[j].iov_base); | |
172 | ||
173 | free(iov); | |
174 | ||
b070e7f3 LP |
175 | return r; |
176 | } | |
177 | ||
178 | _public_ int sd_journal_send(const char *format, ...) { | |
179 | int r, i, j; | |
180 | va_list ap; | |
181 | struct iovec *iov = NULL; | |
182 | ||
183 | va_start(ap, format); | |
184 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
185 | va_end(ap); |
186 | ||
b070e7f3 LP |
187 | if (_unlikely_(i < 0)) { |
188 | r = i; | |
189 | goto finish; | |
190 | } | |
191 | ||
7f3e6257 LP |
192 | r = sd_journal_sendv(iov, i); |
193 | ||
b070e7f3 | 194 | finish: |
7f3e6257 LP |
195 | for (j = 0; j < i; j++) |
196 | free(iov[j].iov_base); | |
197 | ||
198 | free(iov); | |
199 | ||
200 | return r; | |
201 | } | |
202 | ||
a5344d2c | 203 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 204 | PROTECT_ERRNO; |
c79e98ea | 205 | int fd, r; |
61c024b3 | 206 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
207 | struct iovec *w; |
208 | uint64_t *l; | |
5c0aa72a | 209 | int i, j = 0; |
6e5abe15 ZJS |
210 | struct sockaddr_un sa = { |
211 | .sun_family = AF_UNIX, | |
212 | .sun_path = "/run/systemd/journal/socket", | |
213 | }; | |
214 | struct msghdr mh = { | |
215 | .msg_name = &sa, | |
216 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
217 | }; | |
0dad12c1 | 218 | ssize_t k; |
ee55db41 | 219 | bool have_syslog_identifier = false; |
c79e98ea | 220 | bool seal = true; |
7f3e6257 | 221 | |
1ae464e0 TA |
222 | assert_return(iov, -EINVAL); |
223 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 224 | |
ee55db41 | 225 | w = alloca(sizeof(struct iovec) * n * 5 + 3); |
7f3e6257 LP |
226 | l = alloca(sizeof(uint64_t) * n); |
227 | ||
228 | for (i = 0; i < n; i++) { | |
229 | char *c, *nl; | |
230 | ||
5c0aa72a LP |
231 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
232 | return -EINVAL; | |
a5344d2c | 233 | |
7f3e6257 | 234 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
235 | if (_unlikely_(!c || c == iov[i].iov_base)) |
236 | return -EINVAL; | |
7f3e6257 | 237 | |
29abad10 ZJS |
238 | have_syslog_identifier = have_syslog_identifier || |
239 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 240 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 241 | |
7f3e6257 LP |
242 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
243 | if (nl) { | |
5c0aa72a LP |
244 | if (_unlikely_(nl < c)) |
245 | return -EINVAL; | |
7f3e6257 LP |
246 | |
247 | /* Already includes a newline? Bummer, then | |
248 | * let's write the variable name, then a | |
249 | * newline, then the size (64bit LE), followed | |
250 | * by the data and a final newline */ | |
251 | ||
252 | w[j].iov_base = iov[i].iov_base; | |
253 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
254 | j++; | |
255 | ||
256 | IOVEC_SET_STRING(w[j++], "\n"); | |
257 | ||
258 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
259 | w[j].iov_base = &l[i]; | |
260 | w[j].iov_len = sizeof(uint64_t); | |
261 | j++; | |
262 | ||
263 | w[j].iov_base = c + 1; | |
264 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
265 | j++; | |
266 | ||
267 | } else | |
268 | /* Nothing special? Then just add the line and | |
269 | * append a newline */ | |
270 | w[j++] = iov[i]; | |
271 | ||
272 | IOVEC_SET_STRING(w[j++], "\n"); | |
273 | } | |
274 | ||
ee55db41 LP |
275 | if (!have_syslog_identifier && |
276 | string_is_safe(program_invocation_short_name)) { | |
277 | ||
278 | /* Implicitly add program_invocation_short_name, if it | |
279 | * is not set explicitly. We only do this for | |
280 | * program_invocation_short_name, and nothing else | |
281 | * since everything else is much nicer to retrieve | |
282 | * from the outside. */ | |
283 | ||
284 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
285 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
286 | IOVEC_SET_STRING(w[j++], "\n"); | |
287 | } | |
288 | ||
7f3e6257 | 289 | fd = journal_fd(); |
5c0aa72a LP |
290 | if (_unlikely_(fd < 0)) |
291 | return fd; | |
7f3e6257 | 292 | |
7f3e6257 LP |
293 | mh.msg_iov = w; |
294 | mh.msg_iovlen = j; | |
295 | ||
0dad12c1 | 296 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
297 | if (k >= 0) |
298 | return 0; | |
0dad12c1 | 299 | |
6c045c0b ZJS |
