src/test/test-extract-word.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2010 Lennart Poettering
   6   Copyright 2013 Thomas H.P. Andersen
   7 ***/
   8
   9 #include <errno.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12
  13 #include "extract-word.h"
  14 #include "log.h"
  15 #include "string-util.h"
  16
  17 static void test_extract_first_word(void) {
  18         const char *p, *original;
  19         char *t;
  20
  21         p = original = "foobar waldo";
  22         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
  23         assert_se(streq(t, "foobar"));
  24         free(t);
  25         assert_se(p == original + 7);
  26
  27         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
  28         assert_se(streq(t, "waldo"));
  29         free(t);
  30         assert_se(isempty(p));
  31
  32         assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
  33         assert_se(!t);
  34         assert_se(isempty(p));
  35
  36         p = original = "\"foobar\" \'waldo\'";
  37         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
  38         assert_se(streq(t, "\"foobar\""));
  39         free(t);
  40         assert_se(p == original + 9);
  41
  42         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
  43         assert_se(streq(t, "\'waldo\'"));
  44         free(t);
  45         assert_se(isempty(p));
  46
  47         assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
  48         assert_se(!t);
  49         assert_se(isempty(p));
  50
  51         p = original = "\"foobar\" \'waldo\'";
  52         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
  53         assert_se(streq(t, "foobar"));
  54         free(t);
  55         assert_se(p == original + 9);
  56
  57         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
  58         assert_se(streq(t, "waldo"));
  59         free(t);
  60         assert_se(isempty(p));
  61
  62         assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
  63         assert_se(!t);
  64         assert_se(isempty(p));
  65
  66         p = original = "\"";
  67         assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
  68         assert_se(streq(t, "\""));
  69         free(t);
  70         assert_se(isempty(p));
  71
  72         p = original = "\"";
  73         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
  74         assert_se(p == original + 1);
  75
  76         p = original = "\'";
  77         assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
  78         assert_se(streq(t, "\'"));
  79         free(t);
  80         assert_se(isempty(p));
  81
  82         p = original = "\'";
  83         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
  84         assert_se(p == original + 1);
  85
  86         p = original = "\'fooo";
  87         assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
  88         assert_se(streq(t, "\'fooo"));
  89         free(t);
  90         assert_se(isempty(p));
  91
  92         p = original = "\'fooo";
  93         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
  94         assert_se(p == original + 5);
  95
  96         p = original = "\'fooo";
  97         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
  98         assert_se(streq(t, "fooo"));
  99         free(t);
 100         assert_se(isempty(p));
 101
 102         p = original = "\"fooo";
 103         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
 104         assert_se(streq(t, "fooo"));
 105         free(t);
 106         assert_se(isempty(p));
 107
 108         p = original = "yay\'foo\'bar";
 109         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
 110         assert_se(streq(t, "yay\'foo\'bar"));
 111         free(t);
 112         assert_se(isempty(p));
 113
 114         p = original = "yay\'foo\'bar";
 115         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
 116         assert_se(streq(t, "yayfoobar"));
 117         free(t);
 118         assert_se(isempty(p));
 119
 120         p = original = "   foobar   ";
 121         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
 122         assert_se(streq(t, "foobar"));
 123         free(t);
 124         assert_se(isempty(p));
 125
 126         p = original = " foo\\ba\\x6ar ";
 127         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
 128         assert_se(streq(t, "foo\ba\x6ar"));
 129         free(t);
 130         assert_se(isempty(p));
 131
 132         p = original = " foo\\ba\\x6ar ";
 133         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
 134         assert_se(streq(t, "foobax6ar"));
 135         free(t);
 136         assert_se(isempty(p));
 137
 138         p = original = "    f\\u00f6o \"pi\\U0001F4A9le\"   ";
 139         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
 140         assert_se(streq(t, "föo"));
 141         free(t);
