1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007-2011 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 3 of the License, or
7 (at your option) any later version.
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, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
31 #include "minus-zero.h"
34 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
38 static double plus_zero = 0.0;
39 double minus_zero = minus_zerod;
40 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
43 /* Representation of an 80-bit 'long double' as an initializer for a sequence
44 of 'unsigned int' words. */
45 #ifdef WORDS_BIGENDIAN
46 # define LDBL80_WORDS(exponent,manthi,mantlo) \
47 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
48 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
49 (unsigned int) (mantlo) << 16 \
52 # define LDBL80_WORDS(exponent,manthi,mantlo) \
53 { mantlo, manthi, exponent }
57 strmatch (const char *pattern, const char *string)
59 if (strlen (pattern) != strlen (string))
61 for (; *pattern != '\0'; pattern++, string++)
62 if (*pattern != '*' && *string != *pattern)
67 /* Test whether string[start_index..end_index-1] is a valid textual
68 representation of NaN. */
70 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
72 if (start_index < end_index)
74 if (string[start_index] == '-')
76 if (start_index + 3 <= end_index
77 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
80 if (start_index == end_index
81 || (string[start_index] == '(' && string[end_index - 1] == ')'))
89 test_function (int (*my_asprintf) (char **, const char *, ...))
93 /* Test return value convention. */
95 for (repeat = 0; repeat <= 8; repeat++)
98 int retval = asprintf (&result, "%d", 12345);
100 ASSERT (result != NULL);
101 ASSERT (strcmp (result, "12345") == 0);
105 /* Test support of size specifiers as in C99. */
110 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
111 ASSERT (result != NULL);
112 ASSERT (strcmp (result, "12345671 33") == 0);
113 ASSERT (retval == strlen (result));
120 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
121 ASSERT (result != NULL);
122 ASSERT (strcmp (result, "12345672 33") == 0);
123 ASSERT (retval == strlen (result));
130 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
131 ASSERT (result != NULL);
132 ASSERT (strcmp (result, "12345673 33") == 0);
133 ASSERT (retval == strlen (result));
140 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
141 ASSERT (result != NULL);
142 ASSERT (strcmp (result, "1.5 33") == 0);
143 ASSERT (retval == strlen (result));
147 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
148 output of floating-point numbers. */
150 { /* A positive number. */
153 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
154 ASSERT (result != NULL);
155 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
156 || strcmp (result, "0x3.244p+0 33") == 0
157 || strcmp (result, "0x6.488p-1 33") == 0
158 || strcmp (result, "0xc.91p-2 33") == 0);
159 ASSERT (retval == strlen (result));
163 { /* A negative number. */
166 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
167 ASSERT (result != NULL);
168 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
169 || strcmp (result, "-0X3.244P+0 33") == 0
170 || strcmp (result, "-0X6.488P-1 33") == 0
171 || strcmp (result, "-0XC.91P-2 33") == 0);
172 ASSERT (retval == strlen (result));
176 { /* Positive zero. */
179 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
180 ASSERT (result != NULL);
181 ASSERT (strcmp (result, "0x0p+0 33") == 0);
182 ASSERT (retval == strlen (result));
186 { /* Negative zero. */
189 my_asprintf (&result, "%a %d", minus_zerod, 33, 44, 55);
190 ASSERT (result != NULL);
191 if (have_minus_zero ())
192 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
193 ASSERT (retval == strlen (result));
197 { /* Positive infinity. */
200 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
201 ASSERT (result != NULL);
202 ASSERT (strcmp (result, "inf 33") == 0);
203 ASSERT (retval == strlen (result));
207 { /* Negative infinity. */
210 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
211 ASSERT (result != NULL);
212 ASSERT (strcmp (result, "-inf 33") == 0);
213 ASSERT (retval == strlen (result));
220 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
221 ASSERT (result != NULL);
222 ASSERT (strlen (result) >= 3 + 3
223 && strisnan (result, 0, strlen (result) - 3, 0)
224 && strcmp (result + strlen (result) - 3, " 33") == 0);
225 ASSERT (retval == strlen (result));
229 { /* Rounding near the decimal point. */
232 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
233 ASSERT (result != NULL);
234 ASSERT (strcmp (result, "0x2p+0 33") == 0
235 || strcmp (result, "0x3p-1 33") == 0
236 || strcmp (result, "0x6p-2 33") == 0
237 || strcmp (result, "0xcp-3 33") == 0);
238 ASSERT (retval == strlen (result));
242 { /* Rounding with precision 0. */
245 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
246 ASSERT (result != NULL);
247 ASSERT (strcmp (result, "0x2p+0 33") == 0
248 || strcmp (result, "0x3p-1 33") == 0
249 || strcmp (result, "0x6p-2 33") == 0
250 || strcmp (result, "0xcp-3 33") == 0);
251 ASSERT (retval == strlen (result));
255 { /* Rounding with precision 1. */
258 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
259 ASSERT (result != NULL);
260 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
261 || strcmp (result, "0x3.0p-1 33") == 0
262 || strcmp (result, "0x6.1p-2 33") == 0
263 || strcmp (result, "0xc.1p-3 33") == 0);
264 ASSERT (retval == strlen (result));
268 { /* Rounding with precision 2. */
271 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
272 ASSERT (result != NULL);
273 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
274 || strcmp (result, "0x3.05p-1 33") == 0
275 || strcmp (result, "0x6.0ap-2 33") == 0
276 || strcmp (result, "0xc.14p-3 33") == 0);
277 ASSERT (retval == strlen (result));
281 { /* Rounding with precision 3. */
284 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
285 ASSERT (result != NULL);
286 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
287 || strcmp (result, "0x3.052p-1 33") == 0
288 || strcmp (result, "0x6.0a4p-2 33") == 0
289 || strcmp (result, "0xc.148p-3 33") == 0);
290 ASSERT (retval == strlen (result));
294 { /* Rounding can turn a ...FFF into a ...000. */
297 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
298 ASSERT (result != NULL);
299 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
300 || strcmp (result, "0x3.000p-1 33") == 0
301 || strcmp (result, "0x6.000p-2 33") == 0
302 || strcmp (result, "0xc.000p-3 33") == 0);
303 ASSERT (retval == strlen (result));
307 { /* Rounding can turn a ...FFF into a ...000.
308 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
311 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
312 ASSERT (result != NULL);
313 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
314 || strcmp (result, "0x2.0p+0 33") == 0
315 || strcmp (result, "0x4.0p-1 33") == 0
316 || strcmp (result, "0x8.0p-2 33") == 0);
317 ASSERT (retval == strlen (result));
324 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
325 ASSERT (result != NULL);
326 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
327 || strcmp (result, " 0x3.8p-1 33") == 0
328 || strcmp (result, " 0x7p-2 33") == 0
329 || strcmp (result, " 0xep-3 33") == 0);
330 ASSERT (retval == strlen (result));
334 { /* Small precision. */
337 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
338 ASSERT (result != NULL);
339 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
340 || strcmp (result, "0x3.8000000000p-1 33") == 0
341 || strcmp (result, "0x7.0000000000p-2 33") == 0
342 || strcmp (result, "0xe.0000000000p-3 33") == 0);
343 ASSERT (retval == strlen (result));
347 { /* Large precision. */
350 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
351 ASSERT (result != NULL);
352 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
353 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
354 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
355 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
356 ASSERT (retval == strlen (result));
363 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
364 ASSERT (result != NULL);
365 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
366 || strcmp (result, "0x3.8p-1 33") == 0
367 || strcmp (result, "0x7p-2 33") == 0
368 || strcmp (result, "0xep-3 33") == 0);
369 ASSERT (retval == strlen (result));
373 { /* FLAG_SHOWSIGN. */
376 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
377 ASSERT (result != NULL);
378 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
379 || strcmp (result, "+0x3.8p-1 33") == 0
380 || strcmp (result, "+0x7p-2 33") == 0
381 || strcmp (result, "+0xep-3 33") == 0);
382 ASSERT (retval == strlen (result));
389 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
390 ASSERT (result != NULL);
391 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
392 || strcmp (result, " 0x3.8p-1 33") == 0
393 || strcmp (result, " 0x7p-2 33") == 0
394 || strcmp (result, " 0xep-3 33") == 0);
395 ASSERT (retval == strlen (result));
402 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
403 ASSERT (result != NULL);
404 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
405 || strcmp (result, "0x3.8p-1 33") == 0
406 || strcmp (result, "0x7.p-2 33") == 0
407 || strcmp (result, "0xe.p-3 33") == 0);
408 ASSERT (retval == strlen (result));
415 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
416 ASSERT (result != NULL);
417 ASSERT (strcmp (result, "0x1.p+0 33") == 0
418 || strcmp (result, "0x2.p-1 33") == 0
419 || strcmp (result, "0x4.p-2 33") == 0
420 || strcmp (result, "0x8.p-3 33") == 0);
421 ASSERT (retval == strlen (result));
425 { /* FLAG_ZERO with finite number. */
428 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
429 ASSERT (result != NULL);
430 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
431 || strcmp (result, "0x003.8p-1 33") == 0
432 || strcmp (result, "0x00007p-2 33") == 0
433 || strcmp (result, "0x0000ep-3 33") == 0);
434 ASSERT (retval == strlen (result));
438 { /* FLAG_ZERO with infinite number. */
441 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
442 ASSERT (result != NULL);
443 /* "0000000inf 33" is not a valid result; see
444 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
445 ASSERT (strcmp (result, " inf 33") == 0);
446 ASSERT (retval == strlen (result));
450 { /* FLAG_ZERO with NaN. */
453 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
454 ASSERT (result != NULL);
455 /* "0000000nan 33" is not a valid result; see
456 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
457 ASSERT (strlen (result) == 50 + 3
458 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
459 && strcmp (result + strlen (result) - 3, " 33") == 0);
460 ASSERT (retval == strlen (result));
464 { /* A positive number. */
467 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
468 ASSERT (result != NULL);
469 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
470 || strcmp (result, "0x3.244p+0 33") == 0
471 || strcmp (result, "0x6.488p-1 33") == 0
472 || strcmp (result, "0xc.91p-2 33") == 0);
473 ASSERT (retval == strlen (result));
477 { /* A negative number. */
480 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
481 ASSERT (result != NULL);
482 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
483 || strcmp (result, "-0X3.244P+0 33") == 0
484 || strcmp (result, "-0X6.488P-1 33") == 0
485 || strcmp (result, "-0XC.91P-2 33") == 0);
486 ASSERT (retval == strlen (result));
490 { /* Positive zero. */
493 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
494 ASSERT (result != NULL);
495 ASSERT (strcmp (result, "0x0p+0 33") == 0);
496 ASSERT (retval == strlen (result));
500 { /* Negative zero. */
503 my_asprintf (&result, "%La %d", minus_zerol, 33, 44, 55);
504 ASSERT (result != NULL);
505 if (have_minus_zero ())
506 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
507 ASSERT (retval == strlen (result));
511 { /* Positive infinity. */
514 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
515 ASSERT (result != NULL);
516 ASSERT (strcmp (result, "inf 33") == 0);
517 ASSERT (retval == strlen (result));
521 { /* Negative infinity. */
524 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
525 ASSERT (result != NULL);
526 ASSERT (strcmp (result, "-inf 33") == 0);
527 ASSERT (retval == strlen (result));
534 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
535 ASSERT (result != NULL);
536 ASSERT (strlen (result) >= 3 + 3
537 && strisnan (result, 0, strlen (result) - 3, 0)
538 && strcmp (result + strlen (result) - 3, " 33") == 0);
539 ASSERT (retval == strlen (result));
542 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
544 static union { unsigned int word[4]; long double value; } x =
545 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
548 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
549 ASSERT (result != NULL);
550 ASSERT (strlen (result) >= 3 + 3
551 && strisnan (result, 0, strlen (result) - 3, 0)
552 && strcmp (result + strlen (result) - 3, " 33") == 0);
553 ASSERT (retval == strlen (result));
557 /* Signalling NaN. */
558 static union { unsigned int word[4]; long double value; } x =
559 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
562 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
563 ASSERT (result != NULL);
564 ASSERT (strlen (result) >= 3 + 3
565 && strisnan (result, 0, strlen (result) - 3, 0)
566 && strcmp (result + strlen (result) - 3, " 33") == 0);