300 | /* Fail silently if the journal is not available */ |
301 | if (errno == ENOENT) | |
302 | return 0; | |
303 | ||
5c0aa72a LP |
304 | if (errno != EMSGSIZE && errno != ENOBUFS) |
305 | return -errno; | |
0dad12c1 | 306 | |
c79e98ea LP |
307 | /* Message doesn't fit... Let's dump the data in a memfd or |
308 | * temporary file and just pass a file descriptor of it to the | |
309 | * other side. | |
8e33886e | 310 | * |
c79e98ea LP |
311 | * For the temporary files we use /dev/shm instead of /tmp |
312 | * here, since we want this to be a tmpfs, and one that is | |
313 | * available from early boot on and where unprivileged users | |
314 | * can create files. */ | |
73843b52 | 315 | buffer_fd = memfd_new(NULL); |
c79e98ea | 316 | if (buffer_fd < 0) { |
73843b52 | 317 | if (buffer_fd == -ENOSYS) { |
c79e98ea LP |
318 | buffer_fd = open_tmpfile("/dev/shm", O_RDWR | O_CLOEXEC); |
319 | if (buffer_fd < 0) | |
320 | return buffer_fd; | |
321 | ||
322 | seal = false; | |
323 | } else | |
73843b52 | 324 | return buffer_fd; |
c79e98ea | 325 | } |
0dad12c1 | 326 | |
87b02843 | 327 | n = writev(buffer_fd, w, j); |
61c024b3 | 328 | if (n < 0) |
5c0aa72a | 329 | return -errno; |
0dad12c1 | 330 | |
c79e98ea | 331 | if (seal) { |
73843b52 | 332 | r = memfd_set_sealed(buffer_fd); |
c79e98ea | 333 | if (r < 0) |
73843b52 | 334 | return r; |
c79e98ea LP |
335 | } |
336 | ||
3ee897d6 | 337 | return send_one_fd(fd, buffer_fd, 0); |
7f3e6257 | 338 | } |
fe652127 | 339 | |
18c7ed18 | 340 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
341 | PROTECT_ERRNO; |
342 | size_t n, k; | |
18c7ed18 LP |
343 | |
344 | k = isempty(message) ? 0 : strlen(message) + 2; | |
345 | n = 8 + k + 256 + 1; | |
346 | ||
347 | for (;;) { | |
348 | char buffer[n]; | |
349 | char* j; | |
350 | ||
351 | errno = 0; | |
5c0aa72a | 352 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 | 353 | if (errno == 0) { |
5ffa8c81 | 354 | char error[sizeof("ERRNO=")-1 + DECIMAL_STR_MAX(int) + 1]; |
18c7ed18 LP |
355 | |
356 | if (j != buffer + 8 + k) | |
357 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
358 | ||
359 | memcpy(buffer, "MESSAGE=", 8); | |
360 | ||
361 | if (k > 0) { | |
362 | memcpy(buffer + 8, message, k - 2); | |
363 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
364 | } | |
365 | ||
5ffa8c81 | 366 | xsprintf(error, "ERRNO=%i", _saved_errno_); |
18c7ed18 LP |
367 | |
368 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); | |
369 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
370 | IOVEC_SET_STRING(iov[skip+2], error); | |
371 | ||
5c0aa72a | 372 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
373 | } |
374 | ||
5c0aa72a LP |
375 | if (errno != ERANGE) |
376 | return -errno; | |
18c7ed18 LP |
377 | |
378 | n *= 2; | |
379 | } | |
380 | } | |
381 | ||
382 | _public_ int sd_journal_perror(const char *message) { | |
383 | struct iovec iovec[3]; | |
384 | ||
385 | return fill_iovec_perror_and_send(message, 0, iovec); | |
386 | } | |
387 | ||
4cd9a9d9 | 388 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
389 | union sockaddr_union sa = { |
390 | .un.sun_family = AF_UNIX, | |
391 | .un.sun_path = "/run/systemd/journal/stdout", | |
392 | }; | |
61c024b3 | 393 | _cleanup_close_ int fd = -1; |
fe652127 LP |
394 | char *header; |
395 | size_t l; | |
61c024b3 | 396 | int r; |
fe652127 | 397 | |
1ae464e0 TA |
398 | assert_return(priority >= 0, -EINVAL); |
399 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
400 | |
401 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
402 | if (fd < 0) | |
403 | return -errno; | |
404 | ||
fe652127 | 405 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
61c024b3 | 406 | if (r < 0) |
fe652127 | 407 | return -errno; |
fe652127 | 408 | |
61c024b3 | 409 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 410 | return -errno; |
86b9b8e7 | 411 | |
bb99a35a LP |
412 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
413 | ||
4cd9a9d9 LP |
414 | if (!identifier) |
415 | identifier = ""; | |
fe652127 | 416 | |
4cd9a9d9 | 417 | l = strlen(identifier); |
8b38f3cc | 418 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 419 | |
4cd9a9d9 | 420 | memcpy(header, identifier, l); |
fe652127 | 421 | header[l++] = '\n'; |
a6e87e90 | 422 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