 142         assert_se(p == original + 13);
 143
 144         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE) > 0);
 145         assert_se(streq(t, "pi\360\237\222\251le"));
 146         free(t);
 147         assert_se(isempty(p));
 148
 149         p = original = "fooo\\";
 150         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
 151         assert_se(streq(t, "fooo"));
 152         free(t);
 153         assert_se(isempty(p));
 154
 155         p = original = "fooo\\";
 156         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
 157         assert_se(streq(t, "fooo\\"));
 158         free(t);
 159         assert_se(isempty(p));
 160
 161         p = original = "fooo\\";
 162         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
 163         assert_se(streq(t, "fooo\\"));
 164         free(t);
 165         assert_se(isempty(p));
 166
 167         p = original = "fooo\\";
 168         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
 169         assert_se(streq(t, "fooo\\"));
 170         free(t);
 171         assert_se(isempty(p));
 172
 173         p = original = "\"foo\\";
 174         assert_se(extract_first_word(&p, &t, NULL, 0) == -EINVAL);
 175         assert_se(p == original + 5);
 176
 177         p = original = "\"foo\\";
 178         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
 179         assert_se(streq(t, "foo"));
 180         free(t);
 181         assert_se(isempty(p));
 182
 183         p = original = "foo::bar";
 184         assert_se(extract_first_word(&p, &t, ":", 0) == 1);
 185         assert_se(streq(t, "foo"));
 186         free(t);
 187         assert_se(p == original + 5);
 188
 189         assert_se(extract_first_word(&p, &t, ":", 0) == 1);
 190         assert_se(streq(t, "bar"));
 191         free(t);
 192         assert_se(isempty(p));
 193
 194         assert_se(extract_first_word(&p, &t, ":", 0) == 0);
 195         assert_se(!t);
 196         assert_se(isempty(p));
 197
 198         p = original = "foo\\:bar::waldo";
 199         assert_se(extract_first_word(&p, &t, ":", 0) == 1);
 200         assert_se(streq(t, "foo:bar"));
 201         free(t);
 202         assert_se(p == original + 10);
 203
 204         assert_se(extract_first_word(&p, &t, ":", 0) == 1);
 205         assert_se(streq(t, "waldo"));
 206         free(t);
 207         assert_se(isempty(p));
 208
 209         assert_se(extract_first_word(&p, &t, ":", 0) == 0);
 210         assert_se(!t);
 211         assert_se(isempty(p));
 212
 213         p = original = "\"foo\\";
 214         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX) == -EINVAL);
 215         assert_se(p == original + 5);
 216
 217         p = original = "\"foo\\";
 218         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
 219         assert_se(streq(t, "foo\\"));
 220         free(t);
 221         assert_se(isempty(p));
 222
 223         p = original = "\"foo\\";
 224         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
 225         assert_se(streq(t, "foo\\"));
 226         free(t);
 227         assert_se(isempty(p));
 228
 229         p = original = "fooo\\ bar quux";
 230         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
 231         assert_se(streq(t, "fooo bar"));
 232         free(t);
 233         assert_se(p == original + 10);
 234
 235         p = original = "fooo\\ bar quux";
 236         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
 237         assert_se(streq(t, "fooo bar"));
 238         free(t);
 239         assert_se(p == original + 10);
 240
 241         p = original = "fooo\\ bar quux";
 242         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
 243         assert_se(streq(t, "fooo bar"));
 244         free(t);
 245         assert_se(p == original + 10);
 246
 247         p = original = "fooo\\ bar quux";
 248         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
 249         assert_se(p == original + 5);
 250
 251         p = original = "fooo\\ bar quux";
 252         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
 253         assert_se(streq(t, "fooo\\ bar"));
 254         free(t);
 255         assert_se(p == original + 10);
 256
 257         p = original = "\\w+@\\K[\\d.]+";
 258         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
 259         assert_se(p == original + 1);
 260
 261         p = original = "\\w+@\\K[\\d.]+";
 262         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
 263         assert_se(streq(t, "\\w+@\\K[\\d.]+"));
 264         free(t);
 265         assert_se(isempty(p));
 266
 267         p = original = "\\w+\\b";
 268         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
 269         assert_se(streq(t, "\\w+\b"));
 270         free(t);
 271         assert_se(isempty(p));
 272
 273         p = original = "-N ''";
 274         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
