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Commit | Line | Data |
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7f3e6257 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
7f3e6257 LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
7f3e6257 | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
7f3e6257 LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
7f3e6257 | 20 | #include <errno.h> |
0dad12c1 | 21 | #include <fcntl.h> |
72f1d5a2 | 22 | #include <printf.h> |
07630cea LP |
23 | #include <stddef.h> |
24 | #include <sys/socket.h> | |
25 | #include <sys/un.h> | |
26 | #include <unistd.h> | |
7f3e6257 | 27 | |
b070e7f3 LP |
28 | #define SD_JOURNAL_SUPPRESS_LOCATION |
29 | ||
7f3e6257 | 30 | #include "sd-journal.h" |
07630cea | 31 | |
b5efdb8a | 32 | #include "alloc-util.h" |
3ffd4af2 | 33 | #include "fd-util.h" |
0d39fa9c | 34 | #include "fileio.h" |
c004493c | 35 | #include "io-util.h" |
a09abc4a | 36 | #include "memfd-util.h" |
07630cea | 37 | #include "socket-util.h" |
15a5e950 | 38 | #include "stdio-util.h" |
07630cea LP |
39 | #include "string-util.h" |
40 | #include "util.h" | |
7f3e6257 | 41 | |
bb99a35a LP |
42 | #define SNDBUF_SIZE (8*1024*1024) |
43 | ||
3ed08c44 LP |
44 | #define ALLOCA_CODE_FUNC(f, func) \ |
45 | do { \ | |
46 | size_t _fl; \ | |
47 | const char *_func = (func); \ | |
48 | char **_f = &(f); \ | |
49 | _fl = strlen(_func) + 1; \ | |
50 | *_f = alloca(_fl + 10); \ | |
51 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
52 | memcpy(*_f + 10, _func, _fl); \ | |
9ed794a3 | 53 | } while (false) |
3ed08c44 | 54 | |
7f3e6257 LP |
55 | /* We open a single fd, and we'll share it with the current process, |
56 | * all its threads, and all its subprocesses. This means we need to | |
57 | * initialize it atomically, and need to operate on it atomically | |
58 | * never assuming we are the only user */ | |
59 | ||
60 | static int journal_fd(void) { | |
61 | int fd; | |
62 | static int fd_plus_one = 0; | |
63 | ||
64 | retry: | |
65 | if (fd_plus_one > 0) | |
66 | return fd_plus_one - 1; | |
67 | ||
68 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
69 | if (fd < 0) | |
70 | return -errno; | |
71 | ||
bb99a35a LP |
72 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
73 | ||
7f3e6257 | 74 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 75 | safe_close(fd); |
7f3e6257 LP |
76 | goto retry; |
77 | } | |
78 | ||
79 | return fd; | |
80 | } | |
81 | ||
a5344d2c | 82 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
83 | int r; |
84 | va_list ap; | |
85 | ||
86 | va_start(ap, format); | |
d0bbc21c | 87 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
88 | va_end(ap); |
89 | ||
90 | return r; | |
91 | } | |
92 | ||
a5344d2c | 93 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
94 | |
95 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
96 | C99 variable-length array on the stack here in a loop. */ | |
97 | ||
5ffa8c81 ZJS |
98 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
99 | struct iovec iov[2]; | |
d0bbc21c | 100 | |
1ae464e0 TA |
101 | assert_return(priority >= 0, -EINVAL); |
102 | assert_return(priority <= 7, -EINVAL); | |
103 | assert_return(format, -EINVAL); | |
fe652127 | 104 | |
5ffa8c81 | 105 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
7f3e6257 LP |
106 | |
107 | memcpy(buffer, "MESSAGE=", 8); | |
108 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
109 | |
110 | zero(iov); | |
d0bbc21c LP |
111 | IOVEC_SET_STRING(iov[0], buffer); |
112 | IOVEC_SET_STRING(iov[1], p); | |
7f3e6257 | 113 | |
d0bbc21c | 114 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