423 | header[l++] = '0' + priority; |
424 | header[l++] = '\n'; | |
4cd9a9d9 | 425 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
426 | header[l++] = '\n'; |
427 | header[l++] = '0'; | |
428 | header[l++] = '\n'; | |
224f2ee2 LP |
429 | header[l++] = '0'; |
430 | header[l++] = '\n'; | |
431 | header[l++] = '0'; | |
432 | header[l++] = '\n'; | |
fe652127 | 433 | |
553acb7b | 434 | r = loop_write(fd, header, l, false); |
61c024b3 ZJS |
435 | if (r < 0) |
436 | return r; | |
fe652127 | 437 | |
61c024b3 ZJS |
438 | r = fd; |
439 | fd = -1; | |
440 | return r; | |
fe652127 | 441 | } |
b070e7f3 LP |
442 | |
443 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
444 | int r; | |
445 | va_list ap; | |
446 | ||
447 | va_start(ap, format); | |
448 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
449 | va_end(ap); | |
450 | ||
451 | return r; | |
452 | } | |
453 | ||
454 | _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 | 455 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
b070e7f3 LP |
456 | struct iovec iov[5]; |
457 | char *f; | |
b070e7f3 | 458 | |
1ae464e0 TA |
459 | assert_return(priority >= 0, -EINVAL); |
460 | assert_return(priority <= 7, -EINVAL); | |
461 | assert_return(format, -EINVAL); | |
b070e7f3 | 462 | |
5ffa8c81 | 463 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
b070e7f3 LP |
464 | |
465 | memcpy(buffer, "MESSAGE=", 8); | |
466 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
b070e7f3 LP |
467 | |
468 | /* func is initialized from __func__ which is not a macro, but | |
469 | * a static const char[], hence cannot easily be prefixed with | |
470 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 471 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
472 | |
473 | zero(iov); | |
474 | IOVEC_SET_STRING(iov[0], buffer); | |
475 | IOVEC_SET_STRING(iov[1], p); | |
476 | IOVEC_SET_STRING(iov[2], file); | |
477 | IOVEC_SET_STRING(iov[3], line); | |
478 | IOVEC_SET_STRING(iov[4], f); | |
479 | ||
480 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
481 | } | |
482 | ||
483 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
484 | int r, i, j; | |
485 | va_list ap; | |
486 | struct iovec *iov = NULL; | |
487 | char *f; | |
b070e7f3 LP |
488 | |
489 | va_start(ap, format); | |
490 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
491 | va_end(ap); | |
492 | ||
493 | if (_unlikely_(i < 0)) { | |
494 | r = i; | |
495 | goto finish; | |
496 | } | |
497 | ||
3ed08c44 | 498 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
499 | |
500 | IOVEC_SET_STRING(iov[0], file); | |
501 | IOVEC_SET_STRING(iov[1], line); | |
502 | IOVEC_SET_STRING(iov[2], f); | |
503 | ||
504 | r = sd_journal_sendv(iov, i); | |
505 | ||
506 | finish: | |
507 | for (j = 3; j < i; j++) | |
508 | free(iov[j].iov_base); | |
509 | ||
510 | free(iov); | |
511 | ||
512 | return r; | |
513 | } | |
514 | ||
18c7ed18 LP |
515 | _public_ int sd_journal_sendv_with_location( |
516 | const char *file, const char *line, | |
517 | const char *func, | |
518 | const struct iovec *iov, int n) { | |
519 | ||
b070e7f3 LP |
520 | struct iovec *niov; |
521 | char *f; | |
b070e7f3 | 522 | |
1ae464e0 TA |
523 | assert_return(iov, -EINVAL); |
524 | assert_return(n > 0, -EINVAL); | |
b070e7f3 LP |
525 | |
526 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
527 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
528 | ||
3ed08c44 | 529 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
530 | |
531 | IOVEC_SET_STRING(niov[n++], file); | |
532 | IOVEC_SET_STRING(niov[n++], line); | |
533 | IOVEC_SET_STRING(niov[n++], f); | |
534 | ||
535 | return sd_journal_sendv(niov, n); | |
536 | } | |
18c7ed18 LP |
537 | |
538 | _public_ int sd_journal_perror_with_location( | |
539 | const char *file, const char *line, | |
540 | const char *func, | |
541 | const char *message) { | |
542 | ||
543 | struct iovec iov[6]; | |
18c7ed18 LP |
544 | char *f; |
545 | ||
3ed08c44 | 546 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
547 | |
548 | IOVEC_SET_STRING(iov[0], file); | |
549 | IOVEC_SET_STRING(iov[1], line); | |
550 | IOVEC_SET_STRING(iov[2], f); | |
551 | ||
552 | return fill_iovec_perror_and_send(message, 3, iov); | |
553 | } |