567 ASSERT (retval == strlen (result));
570 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
571 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
572 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
573 Application Architecture.
574 Table 5-2 "Floating-Point Register Encodings"
575 Figure 5-6 "Memory to Floating-Point Register Data Translation"
578 static union { unsigned int word[4]; long double value; } x =
579 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
582 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
583 ASSERT (result != NULL);
584 ASSERT (strlen (result) >= 3 + 3
585 && strisnan (result, 0, strlen (result) - 3, 0)
586 && strcmp (result + strlen (result) - 3, " 33") == 0);
587 ASSERT (retval == strlen (result));
590 { /* Pseudo-Infinity. */
591 static union { unsigned int word[4]; long double value; } x =
592 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
595 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
596 ASSERT (result != NULL);
597 ASSERT (strlen (result) >= 3 + 3
598 && strisnan (result, 0, strlen (result) - 3, 0)
599 && strcmp (result + strlen (result) - 3, " 33") == 0);
600 ASSERT (retval == strlen (result));
604 static union { unsigned int word[4]; long double value; } x =
605 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
608 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
609 ASSERT (result != NULL);
610 ASSERT (strlen (result) >= 3 + 3
611 && strisnan (result, 0, strlen (result) - 3, 0)
612 && strcmp (result + strlen (result) - 3, " 33") == 0);
613 ASSERT (retval == strlen (result));
616 { /* Unnormalized number. */
617 static union { unsigned int word[4]; long double value; } x =
618 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
621 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
622 ASSERT (result != NULL);
623 ASSERT (strlen (result) >= 3 + 3
624 && strisnan (result, 0, strlen (result) - 3, 0)
625 && strcmp (result + strlen (result) - 3, " 33") == 0);
626 ASSERT (retval == strlen (result));
629 { /* Pseudo-Denormal. */
630 static union { unsigned int word[4]; long double value; } x =
631 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
634 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
635 ASSERT (result != NULL);
636 ASSERT (strlen (result) >= 3 + 3
637 && strisnan (result, 0, strlen (result) - 3, 0)
638 && strcmp (result + strlen (result) - 3, " 33") == 0);
639 ASSERT (retval == strlen (result));
644 { /* Rounding near the decimal point. */
647 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
648 ASSERT (result != NULL);
649 ASSERT (strcmp (result, "0x2p+0 33") == 0
650 || strcmp (result, "0x3p-1 33") == 0
651 || strcmp (result, "0x6p-2 33") == 0
652 || strcmp (result, "0xcp-3 33") == 0);
653 ASSERT (retval == strlen (result));
657 { /* Rounding with precision 0. */
660 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
661 ASSERT (result != NULL);
662 ASSERT (strcmp (result, "0x2p+0 33") == 0
663 || strcmp (result, "0x3p-1 33") == 0
664 || strcmp (result, "0x6p-2 33") == 0
665 || strcmp (result, "0xcp-3 33") == 0);
666 ASSERT (retval == strlen (result));
670 { /* Rounding with precision 1. */
673 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
674 ASSERT (result != NULL);
675 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
676 || strcmp (result, "0x3.0p-1 33") == 0
677 || strcmp (result, "0x6.1p-2 33") == 0
678 || strcmp (result, "0xc.1p-3 33") == 0);
679 ASSERT (retval == strlen (result));
683 { /* Rounding with precision 2. */
686 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
687 ASSERT (result != NULL);
688 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
689 || strcmp (result, "0x3.05p-1 33") == 0
690 || strcmp (result, "0x6.0ap-2 33") == 0
691 || strcmp (result, "0xc.14p-3 33") == 0);
692 ASSERT (retval == strlen (result));
696 { /* Rounding with precision 3. */
699 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
700 ASSERT (result != NULL);
701 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
702 || strcmp (result, "0x3.052p-1 33") == 0
703 || strcmp (result, "0x6.0a4p-2 33") == 0
704 || strcmp (result, "0xc.148p-3 33") == 0);
705 ASSERT (retval == strlen (result));
709 { /* Rounding can turn a ...FFF into a ...000. */
712 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
713 ASSERT (result != NULL);
714 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
715 || strcmp (result, "0x3.000p-1 33") == 0
716 || strcmp (result, "0x6.000p-2 33") == 0
717 || strcmp (result, "0xc.000p-3 33") == 0);
718 ASSERT (retval == strlen (result));
722 { /* Rounding can turn a ...FFF into a ...000.
723 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
724 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
727 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
728 ASSERT (result != NULL);
729 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
730 || strcmp (result, "0x2.0p+0 33") == 0
731 || strcmp (result, "0x4.0p-1 33") == 0
732 || strcmp (result, "0x8.0p-2 33") == 0);
733 ASSERT (retval == strlen (result));
740 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
741 ASSERT (result != NULL);
742 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
743 || strcmp (result, " 0x3.8p-1 33") == 0
744 || strcmp (result, " 0x7p-2 33") == 0
745 || strcmp (result, " 0xep-3 33") == 0);
746 ASSERT (retval == strlen (result));
750 { /* Small precision. */
753 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
754 ASSERT (result != NULL);
755 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
756 || strcmp (result, "0x3.8000000000p-1 33") == 0
757 || strcmp (result, "0x7.0000000000p-2 33") == 0
758 || strcmp (result, "0xe.0000000000p-3 33") == 0);
759 ASSERT (retval == strlen (result));
763 { /* Large precision. */
766 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
767 ASSERT (result != NULL);
768 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
769 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
770 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
771 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
772 ASSERT (retval == strlen (result));
779 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
780 ASSERT (result != NULL);
781 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
782 || strcmp (result, "0x3.8p-1 33") == 0
783 || strcmp (result, "0x7p-2 33") == 0
784 || strcmp (result, "0xep-3 33") == 0);
785 ASSERT (retval == strlen (result));
789 { /* FLAG_SHOWSIGN. */
792 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
793 ASSERT (result != NULL);
794 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
795 || strcmp (result, "+0x3.8p-1 33") == 0
796 || strcmp (result, "+0x7p-2 33") == 0
797 || strcmp (result, "+0xep-3 33") == 0);
798 ASSERT (retval == strlen (result));
805 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
806 ASSERT (result != NULL);
807 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
808 || strcmp (result, " 0x3.8p-1 33") == 0
809 || strcmp (result, " 0x7p-2 33") == 0
810 || strcmp (result, " 0xep-3 33") == 0);
811 ASSERT (retval == strlen (result));
818 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
819 ASSERT (result != NULL);
820 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
821 || strcmp (result, "0x3.8p-1 33") == 0
822 || strcmp (result, "0x7.p-2 33") == 0
823 || strcmp (result, "0xe.p-3 33") == 0);
824 ASSERT (retval == strlen (result));
831 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
832 ASSERT (result != NULL);
833 ASSERT (strcmp (result, "0x1.p+0 33") == 0
834 || strcmp (result, "0x2.p-1 33") == 0
835 || strcmp (result, "0x4.p-2 33") == 0
836 || strcmp (result, "0x8.p-3 33") == 0);
837 ASSERT (retval == strlen (result));
841 { /* FLAG_ZERO with finite number. */
844 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
845 ASSERT (result != NULL);
846 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
847 || strcmp (result, "0x003.8p-1 33") == 0
848 || strcmp (result, "0x00007p-2 33") == 0
849 || strcmp (result, "0x0000ep-3 33") == 0);
850 ASSERT (retval == strlen (result));
854 { /* FLAG_ZERO with infinite number. */
857 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
858 ASSERT (result != NULL);
859 /* "0000000inf 33" is not a valid result; see
860 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
861 ASSERT (strcmp (result, " inf 33") == 0);
862 ASSERT (retval == strlen (result));
866 { /* FLAG_ZERO with NaN. */
869 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
870 ASSERT (result != NULL);
871 /* "0000000nan 33" is not a valid result; see
872 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
873 ASSERT (strlen (result) == 50 + 3
874 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
875 && strcmp (result + strlen (result) - 3, " 33") == 0);
876 ASSERT (retval == strlen (result));
880 /* Test the support of the %f format directive. */
882 { /* A positive number. */
885 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
886 ASSERT (result != NULL);
887 ASSERT (strcmp (result, "12.750000 33") == 0);
888 ASSERT (retval == strlen (result));
892 { /* A larger positive number. */
895 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
896 ASSERT (result != NULL);
897 ASSERT (strcmp (result, "1234567.000000 33") == 0);
898 ASSERT (retval == strlen (result));
902 { /* Small and large positive numbers. */
903 static struct { double value; const char *string; } data[] =
905 { 1.234321234321234e-37, "0.000000" },
906 { 1.234321234321234e-36, "0.000000" },
907 { 1.234321234321234e-35, "0.000000" },
908 { 1.234321234321234e-34, "0.000000" },
909 { 1.234321234321234e-33, "0.000000" },
910 { 1.234321234321234e-32, "0.000000" },
911 { 1.234321234321234e-31, "0.000000" },
912 { 1.234321234321234e-30, "0.000000" },
913 { 1.234321234321234e-29, "0.000000" },
914 { 1.234321234321234e-28, "0.000000" },
915 { 1.234321234321234e-27, "0.000000" },
916 { 1.234321234321234e-26, "0.000000" },
917 { 1.234321234321234e-25, "0.000000" },
918 { 1.234321234321234e-24, "0.000000" },
919 { 1.234321234321234e-23, "0.000000" },
920 { 1.234321234321234e-22, "0.000000" },
921 { 1.234321234321234e-21, "0.000000" },
922 { 1.234321234321234e-20, "0.000000" },
923 { 1.234321234321234e-19, "0.000000" },
924 { 1.234321234321234e-18, "0.000000" },
925 { 1.234321234321234e-17, "0.000000" },
926 { 1.234321234321234e-16, "0.000000" },
927 { 1.234321234321234e-15, "0.000000" },
928 { 1.234321234321234e-14, "0.000000" },
929 { 1.234321234321234e-13, "0.000000" },
930 { 1.234321234321234e-12, "0.000000" },
931 { 1.234321234321234e-11, "0.000000" },
932 { 1.234321234321234e-10, "0.000000" },
933 { 1.234321234321234e-9, "0.000000" },
934 { 1.234321234321234e-8, "0.000000" },
935 { 1.234321234321234e-7, "0.000000" },
936 { 1.234321234321234e-6, "0.000001" },
937 { 1.234321234321234e-5, "0.000012" },
938 { 1.234321234321234e-4, "0.000123" },
939 { 1.234321234321234e-3, "0.001234" },
940 { 1.234321234321234e-2, "0.012343" },
941 { 1.234321234321234e-1, "0.123432" },
942 { 1.234321234321234, "1.234321" },
943 { 1.234321234321234e1, "12.343212" },
944 { 1.234321234321234e2, "123.432123" },
945 { 1.234321234321234e3, "1234.321234" },
946 { 1.234321234321234e4, "12343.212343" },
947 { 1.234321234321234e5, "123432.123432" },
948 { 1.234321234321234e6, "1234321.234321" },
949 { 1.234321234321234e7, "12343212.343212" },
950 { 1.234321234321234e8, "123432123.432123" },
951 { 1.234321234321234e9, "1234321234.321234" },
952 { 1.234321234321234e10, "12343212343.2123**" },
953 { 1.234321234321234e11, "123432123432.123***" },
954 { 1.234321234321234e12, "1234321234321.23****" },
955 { 1.234321234321234e13, "12343212343212.3*****" },
956 { 1.234321234321234e14, "123432123432123.******" },
957 { 1.234321234321234e15, "1234321234321234.000000" },
958 { 1.234321234321234e16, "123432123432123**.000000" },
959 { 1.234321234321234e17, "123432123432123***.000000" },
960 { 1.234321234321234e18, "123432123432123****.000000" },
961 { 1.234321234321234e19, "123432123432123*****.000000" },
962 { 1.234321234321234e20, "123432123432123******.000000" },
963 { 1.234321234321234e21, "123432123432123*******.000000" },
964 { 1.234321234321234e22, "123432123432123********.000000" },
965 { 1.234321234321234e23, "123432123432123*********.000000" },
