1 /* Tester for string functions.
2 Copyright (C) 1995-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
23 /* Make sure we don't test the optimized inline functions if we want to
24 test the real implementation. */
25 #if !defined DO_STRING_INLINES
26 #undef __USE_STRING_INLINES
35 #include <libc-internal.h>
38 #define STREQ(a, b) (strcmp((a), (b)) == 0)
40 const char *it = "<UNSET>"; /* Routine name for message routines. */
43 /* Complain if condition is not true. */
45 check (int thing, int number)
49 printf ("%s flunked test %d\n", it, number);
54 /* Complain if first two args don't strcmp as equal. */
56 equal (const char *a, const char *b, int number)
58 check (a != NULL && b != NULL && STREQ (a, b), number);
69 check (strcmp ("", "") == 0, 1); /* Trivial case. */
70 check (strcmp ("a", "a") == 0, 2); /* Identity. */
71 check (strcmp ("abc", "abc") == 0, 3); /* Multicharacter. */
72 check (strcmp ("abc", "abcd") < 0, 4); /* Length mismatches. */
73 check (strcmp ("abcd", "abc") > 0, 5);
74 check (strcmp ("abcd", "abce") < 0, 6); /* Honest miscompares. */
75 check (strcmp ("abce", "abcd") > 0, 7);
76 check (strcmp ("a\203", "a") > 0, 8); /* Tricky if char signed. */
77 check (strcmp ("a\203", "a\003") > 0, 9);
80 char buf1[0x40], buf2[0x40];
82 for (i=0; i < 0x10; i++)
83 for (j = 0; j < 0x10; j++)
86 for (k = 0; k < 0x3f; k++)
88 buf1[k] = '0' ^ (k & 4);
89 buf2[k] = '4' ^ (k & 4);
91 buf1[i] = buf1[0x3f] = 0;
92 buf2[j] = buf2[0x3f] = 0;
93 for (k = 0; k < 0xf; k++)
95 int cnum = 0x10+0x10*k+0x100*j+0x1000*i;
96 check (strcmp (buf1+i,buf2+j) == 0, cnum);
97 buf1[i+k] = 'A' + i + k;
99 check (strcmp (buf1+i,buf2+j) > 0, cnum+1);
100 check (strcmp (buf2+j,buf1+i) < 0, cnum+2);
101 buf2[j+k] = 'B' + i + k;
103 check (strcmp (buf1+i,buf2+j) < 0, cnum+3);
104 check (strcmp (buf2+j,buf1+i) > 0, cnum+4);
105 buf2[j+k] = 'A' + i + k;
106 buf1[i] = 'A' + i + 0x80;
107 check (strcmp (buf1+i,buf2+j) > 0, cnum+5);
108 check (strcmp (buf2+j,buf1+i) < 0, cnum+6);
115 #define SIMPLE_COPY(fn, n, str, ntest) \
119 for (__n = 0; __n < (int) sizeof (one); ++__n) \
122 for (cp = one, __n = 0; __n < n; ++__n, ++cp) \
123 check (*cp == '0' + (n % 10), ntest); \
124 check (*cp == '\0', ntest); \
132 check (strcpy (one, "abcd") == one, 1); /* Returned value. */
133 equal (one, "abcd", 2); /* Basic test. */
135 (void) strcpy (one, "x");
136 equal (one, "x", 3); /* Writeover. */
137 equal (one+2, "cd", 4); /* Wrote too much? */
139 (void) strcpy (two, "hi there");
140 (void) strcpy (one, two);
141 equal (one, "hi there", 5); /* Basic test encore. */
142 equal (two, "hi there", 6); /* Stomped on source? */
144 (void) strcpy (one, "");
145 equal (one, "", 7); /* Boundary condition. */
147 for (i = 0; i < 16; i++)
149 (void) strcpy (one + i, "hi there"); /* Unaligned destination. */
150 equal (one + i, "hi there", 8 + (i * 2));
151 (void) strcpy (two, one + i); /* Unaligned source. */
152 equal (two, "hi there", 9 + (i * 2));
155 SIMPLE_COPY(strcpy, 0, "", 41);
156 SIMPLE_COPY(strcpy, 1, "1", 42);
157 SIMPLE_COPY(strcpy, 2, "22", 43);
158 SIMPLE_COPY(strcpy, 3, "333", 44);
159 SIMPLE_COPY(strcpy, 4, "4444", 45);
160 SIMPLE_COPY(strcpy, 5, "55555", 46);
161 SIMPLE_COPY(strcpy, 6, "666666", 47);
162 SIMPLE_COPY(strcpy, 7, "7777777", 48);
163 SIMPLE_COPY(strcpy, 8, "88888888", 49);
164 SIMPLE_COPY(strcpy, 9, "999999999", 50);
165 SIMPLE_COPY(strcpy, 10, "0000000000", 51);
166 SIMPLE_COPY(strcpy, 11, "11111111111", 52);
167 SIMPLE_COPY(strcpy, 12, "222222222222", 53);
168 SIMPLE_COPY(strcpy, 13, "3333333333333", 54);
169 SIMPLE_COPY(strcpy, 14, "44444444444444", 55);
170 SIMPLE_COPY(strcpy, 15, "555555555555555", 56);
171 SIMPLE_COPY(strcpy, 16, "6666666666666666", 57);
173 /* Simple test using implicitly coerced `void *' arguments. */
174 const void *src = "frobozz";
176 check (strcpy (dst, src) == dst, 1);
177 equal (dst, "frobozz", 2);
184 check ((stpcpy (one, "a") - one) == 1, 1);
187 check ((stpcpy (one, "ab") - one) == 2, 3);
188 equal (one, "ab", 4);
190 check ((stpcpy (one, "abc") - one) == 3, 5);
191 equal (one, "abc", 6);
193 check ((stpcpy (one, "abcd") - one) == 4, 7);
194 equal (one, "abcd", 8);
196 check ((stpcpy (one, "abcde") - one) == 5, 9);
197 equal (one, "abcde", 10);
199 check ((stpcpy (one, "abcdef") - one) == 6, 11);
200 equal (one, "abcdef", 12);
202 check ((stpcpy (one, "abcdefg") - one) == 7, 13);
203 equal (one, "abcdefg", 14);
205 check ((stpcpy (one, "abcdefgh") - one) == 8, 15);
206 equal (one, "abcdefgh", 16);
208 check ((stpcpy (one, "abcdefghi") - one) == 9, 17);
209 equal (one, "abcdefghi", 18);
211 check ((stpcpy (one, "x") - one) == 1, 19);
212 equal (one, "x", 20); /* Writeover. */
213 equal (one+2, "cdefghi", 21); /* Wrote too much? */
215 check ((stpcpy (one, "xx") - one) == 2, 22);
216 equal (one, "xx", 23); /* Writeover. */
217 equal (one+3, "defghi", 24); /* Wrote too much? */
219 check ((stpcpy (one, "xxx") - one) == 3, 25);
220 equal (one, "xxx", 26); /* Writeover. */
221 equal (one+4, "efghi", 27); /* Wrote too much? */
223 check ((stpcpy (one, "xxxx") - one) == 4, 28);
224 equal (one, "xxxx", 29); /* Writeover. */
225 equal (one+5, "fghi", 30); /* Wrote too much? */
227 check ((stpcpy (one, "xxxxx") - one) == 5, 31);
228 equal (one, "xxxxx", 32); /* Writeover. */
229 equal (one+6, "ghi", 33); /* Wrote too much? */
231 check ((stpcpy (one, "xxxxxx") - one) == 6, 34);
232 equal (one, "xxxxxx", 35); /* Writeover. */
233 equal (one+7, "hi", 36); /* Wrote too much? */
235 check ((stpcpy (one, "xxxxxxx") - one) == 7, 37);
236 equal (one, "xxxxxxx", 38); /* Writeover. */
237 equal (one+8, "i", 39); /* Wrote too much? */