115 | } |
116 | ||
44b601bc | 117 | _printf_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 118 | PROTECT_ERRNO; |
25d042e8 | 119 | int r, n = 0, i = 0, j; |
7f3e6257 | 120 | struct iovec *iov = NULL; |
b070e7f3 LP |
121 | |
122 | assert(_iov); | |
b070e7f3 LP |
123 | |
124 | if (extra > 0) { | |
125 | n = MAX(extra * 2, extra + 4); | |
126 | iov = malloc0(n * sizeof(struct iovec)); | |
127 | if (!iov) { | |
128 | r = -ENOMEM; | |
129 | goto fail; | |
130 | } | |
131 | ||
132 | i = extra; | |
25d042e8 | 133 | } |
7f3e6257 | 134 | |
7f3e6257 LP |
135 | while (format) { |
136 | struct iovec *c; | |
137 | char *buffer; | |
72f1d5a2 | 138 | va_list aq; |
7f3e6257 LP |
139 | |
140 | if (i >= n) { | |
141 | n = MAX(i*2, 4); | |
142 | c = realloc(iov, n * sizeof(struct iovec)); | |
143 | if (!c) { | |
144 | r = -ENOMEM; | |
145 | goto fail; | |
146 | } | |
147 | ||
148 | iov = c; | |
149 | } | |
150 | ||
72f1d5a2 LP |
151 | va_copy(aq, ap); |
152 | if (vasprintf(&buffer, format, aq) < 0) { | |
153 | va_end(aq); | |
7f3e6257 LP |
154 | r = -ENOMEM; |
155 | goto fail; | |
156 | } | |
72f1d5a2 LP |
157 | va_end(aq); |
158 | ||
159 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 LP |
160 | |
161 | IOVEC_SET_STRING(iov[i++], buffer); | |
162 | ||
163 | format = va_arg(ap, char *); | |
164 | } | |
b070e7f3 LP |
165 | |
166 | *_iov = iov; | |
167 | ||
b070e7f3 LP |
168 | return i; |
169 | ||
170 | fail: | |
171 | for (j = 0; j < i; j++) | |
172 | free(iov[j].iov_base); | |
173 | ||
174 | free(iov); | |
175 | ||
b070e7f3 LP |
176 | return r; |
177 | } | |
178 | ||
179 | _public_ int sd_journal_send(const char *format, ...) { | |
180 | int r, i, j; | |
181 | va_list ap; | |
182 | struct iovec *iov = NULL; | |
183 | ||
184 | va_start(ap, format); | |
185 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
186 | va_end(ap); |
187 | ||
b070e7f3 LP |
188 | if (_unlikely_(i < 0)) { |
189 | r = i; | |
190 | goto finish; | |
191 | } | |
192 | ||
7f3e6257 LP |
193 | r = sd_journal_sendv(iov, i); |
194 | ||
b070e7f3 | 195 | finish: |
7f3e6257 LP |
196 | for (j = 0; j < i; j++) |
197 | free(iov[j].iov_base); | |
198 | ||
199 | free(iov); | |
200 | ||
201 | return r; | |
202 | } | |
203 | ||
a5344d2c | 204 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 205 | PROTECT_ERRNO; |
c79e98ea | 206 | int fd, r; |
61c024b3 | 207 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
208 | struct iovec *w; |
209 | uint64_t *l; | |
5c0aa72a | 210 | int i, j = 0; |
6e5abe15 ZJS |
211 | struct sockaddr_un sa = { |
212 | .sun_family = AF_UNIX, | |
213 | .sun_path = "/run/systemd/journal/socket", | |
214 | }; | |
215 | struct msghdr mh = { | |
216 | .msg_name = &sa, | |
217 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
218 | }; | |
0dad12c1 | 219 | ssize_t k; |
ee55db41 | 220 | bool have_syslog_identifier = false; |
c79e98ea | 221 | bool seal = true; |
7f3e6257 | 222 | |
1ae464e0 TA |
223 | assert_return(iov, -EINVAL); |
224 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 225 | |
9a7800af ZJS |
226 | w = newa(struct iovec, n * 5 + 3); |
227 | l = newa(uint64_t, n); | |
7f3e6257 LP |
228 | |
229 | for (i = 0; i < n; i++) { | |
230 | char *c, *nl; | |
231 | ||
5c0aa72a LP |
232 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
233 | return -EINVAL; | |
a5344d2c | 234 | |
7f3e6257 | 235 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
236 | if (_unlikely_(!c || c == iov[i].iov_base)) |
237 | return -EINVAL; | |
7f3e6257 | 238 | |
29abad10 ZJS |
239 | have_syslog_identifier = have_syslog_identifier || |
