1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
24 #include "vasnprintf.h"
32 #define ASSERT(expr) if (!(expr)) abort ();
34 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
39 static double zero = 0.0;
43 # define NaN() (0.0 / 0.0)
47 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
52 /* Test return value convention. */
54 for (size = 0; size <= 8; size++)
57 char *result = my_asnprintf (NULL, &length, "%d", 12345);
58 ASSERT (result != NULL);
59 ASSERT (strcmp (result, "12345") == 0);
64 for (size = 0; size <= 8; size++)
69 memcpy (buf, "DEADBEEF", 8);
71 result = my_asnprintf (buf, &length, "%d", 12345);
72 ASSERT (result != NULL);
73 ASSERT (strcmp (result, "12345") == 0);
76 ASSERT (result != buf);
77 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
82 /* Test support of size specifiers as in C99. */
87 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
88 ASSERT (result != NULL);
89 ASSERT (strcmp (result, "12345671 33") == 0);
90 ASSERT (length == strlen (result));
97 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
98 ASSERT (result != NULL);
99 ASSERT (strcmp (result, "12345672 33") == 0);
100 ASSERT (length == strlen (result));
107 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
108 ASSERT (result != NULL);
109 ASSERT (strcmp (result, "12345673 33") == 0);
110 ASSERT (length == strlen (result));
118 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
119 ASSERT (result != NULL);
120 ASSERT (strcmp (result, "1.5 33") == 0);
121 ASSERT (length == strlen (result));
126 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
127 output of floating-point numbers. */
129 { /* A positive number. */
132 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
133 ASSERT (result != NULL);
134 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
135 || strcmp (result, "0x3.244p+0 33") == 0
136 || strcmp (result, "0x6.488p-1 33") == 0
137 || strcmp (result, "0xc.91p-2 33") == 0);
138 ASSERT (length == strlen (result));
142 { /* A negative number. */
145 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
146 ASSERT (result != NULL);
147 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
148 || strcmp (result, "-0X3.244P+0 33") == 0
149 || strcmp (result, "-0X6.488P-1 33") == 0
150 || strcmp (result, "-0XC.91P-2 33") == 0);
151 ASSERT (length == strlen (result));
155 { /* Positive zero. */
158 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
159 ASSERT (result != NULL);
160 ASSERT (strcmp (result, "0x0p+0 33") == 0);
161 ASSERT (length == strlen (result));
165 { /* Negative zero. */
168 my_asnprintf (NULL, &length, "%a %d", -0.0, 33, 44, 55);
169 ASSERT (result != NULL);
170 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
171 ASSERT (length == strlen (result));
175 { /* Positive infinity. */
178 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
179 ASSERT (result != NULL);
180 ASSERT (strcmp (result, "inf 33") == 0);
181 ASSERT (length == strlen (result));
185 { /* Negative infinity. */
188 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
189 ASSERT (result != NULL);
190 ASSERT (strcmp (result, "-inf 33") == 0);
191 ASSERT (length == strlen (result));
198 my_asnprintf (NULL, &length, "%a %d", NaN (), 33, 44, 55);
199 ASSERT (result != NULL);
200 ASSERT (strcmp (result, "nan 33") == 0);
201 ASSERT (length == strlen (result));
205 { /* Rounding near the decimal point. */
208 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
209 ASSERT (result != NULL);
210 ASSERT (strcmp (result, "0x2p+0 33") == 0
211 || strcmp (result, "0x3p-1 33") == 0
212 || strcmp (result, "0x6p-2 33") == 0
213 || strcmp (result, "0xcp-3 33") == 0);
214 ASSERT (length == strlen (result));
218 { /* Rounding with precision 0. */
221 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
222 ASSERT (result != NULL);
223 ASSERT (strcmp (result, "0x2p+0 33") == 0
224 || strcmp (result, "0x3p-1 33") == 0
225 || strcmp (result, "0x6p-2 33") == 0
226 || strcmp (result, "0xcp-3 33") == 0);
227 ASSERT (length == strlen (result));
231 { /* Rounding with precision 1. */
234 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
235 ASSERT (result != NULL);
236 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
237 || strcmp (result, "0x3.0p-1 33") == 0
238 || strcmp (result, "0x6.1p-2 33") == 0
239 || strcmp (result, "0xc.1p-3 33") == 0);
240 ASSERT (length == strlen (result));
244 { /* Rounding with precision 2. */
247 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
248 ASSERT (result != NULL);
249 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
250 || strcmp (result, "0x3.05p-1 33") == 0
251 || strcmp (result, "0x6.0ap-2 33") == 0
252 || strcmp (result, "0xc.14p-3 33") == 0);
253 ASSERT (length == strlen (result));
257 { /* Rounding with precision 3. */
260 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
261 ASSERT (result != NULL);
262 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
263 || strcmp (result, "0x3.052p-1 33") == 0
264 || strcmp (result, "0x6.0a4p-2 33") == 0
265 || strcmp (result, "0xc.148p-3 33") == 0);
266 ASSERT (length == strlen (result));
270 { /* Rounding can turn a ...FFF into a ...000. */
273 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
274 ASSERT (result != NULL);
275 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
276 || strcmp (result, "0x3.000p-1 33") == 0
277 || strcmp (result, "0x6.000p-2 33") == 0
278 || strcmp (result, "0xc.000p-3 33") == 0);
279 ASSERT (length == strlen (result));
283 { /* Rounding can turn a ...FFF into a ...000.