239 check ((stpcpy (stpcpy (stpcpy (one, "a"), "b"), "c") - one) == 3, 40);
240 equal (one, "abc", 41);
241 equal (one + 4, "xxx", 42);
243 SIMPLE_COPY(stpcpy, 0, "", 43);
244 SIMPLE_COPY(stpcpy, 1, "1", 44);
245 SIMPLE_COPY(stpcpy, 2, "22", 45);
246 SIMPLE_COPY(stpcpy, 3, "333", 46);
247 SIMPLE_COPY(stpcpy, 4, "4444", 47);
248 SIMPLE_COPY(stpcpy, 5, "55555", 48);
249 SIMPLE_COPY(stpcpy, 6, "666666", 49);
250 SIMPLE_COPY(stpcpy, 7, "7777777", 50);
251 SIMPLE_COPY(stpcpy, 8, "88888888", 51);
252 SIMPLE_COPY(stpcpy, 9, "999999999", 52);
253 SIMPLE_COPY(stpcpy, 10, "0000000000", 53);
254 SIMPLE_COPY(stpcpy, 11, "11111111111", 54);
255 SIMPLE_COPY(stpcpy, 12, "222222222222", 55);
256 SIMPLE_COPY(stpcpy, 13, "3333333333333", 56);
257 SIMPLE_COPY(stpcpy, 14, "44444444444444", 57);
258 SIMPLE_COPY(stpcpy, 15, "555555555555555", 58);
259 SIMPLE_COPY(stpcpy, 16, "6666666666666666", 59);
266 memset (one, 'x', sizeof (one));
267 check (stpncpy (one, "abc", 2) == one + 2, 1);
268 check (stpncpy (one, "abc", 3) == one + 3, 2);
269 check (stpncpy (one, "abc", 4) == one + 3, 3);
270 check (one[3] == '\0' && one[4] == 'x', 4);
271 check (stpncpy (one, "abcd", 5) == one + 4, 5);
272 check (one[4] == '\0' && one[5] == 'x', 6);
273 check (stpncpy (one, "abcd", 6) == one + 4, 7);
274 check (one[4] == '\0' && one[5] == '\0' && one[6] == 'x', 8);
281 (void) strcpy (one, "ijk");
282 check (strcat (one, "lmn") == one, 1); /* Returned value. */
283 equal (one, "ijklmn", 2); /* Basic test. */
285 (void) strcpy (one, "x");
286 (void) strcat (one, "yz");
287 equal (one, "xyz", 3); /* Writeover. */
288 equal (one+4, "mn", 4); /* Wrote too much? */
290 (void) strcpy (one, "gh");
291 (void) strcpy (two, "ef");
292 (void) strcat (one, two);
293 equal (one, "ghef", 5); /* Basic test encore. */
294 equal (two, "ef", 6); /* Stomped on source? */
296 (void) strcpy (one, "");
297 (void) strcat (one, "");
298 equal (one, "", 7); /* Boundary conditions. */
299 (void) strcpy (one, "ab");
300 (void) strcat (one, "");
301 equal (one, "ab", 8);
302 (void) strcpy (one, "");
303 (void) strcat (one, "cd");
304 equal (one, "cd", 9);
307 char buf1[80] __attribute__ ((aligned (16)));
308 char buf2[32] __attribute__ ((aligned (16)));
309 for (size_t n1 = 0; n1 < 16; ++n1)
310 for (size_t n2 = 0; n2 < 16; ++n2)
311 for (size_t n3 = 0; n3 < 32; ++n3)
313 size_t olderrors = errors;
315 memset (buf1, 'b', sizeof (buf1));
317 memset (buf1 + n2, 'a', n3);
318 buf1[n2 + n3] = '\0';
319 strcpy (buf2 + n1, "123");
321 check (strcat (buf1 + n2, buf2 + n1) == buf1 + n2, ntest);
322 if (errors == olderrors)
323 for (size_t i = 0; i < sizeof (buf1); ++i)
326 check (buf1[i] == 'b', ntest);
327 else if (i < n2 + n3)
328 check (buf1[i] == 'a', ntest);
329 else if (i < n2 + n3 + 3)
330 check (buf1[i] == "123"[i - (n2 + n3)], ntest);
331 else if (i == n2 + n3 + 3)
332 check (buf1[i] == '\0', ntest);
334 check (buf1[i] == 'b', ntest);
336 if (errors != olderrors)
338 printf ("n1=%zu, n2=%zu, n3=%zu, buf1=%02hhx",
339 n1, n2, n3, buf1[0]);
340 for (size_t j = 1; j < sizeof (buf1); ++j)
341 printf (",%02hhx", buf1[j]);
342 putchar_unlocked ('\n');
352 /* First test it as strcat, with big counts, then test the count
355 (void) strcpy (one, "ijk");
356 check (strncat (one, "lmn", 99) == one, 1); /* Returned value. */
357 equal (one, "ijklmn", 2); /* Basic test. */
359 (void) strcpy (one, "x");
360 (void) strncat (one, "yz", 99);
361 equal (one, "xyz", 3); /* Writeover. */
362 equal (one+4, "mn", 4); /* Wrote too much? */
364 (void) strcpy (one, "gh");
365 (void) strcpy (two, "ef");
366 (void) strncat (one, two, 99);
367 equal (one, "ghef", 5); /* Basic test encore. */
368 equal (two, "ef", 6); /* Stomped on source? */
370 (void) strcpy (one, "");
371 (void) strncat (one, "", 99);
372 equal (one, "", 7); /* Boundary conditions. */
373 (void) strcpy (one, "ab");
374 (void) strncat (one, "", 99);
375 equal (one, "ab", 8);
376 (void) strcpy (one, "");
377 (void) strncat (one, "cd", 99);
378 equal (one, "cd", 9);
380 (void) strcpy (one, "ab");
381 (void) strncat (one, "cdef", 2);
382 equal (one, "abcd", 10); /* Count-limited. */
384 (void) strncat (one, "gh", 0);
385 equal (one, "abcd", 11); /* Zero count. */
387 (void) strncat (one, "gh", 2);
388 equal (one, "abcdgh", 12); /* Count and length equal. */
390 (void) strncat (one, "ij", (size_t)-1); /* set sign bit in count */
391 equal (one, "abcdghij", 13);
394 char buf1[80] __attribute__ ((aligned (16)));
395 char buf2[32] __attribute__ ((aligned (16)));
396 for (size_t n1 = 0; n1 < 16; ++n1)
397 for (size_t n2 = 0; n2 < 16; ++n2)
398 for (size_t n3 = 0; n3 < 32; ++n3)
399 for (size_t n4 = 0; n4 < 16; ++n4)
401 size_t olderrors = errors;
403 memset (buf1, 'b', sizeof (buf1));
405 memset (buf1 + n2, 'a', n3);
406 buf1[n2 + n3] = '\0';
407 strcpy (buf2 + n1, "123");
409 check (strncat (buf1 + n2, buf2 + n1, ~((size_t) 0) - n4)
410 == buf1 + n2, ntest);
411 if (errors == olderrors)
412 for (size_t i = 0; i < sizeof (buf1); ++i)
415 check (buf1[i] == 'b', ntest);
416 else if (i < n2 + n3)
417 check (buf1[i] == 'a', ntest);
418 else if (i < n2 + n3 + 3)
419 check (buf1[i] == "123"[i - (n2 + n3)], ntest);
420 else if (i == n2 + n3 + 3)
421 check (buf1[i] == '\0', ntest);
423 check (buf1[i] == 'b', ntest);
425 if (errors != olderrors)
427 printf ("n1=%zu, n2=%zu, n3=%zu, n4=%zu, buf1=%02hhx",
428 n1, n2, n3, n4, buf1[0]);
429 for (size_t j = 1; j < sizeof (buf1); ++j)
430 printf (",%02hhx", buf1[j]);
431 putchar_unlocked ('\n');
441 /* First test as strcmp with big counts, then test count code. */
443 check (strncmp ("", "", 99) == 0, 1); /* Trivial case. */