 275         assert_se(streq(t, "-N"));
 276         free(t);
 277         assert_se(p == original + 3);
 278
 279         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
 280         assert_se(streq(t, ""));
 281         free(t);
 282         assert_se(isempty(p));
 283
 284         p = original = ":foo\\:bar::waldo:";
 285         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
 286         assert_se(t);
 287         assert_se(streq(t, ""));
 288         free(t);
 289         assert_se(p == original + 1);
 290
 291         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
 292         assert_se(streq(t, "foo:bar"));
 293         free(t);
 294         assert_se(p == original + 10);
 295
 296         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
 297         assert_se(t);
 298         assert_se(streq(t, ""));
 299         free(t);
 300         assert_se(p == original + 11);
 301
 302         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
 303         assert_se(streq(t, "waldo"));
 304         free(t);
 305         assert_se(p == original + 17);
 306
 307         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
 308         assert_se(streq(t, ""));
 309         free(t);
 310         assert_se(p == NULL);
 311
 312         assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 0);
 313         assert_se(!t);
 314         assert_se(!p);
 315
 316         p = "foo\\xbar";
 317         assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
 318         assert_se(streq(t, "fooxbar"));
 319         free(t);
 320         assert_se(p == NULL);
 321
 322         p = "foo\\xbar";
 323         assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RETAIN_ESCAPE) > 0);
 324         assert_se(streq(t, "foo\\xbar"));
 325         free(t);
 326         assert_se(p == NULL);
 327 }
 328
 329 static void test_extract_first_word_and_warn(void) {
 330         const char *p, *original;
 331         char *t;
 332
 333         p = original = "foobar waldo";
 334         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
 335         assert_se(streq(t, "foobar"));
 336         free(t);
 337         assert_se(p == original + 7);
 338
 339         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
 340         assert_se(streq(t, "waldo"));
 341         free(t);
 342         assert_se(isempty(p));
 343
 344         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
 345         assert_se(!t);
 346         assert_se(isempty(p));
 347
 348         p = original = "\"foobar\" \'waldo\'";
 349         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
 350         assert_se(streq(t, "foobar"));
 351         free(t);
 352         assert_se(p == original + 9);
 353
 354         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
 355         assert_se(streq(t, "waldo"));
 356         free(t);
 357         assert_se(isempty(p));
 358
 359         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
 360         assert_se(!t);
 361         assert_se(isempty(p));
 362
 363         p = original = "\"";
 364         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
 365         assert_se(p == original + 1);
 366
 367         p = original = "\'";
 368         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
 369         assert_se(p == original + 1);
 370
 371         p = original = "\'fooo";
 372         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
 373         assert_se(p == original + 5);
 374
 375         p = original = "\'fooo";
 376         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
 377         assert_se(streq(t, "fooo"));
 378         free(t);
 379         assert_se(isempty(p));
 380
 381         p = original = " foo\\ba\\x6ar ";
 382         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 383         assert_se(streq(t, "foo\ba\x6ar"));
 384         free(t);
 385         assert_se(isempty(p));
 386
 387         p = original = " foo\\ba\\x6ar ";
 388         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
 389         assert_se(streq(t, "foobax6ar"));
 390         free(t);
 391         assert_se(isempty(p));
 392
 393         p = original = "    f\\u00f6o \"pi\\U0001F4A9le\"   ";
 394         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 395         assert_se(streq(t, "föo"));
 396         free(t);
 397         assert_se(p == original + 13);
 398
 399         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 400         assert_se(streq(t, "pi\360\237\222\251le"));
 401         free(t);
 402         assert_se(isempty(p));
 403
 404         p = original = "fooo\\";
 405         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
 406         assert_se(streq(t, "fooo"));
 407         free(t);
 408         assert_se(isempty(p));
 409
 410         p = original = "fooo\\";
 411         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
