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/>.
25 #include "parse-util.h"
27 static void test_parse_boolean(void) {
28 assert_se(parse_boolean("1") == 1);
29 assert_se(parse_boolean("y") == 1);
30 assert_se(parse_boolean("Y") == 1);
31 assert_se(parse_boolean("yes") == 1);
32 assert_se(parse_boolean("YES") == 1);
33 assert_se(parse_boolean("true") == 1);
34 assert_se(parse_boolean("TRUE") == 1);
35 assert_se(parse_boolean("on") == 1);
36 assert_se(parse_boolean("ON") == 1);
38 assert_se(parse_boolean("0") == 0);
39 assert_se(parse_boolean("n") == 0);
40 assert_se(parse_boolean("N") == 0);
41 assert_se(parse_boolean("no") == 0);
42 assert_se(parse_boolean("NO") == 0);
43 assert_se(parse_boolean("false") == 0);
44 assert_se(parse_boolean("FALSE") == 0);
45 assert_se(parse_boolean("off") == 0);
46 assert_se(parse_boolean("OFF") == 0);
48 assert_se(parse_boolean("garbage") < 0);
49 assert_se(parse_boolean("") < 0);
50 assert_se(parse_boolean("full") < 0);
53 static void test_parse_pid(void) {
57 r = parse_pid("100", &pid);
59 assert_se(pid == 100);
61 r = parse_pid("0x7FFFFFFF", &pid);
63 assert_se(pid == 2147483647);
65 pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
66 r = parse_pid("0", &pid);
67 assert_se(r == -ERANGE);
70 pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
71 r = parse_pid("-100", &pid);
72 assert_se(r == -ERANGE);
75 pid = 65; /* pid is left unchanged on ERANGE. Set to known arbitrary value. */
76 r = parse_pid("0xFFFFFFFFFFFFFFFFF", &pid);
77 assert_se(r == -ERANGE);
80 r = parse_pid("junk", &pid);
81 assert_se(r == -EINVAL);
84 static void test_parse_mode(void) {
87 assert_se(parse_mode("-1", &m) < 0);
88 assert_se(parse_mode("", &m) < 0);
89 assert_se(parse_mode("888", &m) < 0);
90 assert_se(parse_mode("77777", &m) < 0);
92 assert_se(parse_mode("544", &m) >= 0 && m == 0544);
93 assert_se(parse_mode("777", &m) >= 0 && m == 0777);
94 assert_se(parse_mode("7777", &m) >= 0 && m == 07777);
95 assert_se(parse_mode("0", &m) >= 0 && m == 0);
98 static void test_parse_size(void) {
101 assert_se(parse_size("111", 1024, &bytes) == 0);
102 assert_se(bytes == 111);
104 assert_se(parse_size("111.4", 1024, &bytes) == 0);
105 assert_se(bytes == 111);
107 assert_se(parse_size(" 112 B", 1024, &bytes) == 0);
108 assert_se(bytes == 112);
110 assert_se(parse_size(" 112.6 B", 1024, &bytes) == 0);
111 assert_se(bytes == 112);
113 assert_se(parse_size("3.5 K", 1024, &bytes) == 0);
114 assert_se(bytes == 3*1024 + 512);
116 assert_se(parse_size("3. K", 1024, &bytes) == 0);
117 assert_se(bytes == 3*1024);
119 assert_se(parse_size("3.0 K", 1024, &bytes) == 0);
120 assert_se(bytes == 3*1024);
122 assert_se(parse_size("3. 0 K", 1024, &bytes) == -EINVAL);
124 assert_se(parse_size(" 4 M 11.5K", 1024, &bytes) == 0);
125 assert_se(bytes == 4*1024*1024 + 11 * 1024 + 512);
127 assert_se(parse_size("3B3.5G", 1024, &bytes) == -EINVAL);
129 assert_se(parse_size("3.5G3B", 1024, &bytes) == 0);
130 assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 3);
132 assert_se(parse_size("3.5G 4B", 1024, &bytes) == 0);
133 assert_se(bytes == 3ULL*1024*1024*1024 + 512*1024*1024 + 4);
135 assert_se(parse_size("3B3G4T", 1024, &bytes) == -EINVAL);
137 assert_se(parse_size("4T3G3B", 1024, &bytes) == 0);
138 assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
140 assert_se(parse_size(" 4 T 3 G 3 B", 1024, &bytes) == 0);
141 assert_se(bytes == (4ULL*1024 + 3)*1024*1024*1024 + 3);
143 assert_se(parse_size("12P", 1024, &bytes) == 0);
144 assert_se(bytes == 12ULL * 1024*1024*1024*1024*1024);
146 assert_se(parse_size("12P12P", 1024, &bytes) == -EINVAL);