444 check (strncmp ("a", "a", 99) == 0, 2); /* Identity. */
445 check (strncmp ("abc", "abc", 99) == 0, 3); /* Multicharacter. */
446 check (strncmp ("abc", "abcd", 99) < 0, 4); /* Length unequal. */
447 check (strncmp ("abcd", "abc", 99) > 0, 5);
448 check (strncmp ("abcd", "abce", 99) < 0, 6); /* Honestly unequal. */
449 check (strncmp ("abce", "abcd", 99) > 0, 7);
450 check (strncmp ("a\203", "a", 2) > 0, 8); /* Tricky if '\203' < 0 */
451 check (strncmp ("a\203", "a\003", 2) > 0, 9);
452 check (strncmp ("abce", "abcd", 3) == 0, 10); /* Count limited. */
453 check (strncmp ("abce", "abc", 3) == 0, 11); /* Count == length. */
454 check (strncmp ("abcd", "abce", 4) < 0, 12); /* Nudging limit. */
455 check (strncmp ("abc", "def", 0) == 0, 13); /* Zero count. */
456 check (strncmp ("abc", "", (size_t)-1) > 0, 14); /* set sign bit in count */
457 check (strncmp ("abc", "abc", (size_t)-2) == 0, 15);
463 /* Testing is a bit different because of odd semantics. */
465 check (strncpy (one, "abc", 4) == one, 1); /* Returned value. */
466 equal (one, "abc", 2); /* Did the copy go right? */
468 (void) strcpy (one, "abcdefgh");
469 (void) strncpy (one, "xyz", 2);
470 equal (one, "xycdefgh", 3); /* Copy cut by count. */
472 (void) strcpy (one, "abcdefgh");
473 (void) strncpy (one, "xyz", 3); /* Copy cut just before NUL. */
474 equal (one, "xyzdefgh", 4);
476 (void) strcpy (one, "abcdefgh");
477 (void) strncpy (one, "xyz", 4); /* Copy just includes NUL. */
478 equal (one, "xyz", 5);
479 equal (one+4, "efgh", 6); /* Wrote too much? */
481 (void) strcpy (one, "abcdefgh");
482 (void) strncpy (one, "xyz", 5); /* Copy includes padding. */
483 equal (one, "xyz", 7);
484 equal (one+4, "", 8);
485 equal (one+5, "fgh", 9);
487 (void) strcpy (one, "abc");
488 (void) strncpy (one, "xyz", 0); /* Zero-length copy. */
489 equal (one, "abc", 10);
491 (void) strncpy (one, "", 2); /* Zero-length source. */
493 equal (one+1, "", 12);
494 equal (one+2, "c", 13);
496 (void) strcpy (one, "hi there");
497 (void) strncpy (two, one, 9);
498 equal (two, "hi there", 14); /* Just paranoia. */
499 equal (one, "hi there", 15); /* Stomped on source? */
506 check (strlen ("") == 0, 1); /* Empty. */
507 check (strlen ("a") == 1, 2); /* Single char. */
508 check (strlen ("abcd") == 4, 3); /* Multiple chars. */
513 for (i=0; i < 0x100; i++)
515 p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i;
517 strcpy (p+3, "BAD/WRONG");
518 check (strlen (p) == 2, 4+i);
527 check (strnlen ("", 10) == 0, 1); /* Empty. */
528 check (strnlen ("a", 10) == 1, 2); /* Single char. */
529 check (strnlen ("abcd", 10) == 4, 3); /* Multiple chars. */
530 check (strnlen ("foo", (size_t) -1) == 3, 4); /* limits of n. */
531 check (strnlen ("abcd", 0) == 0, 5); /* Restricted. */
532 check (strnlen ("abcd", 1) == 1, 6); /* Restricted. */
533 check (strnlen ("abcd", 2) == 2, 7); /* Restricted. */
534 check (strnlen ("abcd", 3) == 3, 8); /* Restricted. */
535 check (strnlen ("abcd", 4) == 4, 9); /* Restricted. */
538 for (int i = 0; i < 0x100; ++i)
540 char *p = (char *) ((unsigned long int)(buf + 0xff) & ~0xff) + i;
542 strcpy (p + 3, "BAD/WRONG");
543 check (strnlen (p, 100) == 2, 10 + i);
551 check (strchr ("abcd", 'z') == NULL, 1); /* Not found. */
552 (void) strcpy (one, "abcd");
553 check (strchr (one, 'c') == one+2, 2); /* Basic test. */
554 check (strchr (one, 'd') == one+3, 3); /* End of string. */
555 check (strchr (one, 'a') == one, 4); /* Beginning. */
556 check (strchr (one, '\0') == one+4, 5); /* Finding NUL. */
557 (void) strcpy (one, "ababa");
558 check (strchr (one, 'b') == one+1, 6); /* Finding first. */
559 (void) strcpy (one, "");
560 check (strchr (one, 'b') == NULL, 7); /* Empty string. */
561 check (strchr (one, '\0') == one, 8); /* NUL in empty string. */
566 for (i=0; i < 0x100; i++)
568 p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
570 strcpy (p+3, "BAD/WRONG");
571 check (strchr (p, '/') == NULL, 9+i);
577 test_strchrnul (void)
581 cp = strchrnul ((os = "abcd"), 'z');
582 check (*cp == '\0', 1); /* Not found. */
583 check (cp == os + 4, 2);
584 (void) strcpy (one, "abcd");
585 check (strchrnul (one, 'c') == one+2, 3); /* Basic test. */
586 check (strchrnul (one, 'd') == one+3, 4); /* End of string. */
587 check (strchrnul (one, 'a') == one, 5); /* Beginning. */
588 check (strchrnul (one, '\0') == one+4, 6); /* Finding NUL. */
589 (void) strcpy (one, "ababa");
590 check (strchrnul (one, 'b') == one+1, 7); /* Finding first. */
591 (void) strcpy (one, "");
592 check (strchrnul (one, 'b') == one, 8); /* Empty string. */
593 check (strchrnul (one, '\0') == one, 9); /* NUL in empty string. */
598 for (i=0; i < 0x100; i++)
600 p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
602 strcpy (p+3, "BAD/WRONG");
603 cp = strchrnul (p, '/');
604 check (*cp == '\0', 9+2*i);
605 check (cp == p+2, 10+2*i);
611 test_rawmemchr (void)
614 (void) strcpy (one, "abcd");
615 check (rawmemchr (one, 'c') == one+2, 1); /* Basic test. */
616 check (rawmemchr (one, 'd') == one+3, 2); /* End of string. */
617 check (rawmemchr (one, 'a') == one, 3); /* Beginning. */
618 check (rawmemchr (one, '\0') == one+4, 4); /* Finding NUL. */
619 (void) strcpy (one, "ababa");
620 check (rawmemchr (one, 'b') == one+1, 5); /* Finding first. */
621 (void) strcpy (one, "");
622 check (rawmemchr (one, '\0') == one, 6); /* NUL in empty string. */
627 for (i=0; i < 0x100; i++)
629 p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
631 strcpy (p+3, "BAD/WRONG");
632 check (rawmemchr (p, 'R') == p+8, 6+i);
641 check (index ("abcd", 'z') == NULL, 1); /* Not found. */
642 (void) strcpy (one, "abcd");
643 check (index (one, 'c') == one+2, 2); /* Basic test. */