 412         assert_se(streq(t, "fooo\\"));
 413         free(t);
 414         assert_se(isempty(p));
 415
 416         p = original = "fooo\\";
 417         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 418         assert_se(streq(t, "fooo\\"));
 419         free(t);
 420         assert_se(isempty(p));
 421
 422         p = original = "\"foo\\";
 423         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
 424         assert_se(p == original + 5);
 425
 426         p = original = "\"foo\\";
 427         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
 428         assert_se(streq(t, "foo"));
 429         free(t);
 430         assert_se(isempty(p));
 431
 432         p = original = "\"foo\\";
 433         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) == -EINVAL);
 434         assert_se(p == original + 5);
 435
 436         p = original = "\"foo\\";
 437         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
 438         assert_se(streq(t, "foo"));
 439         free(t);
 440         assert_se(isempty(p));
 441
 442         p = original = "fooo\\ bar quux";
 443         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
 444         assert_se(streq(t, "fooo bar"));
 445         free(t);
 446         assert_se(p == original + 10);
 447
 448         p = original = "fooo\\ bar quux";
 449         assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
 450         assert_se(streq(t, "fooo bar"));
 451         free(t);
 452         assert_se(p == original + 10);
 453
 454         p = original = "fooo\\ bar quux";
 455         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 456         assert_se(streq(t, "fooo\\ bar"));
 457         free(t);
 458         assert_se(p == original + 10);
 459
 460         p = original = "\\w+@\\K[\\d.]+";
 461         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 462         assert_se(streq(t, "\\w+@\\K[\\d.]+"));
 463         free(t);
 464         assert_se(isempty(p));
 465
 466         p = original = "\\w+\\b";
 467         assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
 468         assert_se(streq(t, "\\w+\b"));
 469         free(t);
 470         assert_se(isempty(p));
 471 }
 472
 473 static void test_extract_many_words(void) {
 474         const char *p, *original;
 475         char *a, *b, *c;
 476
 477         p = original = "foobar waldi piep";
 478         assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 3);
 479         assert_se(isempty(p));
 480         assert_se(streq_ptr(a, "foobar"));
 481         assert_se(streq_ptr(b, "waldi"));
 482         assert_se(streq_ptr(c, "piep"));
 483         free(a);
 484         free(b);
 485         free(c);
 486
 487         p = original = "'foobar' wa\"ld\"i   ";
 488         assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 2);
 489         assert_se(isempty(p));
 490         assert_se(streq_ptr(a, "'foobar'"));
 491         assert_se(streq_ptr(b, "wa\"ld\"i"));
 492         assert_se(streq_ptr(c, NULL));
 493         free(a);
 494         free(b);
 495
 496         p = original = "'foobar' wa\"ld\"i   ";
 497         assert_se(extract_many_words(&p, NULL, EXTRACT_QUOTES, &a, &b, &c, NULL) == 2);
 498         assert_se(isempty(p));
 499         assert_se(streq_ptr(a, "foobar"));
 500         assert_se(streq_ptr(b, "waldi"));
 501         assert_se(streq_ptr(c, NULL));
 502         free(a);
 503         free(b);
 504
 505         p = original = "";
 506         assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
 507         assert_se(isempty(p));
 508         assert_se(streq_ptr(a, NULL));
 509         assert_se(streq_ptr(b, NULL));
 510         assert_se(streq_ptr(c, NULL));
 511
 512         p = original = "  ";
 513         assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
 514         assert_se(isempty(p));
 515         assert_se(streq_ptr(a, NULL));
 516         assert_se(streq_ptr(b, NULL));
 517         assert_se(streq_ptr(c, NULL));
 518
 519         p = original = "foobar";
 520         assert_se(extract_many_words(&p, NULL, 0, NULL) == 0);
 521         assert_se(p == original);
 522
 523         p = original = "foobar waldi";
 524         assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
 525         assert_se(p == original+7);
 526         assert_se(streq_ptr(a, "foobar"));
 527         free(a);
 528
 529         p = original = "     foobar    ";
 530         assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
 531         assert_se(isempty(p));
 532         assert_se(streq_ptr(a, "foobar"));
 533         free(a);
 534 }
 535
 536 int main(int argc, char *argv[]) {
 537         log_parse_environment();
 538         log_open();
 539
 540         test_extract_first_word();
 541         test_extract_first_word_and_warn();
 542         test_extract_many_words();
 543
 544         return 0;
 545 }