966 { 1.234321234321234e24, "123432123432123**********.000000" },
967 { 1.234321234321234e25, "123432123432123***********.000000" },
968 { 1.234321234321234e26, "123432123432123************.000000" },
969 { 1.234321234321234e27, "123432123432123*************.000000" },
970 { 1.234321234321234e28, "123432123432123**************.000000" },
971 { 1.234321234321234e29, "123432123432123***************.000000" },
972 { 1.234321234321234e30, "123432123432123****************.000000" },
973 { 1.234321234321234e31, "123432123432123*****************.000000" },
974 { 1.234321234321234e32, "123432123432123******************.000000" },
975 { 1.234321234321234e33, "123432123432123*******************.000000" },
976 { 1.234321234321234e34, "123432123432123********************.000000" },
977 { 1.234321234321234e35, "123432123432123*********************.000000" },
978 { 1.234321234321234e36, "123432123432123**********************.000000" }
981 for (k = 0; k < SIZEOF (data); k++)
985 my_asprintf (&result, "%f", data[k].value);
986 ASSERT (result != NULL);
987 ASSERT (strmatch (data[k].string, result));
988 ASSERT (retval == strlen (result));
993 { /* A negative number. */
996 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
997 ASSERT (result != NULL);
998 ASSERT (strcmp (result, "-0.031250 33") == 0);
999 ASSERT (retval == strlen (result));
1003 { /* Positive zero. */
1006 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1007 ASSERT (result != NULL);
1008 ASSERT (strcmp (result, "0.000000 33") == 0);
1009 ASSERT (retval == strlen (result));
1013 { /* Negative zero. */
1016 my_asprintf (&result, "%f %d", minus_zerod, 33, 44, 55);
1017 ASSERT (result != NULL);
1018 if (have_minus_zero ())
1019 ASSERT (strcmp (result, "-0.000000 33") == 0);
1020 ASSERT (retval == strlen (result));
1024 { /* Positive infinity. */
1027 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1028 ASSERT (result != NULL);
1029 ASSERT (strcmp (result, "inf 33") == 0
1030 || strcmp (result, "infinity 33") == 0);
1031 ASSERT (retval == strlen (result));
1035 { /* Negative infinity. */
1038 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1039 ASSERT (result != NULL);
1040 ASSERT (strcmp (result, "-inf 33") == 0
1041 || strcmp (result, "-infinity 33") == 0);
1042 ASSERT (retval == strlen (result));
1049 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1050 ASSERT (result != NULL);
1051 ASSERT (strlen (result) >= 3 + 3
1052 && strisnan (result, 0, strlen (result) - 3, 0)
1053 && strcmp (result + strlen (result) - 3, " 33") == 0);
1054 ASSERT (retval == strlen (result));
1061 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1062 ASSERT (result != NULL);
1063 ASSERT (strcmp (result, " 1.750000 33") == 0);
1064 ASSERT (retval == strlen (result));
1071 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1072 ASSERT (result != NULL);
1073 ASSERT (strcmp (result, "1.750000 33") == 0);
1074 ASSERT (retval == strlen (result));
1078 { /* FLAG_SHOWSIGN. */
1081 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1082 ASSERT (result != NULL);
1083 ASSERT (strcmp (result, "+1.750000 33") == 0);
1084 ASSERT (retval == strlen (result));
1091 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1092 ASSERT (result != NULL);
1093 ASSERT (strcmp (result, " 1.750000 33") == 0);
1094 ASSERT (retval == strlen (result));
1101 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1102 ASSERT (result != NULL);
1103 ASSERT (strcmp (result, "1.750000 33") == 0);
1104 ASSERT (retval == strlen (result));
1111 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1112 ASSERT (result != NULL);
1113 ASSERT (strcmp (result, "2. 33") == 0);
1114 ASSERT (retval == strlen (result));
1118 { /* FLAG_ZERO with finite number. */
1121 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1122 ASSERT (result != NULL);
1123 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1124 ASSERT (retval == strlen (result));
1128 { /* FLAG_ZERO with infinite number. */
1131 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1132 ASSERT (result != NULL);
1133 ASSERT (strcmp (result, " -inf 33") == 0
1134 || strcmp (result, " -infinity 33") == 0);
1135 ASSERT (retval == strlen (result));
1139 { /* FLAG_ZERO with NaN. */
1142 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strlen (result) == 50 + 3
1145 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1146 && strcmp (result + strlen (result) - 3, " 33") == 0);
1147 ASSERT (retval == strlen (result));
1154 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1155 ASSERT (result != NULL);
1156 ASSERT (strcmp (result, "1234 33") == 0);
1157 ASSERT (retval == strlen (result));
1161 { /* Precision with no rounding. */
1164 my_asprintf (&result, "%.2f %d", 999.951, 33, 44, 55);
1165 ASSERT (result != NULL);
1166 ASSERT (strcmp (result, "999.95 33") == 0);
1167 ASSERT (retval == strlen (result));
1171 { /* Precision with rounding. */
1174 my_asprintf (&result, "%.2f %d", 999.996, 33, 44, 55);
1175 ASSERT (result != NULL);
1176 ASSERT (strcmp (result, "1000.00 33") == 0);
1177 ASSERT (retval == strlen (result));
1181 { /* A positive number. */
1184 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1185 ASSERT (result != NULL);
1186 ASSERT (strcmp (result, "12.750000 33") == 0);
1187 ASSERT (retval == strlen (result));
1191 { /* A larger positive number. */
1194 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1195 ASSERT (result != NULL);
1196 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1197 ASSERT (retval == strlen (result));
1201 { /* Small and large positive numbers. */
1202 static struct { long double value; const char *string; } data[] =
1204 { 1.234321234321234e-37L, "0.000000" },
1205 { 1.234321234321234e-36L, "0.000000" },
1206 { 1.234321234321234e-35L, "0.000000" },
1207 { 1.234321234321234e-34L, "0.000000" },
1208 { 1.234321234321234e-33L, "0.000000" },
1209 { 1.234321234321234e-32L, "0.000000" },
1210 { 1.234321234321234e-31L, "0.000000" },
1211 { 1.234321234321234e-30L, "0.000000" },
1212 { 1.234321234321234e-29L, "0.000000" },
1213 { 1.234321234321234e-28L, "0.000000" },
1214 { 1.234321234321234e-27L, "0.000000" },
1215 { 1.234321234321234e-26L, "0.000000" },
1216 { 1.234321234321234e-25L, "0.000000" },
1217 { 1.234321234321234e-24L, "0.000000" },
1218 { 1.234321234321234e-23L, "0.000000" },
1219 { 1.234321234321234e-22L, "0.000000" },
1220 { 1.234321234321234e-21L, "0.000000" },
1221 { 1.234321234321234e-20L, "0.000000" },
1222 { 1.234321234321234e-19L, "0.000000" },
1223 { 1.234321234321234e-18L, "0.000000" },
1224 { 1.234321234321234e-17L, "0.000000" },
1225 { 1.234321234321234e-16L, "0.000000" },
1226 { 1.234321234321234e-15L, "0.000000" },
1227 { 1.234321234321234e-14L, "0.000000" },
1228 { 1.234321234321234e-13L, "0.000000" },
1229 { 1.234321234321234e-12L, "0.000000" },
1230 { 1.234321234321234e-11L, "0.000000" },
1231 { 1.234321234321234e-10L, "0.000000" },
1232 { 1.234321234321234e-9L, "0.000000" },
1233 { 1.234321234321234e-8L, "0.000000" },
1234 { 1.234321234321234e-7L, "0.000000" },
1235 { 1.234321234321234e-6L, "0.000001" },
1236 { 1.234321234321234e-5L, "0.000012" },
1237 { 1.234321234321234e-4L, "0.000123" },
1238 { 1.234321234321234e-3L, "0.001234" },
1239 { 1.234321234321234e-2L, "0.012343" },
1240 { 1.234321234321234e-1L, "0.123432" },
1241 { 1.234321234321234L, "1.234321" },
1242 { 1.234321234321234e1L, "12.343212" },
1243 { 1.234321234321234e2L, "123.432123" },
1244 { 1.234321234321234e3L, "1234.321234" },
1245 { 1.234321234321234e4L, "12343.212343" },
1246 { 1.234321234321234e5L, "123432.123432" },
1247 { 1.234321234321234e6L, "1234321.234321" },
1248 { 1.234321234321234e7L, "12343212.343212" },
1249 { 1.234321234321234e8L, "123432123.432123" },
1250 { 1.234321234321234e9L, "1234321234.321234" },
1251 { 1.234321234321234e10L, "12343212343.2123**" },
1252 { 1.234321234321234e11L, "123432123432.123***" },
1253 { 1.234321234321234e12L, "1234321234321.23****" },
1254 { 1.234321234321234e13L, "12343212343212.3*****" },
1255 { 1.234321234321234e14L, "123432123432123.******" },
1256 { 1.234321234321234e15L, "1234321234321234.000000" },
1257 { 1.234321234321234e16L, "123432123432123**.000000" },
1258 { 1.234321234321234e17L, "123432123432123***.000000" },
1259 { 1.234321234321234e18L, "123432123432123****.000000" },
1260 { 1.234321234321234e19L, "123432123432123*****.000000" },
1261 { 1.234321234321234e20L, "123432123432123******.000000" },
1262 { 1.234321234321234e21L, "123432123432123*******.000000" },
1263 { 1.234321234321234e22L, "123432123432123********.000000" },
1264 { 1.234321234321234e23L, "123432123432123*********.000000" },
1265 { 1.234321234321234e24L, "123432123432123**********.000000" },
1266 { 1.234321234321234e25L, "123432123432123***********.000000" },
1267 { 1.234321234321234e26L, "123432123432123************.000000" },
1268 { 1.234321234321234e27L, "123432123432123*************.000000" },
1269 { 1.234321234321234e28L, "123432123432123**************.000000" },
1270 { 1.234321234321234e29L, "123432123432123***************.000000" },
1271 { 1.234321234321234e30L, "123432123432123****************.000000" },
1272 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1273 { 1.234321234321234e32L, "123432123432123******************.000000" },
1274 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1275 { 1.234321234321234e34L, "123432123432123********************.000000" },
1276 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1277 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1280 for (k = 0; k < SIZEOF (data); k++)
1284 my_asprintf (&result, "%Lf", data[k].value);
1285 ASSERT (result != NULL);
1286 ASSERT (strmatch (data[k].string, result));
1287 ASSERT (retval == strlen (result));
1292 { /* A negative number. */
1295 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1296 ASSERT (result != NULL);
1297 ASSERT (strcmp (result, "-0.031250 33") == 0);
1298 ASSERT (retval == strlen (result));
1302 { /* Positive zero. */
1305 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1306 ASSERT (result != NULL);
1307 ASSERT (strcmp (result, "0.000000 33") == 0);
1308 ASSERT (retval == strlen (result));
1312 { /* Negative zero. */
1315 my_asprintf (&result, "%Lf %d", minus_zerol, 33, 44, 55);
1316 ASSERT (result != NULL);
1317 if (have_minus_zero ())
1318 ASSERT (strcmp (result, "-0.000000 33") == 0);
1319 ASSERT (retval == strlen (result));
1323 { /* Positive infinity. */
1326 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1327 ASSERT (result != NULL);
1328 ASSERT (strcmp (result, "inf 33") == 0
1329 || strcmp (result, "infinity 33") == 0);
1330 ASSERT (retval == strlen (result));
1334 { /* Negative infinity. */
1337 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1338 ASSERT (result != NULL);
1339 ASSERT (strcmp (result, "-inf 33") == 0
1340 || strcmp (result, "-infinity 33") == 0);
1341 ASSERT (retval == strlen (result));
1348 my_asprintf (&result, "%Lf %d", NaNl (), 33, 44, 55);
1349 ASSERT (result != NULL);
1350 ASSERT (strlen (result) >= 3 + 3
1351 && strisnan (result, 0, strlen (result) - 3, 0)
1352 && strcmp (result + strlen (result) - 3, " 33") == 0);
1353 ASSERT (retval == strlen (result));
1356 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
1358 static union { unsigned int word[4]; long double value; } x =
1359 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1362 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1363 ASSERT (result != NULL);
1364 ASSERT (strlen (result) >= 3 + 3
1365 && strisnan (result, 0, strlen (result) - 3, 0)
1366 && strcmp (result + strlen (result) - 3, " 33") == 0);
1367 ASSERT (retval == strlen (result));
1371 /* Signalling NaN. */
1372 static union { unsigned int word[4]; long double value; } x =
1373 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1376 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1377 ASSERT (result != NULL);
1378 ASSERT (strlen (result) >= 3 + 3
1379 && strisnan (result, 0, strlen (result) - 3, 0)
1380 && strcmp (result + strlen (result) - 3, " 33") == 0);
1381 ASSERT (retval == strlen (result));
1384 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1385 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1386 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1387 Application Architecture.