644 check (index (one, 'd') == one+3, 3); /* End of string. */
645 check (index (one, 'a') == one, 4); /* Beginning. */
646 check (index (one, '\0') == one+4, 5); /* Finding NUL. */
647 (void) strcpy (one, "ababa");
648 check (index (one, 'b') == one+1, 6); /* Finding first. */
649 (void) strcpy (one, "");
650 check (index (one, 'b') == NULL, 7); /* Empty string. */
651 check (index (one, '\0') == one, 8); /* NUL in empty string. */
658 check (strrchr ("abcd", 'z') == NULL, 1); /* Not found. */
659 (void) strcpy (one, "abcd");
660 check (strrchr (one, 'c') == one+2, 2); /* Basic test. */
661 check (strrchr (one, 'd') == one+3, 3); /* End of string. */
662 check (strrchr (one, 'a') == one, 4); /* Beginning. */
663 check (strrchr (one, '\0') == one+4, 5); /* Finding NUL. */
664 (void) strcpy (one, "ababa");
665 check (strrchr (one, 'b') == one+3, 6); /* Finding last. */
666 (void) strcpy (one, "");
667 check (strrchr (one, 'b') == NULL, 7); /* Empty string. */
668 check (strrchr (one, '\0') == one, 8); /* NUL in empty string. */
673 for (i=0; i < 0x100; i++)
675 p = (char *) ((unsigned long int) (buf + 0xff) & ~0xff) + i;
677 strcpy (p+3, "BAD/WRONG");
678 check (strrchr (p, '/') == NULL, 9+i);
688 check (memrchr ("abcd", 'z', 5) == NULL, 1); /* Not found. */
689 (void) strcpy (one, "abcd");
690 l = strlen (one) + 1;
691 check (memrchr (one, 'c', l) == one+2, 2); /* Basic test. */
692 check (memrchr (one, 'd', l) == one+3, 3); /* End of string. */
693 check (memrchr (one, 'a', l) == one, 4); /* Beginning. */
694 check (memrchr (one, '\0', l) == one+4, 5); /* Finding NUL. */
695 (void) strcpy (one, "ababa");
696 l = strlen (one) + 1;
697 check (memrchr (one, 'b', l) == one+3, 6); /* Finding last. */
698 (void) strcpy (one, "");
699 l = strlen (one) + 1;
700 check (memrchr (one, 'b', l) == NULL, 7); /* Empty string. */
701 check (memrchr (one, '\0', l) == one, 8); /* NUL in empty string. */
703 /* now test all possible alignment and length combinations to catch
704 bugs due to unrolled loops (assuming unrolling is limited to no
705 more than 128 byte chunks: */
707 char buf[128 + sizeof(long)];
708 long align, len, i, pos, n = 9;
710 for (align = 0; align < (long) sizeof(long); ++align) {
711 for (len = 0; len < (long) (sizeof(buf) - align); ++len) {
712 for (i = 0; i < len; ++i)
713 buf[align + i] = 'x'; /* don't depend on memset... */
715 for (pos = len - 1; pos >= 0; --pos) {
717 printf("align %d, len %d, pos %d\n", align, len, pos);
719 check(memrchr(buf + align, 'x', len) == buf + align + pos, n++);
720 check(memrchr(buf + align + pos + 1, 'x', len - (pos + 1)) == NULL,
722 buf[align + pos] = '-';
733 check (rindex ("abcd", 'z') == NULL, 1); /* Not found. */
734 (void) strcpy (one, "abcd");
735 check (rindex (one, 'c') == one+2, 2); /* Basic test. */
736 check (rindex (one, 'd') == one+3, 3); /* End of string. */
737 check (rindex (one, 'a') == one, 4); /* Beginning. */
738 check (rindex (one, '\0') == one+4, 5); /* Finding NUL. */
739 (void) strcpy (one, "ababa");
740 check (rindex (one, 'b') == one+3, 6); /* Finding last. */
741 (void) strcpy (one, "");
742 check (rindex (one, 'b') == NULL, 7); /* Empty string. */
743 check (rindex (one, '\0') == one, 8); /* NUL in empty string. */
750 check(strpbrk("abcd", "z") == NULL, 1); /* Not found. */
751 (void) strcpy(one, "abcd");
752 check(strpbrk(one, "c") == one+2, 2); /* Basic test. */
753 check(strpbrk(one, "d") == one+3, 3); /* End of string. */
754 check(strpbrk(one, "a") == one, 4); /* Beginning. */
755 check(strpbrk(one, "") == NULL, 5); /* Empty search list. */
756 check(strpbrk(one, "cb") == one+1, 6); /* Multiple search. */
757 (void) strcpy(one, "abcabdea");
758 check(strpbrk(one, "b") == one+1, 7); /* Finding first. */
759 check(strpbrk(one, "cb") == one+1, 8); /* With multiple search. */
760 check(strpbrk(one, "db") == one+1, 9); /* Another variant. */
761 (void) strcpy(one, "");
762 check(strpbrk(one, "bc") == NULL, 10); /* Empty string. */
763 (void) strcpy(one, "");
764 check(strpbrk(one, "bcd") == NULL, 11); /* Empty string. */
765 (void) strcpy(one, "");
766 check(strpbrk(one, "bcde") == NULL, 12); /* Empty string. */
767 check(strpbrk(one, "") == NULL, 13); /* Both strings empty. */
768 (void) strcpy(one, "abcabdea");
769 check(strpbrk(one, "befg") == one+1, 14); /* Finding first. */
770 check(strpbrk(one, "cbr") == one+1, 15); /* With multiple search. */
771 check(strpbrk(one, "db") == one+1, 16); /* Another variant. */
772 check(strpbrk(one, "efgh") == one+6, 17); /* And yet another. */
779 check(strstr("abcd", "z") == NULL, 1); /* Not found. */
780 check(strstr("abcd", "abx") == NULL, 2); /* Dead end. */
781 (void) strcpy(one, "abcd");
782 check(strstr(one, "c") == one+2, 3); /* Basic test. */
783 check(strstr(one, "bc") == one+1, 4); /* Multichar. */
784 check(strstr(one, "d") == one+3, 5); /* End of string. */
785 check(strstr(one, "cd") == one+2, 6); /* Tail of string. */
786 check(strstr(one, "abc") == one, 7); /* Beginning. */
787 check(strstr(one, "abcd") == one, 8); /* Exact match. */
788 check(strstr(one, "abcde") == NULL, 9); /* Too long. */
789 check(strstr(one, "de") == NULL, 10); /* Past end. */
790 check(strstr(one, "") == one, 11); /* Finding empty. */
791 (void) strcpy(one, "ababa");
792 check(strstr(one, "ba") == one+1, 12); /* Finding first. */
793 (void) strcpy(one, "");
794 check(strstr(one, "b") == NULL, 13); /* Empty string. */
795 check(strstr(one, "") == one, 14); /* Empty in empty string. */
796 (void) strcpy(one, "bcbca");
797 check(strstr(one, "bca") == one+2, 15); /* False start. */
798 (void) strcpy(one, "bbbcabbca");