148 assert_se(parse_size("3E 2P", 1024, &bytes) == 0);
149 assert_se(bytes == (3 * 1024 + 2ULL) * 1024*1024*1024*1024*1024);
151 assert_se(parse_size("12X", 1024, &bytes) == -EINVAL);
153 assert_se(parse_size("12.5X", 1024, &bytes) == -EINVAL);
155 assert_se(parse_size("12.5e3", 1024, &bytes) == -EINVAL);
157 assert_se(parse_size("1024E", 1024, &bytes) == -ERANGE);
158 assert_se(parse_size("-1", 1024, &bytes) == -ERANGE);
159 assert_se(parse_size("-1024E", 1024, &bytes) == -ERANGE);
161 assert_se(parse_size("-1024P", 1024, &bytes) == -ERANGE);
163 assert_se(parse_size("-10B 20K", 1024, &bytes) == -ERANGE);
166 #if 0 /// UNNEEDED by elogind
167 static void test_parse_range(void) {
168 unsigned lower, upper;
170 /* Successful cases */
171 assert_se(parse_range("111", &lower, &upper) == 0);
172 assert_se(lower == 111);
173 assert_se(upper == 111);
175 assert_se(parse_range("111-123", &lower, &upper) == 0);
176 assert_se(lower == 111);
177 assert_se(upper == 123);
179 assert_se(parse_range("123-111", &lower, &upper) == 0);
180 assert_se(lower == 123);
181 assert_se(upper == 111);
183 assert_se(parse_range("123-123", &lower, &upper) == 0);
184 assert_se(lower == 123);
185 assert_se(upper == 123);
187 assert_se(parse_range("0", &lower, &upper) == 0);
188 assert_se(lower == 0);
189 assert_se(upper == 0);
191 assert_se(parse_range("0-15", &lower, &upper) == 0);
192 assert_se(lower == 0);
193 assert_se(upper == 15);
195 assert_se(parse_range("15-0", &lower, &upper) == 0);
196 assert_se(lower == 15);
197 assert_se(upper == 0);
199 assert_se(parse_range("128-65535", &lower, &upper) == 0);
200 assert_se(lower == 128);
201 assert_se(upper == 65535);
203 assert_se(parse_range("1024-4294967295", &lower, &upper) == 0);
204 assert_se(lower == 1024);
205 assert_se(upper == 4294967295);
207 /* Leading whitespace is acceptable */
208 assert_se(parse_range(" 111", &lower, &upper) == 0);
209 assert_se(lower == 111);
210 assert_se(upper == 111);
212 assert_se(parse_range(" 111-123", &lower, &upper) == 0);
213 assert_se(lower == 111);
214 assert_se(upper == 123);
216 assert_se(parse_range("111- 123", &lower, &upper) == 0);
217 assert_se(lower == 111);
218 assert_se(upper == 123);
220 assert_se(parse_range("\t111-\t123", &lower, &upper) == 0);
221 assert_se(lower == 111);
222 assert_se(upper == 123);
224 assert_se(parse_range(" \t 111- \t 123", &lower, &upper) == 0);
225 assert_se(lower == 111);
226 assert_se(upper == 123);
228 /* Error cases, make sure they fail as expected */
229 lower = upper = 9999;
230 assert_se(parse_range("111garbage", &lower, &upper) == -EINVAL);
231 assert_se(lower == 9999);
232 assert_se(upper == 9999);
234 assert_se(parse_range("garbage111", &lower, &upper) == -EINVAL);
235 assert_se(lower == 9999);
236 assert_se(upper == 9999);
238 assert_se(parse_range("garbage", &lower, &upper) == -EINVAL);
239 assert_se(lower == 9999);
240 assert_se(upper == 9999);
242 assert_se(parse_range("111-123garbage", &lower, &upper) == -EINVAL);
243 assert_se(lower == 9999);
244 assert_se(upper == 9999);
246 assert_se(parse_range("111garbage-123", &lower, &upper) == -EINVAL);
247 assert_se(lower == 9999);
248 assert_se(upper == 9999);
251 lower = upper = 9999;
252 assert_se(parse_range("", &lower, &upper) == -EINVAL);
253 assert_se(lower == 9999);
254 assert_se(upper == 9999);
256 /* 111--123 will pass -123 to safe_atou which returns -ERANGE for negative */
257 assert_se(parse_range("111--123", &lower, &upper) == -ERANGE);
258 assert_se(lower == 9999);
259 assert_se(upper == 9999);