1388 Table 5-2 "Floating-Point Register Encodings"
1389 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1392 static union { unsigned int word[4]; long double value; } x =
1393 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1396 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1397 ASSERT (result != NULL);
1398 ASSERT (strlen (result) >= 3 + 3
1399 && strisnan (result, 0, strlen (result) - 3, 0)
1400 && strcmp (result + strlen (result) - 3, " 33") == 0);
1401 ASSERT (retval == strlen (result));
1404 { /* Pseudo-Infinity. */
1405 static union { unsigned int word[4]; long double value; } x =
1406 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1409 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1410 ASSERT (result != NULL);
1411 ASSERT (strlen (result) >= 3 + 3
1412 && strisnan (result, 0, strlen (result) - 3, 0)
1413 && strcmp (result + strlen (result) - 3, " 33") == 0);
1414 ASSERT (retval == strlen (result));
1417 { /* Pseudo-Zero. */
1418 static union { unsigned int word[4]; long double value; } x =
1419 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1422 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1423 ASSERT (result != NULL);
1424 ASSERT (strlen (result) >= 3 + 3
1425 && strisnan (result, 0, strlen (result) - 3, 0)
1426 && strcmp (result + strlen (result) - 3, " 33") == 0);
1427 ASSERT (retval == strlen (result));
1430 { /* Unnormalized number. */
1431 static union { unsigned int word[4]; long double value; } x =
1432 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1435 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1436 ASSERT (result != NULL);
1437 ASSERT (strlen (result) >= 3 + 3
1438 && strisnan (result, 0, strlen (result) - 3, 0)
1439 && strcmp (result + strlen (result) - 3, " 33") == 0);
1440 ASSERT (retval == strlen (result));
1443 { /* Pseudo-Denormal. */
1444 static union { unsigned int word[4]; long double value; } x =
1445 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1448 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1449 ASSERT (result != NULL);
1450 ASSERT (strlen (result) >= 3 + 3
1451 && strisnan (result, 0, strlen (result) - 3, 0)
1452 && strcmp (result + strlen (result) - 3, " 33") == 0);
1453 ASSERT (retval == strlen (result));
1461 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1462 ASSERT (result != NULL);
1463 ASSERT (strcmp (result, " 1.750000 33") == 0);
1464 ASSERT (retval == strlen (result));
1471 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1472 ASSERT (result != NULL);
1473 ASSERT (strcmp (result, "1.750000 33") == 0);
1474 ASSERT (retval == strlen (result));
1478 { /* FLAG_SHOWSIGN. */
1481 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1482 ASSERT (result != NULL);
1483 ASSERT (strcmp (result, "+1.750000 33") == 0);
1484 ASSERT (retval == strlen (result));
1491 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1492 ASSERT (result != NULL);
1493 ASSERT (strcmp (result, " 1.750000 33") == 0);
1494 ASSERT (retval == strlen (result));
1501 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1502 ASSERT (result != NULL);
1503 ASSERT (strcmp (result, "1.750000 33") == 0);
1504 ASSERT (retval == strlen (result));
1511 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1512 ASSERT (result != NULL);
1513 ASSERT (strcmp (result, "2. 33") == 0);
1514 ASSERT (retval == strlen (result));
1518 { /* FLAG_ZERO with finite number. */
1521 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1522 ASSERT (result != NULL);
1523 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1524 ASSERT (retval == strlen (result));
1528 { /* FLAG_ZERO with infinite number. */
1531 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1532 ASSERT (result != NULL);
1533 ASSERT (strcmp (result, " -inf 33") == 0
1534 || strcmp (result, " -infinity 33") == 0);
1535 ASSERT (retval == strlen (result));
1539 { /* FLAG_ZERO with NaN. */
1542 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1543 ASSERT (result != NULL);
1544 ASSERT (strlen (result) == 50 + 3
1545 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1546 && strcmp (result + strlen (result) - 3, " 33") == 0);
1547 ASSERT (retval == strlen (result));
1554 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1555 ASSERT (result != NULL);
1556 ASSERT (strcmp (result, "1234 33") == 0);
1557 ASSERT (retval == strlen (result));
1561 { /* Precision with no rounding. */
1564 my_asprintf (&result, "%.2Lf %d", 999.951L, 33, 44, 55);
1565 ASSERT (result != NULL);
1566 ASSERT (strcmp (result, "999.95 33") == 0);
1567 ASSERT (retval == strlen (result));
1571 { /* Precision with rounding. */
1574 my_asprintf (&result, "%.2Lf %d", 999.996L, 33, 44, 55);
1575 ASSERT (result != NULL);
1576 ASSERT (strcmp (result, "1000.00 33") == 0);
1577 ASSERT (retval == strlen (result));
1581 /* Test the support of the %F format directive. */
1583 { /* A positive number. */
1586 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1587 ASSERT (result != NULL);
1588 ASSERT (strcmp (result, "12.750000 33") == 0);
1589 ASSERT (retval == strlen (result));
1593 { /* A larger positive number. */
1596 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1597 ASSERT (result != NULL);
1598 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1599 ASSERT (retval == strlen (result));
1603 { /* A negative number. */
1606 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1607 ASSERT (result != NULL);
1608 ASSERT (strcmp (result, "-0.031250 33") == 0);
1609 ASSERT (retval == strlen (result));
1613 { /* Positive zero. */
1616 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1617 ASSERT (result != NULL);
1618 ASSERT (strcmp (result, "0.000000 33") == 0);
1619 ASSERT (retval == strlen (result));
1623 { /* Negative zero. */
1626 my_asprintf (&result, "%F %d", minus_zerod, 33, 44, 55);
1627 ASSERT (result != NULL);
1628 if (have_minus_zero ())
1629 ASSERT (strcmp (result, "-0.000000 33") == 0);
1630 ASSERT (retval == strlen (result));
1634 { /* Positive infinity. */
1637 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1638 ASSERT (result != NULL);
1639 ASSERT (strcmp (result, "INF 33") == 0
1640 || strcmp (result, "INFINITY 33") == 0);
1641 ASSERT (retval == strlen (result));
1645 { /* Negative infinity. */
1648 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1649 ASSERT (result != NULL);
1650 ASSERT (strcmp (result, "-INF 33") == 0
1651 || strcmp (result, "-INFINITY 33") == 0);
1652 ASSERT (retval == strlen (result));
1659 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1660 ASSERT (result != NULL);
1661 ASSERT (strlen (result) >= 3 + 3
1662 && strisnan (result, 0, strlen (result) - 3, 1)
1663 && strcmp (result + strlen (result) - 3, " 33") == 0);
1664 ASSERT (retval == strlen (result));
1671 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1672 ASSERT (result != NULL);
1673 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1674 ASSERT (retval == strlen (result));
1678 { /* FLAG_ZERO with infinite number. */
1681 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1682 ASSERT (result != NULL);
1683 ASSERT (strcmp (result, " -INF 33") == 0
1684 || strcmp (result, " -INFINITY 33") == 0);
1685 ASSERT (retval == strlen (result));
1692 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1693 ASSERT (result != NULL);
1694 ASSERT (strcmp (result, "1234 33") == 0);
1695 ASSERT (retval == strlen (result));
1699 { /* Precision with no rounding. */
1702 my_asprintf (&result, "%.2F %d", 999.951, 33, 44, 55);
1703 ASSERT (result != NULL);
1704 ASSERT (strcmp (result, "999.95 33") == 0);
1705 ASSERT (retval == strlen (result));
1709 { /* Precision with rounding. */
1712 my_asprintf (&result, "%.2F %d", 999.996, 33, 44, 55);
1713 ASSERT (result != NULL);
1714 ASSERT (strcmp (result, "1000.00 33") == 0);
1715 ASSERT (retval == strlen (result));
1719 { /* A positive number. */
1722 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1723 ASSERT (result != NULL);
1724 ASSERT (strcmp (result, "12.750000 33") == 0);
1725 ASSERT (retval == strlen (result));
1729 { /* A larger positive number. */
1732 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1733 ASSERT (result != NULL);
1734 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1735 ASSERT (retval == strlen (result));
1739 { /* A negative number. */
1742 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1743 ASSERT (result != NULL);
1744 ASSERT (strcmp (result, "-0.031250 33") == 0);
1745 ASSERT (retval == strlen (result));
1749 { /* Positive zero. */
1752 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1753 ASSERT (result != NULL);
1754 ASSERT (strcmp (result, "0.000000 33") == 0);
1755 ASSERT (retval == strlen (result));
1759 { /* Negative zero. */
1762 my_asprintf (&result, "%LF %d", minus_zerol, 33, 44, 55);
1763 ASSERT (result != NULL);
1764 if (have_minus_zero ())
1765 ASSERT (strcmp (result, "-0.000000 33") == 0);
1766 ASSERT (retval == strlen (result));
1770 { /* Positive infinity. */
1773 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1774 ASSERT (result != NULL);
1775 ASSERT (strcmp (result, "INF 33") == 0
1776 || strcmp (result, "INFINITY 33") == 0);
1777 ASSERT (retval == strlen (result));
1781 { /* Negative infinity. */
1784 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1785 ASSERT (result != NULL);
1786 ASSERT (strcmp (result, "-INF 33") == 0
1787 || strcmp (result, "-INFINITY 33") == 0);
1788 ASSERT (retval == strlen (result));
1795 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1796 ASSERT (result != NULL);
1797 ASSERT (strlen (result) >= 3 + 3
1798 && strisnan (result, 0, strlen (result) - 3, 1)
1799 && strcmp (result + strlen (result) - 3, " 33") == 0);
1800 ASSERT (retval == strlen (result));
1807 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1808 ASSERT (result != NULL);
1809 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1810 ASSERT (retval == strlen (result));
1814 { /* FLAG_ZERO with infinite number. */
1817 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1818 ASSERT (result != NULL);
1819 ASSERT (strcmp (result, " -INF 33") == 0
1820 || strcmp (result, " -INFINITY 33") == 0);
1821 ASSERT (retval == strlen (result));
1828 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1829 ASSERT (result != NULL);
1830 ASSERT (strcmp (result, "1234 33") == 0);
1831 ASSERT (retval == strlen (result));
1835 { /* Precision with no rounding. */
1838 my_asprintf (&result, "%.2LF %d", 999.951L, 33, 44, 55);
1839 ASSERT (result != NULL);
1840 ASSERT (strcmp (result, "999.95 33") == 0);
1841 ASSERT (retval == strlen (result));
1845 { /* Precision with rounding. */
1848 my_asprintf (&result, "%.2LF %d", 999.996L, 33, 44, 55);
1849 ASSERT (result != NULL);
1850 ASSERT (strcmp (result, "1000.00 33") == 0);
1851 ASSERT (retval == strlen (result));
1855 /* Test the support of the %e format directive. */
1857 { /* A positive number. */
1860 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1861 ASSERT (result != NULL);
1862 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1863 || strcmp (result, "1.275000e+001 33") == 0);
1864 ASSERT (retval == strlen (result));
1868 { /* A larger positive number. */
1871 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1872 ASSERT (result != NULL);
1873 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1874 || strcmp (result, "1.234567e+006 33") == 0);
1875 ASSERT (retval == strlen (result));
1879 { /* Small and large positive numbers. */
1880 static struct { double value; const char *string; } data[] =
1882 { 1.234321234321234e-37, "1.234321e-37" },
1883 { 1.234321234321234e-36, "1.234321e-36" },
1884 { 1.234321234321234e-35, "1.234321e-35" },
1885 { 1.234321234321234e-34, "1.234321e-34" },
1886 { 1.234321234321234e-33, "1.234321e-33" },
1887 { 1.234321234321234e-32, "1.234321e-32" },
1888 { 1.234321234321234e-31, "1.234321e-31" },
1889 { 1.234321234321234e-30, "1.234321e-30" },
1890 { 1.234321234321234e-29, "1.234321e-29" },
1891 { 1.234321234321234e-28, "1.234321e-28" },
1892 { 1.234321234321234e-27, "1.234321e-27" },
1893 { 1.234321234321234e-26, "1.234321e-26" },
1894 { 1.234321234321234e-25, "1.234321e-25" },
1895 { 1.234321234321234e-24, "1.234321e-24" },
1896 { 1.234321234321234e-23, "1.234321e-23" },
1897 { 1.234321234321234e-22, "1.234321e-22" },
1898 { 1.234321234321234e-21, "1.234321e-21" },
1899 { 1.234321234321234e-20, "1.234321e-20" },
1900 { 1.234321234321234e-19, "1.234321e-19" },
1901 { 1.234321234321234e-18, "1.234321e-18" },
1902 { 1.234321234321234e-17, "1.234321e-17" },
1903 { 1.234321234321234e-16, "1.234321e-16" },
1904 { 1.234321234321234e-15, "1.234321e-15" },
1905 { 1.234321234321234e-14, "1.234321e-14" },
1906 { 1.234321234321234e-13, "1.234321e-13" },
1907 { 1.234321234321234e-12, "1.234321e-12" },
1908 { 1.234321234321234e-11, "1.234321e-11" },
1909 { 1.234321234321234e-10, "1.234321e-10" },
1910 { 1.234321234321234e-9, "1.234321e-09" },
1911 { 1.234321234321234e-8, "1.234321e-08" },
1912 { 1.234321234321234e-7, "1.234321e-07" },
1913 { 1.234321234321234e-6, "1.234321e-06" },
1914 { 1.234321234321234e-5, "1.234321e-05" },
1915 { 1.234321234321234e-4, "1.234321e-04" },
1916 { 1.234321234321234e-3, "1.234321e-03" },
1917 { 1.234321234321234e-2, "1.234321e-02" },
1918 { 1.234321234321234e-1, "1.234321e-01" },
1919 { 1.234321234321234, "1.234321e+00" },
1920 { 1.234321234321234e1, "1.234321e+01" },
1921 { 1.234321234321234e2, "1.234321e+02" },
1922 { 1.234321234321234e3, "1.234321e+03" },
1923 { 1.234321234321234e4, "1.234321e+04" },
1924 { 1.234321234321234e5, "1.234321e+05" },
1925 { 1.234321234321234e6, "1.234321e+06" },
1926 { 1.234321234321234e7, "1.234321e+07" },
1927 { 1.234321234321234e8, "1.234321e+08" },
1928 { 1.234321234321234e9, "1.234321e+09" },
1929 { 1.234321234321234e10, "1.234321e+10" },
1930 { 1.234321234321234e11, "1.234321e+11" },
1931 { 1.234321234321234e12, "1.234321e+12" },
1932 { 1.234321234321234e13, "1.234321e+13" },
1933 { 1.234321234321234e14, "1.234321e+14" },
1934 { 1.234321234321234e15, "1.234321e+15" },