799 check(strstr(one, "bbca") == one+1, 16); /* With overlap. */
806 check(strspn("abcba", "abc") == 5, 1); /* Whole string. */
807 check(strspn("abcba", "ab") == 2, 2); /* Partial. */
808 check(strspn("abc", "qx") == 0, 3); /* None. */
809 check(strspn("", "ab") == 0, 4); /* Null string. */
810 check(strspn("abc", "") == 0, 5); /* Null search list. */
817 check(strcspn("abcba", "qx") == 5, 1); /* Whole string. */
818 check(strcspn("abcba", "cx") == 2, 2); /* Partial. */
819 check(strcspn("abc", "abc") == 0, 3); /* None. */
820 check(strcspn("", "ab") == 0, 4); /* Null string. */
821 check(strcspn("abc", "") == 3, 5); /* Null search list. */
828 (void) strcpy(one, "first, second, third");
829 equal(strtok(one, ", "), "first", 1); /* Basic test. */
830 equal(one, "first", 2);
831 equal(strtok((char *)NULL, ", "), "second", 3);
832 equal(strtok((char *)NULL, ", "), "third", 4);
833 check(strtok((char *)NULL, ", ") == NULL, 5);
834 (void) strcpy(one, ", first, ");
835 equal(strtok(one, ", "), "first", 6); /* Extra delims, 1 tok. */
836 check(strtok((char *)NULL, ", ") == NULL, 7);
837 (void) strcpy(one, "1a, 1b; 2a, 2b");
838 equal(strtok(one, ", "), "1a", 8); /* Changing delim lists. */
839 equal(strtok((char *)NULL, "; "), "1b", 9);
840 equal(strtok((char *)NULL, ", "), "2a", 10);
841 (void) strcpy(two, "x-y");
842 equal(strtok(two, "-"), "x", 11); /* New string before done. */
843 equal(strtok((char *)NULL, "-"), "y", 12);
844 check(strtok((char *)NULL, "-") == NULL, 13);
845 (void) strcpy(one, "a,b, c,, ,d");
846 equal(strtok(one, ", "), "a", 14); /* Different separators. */
847 equal(strtok((char *)NULL, ", "), "b", 15);
848 equal(strtok((char *)NULL, " ,"), "c", 16); /* Permute list too. */
849 equal(strtok((char *)NULL, " ,"), "d", 17);
850 check(strtok((char *)NULL, ", ") == NULL, 18);
851 check(strtok((char *)NULL, ", ") == NULL, 19); /* Persistence. */
852 (void) strcpy(one, ", ");
853 check(strtok(one, ", ") == NULL, 20); /* No tokens. */
854 (void) strcpy(one, "");
855 check(strtok(one, ", ") == NULL, 21); /* Empty string. */
856 (void) strcpy(one, "abc");
857 equal(strtok(one, ", "), "abc", 22); /* No delimiters. */
858 check(strtok((char *)NULL, ", ") == NULL, 23);
859 (void) strcpy(one, "abc");
860 equal(strtok(one, ""), "abc", 24); /* Empty delimiter list. */
861 check(strtok((char *)NULL, "") == NULL, 25);
862 (void) strcpy(one, "abcdefgh");
863 (void) strcpy(one, "a,b,c");
864 equal(strtok(one, ","), "a", 26); /* Basics again... */
865 equal(strtok((char *)NULL, ","), "b", 27);
866 equal(strtok((char *)NULL, ","), "c", 28);
867 check(strtok((char *)NULL, ",") == NULL, 29);
868 equal(one+6, "gh", 30); /* Stomped past end? */
869 equal(one, "a", 31); /* Stomped old tokens? */
870 equal(one+2, "b", 32);
871 equal(one+4, "c", 33);
878 (void) strcpy(one, "first, second, third");
879 cp = NULL; /* Always initialize cp to make sure it doesn't point to some old data. */
880 equal(strtok_r(one, ", ", &cp), "first", 1); /* Basic test. */
881 equal(one, "first", 2);
882 equal(strtok_r((char *)NULL, ", ", &cp), "second", 3);
883 equal(strtok_r((char *)NULL, ", ", &cp), "third", 4);
884 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 5);
885 (void) strcpy(one, ", first, ");
887 equal(strtok_r(one, ", ", &cp), "first", 6); /* Extra delims, 1 tok. */
888 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 7);
889 (void) strcpy(one, "1a, 1b; 2a, 2b");
891 equal(strtok_r(one, ", ", &cp), "1a", 8); /* Changing delim lists. */
892 equal(strtok_r((char *)NULL, "; ", &cp), "1b", 9);
893 equal(strtok_r((char *)NULL, ", ", &cp), "2a", 10);
894 (void) strcpy(two, "x-y");
896 equal(strtok_r(two, "-", &cp), "x", 11); /* New string before done. */
897 equal(strtok_r((char *)NULL, "-", &cp), "y", 12);
898 check(strtok_r((char *)NULL, "-", &cp) == NULL, 13);
899 (void) strcpy(one, "a,b, c,, ,d");
901 equal(strtok_r(one, ", ", &cp), "a", 14); /* Different separators. */
902 equal(strtok_r((char *)NULL, ", ", &cp), "b", 15);
903 equal(strtok_r((char *)NULL, " ,", &cp), "c", 16); /* Permute list too. */
904 equal(strtok_r((char *)NULL, " ,", &cp), "d", 17);
905 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 18);
906 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 19); /* Persistence. */
907 (void) strcpy(one, ", ");
909 check(strtok_r(one, ", ", &cp) == NULL, 20); /* No tokens. */
910 (void) strcpy(one, "");
912 check(strtok_r(one, ", ", &cp) == NULL, 21); /* Empty string. */
913 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 22); /* Persistence. */
914 (void) strcpy(one, "abc");
916 equal(strtok_r(one, ", ", &cp), "abc", 23); /* No delimiters. */
917 check(strtok_r((char *)NULL, ", ", &cp) == NULL, 24);
918 (void) strcpy(one, "abc");
920 equal(strtok_r(one, "", &cp), "abc", 25); /* Empty delimiter list. */
921 check(strtok_r((char *)NULL, "", &cp) == NULL, 26);
922 (void) strcpy(one, "abcdefgh");
923 (void) strcpy(one, "a,b,c");
925 equal(strtok_r(one, ",", &cp), "a", 27); /* Basics again... */
926 equal(strtok_r((char *)NULL, ",", &cp), "b", 28);
927 equal(strtok_r((char *)NULL, ",", &cp), "c", 29);
928 check(strtok_r((char *)NULL, ",", &cp) == NULL, 30);
929 equal(one+6, "gh", 31); /* Stomped past end? */
930 equal(one, "a", 32); /* Stomped old tokens? */
931 equal(one+2, "b", 33);
932 equal(one+4, "c", 34);
935 check (strtok_r (one, ":", &cp) == NULL, 35); /* Must store pointer in cp. */
936 check (strtok_r (NULL, ":", &cp) == NULL, 36);
944 cp = strcpy(one, "first, second, third");
945 equal(strsep(&cp, ", "), "first", 1); /* Basic test. */
946 equal(one, "first", 2);
947 equal(strsep(&cp, ", "), "", 3);
948 equal(strsep(&cp, ", "), "second", 4);