284 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
287 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
288 ASSERT (result != NULL);
289 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
290 || strcmp (result, "0x2.0p+0 33") == 0
291 || strcmp (result, "0x4.0p-1 33") == 0
292 || strcmp (result, "0x8.0p-2 33") == 0);
293 ASSERT (length == strlen (result));
300 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
301 ASSERT (result != NULL);
302 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
303 || strcmp (result, " 0x3.8p-1 33") == 0
304 || strcmp (result, " 0x7p-2 33") == 0
305 || strcmp (result, " 0xep-3 33") == 0);
306 ASSERT (length == strlen (result));
310 { /* Small precision. */
313 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
314 ASSERT (result != NULL);
315 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
316 || strcmp (result, "0x3.8000000000p-1 33") == 0
317 || strcmp (result, "0x7.0000000000p-2 33") == 0
318 || strcmp (result, "0xe.0000000000p-3 33") == 0);
319 ASSERT (length == strlen (result));
323 { /* Large precision. */
326 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
327 ASSERT (result != NULL);
328 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
329 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
330 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
331 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
332 ASSERT (length == strlen (result));
339 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
340 ASSERT (result != NULL);
341 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
342 || strcmp (result, "0x3.8p-1 33") == 0
343 || strcmp (result, "0x7p-2 33") == 0
344 || strcmp (result, "0xep-3 33") == 0);
345 ASSERT (length == strlen (result));
349 { /* FLAG_SHOWSIGN. */
352 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
353 ASSERT (result != NULL);
354 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
355 || strcmp (result, "+0x3.8p-1 33") == 0
356 || strcmp (result, "+0x7p-2 33") == 0
357 || strcmp (result, "+0xep-3 33") == 0);
358 ASSERT (length == strlen (result));
365 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
366 ASSERT (result != NULL);
367 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
368 || strcmp (result, " 0x3.8p-1 33") == 0
369 || strcmp (result, " 0x7p-2 33") == 0
370 || strcmp (result, " 0xep-3 33") == 0);
371 ASSERT (length == strlen (result));
378 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
379 ASSERT (result != NULL);
380 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
381 || strcmp (result, "0x3.8p-1 33") == 0
382 || strcmp (result, "0x7.p-2 33") == 0
383 || strcmp (result, "0xe.p-3 33") == 0);
384 ASSERT (length == strlen (result));
391 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
392 ASSERT (result != NULL);
393 ASSERT (strcmp (result, "0x1.p+0 33") == 0
394 || strcmp (result, "0x2.p-1 33") == 0
395 || strcmp (result, "0x4.p-2 33") == 0
396 || strcmp (result, "0x8.p-3 33") == 0);
397 ASSERT (length == strlen (result));
401 { /* FLAG_ZERO with finite number. */
404 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
405 ASSERT (result != NULL);
406 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
407 || strcmp (result, "0x003.8p-1 33") == 0
408 || strcmp (result, "0x00007p-2 33") == 0
409 || strcmp (result, "0x0000ep-3 33") == 0);
410 ASSERT (length == strlen (result));
414 { /* FLAG_ZERO with infinite number. */
417 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
418 ASSERT (result != NULL);
419 ASSERT (strcmp (result, " inf 33") == 0
420 || strcmp (result, "0000000inf 33") == 0);
421 ASSERT (length == strlen (result));
425 { /* FLAG_ZERO with NaN. */
428 my_asnprintf (NULL, &length, "%010a %d", NaN (), 33, 44, 55);
429 ASSERT (result != NULL);
430 ASSERT (strcmp (result, " nan 33") == 0
431 || strcmp (result, "0000000nan 33") == 0);
432 ASSERT (length == strlen (result));