1935 { 1.234321234321234e16, "1.234321e+16" },
1936 { 1.234321234321234e17, "1.234321e+17" },
1937 { 1.234321234321234e18, "1.234321e+18" },
1938 { 1.234321234321234e19, "1.234321e+19" },
1939 { 1.234321234321234e20, "1.234321e+20" },
1940 { 1.234321234321234e21, "1.234321e+21" },
1941 { 1.234321234321234e22, "1.234321e+22" },
1942 { 1.234321234321234e23, "1.234321e+23" },
1943 { 1.234321234321234e24, "1.234321e+24" },
1944 { 1.234321234321234e25, "1.234321e+25" },
1945 { 1.234321234321234e26, "1.234321e+26" },
1946 { 1.234321234321234e27, "1.234321e+27" },
1947 { 1.234321234321234e28, "1.234321e+28" },
1948 { 1.234321234321234e29, "1.234321e+29" },
1949 { 1.234321234321234e30, "1.234321e+30" },
1950 { 1.234321234321234e31, "1.234321e+31" },
1951 { 1.234321234321234e32, "1.234321e+32" },
1952 { 1.234321234321234e33, "1.234321e+33" },
1953 { 1.234321234321234e34, "1.234321e+34" },
1954 { 1.234321234321234e35, "1.234321e+35" },
1955 { 1.234321234321234e36, "1.234321e+36" }
1958 for (k = 0; k < SIZEOF (data); k++)
1962 my_asprintf (&result, "%e", data[k].value);
1963 const char *expected = data[k].string;
1964 ASSERT (result != NULL);
1965 ASSERT (strcmp (result, expected) == 0
1966 /* Some implementations produce exponents with 3 digits. */
1967 || (strlen (result) == strlen (expected) + 1
1968 && memcmp (result, expected, strlen (expected) - 2) == 0
1969 && result[strlen (expected) - 2] == '0'
1970 && strcmp (result + strlen (expected) - 1,
1971 expected + strlen (expected) - 2)
1973 ASSERT (retval == strlen (result));
1978 { /* A negative number. */
1981 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
1982 ASSERT (result != NULL);
1983 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1984 || strcmp (result, "-3.125000e-002 33") == 0);
1985 ASSERT (retval == strlen (result));
1989 { /* Positive zero. */
1992 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
1993 ASSERT (result != NULL);
1994 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1995 || strcmp (result, "0.000000e+000 33") == 0);
1996 ASSERT (retval == strlen (result));
2000 { /* Negative zero. */
2003 my_asprintf (&result, "%e %d", minus_zerod, 33, 44, 55);
2004 ASSERT (result != NULL);
2005 if (have_minus_zero ())
2006 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2007 || strcmp (result, "-0.000000e+000 33") == 0);
2008 ASSERT (retval == strlen (result));
2012 { /* Positive infinity. */
2015 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
2016 ASSERT (result != NULL);
2017 ASSERT (strcmp (result, "inf 33") == 0
2018 || strcmp (result, "infinity 33") == 0);
2019 ASSERT (retval == strlen (result));
2023 { /* Negative infinity. */
2026 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
2027 ASSERT (result != NULL);
2028 ASSERT (strcmp (result, "-inf 33") == 0
2029 || strcmp (result, "-infinity 33") == 0);
2030 ASSERT (retval == strlen (result));
2037 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
2038 ASSERT (result != NULL);
2039 ASSERT (strlen (result) >= 3 + 3
2040 && strisnan (result, 0, strlen (result) - 3, 0)
2041 && strcmp (result + strlen (result) - 3, " 33") == 0);
2042 ASSERT (retval == strlen (result));
2049 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
2050 ASSERT (result != NULL);
2051 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2052 || strcmp (result, " 1.750000e+000 33") == 0);
2053 ASSERT (retval == strlen (result));
2060 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
2061 ASSERT (result != NULL);
2062 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2063 || strcmp (result, "1.750000e+000 33") == 0);
2064 ASSERT (retval == strlen (result));
2068 { /* FLAG_SHOWSIGN. */
2071 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2072 ASSERT (result != NULL);
2073 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2074 || strcmp (result, "+1.750000e+000 33") == 0);
2075 ASSERT (retval == strlen (result));
2082 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2083 ASSERT (result != NULL);
2084 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2085 || strcmp (result, " 1.750000e+000 33") == 0);
2086 ASSERT (retval == strlen (result));
2093 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2094 ASSERT (result != NULL);
2095 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2096 || strcmp (result, "1.750000e+000 33") == 0);
2097 ASSERT (retval == strlen (result));
2104 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2105 ASSERT (result != NULL);
2106 ASSERT (strcmp (result, "2.e+00 33") == 0
2107 || strcmp (result, "2.e+000 33") == 0);
2108 ASSERT (retval == strlen (result));
2115 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2116 ASSERT (result != NULL);
2117 ASSERT (strcmp (result, "1.e+01 33") == 0
2118 || strcmp (result, "1.e+001 33") == 0);
2119 ASSERT (retval == strlen (result));
2123 { /* FLAG_ZERO with finite number. */
2126 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2127 ASSERT (result != NULL);
2128 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2129 || strcmp (result, "001.234000e+003 33") == 0);
2130 ASSERT (retval == strlen (result));
2134 { /* FLAG_ZERO with infinite number. */
2137 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2138 ASSERT (result != NULL);
2139 ASSERT (strcmp (result, " -inf 33") == 0
2140 || strcmp (result, " -infinity 33") == 0);
2141 ASSERT (retval == strlen (result));
2145 { /* FLAG_ZERO with NaN. */
2148 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2149 ASSERT (result != NULL);
2150 ASSERT (strlen (result) == 50 + 3
2151 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2152 && strcmp (result + strlen (result) - 3, " 33") == 0);
2153 ASSERT (retval == strlen (result));
2160 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2161 ASSERT (result != NULL);
2162 ASSERT (strcmp (result, "1e+03 33") == 0
2163 || strcmp (result, "1e+003 33") == 0);
2164 ASSERT (retval == strlen (result));
2168 { /* Precision with no rounding. */
2171 my_asprintf (&result, "%.4e %d", 999.951, 33, 44, 55);
2172 ASSERT (result != NULL);
2173 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2174 || strcmp (result, "9.9995e+002 33") == 0);
2175 ASSERT (retval == strlen (result));
2179 { /* Precision with rounding. */
2182 my_asprintf (&result, "%.4e %d", 999.996, 33, 44, 55);
2183 ASSERT (result != NULL);
2184 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2185 || strcmp (result, "1.0000e+003 33") == 0);
2186 ASSERT (retval == strlen (result));
2190 { /* A positive number. */
2193 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2194 ASSERT (result != NULL);
2195 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2196 || strcmp (result, "1.275000e+001 33") == 0);
2197 ASSERT (retval == strlen (result));
2201 { /* A larger positive number. */
2204 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2205 ASSERT (result != NULL);
2206 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2207 || strcmp (result, "1.234567e+006 33") == 0);
2208 ASSERT (retval == strlen (result));
2212 { /* Small and large positive numbers. */
2213 static struct { long double value; const char *string; } data[] =
2215 { 1.234321234321234e-37L, "1.234321e-37" },
2216 { 1.234321234321234e-36L, "1.234321e-36" },
2217 { 1.234321234321234e-35L, "1.234321e-35" },
2218 { 1.234321234321234e-34L, "1.234321e-34" },
2219 { 1.234321234321234e-33L, "1.234321e-33" },
2220 { 1.234321234321234e-32L, "1.234321e-32" },
2221 { 1.234321234321234e-31L, "1.234321e-31" },
2222 { 1.234321234321234e-30L, "1.234321e-30" },
2223 { 1.234321234321234e-29L, "1.234321e-29" },
2224 { 1.234321234321234e-28L, "1.234321e-28" },
2225 { 1.234321234321234e-27L, "1.234321e-27" },
2226 { 1.234321234321234e-26L, "1.234321e-26" },
2227 { 1.234321234321234e-25L, "1.234321e-25" },
2228 { 1.234321234321234e-24L, "1.234321e-24" },
2229 { 1.234321234321234e-23L, "1.234321e-23" },
2230 { 1.234321234321234e-22L, "1.234321e-22" },
2231 { 1.234321234321234e-21L, "1.234321e-21" },
2232 { 1.234321234321234e-20L, "1.234321e-20" },
2233 { 1.234321234321234e-19L, "1.234321e-19" },
2234 { 1.234321234321234e-18L, "1.234321e-18" },
2235 { 1.234321234321234e-17L, "1.234321e-17" },
2236 { 1.234321234321234e-16L, "1.234321e-16" },
2237 { 1.234321234321234e-15L, "1.234321e-15" },
2238 { 1.234321234321234e-14L, "1.234321e-14" },
2239 { 1.234321234321234e-13L, "1.234321e-13" },
2240 { 1.234321234321234e-12L, "1.234321e-12" },
2241 { 1.234321234321234e-11L, "1.234321e-11" },
2242 { 1.234321234321234e-10L, "1.234321e-10" },
2243 { 1.234321234321234e-9L, "1.234321e-09" },
2244 { 1.234321234321234e-8L, "1.234321e-08" },
2245 { 1.234321234321234e-7L, "1.234321e-07" },
2246 { 1.234321234321234e-6L, "1.234321e-06" },
2247 { 1.234321234321234e-5L, "1.234321e-05" },
2248 { 1.234321234321234e-4L, "1.234321e-04" },
2249 { 1.234321234321234e-3L, "1.234321e-03" },
2250 { 1.234321234321234e-2L, "1.234321e-02" },
2251 { 1.234321234321234e-1L, "1.234321e-01" },
2252 { 1.234321234321234L, "1.234321e+00" },
2253 { 1.234321234321234e1L, "1.234321e+01" },
2254 { 1.234321234321234e2L, "1.234321e+02" },
2255 { 1.234321234321234e3L, "1.234321e+03" },
2256 { 1.234321234321234e4L, "1.234321e+04" },
2257 { 1.234321234321234e5L, "1.234321e+05" },
2258 { 1.234321234321234e6L, "1.234321e+06" },
2259 { 1.234321234321234e7L, "1.234321e+07" },
2260 { 1.234321234321234e8L, "1.234321e+08" },
2261 { 1.234321234321234e9L, "1.234321e+09" },
2262 { 1.234321234321234e10L, "1.234321e+10" },
2263 { 1.234321234321234e11L, "1.234321e+11" },
2264 { 1.234321234321234e12L, "1.234321e+12" },
2265 { 1.234321234321234e13L, "1.234321e+13" },
2266 { 1.234321234321234e14L, "1.234321e+14" },
2267 { 1.234321234321234e15L, "1.234321e+15" },
2268 { 1.234321234321234e16L, "1.234321e+16" },
2269 { 1.234321234321234e17L, "1.234321e+17" },
2270 { 1.234321234321234e18L, "1.234321e+18" },
2271 { 1.234321234321234e19L, "1.234321e+19" },
2272 { 1.234321234321234e20L, "1.234321e+20" },
2273 { 1.234321234321234e21L, "1.234321e+21" },
2274 { 1.234321234321234e22L, "1.234321e+22" },
2275 { 1.234321234321234e23L, "1.234321e+23" },
2276 { 1.234321234321234e24L, "1.234321e+24" },
2277 { 1.234321234321234e25L, "1.234321e+25" },
2278 { 1.234321234321234e26L, "1.234321e+26" },
2279 { 1.234321234321234e27L, "1.234321e+27" },
2280 { 1.234321234321234e28L, "1.234321e+28" },
2281 { 1.234321234321234e29L, "1.234321e+29" },
2282 { 1.234321234321234e30L, "1.234321e+30" },
2283 { 1.234321234321234e31L, "1.234321e+31" },
2284 { 1.234321234321234e32L, "1.234321e+32" },
2285 { 1.234321234321234e33L, "1.234321e+33" },
2286 { 1.234321234321234e34L, "1.234321e+34" },
2287 { 1.234321234321234e35L, "1.234321e+35" },
2288 { 1.234321234321234e36L, "1.234321e+36" }
2291 for (k = 0; k < SIZEOF (data); k++)
2295 my_asprintf (&result, "%Le", data[k].value);
2296 const char *expected = data[k].string;
2297 ASSERT (result != NULL);
2298 ASSERT (strcmp (result, expected) == 0
2299 /* Some implementations produce exponents with 3 digits. */
2300 || (strlen (result) == strlen (expected) + 1
2301 && memcmp (result, expected, strlen (expected) - 2) == 0
2302 && result[strlen (expected) - 2] == '0'
2303 && strcmp (result + strlen (expected) - 1,
2304 expected + strlen (expected) - 2)
2306 ASSERT (retval == strlen (result));
2311 { /* A negative number. */
2314 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2315 ASSERT (result != NULL);
2316 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2317 || strcmp (result, "-3.125000e-002 33") == 0);
2318 ASSERT (retval == strlen (result));
2322 { /* Positive zero. */
2325 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2326 ASSERT (result != NULL);
2327 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2328 || strcmp (result, "0.000000e+000 33") == 0);
2329 ASSERT (retval == strlen (result));
2333 { /* Negative zero. */
2336 my_asprintf (&result, "%Le %d", minus_zerol, 33, 44, 55);
2337 ASSERT (result != NULL);
2338 if (have_minus_zero ())
2339 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2340 || strcmp (result, "-0.000000e+000 33") == 0);
2341 ASSERT (retval == strlen (result));
2345 { /* Positive infinity. */
2348 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2349 ASSERT (result != NULL);
2350 ASSERT (strcmp (result, "inf 33") == 0
2351 || strcmp (result, "infinity 33") == 0);
2352 ASSERT (retval == strlen (result));
2356 { /* Negative infinity. */
2359 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2360 ASSERT (result != NULL);
2361 ASSERT (strcmp (result, "-inf 33") == 0
2362 || strcmp (result, "-infinity 33") == 0);
2363 ASSERT (retval == strlen (result));
2370 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2371 ASSERT (result != NULL);
2372 ASSERT (strlen (result) >= 3 + 3
2373 && strisnan (result, 0, strlen (result) - 3, 0)
2374 && strcmp (result + strlen (result) - 3, " 33") == 0);
2375 ASSERT (retval == strlen (result));
2378 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
2380 static union { unsigned int word[4]; long double value; } x =
2381 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2384 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2385 ASSERT (result != NULL);
2386 ASSERT (strlen (result) >= 3 + 3
2387 && strisnan (result, 0, strlen (result) - 3, 0)
2388 && strcmp (result + strlen (result) - 3, " 33") == 0);
2389 ASSERT (retval == strlen (result));
2393 /* Signalling NaN. */
2394 static union { unsigned int word[4]; long double value; } x =
2395 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2398 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2399 ASSERT (result != NULL);
2400 ASSERT (strlen (result) >= 3 + 3
2401 && strisnan (result, 0, strlen (result) - 3, 0)
2402 && strcmp (result + strlen (result) - 3, " 33") == 0);
2403 ASSERT (retval == strlen (result));
2406 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2407 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2408 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2409 Application Architecture.