949 equal(strsep(&cp, ", "), "", 5);
950 equal(strsep(&cp, ", "), "third", 6);
951 check(strsep(&cp, ", ") == NULL, 7);
952 cp = strcpy(one, ", first, ");
953 equal(strsep(&cp, ", "), "", 8);
954 equal(strsep(&cp, ", "), "", 9);
955 equal(strsep(&cp, ", "), "first", 10); /* Extra delims, 1 tok. */
956 equal(strsep(&cp, ", "), "", 11);
957 equal(strsep(&cp, ", "), "", 12);
958 check(strsep(&cp, ", ") == NULL, 13);
959 cp = strcpy(one, "1a, 1b; 2a, 2b");
960 equal(strsep(&cp, ", "), "1a", 14); /* Changing delim lists. */
961 equal(strsep(&cp, ", "), "", 15);
962 equal(strsep(&cp, "; "), "1b", 16);
963 equal(strsep(&cp, ", "), "", 17);
964 equal(strsep(&cp, ", "), "2a", 18);
965 cp = strcpy(two, "x-y");
966 equal(strsep(&cp, "-"), "x", 19); /* New string before done. */
967 equal(strsep(&cp, "-"), "y", 20);
968 check(strsep(&cp, "-") == NULL, 21);
969 cp = strcpy(one, "a,b, c,, ,d ");
970 equal(strsep(&cp, ", "), "a", 22); /* Different separators. */
971 equal(strsep(&cp, ", "), "b", 23);
972 equal(strsep(&cp, " ,"), "", 24);
973 equal(strsep(&cp, " ,"), "c", 25); /* Permute list too. */
974 equal(strsep(&cp, " ,"), "", 26);
975 equal(strsep(&cp, " ,"), "", 27);
976 equal(strsep(&cp, " ,"), "", 28);
977 equal(strsep(&cp, " ,"), "d", 29);
978 equal(strsep(&cp, " ,"), "", 30);
979 check(strsep(&cp, ", ") == NULL, 31);
980 check(strsep(&cp, ", ") == NULL, 32); /* Persistence. */
981 cp = strcpy(one, ", ");
982 equal(strsep(&cp, ", "), "", 33);
983 equal(strsep(&cp, ", "), "", 34);
984 equal(strsep(&cp, ", "), "", 35);
985 check(strsep(&cp, ", ") == NULL, 36); /* No tokens. */
986 cp = strcpy(one, "");
987 equal(strsep(&cp, ", "), "", 37);
988 check(strsep(&cp, ", ") == NULL, 38); /* Empty string. */
989 cp = strcpy(one, "abc");
990 equal(strsep(&cp, ", "), "abc", 39); /* No delimiters. */
991 check(strsep(&cp, ", ") == NULL, 40);
992 cp = strcpy(one, "abc");
993 equal(strsep(&cp, ""), "abc", 41); /* Empty delimiter list. */
994 check(strsep(&cp, "") == NULL, 42);
995 (void) strcpy(one, "abcdefgh");
996 cp = strcpy(one, "a,b,c");
997 equal(strsep(&cp, ","), "a", 43); /* Basics again... */
998 equal(strsep(&cp, ","), "b", 44);
999 equal(strsep(&cp, ","), "c", 45);
1000 check(strsep(&cp, ",") == NULL, 46);
1001 equal(one+6, "gh", 47); /* Stomped past end? */
1002 equal(one, "a", 48); /* Stomped old tokens? */
1003 equal(one+2, "b", 49);
1004 equal(one+4, "c", 50);
1007 char text[] = "This,is,a,test";
1008 char *list = strdupa (text);
1009 equal (strsep (&list, ","), "This", 51);
1010 equal (strsep (&list, ","), "is", 52);
1011 equal (strsep (&list, ","), "a", 53);
1012 equal (strsep (&list, ","), "test", 54);
1013 check (strsep (&list, ",") == NULL, 55);
1016 cp = strcpy(one, "a,b, c,, ,d,");
1017 equal(strsep(&cp, ","), "a", 56); /* Different separators. */
1018 equal(strsep(&cp, ","), "b", 57);
1019 equal(strsep(&cp, ","), " c", 58); /* Permute list too. */
1020 equal(strsep(&cp, ","), "", 59);
1021 equal(strsep(&cp, ","), " ", 60);
1022 equal(strsep(&cp, ","), "d", 61);
1023 equal(strsep(&cp, ","), "", 62);
1024 check(strsep(&cp, ",") == NULL, 63);
1025 check(strsep(&cp, ",") == NULL, 64); /* Persistence. */
1027 cp = strcpy(one, "a,b, c,, ,d,");
1028 equal(strsep(&cp, "xy,"), "a", 65); /* Different separators. */
1029 equal(strsep(&cp, "x,y"), "b", 66);
1030 equal(strsep(&cp, ",xy"), " c", 67); /* Permute list too. */
1031 equal(strsep(&cp, "xy,"), "", 68);
1032 equal(strsep(&cp, "x,y"), " ", 69);
1033 equal(strsep(&cp, ",xy"), "d", 70);
1034 equal(strsep(&cp, "xy,"), "", 71);
1035 check(strsep(&cp, "x,y") == NULL, 72);
1036 check(strsep(&cp, ",xy") == NULL, 73); /* Persistence. */
1038 cp = strcpy(one, "ABC");
1040 equal(strsep(&cp, "C"), "AB", 74); /* Access beyond NUL. */
1041 ptr = strsep(&cp, ":");
1043 check(ptr == one + 3, 76);
1044 check(cp == NULL, 77);
1046 cp = strcpy(one, "ABC");
1048 equal(strsep(&cp, "CD"), "AB", 78); /* Access beyond NUL. */
1049 ptr = strsep(&cp, ":.");
1051 check(ptr == one + 3, 80);
1053 cp = strcpy(one, "ABC"); /* No token in string. */
1054 equal(strsep(&cp, ","), "ABC", 81);
1055 check(cp == NULL, 82);
1057 *one = '\0'; /* Empty string. */
1059 ptr = strsep(&cp, ",");
1061 check(ptr == one, 84);
1062 check(cp == NULL, 85);
1064 *one = '\0'; /* Empty string and no token. */
1066 ptr = strsep(&cp, "");
1068 check(ptr == one , 87);
1069 check(cp == NULL, 88);
1080 check(memcmp("a", "a", 1) == 0, cnt++); /* Identity. */
1081 check(memcmp("abc", "abc", 3) == 0, cnt++); /* Multicharacter. */
1082 check(memcmp("abcd", "abcf", 4) < 0, cnt++); /* Honestly unequal. */
1083 check(memcmp("abcf", "abcd", 4) > 0, cnt++);
1084 check(memcmp("alph", "cold", 4) < 0, cnt++);
1085 check(memcmp("a\203", "a\003", 2) > 0, cnt++);
1086 check(memcmp("a\003", "a\203", 2) < 0, cnt++);
1087 check(memcmp("a\003bc", "a\203bc", 2) < 0, cnt++);
1088 check(memcmp("abc\203", "abc\003", 4) > 0, cnt++);
1089 check(memcmp("abc\003", "abc\203", 4) < 0, cnt++);
1090 check(memcmp("abcf", "abcd", 3) == 0, cnt++); /* Count limited. */
1091 check(memcmp("abc", "def", 0) == 0, cnt++); /* Zero count. */
1092 /* Comparisons with shifting 4-byte boundaries. */
1093 for (int i = 0; i < 4; ++i)
1097 strncpy(a, "--------11112222", 16);
1098 strncpy(b, "--------33334444", 16);
1099 check(memcmp(b, a, 16) > 0, cnt++);
1100 check(memcmp(a, b, 16) < 0, cnt++);
1108 check(memchr("abcd", 'z', 4) == NULL, 1); /* Not found. */
1109 (void) strcpy(one, "abcd");
1110 check(memchr(one, 'c', 4) == one+2, 2); /* Basic test. */
1111 check(memchr(one, ~0xff|'c', 4) == one+2, 2); /* ignore highorder bits. */
1112 check(memchr(one, 'd', 4) == one+3, 3); /* End of string. */
