2 This file is part of systemd.
4 Copyright 2010 Lennart Poettering
5 Copyright 2013 Thomas H.P. Andersen
7 systemd is free software; you can redistribute it and/or modify it
8 under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 2.1 of the License, or
10 (at your option) any later version.
12 systemd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 #include "extract-word.h"
26 #include "string-util.h"
28 static void test_extract_first_word(void) {
29 const char *p, *original;
32 p = original = "foobar waldo";
33 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
34 assert_se(streq(t, "foobar"));
36 assert_se(p == original + 7);
38 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
39 assert_se(streq(t, "waldo"));
41 assert_se(isempty(p));
43 assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
45 assert_se(isempty(p));
47 p = original = "\"foobar\" \'waldo\'";
48 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
49 assert_se(streq(t, "\"foobar\""));
51 assert_se(p == original + 9);
53 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
54 assert_se(streq(t, "\'waldo\'"));
56 assert_se(isempty(p));
58 assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
60 assert_se(isempty(p));
62 p = original = "\"foobar\" \'waldo\'";
63 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
64 assert_se(streq(t, "foobar"));
66 assert_se(p == original + 9);
68 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
69 assert_se(streq(t, "waldo"));
71 assert_se(isempty(p));
73 assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
75 assert_se(isempty(p));
78 assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
79 assert_se(streq(t, "\""));
81 assert_se(isempty(p));
84 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
85 assert_se(p == original + 1);
88 assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
89 assert_se(streq(t, "\'"));
91 assert_se(isempty(p));
94 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
95 assert_se(p == original + 1);
97 p = original = "\'fooo";
98 assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
99 assert_se(streq(t, "\'fooo"));
101 assert_se(isempty(p));
103 p = original = "\'fooo";
104 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
105 assert_se(p == original + 5);
107 p = original = "\'fooo";
108 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
109 assert_se(streq(t, "fooo"));
111 assert_se(isempty(p));
113 p = original = "\"fooo";
114 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
115 assert_se(streq(t, "fooo"));
117 assert_se(isempty(p));
119 p = original = "yay\'foo\'bar";
120 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
121 assert_se(streq(t, "yay\'foo\'bar"));
123 assert_se(isempty(p));
125 p = original = "yay\'foo\'bar";
126 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
127 assert_se(streq(t, "yayfoobar"));
129 assert_se(isempty(p));
131 p = original = " foobar ";
132 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
133 assert_se(streq(t, "foobar"));
135 assert_se(isempty(p));
137 p = original = " foo\\ba\\x6ar ";
138 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
139 assert_se(streq(t, "foo\ba\x6ar"));
141 assert_se(isempty(p));
143 p = original = " foo\\ba\\x6ar ";
144 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
145 assert_se(streq(t, "foobax6ar"));
147 assert_se(isempty(p));
149 p = original = " f\\u00f6o \"pi\\U0001F4A9le\" ";
150 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
151 assert_se(streq(t, "föo"));
153 assert_se(p == original + 13);
155 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE) > 0);
156 assert_se(streq(t, "pi\360\237\222\251le"));
158 assert_se(isempty(p));
160 p = original = "fooo\\";
161 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
162 assert_se(streq(t, "fooo"));
164 assert_se(isempty(p));
166 p = original = "fooo\\";
167 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
168 assert_se(streq(t, "fooo\\"));
170 assert_se(isempty(p));
172 p = original = "fooo\\";
173 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
174 assert_se(streq(t, "fooo\\"));
176 assert_se(isempty(p));
178 p = original = "fooo\\";
179 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
180 assert_se(streq(t, "fooo\\"));
182 assert_se(isempty(p));
184 p = original = "\"foo\\";
185 assert_se(extract_first_word(&p, &t, NULL, 0) == -EINVAL);
186 assert_se(p == original + 5);
188 p = original = "\"foo\\";
189 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
190 assert_se(streq(t, "foo"));
192 assert_se(isempty(p));
194 p = original = "foo::bar";