2410 Table 5-2 "Floating-Point Register Encodings"
2411 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2414 static union { unsigned int word[4]; long double value; } x =
2415 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2418 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2419 ASSERT (result != NULL);
2420 ASSERT (strlen (result) >= 3 + 3
2421 && strisnan (result, 0, strlen (result) - 3, 0)
2422 && strcmp (result + strlen (result) - 3, " 33") == 0);
2423 ASSERT (retval == strlen (result));
2426 { /* Pseudo-Infinity. */
2427 static union { unsigned int word[4]; long double value; } x =
2428 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2431 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2432 ASSERT (result != NULL);
2433 ASSERT (strlen (result) >= 3 + 3
2434 && strisnan (result, 0, strlen (result) - 3, 0)
2435 && strcmp (result + strlen (result) - 3, " 33") == 0);
2436 ASSERT (retval == strlen (result));
2439 { /* Pseudo-Zero. */
2440 static union { unsigned int word[4]; long double value; } x =
2441 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2444 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2445 ASSERT (result != NULL);
2446 ASSERT (strlen (result) >= 3 + 3
2447 && strisnan (result, 0, strlen (result) - 3, 0)
2448 && strcmp (result + strlen (result) - 3, " 33") == 0);
2449 ASSERT (retval == strlen (result));
2452 { /* Unnormalized number. */
2453 static union { unsigned int word[4]; long double value; } x =
2454 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2457 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2458 ASSERT (result != NULL);
2459 ASSERT (strlen (result) >= 3 + 3
2460 && strisnan (result, 0, strlen (result) - 3, 0)
2461 && strcmp (result + strlen (result) - 3, " 33") == 0);
2462 ASSERT (retval == strlen (result));
2465 { /* Pseudo-Denormal. */
2466 static union { unsigned int word[4]; long double value; } x =
2467 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2470 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2471 ASSERT (result != NULL);
2472 ASSERT (strlen (result) >= 3 + 3
2473 && strisnan (result, 0, strlen (result) - 3, 0)
2474 && strcmp (result + strlen (result) - 3, " 33") == 0);
2475 ASSERT (retval == strlen (result));
2483 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2484 ASSERT (result != NULL);
2485 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2486 || strcmp (result, " 1.750000e+000 33") == 0);
2487 ASSERT (retval == strlen (result));
2494 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2495 ASSERT (result != NULL);
2496 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2497 || strcmp (result, "1.750000e+000 33") == 0);
2498 ASSERT (retval == strlen (result));
2502 { /* FLAG_SHOWSIGN. */
2505 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2506 ASSERT (result != NULL);
2507 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2508 || strcmp (result, "+1.750000e+000 33") == 0);
2509 ASSERT (retval == strlen (result));
2516 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2517 ASSERT (result != NULL);
2518 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2519 || strcmp (result, " 1.750000e+000 33") == 0);
2520 ASSERT (retval == strlen (result));
2527 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2528 ASSERT (result != NULL);
2529 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2530 || strcmp (result, "1.750000e+000 33") == 0);
2531 ASSERT (retval == strlen (result));
2538 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2539 ASSERT (result != NULL);
2540 ASSERT (strcmp (result, "2.e+00 33") == 0
2541 || strcmp (result, "2.e+000 33") == 0);
2542 ASSERT (retval == strlen (result));
2549 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2550 ASSERT (result != NULL);
2551 ASSERT (strcmp (result, "1.e+01 33") == 0
2552 || strcmp (result, "1.e+001 33") == 0);
2553 ASSERT (retval == strlen (result));
2557 { /* FLAG_ZERO with finite number. */
2560 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2561 ASSERT (result != NULL);
2562 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2563 || strcmp (result, "001.234000e+003 33") == 0);
2564 ASSERT (retval == strlen (result));
2568 { /* FLAG_ZERO with infinite number. */
2571 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2572 ASSERT (result != NULL);
2573 ASSERT (strcmp (result, " -inf 33") == 0
2574 || strcmp (result, " -infinity 33") == 0);
2575 ASSERT (retval == strlen (result));
2579 { /* FLAG_ZERO with NaN. */
2582 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2583 ASSERT (result != NULL);
2584 ASSERT (strlen (result) == 50 + 3
2585 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2586 && strcmp (result + strlen (result) - 3, " 33") == 0);
2587 ASSERT (retval == strlen (result));
2594 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2595 ASSERT (result != NULL);
2596 ASSERT (strcmp (result, "1e+03 33") == 0
2597 || strcmp (result, "1e+003 33") == 0);
2598 ASSERT (retval == strlen (result));
2602 { /* Precision with no rounding. */
2605 my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55);
2606 ASSERT (result != NULL);
2607 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2608 || strcmp (result, "9.9995e+002 33") == 0);
2609 ASSERT (retval == strlen (result));
2613 { /* Precision with rounding. */
2616 my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55);
2617 ASSERT (result != NULL);
2618 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2619 || strcmp (result, "1.0000e+003 33") == 0);
2620 ASSERT (retval == strlen (result));
2624 /* Test the support of the %g format directive. */
2626 { /* A positive number. */
2629 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2630 ASSERT (result != NULL);
2631 ASSERT (strcmp (result, "12.75 33") == 0);
2632 ASSERT (retval == strlen (result));
2636 { /* A larger positive number. */
2639 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2640 ASSERT (result != NULL);
2641 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2642 || strcmp (result, "1.23457e+006 33") == 0);
2643 ASSERT (retval == strlen (result));
2647 { /* Small and large positive numbers. */
2648 static struct { double value; const char *string; } data[] =
2650 { 1.234321234321234e-37, "1.23432e-37" },
2651 { 1.234321234321234e-36, "1.23432e-36" },
2652 { 1.234321234321234e-35, "1.23432e-35" },
2653 { 1.234321234321234e-34, "1.23432e-34" },
2654 { 1.234321234321234e-33, "1.23432e-33" },
2655 { 1.234321234321234e-32, "1.23432e-32" },
2656 { 1.234321234321234e-31, "1.23432e-31" },
2657 { 1.234321234321234e-30, "1.23432e-30" },
2658 { 1.234321234321234e-29, "1.23432e-29" },
2659 { 1.234321234321234e-28, "1.23432e-28" },
2660 { 1.234321234321234e-27, "1.23432e-27" },
2661 { 1.234321234321234e-26, "1.23432e-26" },
2662 { 1.234321234321234e-25, "1.23432e-25" },
2663 { 1.234321234321234e-24, "1.23432e-24" },
2664 { 1.234321234321234e-23, "1.23432e-23" },
2665 { 1.234321234321234e-22, "1.23432e-22" },
2666 { 1.234321234321234e-21, "1.23432e-21" },
2667 { 1.234321234321234e-20, "1.23432e-20" },
2668 { 1.234321234321234e-19, "1.23432e-19" },
2669 { 1.234321234321234e-18, "1.23432e-18" },
2670 { 1.234321234321234e-17, "1.23432e-17" },
2671 { 1.234321234321234e-16, "1.23432e-16" },
2672 { 1.234321234321234e-15, "1.23432e-15" },
2673 { 1.234321234321234e-14, "1.23432e-14" },
2674 { 1.234321234321234e-13, "1.23432e-13" },
2675 { 1.234321234321234e-12, "1.23432e-12" },
2676 { 1.234321234321234e-11, "1.23432e-11" },
2677 { 1.234321234321234e-10, "1.23432e-10" },
2678 { 1.234321234321234e-9, "1.23432e-09" },
2679 { 1.234321234321234e-8, "1.23432e-08" },
2680 { 1.234321234321234e-7, "1.23432e-07" },
2681 { 1.234321234321234e-6, "1.23432e-06" },
2682 { 1.234321234321234e-5, "1.23432e-05" },
2683 { 1.234321234321234e-4, "0.000123432" },
2684 { 1.234321234321234e-3, "0.00123432" },
2685 { 1.234321234321234e-2, "0.0123432" },
2686 { 1.234321234321234e-1, "0.123432" },
2687 { 1.234321234321234, "1.23432" },
2688 { 1.234321234321234e1, "12.3432" },
2689 { 1.234321234321234e2, "123.432" },
2690 { 1.234321234321234e3, "1234.32" },
2691 { 1.234321234321234e4, "12343.2" },
2692 { 1.234321234321234e5, "123432" },
2693 { 1.234321234321234e6, "1.23432e+06" },
2694 { 1.234321234321234e7, "1.23432e+07" },
2695 { 1.234321234321234e8, "1.23432e+08" },
2696 { 1.234321234321234e9, "1.23432e+09" },
2697 { 1.234321234321234e10, "1.23432e+10" },
2698 { 1.234321234321234e11, "1.23432e+11" },
2699 { 1.234321234321234e12, "1.23432e+12" },
2700 { 1.234321234321234e13, "1.23432e+13" },
2701 { 1.234321234321234e14, "1.23432e+14" },
2702 { 1.234321234321234e15, "1.23432e+15" },
2703 { 1.234321234321234e16, "1.23432e+16" },
2704 { 1.234321234321234e17, "1.23432e+17" },
2705 { 1.234321234321234e18, "1.23432e+18" },
2706 { 1.234321234321234e19, "1.23432e+19" },
2707 { 1.234321234321234e20, "1.23432e+20" },
2708 { 1.234321234321234e21, "1.23432e+21" },
2709 { 1.234321234321234e22, "1.23432e+22" },
2710 { 1.234321234321234e23, "1.23432e+23" },
2711 { 1.234321234321234e24, "1.23432e+24" },
2712 { 1.234321234321234e25, "1.23432e+25" },
2713 { 1.234321234321234e26, "1.23432e+26" },
2714 { 1.234321234321234e27, "1.23432e+27" },
2715 { 1.234321234321234e28, "1.23432e+28" },
2716 { 1.234321234321234e29, "1.23432e+29" },
2717 { 1.234321234321234e30, "1.23432e+30" },
2718 { 1.234321234321234e31, "1.23432e+31" },
2719 { 1.234321234321234e32, "1.23432e+32" },
2720 { 1.234321234321234e33, "1.23432e+33" },
2721 { 1.234321234321234e34, "1.23432e+34" },
2722 { 1.234321234321234e35, "1.23432e+35" },
2723 { 1.234321234321234e36, "1.23432e+36" }
2726 for (k = 0; k < SIZEOF (data); k++)
2730 my_asprintf (&result, "%g", data[k].value);
2731 const char *expected = data[k].string;
2732 ASSERT (result != NULL);
2733 ASSERT (strcmp (result, expected) == 0
2734 /* Some implementations produce exponents with 3 digits. */
2735 || (expected[strlen (expected) - 4] == 'e'
2736 && strlen (result) == strlen (expected) + 1
2737 && memcmp (result, expected, strlen (expected) - 2) == 0
2738 && result[strlen (expected) - 2] == '0'
2739 && strcmp (result + strlen (expected) - 1,
2740 expected + strlen (expected) - 2)
2742 ASSERT (retval == strlen (result));
2747 { /* A negative number. */
2750 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2751 ASSERT (result != NULL);
2752 ASSERT (strcmp (result, "-0.03125 33") == 0);
2753 ASSERT (retval == strlen (result));
2757 { /* Positive zero. */
2760 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2761 ASSERT (result != NULL);
2762 ASSERT (strcmp (result, "0 33") == 0);
2763 ASSERT (retval == strlen (result));
2767 { /* Negative zero. */
2770 my_asprintf (&result, "%g %d", minus_zerod, 33, 44, 55);
2771 ASSERT (result != NULL);
2772 if (have_minus_zero ())
2773 ASSERT (strcmp (result, "-0 33") == 0);