240 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 241 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 242 | |
7f3e6257 LP |
243 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
244 | if (nl) { | |
5c0aa72a LP |
245 | if (_unlikely_(nl < c)) |
246 | return -EINVAL; | |
7f3e6257 LP |
247 | |
248 | /* Already includes a newline? Bummer, then | |
249 | * let's write the variable name, then a | |
250 | * newline, then the size (64bit LE), followed | |
251 | * by the data and a final newline */ | |
252 | ||
253 | w[j].iov_base = iov[i].iov_base; | |
254 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
255 | j++; | |
256 | ||
257 | IOVEC_SET_STRING(w[j++], "\n"); | |
258 | ||
259 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
260 | w[j].iov_base = &l[i]; | |
261 | w[j].iov_len = sizeof(uint64_t); | |
262 | j++; | |
263 | ||
264 | w[j].iov_base = c + 1; | |
265 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
266 | j++; | |
267 | ||
268 | } else | |
269 | /* Nothing special? Then just add the line and | |
270 | * append a newline */ | |
271 | w[j++] = iov[i]; | |
272 | ||
273 | IOVEC_SET_STRING(w[j++], "\n"); | |
274 | } | |
275 | ||
ee55db41 LP |
276 | if (!have_syslog_identifier && |
277 | string_is_safe(program_invocation_short_name)) { | |
278 | ||
279 | /* Implicitly add program_invocation_short_name, if it | |
280 | * is not set explicitly. We only do this for | |
281 | * program_invocation_short_name, and nothing else | |
282 | * since everything else is much nicer to retrieve | |
283 | * from the outside. */ | |
284 | ||
285 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
286 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
287 | IOVEC_SET_STRING(w[j++], "\n"); | |
288 | } | |
289 | ||
7f3e6257 | 290 | fd = journal_fd(); |
5c0aa72a LP |
291 | if (_unlikely_(fd < 0)) |
292 | return fd; | |
7f3e6257 | 293 | |
7f3e6257 LP |
294 | mh.msg_iov = w; |
295 | mh.msg_iovlen = j; | |
296 | ||
0dad12c1 | 297 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
298 | if (k >= 0) |
299 | return 0; | |
0dad12c1 | 300 | |
6c045c0b ZJS |
301 | /* Fail silently if the journal is not available */ |
302 | if (errno == ENOENT) | |
303 | return 0; | |
304 | ||
5c0aa72a LP |
305 | if (errno != EMSGSIZE && errno != ENOBUFS) |
306 | return -errno; | |
0dad12c1 | 307 | |
c79e98ea LP |
308 | /* Message doesn't fit... Let's dump the data in a memfd or |
309 | * temporary file and just pass a file descriptor of it to the | |
310 | * other side. | |
8e33886e | 311 | * |
c79e98ea LP |
312 | * For the temporary files we use /dev/shm instead of /tmp |
313 | * here, since we want this to be a tmpfs, and one that is | |
314 | * available from early boot on and where unprivileged users | |
315 | * can create files. */ | |
73843b52 | 316 | buffer_fd = memfd_new(NULL); |
c79e98ea | 317 | if (buffer_fd < 0) { |
73843b52 | 318 | if (buffer_fd == -ENOSYS) { |
c79e98ea LP |
319 | buffer_fd = open_tmpfile("/dev/shm", O_RDWR | O_CLOEXEC); |
320 | if (buffer_fd < 0) | |
321 | return buffer_fd; | |
322 | ||
323 | seal = false; | |
324 | } else | |
73843b52 | 325 | return buffer_fd; |
c79e98ea | 326 | } |
0dad12c1 | 327 | |
87b02843 | 328 | n = writev(buffer_fd, w, j); |
61c024b3 | 329 | if (n < 0) |
5c0aa72a | 330 | return -errno; |
0dad12c1 | 331 | |
c79e98ea | 332 | if (seal) { |
73843b52 | 333 | r = memfd_set_sealed(buffer_fd); |
c79e98ea | 334 | if (r < 0) |
73843b52 | 335 | return r; |
c79e98ea LP |
336 | } |
337 | ||
4941e4ac ZJS |
338 | r = send_one_fd_sa(fd, buffer_fd, mh.msg_name, mh.msg_namelen, 0); |
339 | if (r == -ENOENT) | |