261 assert_se(parse_range("-111-123", &lower, &upper) == -EINVAL);
262 assert_se(lower == 9999);
263 assert_se(upper == 9999);
265 assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
266 assert_se(lower == 9999);
267 assert_se(upper == 9999);
269 assert_se(parse_range("111.4-123", &lower, &upper) == -EINVAL);
270 assert_se(lower == 9999);
271 assert_se(upper == 9999);
273 assert_se(parse_range("111-123.4", &lower, &upper) == -EINVAL);
274 assert_se(lower == 9999);
275 assert_se(upper == 9999);
277 assert_se(parse_range("111,4-123", &lower, &upper) == -EINVAL);
278 assert_se(lower == 9999);
279 assert_se(upper == 9999);
281 assert_se(parse_range("111-123,4", &lower, &upper) == -EINVAL);
282 assert_se(lower == 9999);
283 assert_se(upper == 9999);
285 /* Error on trailing dash */
286 assert_se(parse_range("111-", &lower, &upper) == -EINVAL);
287 assert_se(lower == 9999);
288 assert_se(upper == 9999);
290 assert_se(parse_range("111-123-", &lower, &upper) == -EINVAL);
291 assert_se(lower == 9999);
292 assert_se(upper == 9999);
294 assert_se(parse_range("111--", &lower, &upper) == -EINVAL);
295 assert_se(lower == 9999);
296 assert_se(upper == 9999);
298 assert_se(parse_range("111- ", &lower, &upper) == -EINVAL);
299 assert_se(lower == 9999);
300 assert_se(upper == 9999);
302 /* Whitespace is not a separator */
303 assert_se(parse_range("111 123", &lower, &upper) == -EINVAL);
304 assert_se(lower == 9999);
305 assert_se(upper == 9999);
307 assert_se(parse_range("111\t123", &lower, &upper) == -EINVAL);
308 assert_se(lower == 9999);
309 assert_se(upper == 9999);
311 assert_se(parse_range("111 \t 123", &lower, &upper) == -EINVAL);
312 assert_se(lower == 9999);
313 assert_se(upper == 9999);
315 /* Trailing whitespace is invalid (from safe_atou) */
316 assert_se(parse_range("111 ", &lower, &upper) == -EINVAL);
317 assert_se(lower == 9999);
318 assert_se(upper == 9999);
320 assert_se(parse_range("111-123 ", &lower, &upper) == -EINVAL);
321 assert_se(lower == 9999);
322 assert_se(upper == 9999);
324 assert_se(parse_range("111 -123", &lower, &upper) == -EINVAL);
325 assert_se(lower == 9999);
326 assert_se(upper == 9999);
328 assert_se(parse_range("111 -123 ", &lower, &upper) == -EINVAL);
329 assert_se(lower == 9999);
330 assert_se(upper == 9999);
332 assert_se(parse_range("111\t-123\t", &lower, &upper) == -EINVAL);
333 assert_se(lower == 9999);
334 assert_se(upper == 9999);
336 assert_se(parse_range("111 \t -123 \t ", &lower, &upper) == -EINVAL);
337 assert_se(lower == 9999);
338 assert_se(upper == 9999);
340 /* Out of the "unsigned" range, this is 1<<64 */
341 assert_se(parse_range("0-18446744073709551616", &lower, &upper) == -ERANGE);
342 assert_se(lower == 9999);
343 assert_se(upper == 9999);
347 static void test_safe_atolli(void) {
351 r = safe_atolli("12345", &l);
353 assert_se(l == 12345);
355 r = safe_atolli(" 12345", &l);
357 assert_se(l == 12345);
359 r = safe_atolli("-12345", &l);
361 assert_se(l == -12345);
363 r = safe_atolli(" -12345", &l);
365 assert_se(l == -12345);
367 r = safe_atolli("12345678901234567890", &l);
368 assert_se(r == -ERANGE);
370 r = safe_atolli("-12345678901234567890", &l);
371 assert_se(r == -ERANGE);
373 r = safe_atolli("junk", &l);
374 assert_se(r == -EINVAL);
377 static void test_safe_atou16(void) {
381 r = safe_atou16("12345", &l);
383 assert_se(l == 12345);
385 r = safe_atou16(" 12345", &l);
387 assert_se(l == 12345);
389 r = safe_atou16("123456", &l);
390 assert_se(r == -ERANGE);
392 r = safe_atou16("-1", &l);
393 assert_se(r == -ERANGE);
395 r = safe_atou16(" -1", &l);
396 assert_se(r == -ERANGE);