438 { /* A positive number. */
441 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
442 ASSERT (result != NULL);
443 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
444 || strcmp (result, "0x3.244p+0 33") == 0
445 || strcmp (result, "0x6.488p-1 33") == 0
446 || strcmp (result, "0xc.91p-2 33") == 0);
447 ASSERT (length == strlen (result));
451 { /* A negative number. */
454 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
455 ASSERT (result != NULL);
456 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
457 || strcmp (result, "-0X3.244P+0 33") == 0
458 || strcmp (result, "-0X6.488P-1 33") == 0
459 || strcmp (result, "-0XC.91P-2 33") == 0);
460 ASSERT (length == strlen (result));
464 { /* Positive zero. */
467 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
468 ASSERT (result != NULL);
469 ASSERT (strcmp (result, "0x0p+0 33") == 0);
470 ASSERT (length == strlen (result));
474 { /* Negative zero. */
477 my_asnprintf (NULL, &length, "%La %d", -0.0L, 33, 44, 55);
478 ASSERT (result != NULL);
479 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
480 ASSERT (length == strlen (result));
484 { /* Positive infinity. */
487 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
488 ASSERT (result != NULL);
489 ASSERT (strcmp (result, "inf 33") == 0);
490 ASSERT (length == strlen (result));
494 { /* Negative infinity. */
497 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
498 ASSERT (result != NULL);
499 ASSERT (strcmp (result, "-inf 33") == 0);
500 ASSERT (length == strlen (result));
507 my_asnprintf (NULL, &length, "%La %d", 0.0L / 0.0L, 33, 44, 55);
508 ASSERT (result != NULL);
509 ASSERT (strcmp (result, "nan 33") == 0);
510 ASSERT (length == strlen (result));
514 { /* Rounding near the decimal point. */
517 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
518 ASSERT (result != NULL);
519 ASSERT (strcmp (result, "0x2p+0 33") == 0
520 || strcmp (result, "0x3p-1 33") == 0
521 || strcmp (result, "0x6p-2 33") == 0
522 || strcmp (result, "0xcp-3 33") == 0);
523 ASSERT (length == strlen (result));
527 { /* Rounding with precision 0. */
530 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
531 ASSERT (result != NULL);
532 ASSERT (strcmp (result, "0x2p+0 33") == 0
533 || strcmp (result, "0x3p-1 33") == 0
534 || strcmp (result, "0x6p-2 33") == 0
535 || strcmp (result, "0xcp-3 33") == 0);
536 ASSERT (length == strlen (result));
540 { /* Rounding with precision 1. */
543 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
544 ASSERT (result != NULL);
545 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
546 || strcmp (result, "0x3.0p-1 33") == 0
547 || strcmp (result, "0x6.1p-2 33") == 0
548 || strcmp (result, "0xc.1p-3 33") == 0);
549 ASSERT (length == strlen (result));
553 { /* Rounding with precision 2. */
556 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
557 ASSERT (result != NULL);
558 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
559 || strcmp (result, "0x3.05p-1 33") == 0
560 || strcmp (result, "0x6.0ap-2 33") == 0
561 || strcmp (result, "0xc.14p-3 33") == 0);
562 ASSERT (length == strlen (result));
566 { /* Rounding with precision 3. */
569 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
570 ASSERT (result != NULL);
571 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
572 || strcmp (result, "0x3.052p-1 33") == 0
573 || strcmp (result, "0x6.0a4p-2 33") == 0
574 || strcmp (result, "0xc.148p-3 33") == 0);
575 ASSERT (length == strlen (result));
579 { /* Rounding can turn a ...FFF into a ...000. */
582 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
583 ASSERT (result != NULL);
584 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
585 || strcmp (result, "0x3.000p-1 33") == 0
586 || strcmp (result, "0x6.000p-2 33") == 0
587 || strcmp (result, "0xc.000p-3 33") == 0);
588 ASSERT (length == strlen (result));
592 { /* Rounding can turn a ...FFF into a ...000.