1113 check(memchr(one, 'a', 4) == one, 4); /* Beginning. */
1114 check(memchr(one, '\0', 5) == one+4, 5); /* Finding NUL. */
1115 (void) strcpy(one, "ababa");
1116 check(memchr(one, 'b', 5) == one+1, 6); /* Finding first. */
1117 check(memchr(one, 'b', 0) == NULL, 7); /* Zero count. */
1118 check(memchr(one, 'a', 1) == one, 8); /* Singleton case. */
1119 (void) strcpy(one, "a\203b");
1120 check(memchr(one, 0203, 3) == one+1, 9); /* Unsignedness. */
1122 /* now test all possible alignment and length combinations to catch
1123 bugs due to unrolled loops (assuming unrolling is limited to no
1124 more than 128 byte chunks: */
1126 char buf[128 + sizeof(long)];
1127 long align, len, i, pos;
1129 for (align = 0; align < (long) sizeof(long); ++align) {
1130 for (len = 0; len < (long) (sizeof(buf) - align); ++len) {
1131 for (i = 0; i < len; ++i) {
1132 buf[align + i] = 'x'; /* don't depend on memset... */
1134 for (pos = 0; pos < len; ++pos) {
1136 printf("align %d, len %d, pos %d\n", align, len, pos);
1138 check(memchr(buf + align, 'x', len) == buf + align + pos, 10);
1139 check(memchr(buf + align, 'x', pos) == NULL, 11);
1140 buf[align + pos] = '-';
1152 check(memcpy(one, "abc", 4) == one, 1); /* Returned value. */
1153 equal(one, "abc", 2); /* Did the copy go right? */
1155 (void) strcpy(one, "abcdefgh");
1156 (void) memcpy(one+1, "xyz", 2);
1157 equal(one, "axydefgh", 3); /* Basic test. */
1159 (void) strcpy(one, "abc");
1160 (void) memcpy(one, "xyz", 0);
1161 equal(one, "abc", 4); /* Zero-length copy. */
1163 (void) strcpy(one, "hi there");
1164 (void) strcpy(two, "foo");
1165 (void) memcpy(two, one, 9);
1166 equal(two, "hi there", 5); /* Just paranoia. */
1167 equal(one, "hi there", 6); /* Stomped on source? */
1169 for (i = 0; i < 16; i++)
1171 const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
1173 check (memcpy (one + i, "hi there", 9) == one + i,
1174 7 + (i * 6)); /* Unaligned destination. */
1175 check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */
1176 equal (one + i, "hi there", 9 + (i * 6));
1177 check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */
1178 check (memcpy (two, one + i, 9) == two,
1179 11 + (i * 6)); /* Unaligned source. */
1180 equal (two, "hi there", 12 + (i * 6));
1189 check(mempcpy(one, "abc", 4) == one + 4, 1); /* Returned value. */
1190 equal(one, "abc", 2); /* Did the copy go right? */
1192 (void) strcpy(one, "abcdefgh");
1193 (void) mempcpy(one+1, "xyz", 2);
1194 equal(one, "axydefgh", 3); /* Basic test. */
1196 (void) strcpy(one, "abc");
1197 (void) mempcpy(one, "xyz", 0);
1198 equal(one, "abc", 4); /* Zero-length copy. */
1200 (void) strcpy(one, "hi there");
1201 (void) strcpy(two, "foo");
1202 (void) mempcpy(two, one, 9);
1203 equal(two, "hi there", 5); /* Just paranoia. */
1204 equal(one, "hi there", 6); /* Stomped on source? */
1206 for (i = 0; i < 16; i++)
1208 const char *x = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
1210 check (mempcpy (one + i, "hi there", 9) == one + i + 9,
1211 7 + (i * 6)); /* Unaligned destination. */
1212 check (memcmp (one, x, i) == 0, 8 + (i * 6)); /* Wrote under? */
1213 equal (one + i, "hi there", 9 + (i * 6));
1214 check (one[i + 9] == 'x', 10 + (i * 6)); /* Wrote over? */
1215 check (mempcpy (two, one + i, 9) == two + 9,
1216 11 + (i * 6)); /* Unaligned source. */
1217 equal (two, "hi there", 12 + (i * 6));
1225 check(memmove(one, "abc", 4) == one, 1); /* Returned value. */
1226 equal(one, "abc", 2); /* Did the copy go right? */
1228 (void) strcpy(one, "abcdefgh");
1229 (void) memmove(one+1, "xyz", 2);
1230 equal(one, "axydefgh", 3); /* Basic test. */
1232 (void) strcpy(one, "abc");
1233 (void) memmove(one, "xyz", 0);
1234 equal(one, "abc", 4); /* Zero-length copy. */
1236 (void) strcpy(one, "hi there");
1237 (void) strcpy(two, "foo");
1238 (void) memmove(two, one, 9);
1239 equal(two, "hi there", 5); /* Just paranoia. */
1240 equal(one, "hi there", 6); /* Stomped on source? */
1242 (void) strcpy(one, "abcdefgh");
1243 (void) memmove(one+1, one, 9);
1244 equal(one, "aabcdefgh", 7); /* Overlap, right-to-left. */
1246 (void) strcpy(one, "abcdefgh");
1247 (void) memmove(one+1, one+2, 7);
1248 equal(one, "acdefgh", 8); /* Overlap, left-to-right. */
1250 (void) strcpy(one, "abcdefgh");
1251 (void) memmove(one, one, 9);
1252 equal(one, "abcdefgh", 9); /* 100% overlap. */
1258 /* First test like memcpy, then the search part The SVID, the only
1259 place where memccpy is mentioned, says overlap might fail, so we
1260 don't try it. Besides, it's hard to see the rationale for a
1261 non-left-to-right memccpy. */
1263 check(memccpy(one, "abc", 'q', 4) == NULL, 1); /* Returned value. */
1264 equal(one, "abc", 2); /* Did the copy go right? */
1266 (void) strcpy(one, "abcdefgh");
1267 (void) memccpy(one+1, "xyz", 'q', 2);
1268 equal(one, "axydefgh", 3); /* Basic test. */
1270 (void) strcpy(one, "abc");
1271 (void) memccpy(one, "xyz", 'q', 0);
1272 equal(one, "abc", 4); /* Zero-length copy. */
1274 (void) strcpy(one, "hi there");
1275 (void) strcpy(two, "foo");
1276 (void) memccpy(two, one, 'q', 9);
1277 equal(two, "hi there", 5); /* Just paranoia. */
1278 equal(one, "hi there", 6); /* Stomped on source? */
1280 (void) strcpy(one, "abcdefgh");
1281 (void) strcpy(two, "horsefeathers");
1282 check(memccpy(two, one, 'f', 9) == two+6, 7); /* Returned value. */
1283 equal(one, "abcdefgh", 8); /* Source intact? */
1284 equal(two, "abcdefeathers", 9); /* Copy correct? */
1286 (void) strcpy(one, "abcd");
1287 (void) strcpy(two, "bumblebee");
1288 check(memccpy(two, one, 'a', 4) == two+1, 10); /* First char. */
1289 equal(two, "aumblebee", 11);
1290 check(memccpy(two, one, 'd', 4) == two+4, 12); /* Last char. */