398 r = safe_atou16("junk", &l);
399 assert_se(r == -EINVAL);
402 static void test_safe_atoi16(void) {
406 r = safe_atoi16("-12345", &l);
408 assert_se(l == -12345);
410 r = safe_atoi16(" -12345", &l);
412 assert_se(l == -12345);
414 r = safe_atoi16("32767", &l);
416 assert_se(l == 32767);
418 r = safe_atoi16(" 32767", &l);
420 assert_se(l == 32767);
422 r = safe_atoi16("36536", &l);
423 assert_se(r == -ERANGE);
425 r = safe_atoi16("-32769", &l);
426 assert_se(r == -ERANGE);
428 r = safe_atoi16("junk", &l);
429 assert_se(r == -EINVAL);
432 static void test_safe_atod(void) {
437 r = safe_atod("junk", &d);
438 assert_se(r == -EINVAL);
440 r = safe_atod("0.2244", &d);
442 assert_se(fabs(d - 0.2244) < 0.000001);
444 r = safe_atod("0,5", &d);
445 assert_se(r == -EINVAL);
449 assert_se(*e == ',');
451 /* Check if this really is locale independent */
452 if (setlocale(LC_NUMERIC, "de_DE.utf8")) {
454 r = safe_atod("0.2244", &d);
456 assert_se(fabs(d - 0.2244) < 0.000001);
458 r = safe_atod("0,5", &d);
459 assert_se(r == -EINVAL);
462 assert_se(fabs(strtod("0,5", &e) - 0.5) < 0.00001);
465 /* And check again, reset */
466 assert_se(setlocale(LC_NUMERIC, "C"));
468 r = safe_atod("0.2244", &d);
470 assert_se(fabs(d - 0.2244) < 0.000001);
472 r = safe_atod("0,5", &d);
473 assert_se(r == -EINVAL);
477 assert_se(*e == ',');
480 static void test_parse_percent(void) {
481 assert_se(parse_percent("") == -EINVAL);
482 assert_se(parse_percent("foo") == -EINVAL);
483 assert_se(parse_percent("0") == -EINVAL);
484 assert_se(parse_percent("50") == -EINVAL);
485 assert_se(parse_percent("100") == -EINVAL);
486 assert_se(parse_percent("-1") == -EINVAL);
487 assert_se(parse_percent("0%") == 0);
488 assert_se(parse_percent("55%") == 55);
489 assert_se(parse_percent("100%") == 100);
490 assert_se(parse_percent("-7%") == -ERANGE);
491 assert_se(parse_percent("107%") == -ERANGE);
492 assert_se(parse_percent("%") == -EINVAL);
493 assert_se(parse_percent("%%") == -EINVAL);
494 assert_se(parse_percent("%1") == -EINVAL);
495 assert_se(parse_percent("1%%") == -EINVAL);
498 static void test_parse_percent_unbounded(void) {
499 assert_se(parse_percent_unbounded("101%") == 101);
500 assert_se(parse_percent_unbounded("400%") == 400);
503 #if 0 /// UNNEEDED by elogind
504 static void test_parse_nice(void) {
507 assert_se(parse_nice("0", &n) >= 0 && n == 0);
508 assert_se(parse_nice("+0", &n) >= 0 && n == 0);
509 assert_se(parse_nice("-1", &n) >= 0 && n == -1);
510 assert_se(parse_nice("-2", &n) >= 0 && n == -2);
511 assert_se(parse_nice("1", &n) >= 0 && n == 1);
512 assert_se(parse_nice("2", &n) >= 0 && n == 2);
513 assert_se(parse_nice("+1", &n) >= 0 && n == 1);
514 assert_se(parse_nice("+2", &n) >= 0 && n == 2);
515 assert_se(parse_nice("-20", &n) >= 0 && n == -20);
516 assert_se(parse_nice("19", &n) >= 0 && n == 19);
517 assert_se(parse_nice("+19", &n) >= 0 && n == 19);
520 assert_se(parse_nice("", &n) == -EINVAL);
521 assert_se(parse_nice("-", &n) == -EINVAL);
522 assert_se(parse_nice("+", &n) == -EINVAL);
523 assert_se(parse_nice("xx", &n) == -EINVAL);
524 assert_se(parse_nice("-50", &n) == -ERANGE);
525 assert_se(parse_nice("50", &n) == -ERANGE);
526 assert_se(parse_nice("+50", &n) == -ERANGE);
527 assert_se(parse_nice("-21", &n) == -ERANGE);
528 assert_se(parse_nice("20", &n) == -ERANGE);
529 assert_se(parse_nice("+20", &n) == -ERANGE);
533 int main(int argc, char *argv[]) {
534 log_parse_environment();
537 test_parse_boolean();
541 #if 0 /// UNNEEDED by elogind
548 test_parse_percent();
549 test_parse_percent_unbounded();
550 #if 0 /// UNNEEDED by elogind