2774 ASSERT (retval == strlen (result));
2778 { /* Positive infinity. */
2781 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2782 ASSERT (result != NULL);
2783 ASSERT (strcmp (result, "inf 33") == 0
2784 || strcmp (result, "infinity 33") == 0);
2785 ASSERT (retval == strlen (result));
2789 { /* Negative infinity. */
2792 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2793 ASSERT (result != NULL);
2794 ASSERT (strcmp (result, "-inf 33") == 0
2795 || strcmp (result, "-infinity 33") == 0);
2796 ASSERT (retval == strlen (result));
2803 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2804 ASSERT (result != NULL);
2805 ASSERT (strlen (result) >= 3 + 3
2806 && strisnan (result, 0, strlen (result) - 3, 0)
2807 && strcmp (result + strlen (result) - 3, " 33") == 0);
2808 ASSERT (retval == strlen (result));
2815 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2816 ASSERT (result != NULL);
2817 ASSERT (strcmp (result, " 1.75 33") == 0);
2818 ASSERT (retval == strlen (result));
2825 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2826 ASSERT (result != NULL);
2827 ASSERT (strcmp (result, "1.75 33") == 0);
2828 ASSERT (retval == strlen (result));
2832 { /* FLAG_SHOWSIGN. */
2835 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2836 ASSERT (result != NULL);
2837 ASSERT (strcmp (result, "+1.75 33") == 0);
2838 ASSERT (retval == strlen (result));
2845 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2846 ASSERT (result != NULL);
2847 ASSERT (strcmp (result, " 1.75 33") == 0);
2848 ASSERT (retval == strlen (result));
2855 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2856 ASSERT (result != NULL);
2857 ASSERT (strcmp (result, "1.75000 33") == 0);
2858 ASSERT (retval == strlen (result));
2865 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2866 ASSERT (result != NULL);
2867 ASSERT (strcmp (result, "2. 33") == 0);
2868 ASSERT (retval == strlen (result));
2875 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2876 ASSERT (result != NULL);
2877 ASSERT (strcmp (result, "1.e+01 33") == 0
2878 || strcmp (result, "1.e+001 33") == 0);
2879 ASSERT (retval == strlen (result));
2883 { /* FLAG_ZERO with finite number. */
2886 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2887 ASSERT (result != NULL);
2888 ASSERT (strcmp (result, "0000001234 33") == 0);
2889 ASSERT (retval == strlen (result));
2893 { /* FLAG_ZERO with infinite number. */
2896 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2897 ASSERT (result != NULL);
2898 ASSERT (strcmp (result, " -inf 33") == 0
2899 || strcmp (result, " -infinity 33") == 0);
2900 ASSERT (retval == strlen (result));
2904 { /* FLAG_ZERO with NaN. */
2907 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2908 ASSERT (result != NULL);
2909 ASSERT (strlen (result) == 50 + 3
2910 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2911 && strcmp (result + strlen (result) - 3, " 33") == 0);
2912 ASSERT (retval == strlen (result));
2919 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2920 ASSERT (result != NULL);
2921 ASSERT (strcmp (result, "1e+03 33") == 0
2922 || strcmp (result, "1e+003 33") == 0);
2923 ASSERT (retval == strlen (result));
2927 { /* Precision with no rounding. */
2930 my_asprintf (&result, "%.5g %d", 999.951, 33, 44, 55);
2931 ASSERT (result != NULL);
2932 ASSERT (strcmp (result, "999.95 33") == 0);
2933 ASSERT (retval == strlen (result));
2937 { /* Precision with rounding. */
2940 my_asprintf (&result, "%.5g %d", 999.996, 33, 44, 55);
2941 ASSERT (result != NULL);
2942 ASSERT (strcmp (result, "1000 33") == 0);
2943 ASSERT (retval == strlen (result));
2947 { /* A positive number. */
2950 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2951 ASSERT (result != NULL);
2952 ASSERT (strcmp (result, "12.75 33") == 0);
2953 ASSERT (retval == strlen (result));
2957 { /* A larger positive number. */
2960 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2961 ASSERT (result != NULL);
2962 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2963 || strcmp (result, "1.23457e+006 33") == 0);
2964 ASSERT (retval == strlen (result));
2968 { /* Small and large positive numbers. */
2969 static struct { long double value; const char *string; } data[] =
2971 { 1.234321234321234e-37L, "1.23432e-37" },
2972 { 1.234321234321234e-36L, "1.23432e-36" },
2973 { 1.234321234321234e-35L, "1.23432e-35" },
2974 { 1.234321234321234e-34L, "1.23432e-34" },
2975 { 1.234321234321234e-33L, "1.23432e-33" },
2976 { 1.234321234321234e-32L, "1.23432e-32" },
2977 { 1.234321234321234e-31L, "1.23432e-31" },
2978 { 1.234321234321234e-30L, "1.23432e-30" },
2979 { 1.234321234321234e-29L, "1.23432e-29" },
2980 { 1.234321234321234e-28L, "1.23432e-28" },
2981 { 1.234321234321234e-27L, "1.23432e-27" },
2982 { 1.234321234321234e-26L, "1.23432e-26" },
2983 { 1.234321234321234e-25L, "1.23432e-25" },
2984 { 1.234321234321234e-24L, "1.23432e-24" },
2985 { 1.234321234321234e-23L, "1.23432e-23" },
2986 { 1.234321234321234e-22L, "1.23432e-22" },
2987 { 1.234321234321234e-21L, "1.23432e-21" },
2988 { 1.234321234321234e-20L, "1.23432e-20" },
2989 { 1.234321234321234e-19L, "1.23432e-19" },
2990 { 1.234321234321234e-18L, "1.23432e-18" },
2991 { 1.234321234321234e-17L, "1.23432e-17" },
2992 { 1.234321234321234e-16L, "1.23432e-16" },
2993 { 1.234321234321234e-15L, "1.23432e-15" },
2994 { 1.234321234321234e-14L, "1.23432e-14" },
2995 { 1.234321234321234e-13L, "1.23432e-13" },
2996 { 1.234321234321234e-12L, "1.23432e-12" },
2997 { 1.234321234321234e-11L, "1.23432e-11" },
2998 { 1.234321234321234e-10L, "1.23432e-10" },
2999 { 1.234321234321234e-9L, "1.23432e-09" },
3000 { 1.234321234321234e-8L, "1.23432e-08" },
3001 { 1.234321234321234e-7L, "1.23432e-07" },
3002 { 1.234321234321234e-6L, "1.23432e-06" },
3003 { 1.234321234321234e-5L, "1.23432e-05" },
3004 { 1.234321234321234e-4L, "0.000123432" },
3005 { 1.234321234321234e-3L, "0.00123432" },
3006 { 1.234321234321234e-2L, "0.0123432" },
3007 { 1.234321234321234e-1L, "0.123432" },
3008 { 1.234321234321234L, "1.23432" },
3009 { 1.234321234321234e1L, "12.3432" },
3010 { 1.234321234321234e2L, "123.432" },
3011 { 1.234321234321234e3L, "1234.32" },
3012 { 1.234321234321234e4L, "12343.2" },
3013 { 1.234321234321234e5L, "123432" },
3014 { 1.234321234321234e6L, "1.23432e+06" },
3015 { 1.234321234321234e7L, "1.23432e+07" },
3016 { 1.234321234321234e8L, "1.23432e+08" },
3017 { 1.234321234321234e9L, "1.23432e+09" },
3018 { 1.234321234321234e10L, "1.23432e+10" },
3019 { 1.234321234321234e11L, "1.23432e+11" },
3020 { 1.234321234321234e12L, "1.23432e+12" },
3021 { 1.234321234321234e13L, "1.23432e+13" },
3022 { 1.234321234321234e14L, "1.23432e+14" },
3023 { 1.234321234321234e15L, "1.23432e+15" },
3024 { 1.234321234321234e16L, "1.23432e+16" },
3025 { 1.234321234321234e17L, "1.23432e+17" },
3026 { 1.234321234321234e18L, "1.23432e+18" },
3027 { 1.234321234321234e19L, "1.23432e+19" },
3028 { 1.234321234321234e20L, "1.23432e+20" },
3029 { 1.234321234321234e21L, "1.23432e+21" },
3030 { 1.234321234321234e22L, "1.23432e+22" },
3031 { 1.234321234321234e23L, "1.23432e+23" },
3032 { 1.234321234321234e24L, "1.23432e+24" },
3033 { 1.234321234321234e25L, "1.23432e+25" },
3034 { 1.234321234321234e26L, "1.23432e+26" },
3035 { 1.234321234321234e27L, "1.23432e+27" },
3036 { 1.234321234321234e28L, "1.23432e+28" },
3037 { 1.234321234321234e29L, "1.23432e+29" },
3038 { 1.234321234321234e30L, "1.23432e+30" },
3039 { 1.234321234321234e31L, "1.23432e+31" },
3040 { 1.234321234321234e32L, "1.23432e+32" },
3041 { 1.234321234321234e33L, "1.23432e+33" },
3042 { 1.234321234321234e34L, "1.23432e+34" },
3043 { 1.234321234321234e35L, "1.23432e+35" },
3044 { 1.234321234321234e36L, "1.23432e+36" }
3047 for (k = 0; k < SIZEOF (data); k++)
3051 my_asprintf (&result, "%Lg", data[k].value);
3052 const char *expected = data[k].string;
3053 ASSERT (result != NULL);
3054 ASSERT (strcmp (result, expected) == 0
3055 /* Some implementations produce exponents with 3 digits. */
3056 || (expected[strlen (expected) - 4] == 'e'
3057 && strlen (result) == strlen (expected) + 1
3058 && memcmp (result, expected, strlen (expected) - 2) == 0
3059 && result[strlen (expected) - 2] == '0'
3060 && strcmp (result + strlen (expected) - 1,
3061 expected + strlen (expected) - 2)
3063 ASSERT (retval == strlen (result));
3068 { /* A negative number. */
3071 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
3072 ASSERT (result != NULL);
3073 ASSERT (strcmp (result, "-0.03125 33") == 0);
3074 ASSERT (retval == strlen (result));
3078 { /* Positive zero. */
3081 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
3082 ASSERT (result != NULL);
3083 ASSERT (strcmp (result, "0 33") == 0);
3084 ASSERT (retval == strlen (result));
3088 { /* Negative zero. */
3091 my_asprintf (&result, "%Lg %d", minus_zerol, 33, 44, 55);
3092 ASSERT (result != NULL);
3093 if (have_minus_zero ())
3094 ASSERT (strcmp (result, "-0 33") == 0);
3095 ASSERT (retval == strlen (result));
3099 { /* Positive infinity. */
3102 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3103 ASSERT (result != NULL);
3104 ASSERT (strcmp (result, "inf 33") == 0
3105 || strcmp (result, "infinity 33") == 0);
3106 ASSERT (retval == strlen (result));
3110 { /* Negative infinity. */
3113 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3114 ASSERT (result != NULL);
3115 ASSERT (strcmp (result, "-inf 33") == 0
3116 || strcmp (result, "-infinity 33") == 0);
3117 ASSERT (retval == strlen (result));
3124 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
3125 ASSERT (result != NULL);
3126 ASSERT (strlen (result) >= 3 + 3
3127 && strisnan (result, 0, strlen (result) - 3, 0)
3128 && strcmp (result + strlen (result) - 3, " 33") == 0);
3129 ASSERT (retval == strlen (result));
3132 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
3134 static union { unsigned int word[4]; long double value; } x =
3135 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3138 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3139 ASSERT (result != NULL);
3140 ASSERT (strlen (result) >= 3 + 3
3141 && strisnan (result, 0, strlen (result) - 3, 0)
3142 && strcmp (result + strlen (result) - 3, " 33") == 0);
3143 ASSERT (retval == strlen (result));
3147 /* Signalling NaN. */
3148 static union { unsigned int word[4]; long double value; } x =
3149 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3152 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3153 ASSERT (result != NULL);
3154 ASSERT (strlen (result) >= 3 + 3
3155 && strisnan (result, 0, strlen (result) - 3, 0)
3156 && strcmp (result + strlen (result) - 3, " 33") == 0);
3157 ASSERT (retval == strlen (result));
3160 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3161 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3162 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3163 Application Architecture.