340 | /* Fail silently if the journal is not available */ | |
341 | return 0; | |
342 | return r; | |
7f3e6257 | 343 | } |
fe652127 | 344 | |
18c7ed18 | 345 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
346 | PROTECT_ERRNO; |
347 | size_t n, k; | |
18c7ed18 LP |
348 | |
349 | k = isempty(message) ? 0 : strlen(message) + 2; | |
350 | n = 8 + k + 256 + 1; | |
351 | ||
352 | for (;;) { | |
353 | char buffer[n]; | |
354 | char* j; | |
355 | ||
356 | errno = 0; | |
5c0aa72a | 357 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 | 358 | if (errno == 0) { |
5ffa8c81 | 359 | char error[sizeof("ERRNO=")-1 + DECIMAL_STR_MAX(int) + 1]; |
18c7ed18 LP |
360 | |
361 | if (j != buffer + 8 + k) | |
362 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
363 | ||
364 | memcpy(buffer, "MESSAGE=", 8); | |
365 | ||
366 | if (k > 0) { | |
367 | memcpy(buffer + 8, message, k - 2); | |
368 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
369 | } | |
370 | ||
5ffa8c81 | 371 | xsprintf(error, "ERRNO=%i", _saved_errno_); |
18c7ed18 | 372 | |
4850d39a | 373 | assert_cc(3 == LOG_ERR); |
18c7ed18 LP |
374 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); |
375 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
376 | IOVEC_SET_STRING(iov[skip+2], error); | |
377 | ||
5c0aa72a | 378 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
379 | } |
380 | ||
5c0aa72a LP |
381 | if (errno != ERANGE) |
382 | return -errno; | |
18c7ed18 LP |
383 | |
384 | n *= 2; | |
385 | } | |
386 | } | |
387 | ||
388 | _public_ int sd_journal_perror(const char *message) { | |
389 | struct iovec iovec[3]; | |
390 | ||
391 | return fill_iovec_perror_and_send(message, 0, iovec); | |
392 | } | |
393 | ||
4cd9a9d9 | 394 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
395 | union sockaddr_union sa = { |
396 | .un.sun_family = AF_UNIX, | |
397 | .un.sun_path = "/run/systemd/journal/stdout", | |
398 | }; | |
61c024b3 | 399 | _cleanup_close_ int fd = -1; |
fe652127 LP |
400 | char *header; |
401 | size_t l; | |
61c024b3 | 402 | int r; |
fe652127 | 403 | |
1ae464e0 TA |
404 | assert_return(priority >= 0, -EINVAL); |
405 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
406 | |
407 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
408 | if (fd < 0) | |
409 | return -errno; | |
410 | ||
fe652127 | 411 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
61c024b3 | 412 | if (r < 0) |
fe652127 | 413 | return -errno; |
fe652127 | 414 | |
61c024b3 | 415 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 416 | return -errno; |
86b9b8e7 | 417 | |
bb99a35a LP |
418 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
419 | ||
4cd9a9d9 LP |
420 | if (!identifier) |
421 | identifier = ""; | |
fe652127 | 422 | |
4cd9a9d9 | 423 | l = strlen(identifier); |
8b38f3cc | 424 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 425 | |
4cd9a9d9 | 426 | memcpy(header, identifier, l); |
fe652127 | 427 | header[l++] = '\n'; |
a6e87e90 | 428 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
429 | header[l++] = '0' + priority; |
430 | header[l++] = '\n'; | |
4cd9a9d9 | 431 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
432 | header[l++] = '\n'; |
433 | header[l++] = '0'; | |
434 | header[l++] = '\n'; | |
224f2ee2 LP |
435 | header[l++] = '0'; |
436 | header[l++] = '\n'; | |
437 | header[l++] = '0'; | |
438 | header[l++] = '\n'; | |
fe652127 | 439 | |
553acb7b | 440 | r = loop_write(fd, header, l, false); |
61c024b3 ZJS |
441 | if (r < 0) |
442 | return r; | |
fe652127 | 443 | |
61c024b3 ZJS |
444 | r = fd; |
445 | fd = -1; | |
446 | return r; | |
fe652127 | 447 | } |
b070e7f3 LP |