593 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
594 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
597 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
598 ASSERT (result != NULL);
599 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
600 || strcmp (result, "0x2.0p+0 33") == 0
601 || strcmp (result, "0x4.0p-1 33") == 0
602 || strcmp (result, "0x8.0p-2 33") == 0);
603 ASSERT (length == strlen (result));
610 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
611 ASSERT (result != NULL);
612 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
613 || strcmp (result, " 0x3.8p-1 33") == 0
614 || strcmp (result, " 0x7p-2 33") == 0
615 || strcmp (result, " 0xep-3 33") == 0);
616 ASSERT (length == strlen (result));
620 { /* Small precision. */
623 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
624 ASSERT (result != NULL);
625 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
626 || strcmp (result, "0x3.8000000000p-1 33") == 0
627 || strcmp (result, "0x7.0000000000p-2 33") == 0
628 || strcmp (result, "0xe.0000000000p-3 33") == 0);
629 ASSERT (length == strlen (result));
633 { /* Large precision. */
636 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
637 ASSERT (result != NULL);
638 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
639 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
640 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
641 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
642 ASSERT (length == strlen (result));
649 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
650 ASSERT (result != NULL);
651 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
652 || strcmp (result, "0x3.8p-1 33") == 0
653 || strcmp (result, "0x7p-2 33") == 0
654 || strcmp (result, "0xep-3 33") == 0);
655 ASSERT (length == strlen (result));
659 { /* FLAG_SHOWSIGN. */
662 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
663 ASSERT (result != NULL);
664 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
665 || strcmp (result, "+0x3.8p-1 33") == 0
666 || strcmp (result, "+0x7p-2 33") == 0
667 || strcmp (result, "+0xep-3 33") == 0);
668 ASSERT (length == strlen (result));
675 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
676 ASSERT (result != NULL);
677 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
678 || strcmp (result, " 0x3.8p-1 33") == 0
679 || strcmp (result, " 0x7p-2 33") == 0
680 || strcmp (result, " 0xep-3 33") == 0);
681 ASSERT (length == strlen (result));
688 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
689 ASSERT (result != NULL);
690 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
691 || strcmp (result, "0x3.8p-1 33") == 0
692 || strcmp (result, "0x7.p-2 33") == 0
693 || strcmp (result, "0xe.p-3 33") == 0);
694 ASSERT (length == strlen (result));
701 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
702 ASSERT (result != NULL);
703 ASSERT (strcmp (result, "0x1.p+0 33") == 0
704 || strcmp (result, "0x2.p-1 33") == 0
705 || strcmp (result, "0x4.p-2 33") == 0
706 || strcmp (result, "0x8.p-3 33") == 0);
707 ASSERT (length == strlen (result));
711 { /* FLAG_ZERO with finite number. */
714 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
715 ASSERT (result != NULL);
716 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
717 || strcmp (result, "0x003.8p-1 33") == 0
718 || strcmp (result, "0x00007p-2 33") == 0
719 || strcmp (result, "0x0000ep-3 33") == 0);
720 ASSERT (length == strlen (result));
724 { /* FLAG_ZERO with infinite number. */
727 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
728 ASSERT (result != NULL);
729 ASSERT (strcmp (result, " inf 33") == 0
730 || strcmp (result, "0000000inf 33") == 0);
731 ASSERT (length == strlen (result));
735 { /* FLAG_ZERO with NaN. */
738 my_asnprintf (NULL, &length, "%010La %d", 0.0L / 0.0L, 33, 44, 55);
739 ASSERT (result != NULL);
740 ASSERT (strcmp (result, " nan 33") == 0
741 || strcmp (result, "0000000nan 33") == 0);
742 ASSERT (length == strlen (result));
748 /* Test the support of the %n format directive. */
754 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
755 ASSERT (result != NULL);
756 ASSERT (strcmp (result, "123 ") == 0);
757 ASSERT (length == strlen (result));
762 /* Test the support of the POSIX/XSI format strings with positions. */
767 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
768 ASSERT (result != NULL);
769 ASSERT (strcmp (result, "55 33") == 0);
770 ASSERT (length == strlen (result));
776 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
781 va_start (args, format);
782 ret = vasnprintf (resultbuf, lengthp, format, args);
790 test_function (my_asnprintf);
796 test_function (asnprintf);
800 main (int argc, char *argv[])