3164 Table 5-2 "Floating-Point Register Encodings"
3165 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3168 static union { unsigned int word[4]; long double value; } x =
3169 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3172 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3173 ASSERT (result != NULL);
3174 ASSERT (strlen (result) >= 3 + 3
3175 && strisnan (result, 0, strlen (result) - 3, 0)
3176 && strcmp (result + strlen (result) - 3, " 33") == 0);
3177 ASSERT (retval == strlen (result));
3180 { /* Pseudo-Infinity. */
3181 static union { unsigned int word[4]; long double value; } x =
3182 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3185 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3186 ASSERT (result != NULL);
3187 ASSERT (strlen (result) >= 3 + 3
3188 && strisnan (result, 0, strlen (result) - 3, 0)
3189 && strcmp (result + strlen (result) - 3, " 33") == 0);
3190 ASSERT (retval == strlen (result));
3193 { /* Pseudo-Zero. */
3194 static union { unsigned int word[4]; long double value; } x =
3195 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3198 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3199 ASSERT (result != NULL);
3200 ASSERT (strlen (result) >= 3 + 3
3201 && strisnan (result, 0, strlen (result) - 3, 0)
3202 && strcmp (result + strlen (result) - 3, " 33") == 0);
3203 ASSERT (retval == strlen (result));
3206 { /* Unnormalized number. */
3207 static union { unsigned int word[4]; long double value; } x =
3208 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3211 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3212 ASSERT (result != NULL);
3213 ASSERT (strlen (result) >= 3 + 3
3214 && strisnan (result, 0, strlen (result) - 3, 0)
3215 && strcmp (result + strlen (result) - 3, " 33") == 0);
3216 ASSERT (retval == strlen (result));
3219 { /* Pseudo-Denormal. */
3220 static union { unsigned int word[4]; long double value; } x =
3221 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3224 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3225 ASSERT (result != NULL);
3226 ASSERT (strlen (result) >= 3 + 3
3227 && strisnan (result, 0, strlen (result) - 3, 0)
3228 && strcmp (result + strlen (result) - 3, " 33") == 0);
3229 ASSERT (retval == strlen (result));
3237 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3238 ASSERT (result != NULL);
3239 ASSERT (strcmp (result, " 1.75 33") == 0);
3240 ASSERT (retval == strlen (result));
3247 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3248 ASSERT (result != NULL);
3249 ASSERT (strcmp (result, "1.75 33") == 0);
3250 ASSERT (retval == strlen (result));
3254 { /* FLAG_SHOWSIGN. */
3257 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3258 ASSERT (result != NULL);
3259 ASSERT (strcmp (result, "+1.75 33") == 0);
3260 ASSERT (retval == strlen (result));
3267 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3268 ASSERT (result != NULL);
3269 ASSERT (strcmp (result, " 1.75 33") == 0);
3270 ASSERT (retval == strlen (result));
3277 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3278 ASSERT (result != NULL);
3279 ASSERT (strcmp (result, "1.75000 33") == 0);
3280 ASSERT (retval == strlen (result));
3287 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3288 ASSERT (result != NULL);
3289 ASSERT (strcmp (result, "2. 33") == 0);
3290 ASSERT (retval == strlen (result));
3297 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3298 ASSERT (result != NULL);
3299 ASSERT (strcmp (result, "1.e+01 33") == 0
3300 || strcmp (result, "1.e+001 33") == 0);
3301 ASSERT (retval == strlen (result));
3305 { /* FLAG_ZERO with finite number. */
3308 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3309 ASSERT (result != NULL);
3310 ASSERT (strcmp (result, "0000001234 33") == 0);
3311 ASSERT (retval == strlen (result));
3315 { /* FLAG_ZERO with infinite number. */
3318 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3319 ASSERT (result != NULL);
3320 ASSERT (strcmp (result, " -inf 33") == 0
3321 || strcmp (result, " -infinity 33") == 0);
3322 ASSERT (retval == strlen (result));
3326 { /* FLAG_ZERO with NaN. */
3329 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3330 ASSERT (result != NULL);
3331 ASSERT (strlen (result) == 50 + 3
3332 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3333 && strcmp (result + strlen (result) - 3, " 33") == 0);
3334 ASSERT (retval == strlen (result));
3341 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3342 ASSERT (result != NULL);
3343 ASSERT (strcmp (result, "1e+03 33") == 0
3344 || strcmp (result, "1e+003 33") == 0);
3345 ASSERT (retval == strlen (result));
3349 { /* Precision with no rounding. */
3352 my_asprintf (&result, "%.5Lg %d", 999.951L, 33, 44, 55);
3353 ASSERT (result != NULL);
3354 ASSERT (strcmp (result, "999.95 33") == 0);
3355 ASSERT (retval == strlen (result));
3359 { /* Precision with rounding. */
3362 my_asprintf (&result, "%.5Lg %d", 999.996L, 33, 44, 55);
3363 ASSERT (result != NULL);
3364 ASSERT (strcmp (result, "1000 33") == 0);
3365 ASSERT (retval == strlen (result));
3369 /* Test the support of the %n format directive. */
3375 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3376 ASSERT (result != NULL);
3377 ASSERT (strcmp (result, "123 ") == 0);
3378 ASSERT (retval == strlen (result));
3379 ASSERT (count == 4);
3383 /* Test the support of the POSIX/XSI format strings with positions. */
3388 my_asprintf (&result, "%2$d %1$d", 33, 55);
3389 ASSERT (result != NULL);
3390 ASSERT (strcmp (result, "55 33") == 0);
3391 ASSERT (retval == strlen (result));
3395 /* Test the support of the grouping flag. */
3400 my_asprintf (&result, "%'d %d", 1234567, 99);
3401 ASSERT (result != NULL);
3402 ASSERT (result[strlen (result) - 1] == '9');
3403 ASSERT (retval == strlen (result));
3407 /* Test the support of the left-adjust flag. */
3412 my_asprintf (&result, "a%*sc", -3, "b");
3413 ASSERT (result != NULL);
3414 ASSERT (strcmp (result, "ab c") == 0);
3415 ASSERT (retval == strlen (result));
3422 my_asprintf (&result, "a%-*sc", 3, "b");
3423 ASSERT (result != NULL);
3424 ASSERT (strcmp (result, "ab c") == 0);
3425 ASSERT (retval == strlen (result));
3432 my_asprintf (&result, "a%-*sc", -3, "b");
3433 ASSERT (result != NULL);
3434 ASSERT (strcmp (result, "ab c") == 0);
3435 ASSERT (retval == strlen (result));
3439 /* Test the support of large precision. */
3444 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3446 ASSERT (result != NULL);
3447 for (i = 0; i < 4000 - 7; i++)
3448 ASSERT (result[i] == '0');
3449 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3450 ASSERT (retval == strlen (result));
3457 my_asprintf (&result, "%.*d %d", 4000, 1234567, 99);
3459 ASSERT (result != NULL);
3460 for (i = 0; i < 4000 - 7; i++)
3461 ASSERT (result[i] == '0');
3462 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3463 ASSERT (retval == strlen (result));
3470 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3472 ASSERT (result != NULL);
3473 ASSERT (result[0] == '-');
3474 for (i = 0; i < 4000 - 7; i++)
3475 ASSERT (result[1 + i] == '0');
3476 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3477 ASSERT (retval == strlen (result));
3484 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3486 ASSERT (result != NULL);
3487 for (i = 0; i < 4000 - 7; i++)
3488 ASSERT (result[i] == '0');
3489 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3490 ASSERT (retval == strlen (result));
3497 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3499 ASSERT (result != NULL);
3500 for (i = 0; i < 4000 - 7; i++)
3501 ASSERT (result[i] == '0');
3502 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3503 ASSERT (retval == strlen (result));
3510 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3512 ASSERT (result != NULL);
3513 for (i = 0; i < 4000 - 6; i++)
3514 ASSERT (result[i] == '0');
3515 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3516 ASSERT (retval == strlen (result));
3523 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3525 ASSERT (result != NULL);
3526 ASSERT (result[0] == '0');
3527 ASSERT (result[1] == 'x');
3528 for (i = 0; i < 4000 - 6; i++)
3529 ASSERT (result[2 + i] == '0');
3530 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3531 ASSERT (retval == strlen (result));
3538 my_asprintf (&result, "%.4000f %d", 1.0, 99);
3540 ASSERT (result != NULL);
3541 ASSERT (result[0] == '1');
3542 ASSERT (result[1] == '.');
3543 for (i = 0; i < 4000; i++)
3544 ASSERT (result[2 + i] == '0');
3545 ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
3546 ASSERT (retval == strlen (result));
3553 my_asprintf (&result, "%.511f %d", 1.0, 99);
3555 ASSERT (result != NULL);
3556 ASSERT (result[0] == '1');
3557 ASSERT (result[1] == '.');
3558 for (i = 0; i < 511; i++)
3559 ASSERT (result[2 + i] == '0');
3560 ASSERT (strcmp (result + 2 + 511, " 99") == 0);
3561 ASSERT (retval == strlen (result));
3571 for (i = 0; i < sizeof (input) - 1; i++)
3572 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3574 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3575 ASSERT (result != NULL);
3576 ASSERT (memcmp (result, input, 4000) == 0);
3577 ASSERT (strcmp (result + 4000, " 99") == 0);
3578 ASSERT (retval == strlen (result));
3582 /* Test the support of the %s format directive. */
3584 /* To verify that these tests succeed, it is necessary to run them under
3585 a tool that checks against invalid memory accesses, such as ElectricFence
3586 or "valgrind --tool=memcheck". */
3590 for (i = 1; i <= 8; i++)
3596 block = (char *) malloc (i);
3597 memcpy (block, "abcdefgh", i);
3598 retval = my_asprintf (&result, "%.*s", (int) i, block);
3599 ASSERT (result != NULL);
3600 ASSERT (memcmp (result, block, i) == 0);
3601 ASSERT (result[i] == '\0');
3602 ASSERT (retval == strlen (result));
3611 for (i = 1; i <= 8; i++)
3618 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3619 for (j = 0; j < i; j++)
3620 block[j] = "abcdefgh"[j];
3621 retval = my_asprintf (&result, "%.*ls", (int) i, block);
3622 ASSERT (result != NULL);
3623 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3624 ASSERT (result[i] == '\0');
3625 ASSERT (retval == strlen (result));
3634 my_asprintf (char **result, const char *format, ...)
3639 va_start (args, format);
3640 ret = vasprintf (result, format, args);
3648 test_function (my_asprintf);
3654 test_function (asprintf);
3658 main (int argc, char *argv[])