448 | |
449 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
450 | int r; | |
451 | va_list ap; | |
452 | ||
453 | va_start(ap, format); | |
454 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
455 | va_end(ap); | |
456 | ||
457 | return r; | |
458 | } | |
459 | ||
460 | _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 | 461 | char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1]; |
b070e7f3 LP |
462 | struct iovec iov[5]; |
463 | char *f; | |
b070e7f3 | 464 | |
1ae464e0 TA |
465 | assert_return(priority >= 0, -EINVAL); |
466 | assert_return(priority <= 7, -EINVAL); | |
467 | assert_return(format, -EINVAL); | |
b070e7f3 | 468 | |
5ffa8c81 | 469 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
b070e7f3 LP |
470 | |
471 | memcpy(buffer, "MESSAGE=", 8); | |
472 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
b070e7f3 LP |
473 | |
474 | /* func is initialized from __func__ which is not a macro, but | |
475 | * a static const char[], hence cannot easily be prefixed with | |
476 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 477 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
478 | |
479 | zero(iov); | |
480 | IOVEC_SET_STRING(iov[0], buffer); | |
481 | IOVEC_SET_STRING(iov[1], p); | |
482 | IOVEC_SET_STRING(iov[2], file); | |
483 | IOVEC_SET_STRING(iov[3], line); | |
484 | IOVEC_SET_STRING(iov[4], f); | |
485 | ||
486 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
487 | } | |
488 | ||
489 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
490 | int r, i, j; | |
491 | va_list ap; | |
492 | struct iovec *iov = NULL; | |
493 | char *f; | |
b070e7f3 LP |
494 | |
495 | va_start(ap, format); | |
496 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
497 | va_end(ap); | |
498 | ||
499 | if (_unlikely_(i < 0)) { | |
500 | r = i; | |
501 | goto finish; | |
502 | } | |
503 | ||
3ed08c44 | 504 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
505 | |
506 | IOVEC_SET_STRING(iov[0], file); | |
507 | IOVEC_SET_STRING(iov[1], line); | |
508 | IOVEC_SET_STRING(iov[2], f); | |
509 | ||
510 | r = sd_journal_sendv(iov, i); | |
511 | ||
512 | finish: | |
513 | for (j = 3; j < i; j++) | |
514 | free(iov[j].iov_base); | |
515 | ||
516 | free(iov); | |
517 | ||
518 | return r; | |
519 | } | |
520 | ||
18c7ed18 LP |
521 | _public_ int sd_journal_sendv_with_location( |
522 | const char *file, const char *line, | |
523 | const char *func, | |
524 | const struct iovec *iov, int n) { | |
525 | ||
b070e7f3 LP |
526 | struct iovec *niov; |
527 | char *f; | |
b070e7f3 | 528 | |
1ae464e0 TA |
529 | assert_return(iov, -EINVAL); |
530 | assert_return(n > 0, -EINVAL); | |
b070e7f3 LP |
531 | |
532 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
533 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
534 | ||
3ed08c44 | 535 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
536 | |
537 | IOVEC_SET_STRING(niov[n++], file); | |
538 | IOVEC_SET_STRING(niov[n++], line); | |
539 | IOVEC_SET_STRING(niov[n++], f); | |
540 | ||
541 | return sd_journal_sendv(niov, n); | |
542 | } | |
18c7ed18 LP |
543 | |
544 | _public_ int sd_journal_perror_with_location( | |
545 | const char *file, const char *line, | |
546 | const char *func, | |
547 | const char *message) { | |
548 | ||
549 | struct iovec iov[6]; | |
18c7ed18 LP |
550 | char *f; |
551 | ||
3ed08c44 | 552 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
553 | |
554 | IOVEC_SET_STRING(iov[0], file); | |
555 | IOVEC_SET_STRING(iov[1], line); | |
556 | IOVEC_SET_STRING(iov[2], f); | |
557 | ||
558 | return fill_iovec_perror_and_send(message, 3, iov); | |
559 | } |