195 assert_se(extract_first_word(&p, &t, ":", 0) == 1);
196 assert_se(streq(t, "foo"));
198 assert_se(p == original + 5);
200 assert_se(extract_first_word(&p, &t, ":", 0) == 1);
201 assert_se(streq(t, "bar"));
203 assert_se(isempty(p));
205 assert_se(extract_first_word(&p, &t, ":", 0) == 0);
207 assert_se(isempty(p));
209 p = original = "foo\\:bar::waldo";
210 assert_se(extract_first_word(&p, &t, ":", 0) == 1);
211 assert_se(streq(t, "foo:bar"));
213 assert_se(p == original + 10);
215 assert_se(extract_first_word(&p, &t, ":", 0) == 1);
216 assert_se(streq(t, "waldo"));
218 assert_se(isempty(p));
220 assert_se(extract_first_word(&p, &t, ":", 0) == 0);
222 assert_se(isempty(p));
224 p = original = "\"foo\\";
225 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX) == -EINVAL);
226 assert_se(p == original + 5);
228 p = original = "\"foo\\";
229 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
230 assert_se(streq(t, "foo\\"));
232 assert_se(isempty(p));
234 p = original = "\"foo\\";
235 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
236 assert_se(streq(t, "foo\\"));
238 assert_se(isempty(p));
240 p = original = "fooo\\ bar quux";
241 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
242 assert_se(streq(t, "fooo bar"));
244 assert_se(p == original + 10);
246 p = original = "fooo\\ bar quux";
247 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
248 assert_se(streq(t, "fooo bar"));
250 assert_se(p == original + 10);
252 p = original = "fooo\\ bar quux";
253 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
254 assert_se(streq(t, "fooo bar"));
256 assert_se(p == original + 10);
258 p = original = "fooo\\ bar quux";
259 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
260 assert_se(p == original + 5);
262 p = original = "fooo\\ bar quux";
263 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
264 assert_se(streq(t, "fooo\\ bar"));
266 assert_se(p == original + 10);
268 p = original = "\\w+@\\K[\\d.]+";
269 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
270 assert_se(p == original + 1);
272 p = original = "\\w+@\\K[\\d.]+";
273 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
274 assert_se(streq(t, "\\w+@\\K[\\d.]+"));
276 assert_se(isempty(p));
278 p = original = "\\w+\\b";
279 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
280 assert_se(streq(t, "\\w+\b"));
282 assert_se(isempty(p));
284 p = original = "-N ''";
285 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
286 assert_se(streq(t, "-N"));
288 assert_se(p == original + 3);
290 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
291 assert_se(streq(t, ""));
293 assert_se(isempty(p));
295 p = original = ":foo\\:bar::waldo:";
296 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
298 assert_se(streq(t, ""));
300 assert_se(p == original + 1);
302 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
303 assert_se(streq(t, "foo:bar"));
305 assert_se(p == original + 10);
307 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
309 assert_se(streq(t, ""));
311 assert_se(p == original + 11);
313 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
314 assert_se(streq(t, "waldo"));
316 assert_se(p == original + 17);
318 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
319 assert_se(streq(t, ""));
321 assert_se(p == NULL);
323 assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 0);
328 assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
329 assert_se(streq(t, "fooxbar"));
331 assert_se(p == NULL);
334 assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) > 0);
335 assert_se(streq(t, "foo\\xbar"));
337 assert_se(p == NULL);
340 #if 0 /// UNNEEDED by elogind
341 static void test_extract_first_word_and_warn(void) {
342 const char *p, *original;
345 p = original = "foobar waldo";
346 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
347 assert_se(streq(t, "foobar"));
349 assert_se(p == original + 7);
351 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
352 assert_se(streq(t, "waldo"));
354 assert_se(isempty(p));
356 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
358 assert_se(isempty(p));
360 p = original = "\"foobar\" \'waldo\'";
361 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
362 assert_se(streq(t, "foobar"));
364 assert_se(p == original + 9);
366 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
367 assert_se(streq(t, "waldo"));
369 assert_se(isempty(p));
371 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
373 assert_se(isempty(p));
376 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
377 assert_se(p == original + 1);
380 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
381 assert_se(p == original + 1);