1291 equal(two, "abcdlebee", 13);
1292 (void) strcpy(one, "xyz");
1293 check(memccpy(two, one, 'x', 1) == two+1, 14); /* Singleton. */
1294 equal(two, "xbcdlebee", 15);
1303 (void) strcpy(one, "abcdefgh");
1304 check(memset(one+1, 'x', 3) == one+1, 1); /* Return value. */
1305 equal(one, "axxxefgh", 2); /* Basic test. */
1307 DIAG_PUSH_NEEDS_COMMENT;
1308 #if __GNUC_PREREQ (5, 0)
1309 /* GCC 5.0 warns about a zero-length memset because the arguments to memset
1310 may be in the wrong order. But we really want to test this. */
1311 DIAG_IGNORE_NEEDS_COMMENT (5.0, "-Wmemset-transposed-args")
1313 (void) memset(one+2, 'y', 0);
1314 equal(one, "axxxefgh", 3); /* Zero-length set. */
1315 DIAG_POP_NEEDS_COMMENT;
1317 (void) memset(one+5, 0, 1);
1318 equal(one, "axxxe", 4); /* Zero fill. */
1319 equal(one+6, "gh", 5); /* And the leftover. */
1321 (void) memset(one+2, 010045, 1);
1322 equal(one, "ax\045xe", 6); /* Unsigned char convert. */
1324 /* Non-8bit fill character. */
1325 memset (one, 0x101, sizeof (one));
1326 for (i = 0; i < (int) sizeof (one); ++i)
1327 check (one[i] == '\01', 7);
1329 /* Test for more complex versions of memset, for all alignments and
1330 lengths up to 256. This test takes a little while, perhaps it should
1338 for (i = 0; i < 512; i++)
1340 for (c = 0; c <= 'y'; c += 'y') /* check for memset(,0,) and
1342 for (j = 0; j < 256; j++)
1343 for (i = 0; i < 256; i++)
1345 memset (data + i, c, j);
1346 for (k = 0; k < i; k++)
1349 for (k = i; k < i+j; k++)
1355 for (k = i+j; k < 512; k++)
1361 check (0, 8 + i + j * 256 + (c != 0) * 256 * 256);
1369 /* Much like memcpy. Berklix manual is silent about overlap, so
1372 (void) bcopy("abc", one, 4);
1373 equal(one, "abc", 1); /* Simple copy. */
1375 (void) strcpy(one, "abcdefgh");
1376 (void) bcopy("xyz", one+1, 2);
1377 equal(one, "axydefgh", 2); /* Basic test. */
1379 (void) strcpy(one, "abc");
1380 (void) bcopy("xyz", one, 0);
1381 equal(one, "abc", 3); /* Zero-length copy. */
1383 (void) strcpy(one, "hi there");
1384 (void) strcpy(two, "foo");
1385 (void) bcopy(one, two, 9);
1386 equal(two, "hi there", 4); /* Just paranoia. */
1387 equal(one, "hi there", 5); /* Stomped on source? */
1394 (void) strcpy(one, "abcdef");
1396 equal(one, "ab", 1); /* Basic test. */
1397 equal(one+3, "", 2);
1398 equal(one+4, "ef", 3);
1400 (void) strcpy(one, "abcdef");
1402 equal(one, "abcdef", 4); /* Zero-length copy. */
1410 p = strndup("abcdef", 12);
1411 check(p != NULL, 1);
1414 equal(p, "abcdef", 2);
1415 q = strndup(p + 1, 2);
1416 check(q != NULL, 3);
1422 p = strndup("abc def", 3);
1423 check(p != NULL, 5);
1433 check(bcmp("a", "a", 1) == 0, 1); /* Identity. */
1434 check(bcmp("abc", "abc", 3) == 0, 2); /* Multicharacter. */
1435 check(bcmp("abcd", "abce", 4) != 0, 3); /* Honestly unequal. */
1436 check(bcmp("abce", "abcd", 4) != 0, 4);
1437 check(bcmp("alph", "beta", 4) != 0, 5);
1438 check(bcmp("abce", "abcd", 3) == 0, 6); /* Count limited. */
1439 check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */
1443 test_strerror (void)
1446 check(strerror(EDOM) != 0, 1);
1447 check(strerror(ERANGE) != 0, 2);
1448 check(strerror(ENOENT) != 0, 3);
1452 test_strcasecmp (void)
1455 /* Note that the locale is "C". */
1456 check(strcasecmp("a", "a") == 0, 1);
1457 check(strcasecmp("a", "A") == 0, 2);
1458 check(strcasecmp("A", "a") == 0, 3);
1459 check(strcasecmp("a", "b") < 0, 4);
1460 check(strcasecmp("c", "b") > 0, 5);
1461 check(strcasecmp("abc", "AbC") == 0, 6);
1462 check(strcasecmp("0123456789", "0123456789") == 0, 7);
1463 check(strcasecmp("", "0123456789") < 0, 8);
1464 check(strcasecmp("AbC", "") > 0, 9);
1465 check(strcasecmp("AbC", "A") > 0, 10);
1466 check(strcasecmp("AbC", "Ab") > 0, 11);
1467 check(strcasecmp("AbC", "ab") > 0, 12);
1471 test_strncasecmp (void)
1474 /* Note that the locale is "C". */
1475 check(strncasecmp("a", "a", 5) == 0, 1);
1476 check(strncasecmp("a", "A", 5) == 0, 2);
1477 check(strncasecmp("A", "a", 5) == 0, 3);
1478 check(strncasecmp("a", "b", 5) < 0, 4);
1479 check(strncasecmp("c", "b", 5) > 0, 5);
1480 check(strncasecmp("abc", "AbC", 5) == 0, 6);
1481 check(strncasecmp("0123456789", "0123456789", 10) == 0, 7);
1482 check(strncasecmp("", "0123456789", 10) < 0, 8);
1483 check(strncasecmp("AbC", "", 5) > 0, 9);
1484 check(strncasecmp("AbC", "A", 5) > 0, 10);
1485 check(strncasecmp("AbC", "Ab", 5) > 0, 11);
1486 check(strncasecmp("AbC", "ab", 5) > 0, 12);
1487 check(strncasecmp("0123456789", "AbC", 0) == 0, 13);
1488 check(strncasecmp("AbC", "abc", 1) == 0, 14);
1489 check(strncasecmp("AbC", "abc", 2) == 0, 15);
1490 check(strncasecmp("AbC", "abc", 3) == 0, 16);
1491 check(strncasecmp("AbC", "abcd", 3) == 0, 17);
1492 check(strncasecmp("AbC", "abcd", 4) < 0, 18);
1493 check(strncasecmp("ADC", "abcd", 1) == 0, 19);
1494 check(strncasecmp("ADC", "abcd", 2) > 0, 20);
1502 /* Test strcmp first because we use it to test other things. */
1505 /* Test strcpy next because we need it to set up other tests. */
1508 /* A closely related function is stpcpy. */
1541 /* index - just like strchr. */
1550 /* rindex - just like strrchr. */
1553 /* strpbrk - somewhat like strchr. */
1556 /* strstr - somewhat like strchr. */
1565 /* strtok - the hard one. */
1580 /* memcpy - need not work for overlap. */
1583 /* memmove - must work on overlap. */
1601 /* bcmp - somewhat like memcmp. */
1607 /* strerror - VERY system-dependent. */
1610 /* strcasecmp. Without locale dependencies. */
1613 /* strncasecmp. Without locale dependencies. */
1614 test_strncasecmp ();
1618 status = EXIT_SUCCESS;
1623 status = EXIT_FAILURE;
1624 printf("%Zd errors.\n", errors);