383 p = original = "\'fooo";
384 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
385 assert_se(p == original + 5);
387 p = original = "\'fooo";
388 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
389 assert_se(streq(t, "fooo"));
391 assert_se(isempty(p));
393 p = original = " foo\\ba\\x6ar ";
394 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
395 assert_se(streq(t, "foo\ba\x6ar"));
397 assert_se(isempty(p));
399 p = original = " foo\\ba\\x6ar ";
400 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
401 assert_se(streq(t, "foobax6ar"));
403 assert_se(isempty(p));
405 p = original = " f\\u00f6o \"pi\\U0001F4A9le\" ";
406 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
407 assert_se(streq(t, "föo"));
409 assert_se(p == original + 13);
411 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
412 assert_se(streq(t, "pi\360\237\222\251le"));
414 assert_se(isempty(p));
416 p = original = "fooo\\";
417 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
418 assert_se(streq(t, "fooo"));
420 assert_se(isempty(p));
422 p = original = "fooo\\";
423 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
424 assert_se(streq(t, "fooo\\"));
426 assert_se(isempty(p));
428 p = original = "fooo\\";
429 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
430 assert_se(streq(t, "fooo\\"));
432 assert_se(isempty(p));
434 p = original = "\"foo\\";
435 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
436 assert_se(p == original + 5);
438 p = original = "\"foo\\";
439 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
440 assert_se(streq(t, "foo"));
442 assert_se(isempty(p));
444 p = original = "\"foo\\";
445 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) == -EINVAL);
446 assert_se(p == original + 5);
448 p = original = "\"foo\\";
449 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
450 assert_se(streq(t, "foo"));
452 assert_se(isempty(p));
454 p = original = "fooo\\ bar quux";
455 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
456 assert_se(streq(t, "fooo bar"));
458 assert_se(p == original + 10);
460 p = original = "fooo\\ bar quux";
461 assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
462 assert_se(streq(t, "fooo bar"));
464 assert_se(p == original + 10);
466 p = original = "fooo\\ bar quux";
467 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
468 assert_se(streq(t, "fooo\\ bar"));
470 assert_se(p == original + 10);
472 p = original = "\\w+@\\K[\\d.]+";
473 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
474 assert_se(streq(t, "\\w+@\\K[\\d.]+"));
476 assert_se(isempty(p));
478 p = original = "\\w+\\b";
479 assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
480 assert_se(streq(t, "\\w+\b"));
482 assert_se(isempty(p));
485 static void test_extract_many_words(void) {
486 const char *p, *original;
489 p = original = "foobar waldi piep";
490 assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 3);
491 assert_se(isempty(p));
492 assert_se(streq_ptr(a, "foobar"));
493 assert_se(streq_ptr(b, "waldi"));
494 assert_se(streq_ptr(c, "piep"));
499 p = original = "'foobar' wa\"ld\"i ";
500 assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 2);
501 assert_se(isempty(p));
502 assert_se(streq_ptr(a, "'foobar'"));
503 assert_se(streq_ptr(b, "wa\"ld\"i"));
504 assert_se(streq_ptr(c, NULL));
508 p = original = "'foobar' wa\"ld\"i ";
509 assert_se(extract_many_words(&p, NULL, EXTRACT_QUOTES, &a, &b, &c, NULL) == 2);
510 assert_se(isempty(p));
511 assert_se(streq_ptr(a, "foobar"));
512 assert_se(streq_ptr(b, "waldi"));
513 assert_se(streq_ptr(c, NULL));
518 assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
519 assert_se(isempty(p));
520 assert_se(streq_ptr(a, NULL));
521 assert_se(streq_ptr(b, NULL));
522 assert_se(streq_ptr(c, NULL));
525 assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
526 assert_se(isempty(p));
527 assert_se(streq_ptr(a, NULL));
528 assert_se(streq_ptr(b, NULL));
529 assert_se(streq_ptr(c, NULL));
531 p = original = "foobar";
532 assert_se(extract_many_words(&p, NULL, 0, NULL) == 0);
533 assert_se(p == original);
535 p = original = "foobar waldi";
536 assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
537 assert_se(p == original+7);
538 assert_se(streq_ptr(a, "foobar"));
541 p = original = " foobar ";
542 assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
543 assert_se(isempty(p));
544 assert_se(streq_ptr(a, "foobar"));
549 int main(int argc, char *argv[]) {
550 log_parse_environment();
553 test_extract_first_word();
554 #if 0 /// UNNEEDED by elogind
555 test_extract_first_word_and_warn();
556 test_extract_many_words();