1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007-2008 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. */
32 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
33 #define ASSERT(expr) \
38 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
45 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
49 static double plus_zero = 0.0;
50 double minus_zero = - plus_zero;
51 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
54 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
55 So we use -zerod instead. */
58 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
59 So we use minus_zerol instead.
60 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
61 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
62 #if defined __hpux || defined __sgi
63 long double minus_zerol = -LDBL_MIN * LDBL_MIN;
65 long double minus_zerol = -0.0L;
68 /* Representation of an 80-bit 'long double' as an initializer for a sequence
69 of 'unsigned int' words. */
70 #ifdef WORDS_BIGENDIAN
71 # define LDBL80_WORDS(exponent,manthi,mantlo) \
72 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
73 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
74 (unsigned int) (mantlo) << 16 \
77 # define LDBL80_WORDS(exponent,manthi,mantlo) \
78 { mantlo, manthi, exponent }
82 strmatch (const char *pattern, const char *string)
84 if (strlen (pattern) != strlen (string))
86 for (; *pattern != '\0'; pattern++, string++)
87 if (*pattern != '*' && *string != *pattern)
92 /* Test whether string[start_index..end_index-1] is a valid textual
93 representation of NaN. */
95 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
97 if (start_index < end_index)
99 if (string[start_index] == '-')
101 if (start_index + 3 <= end_index
102 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
105 if (start_index == end_index
106 || (string[start_index] == '(' && string[end_index - 1] == ')'))
114 test_function (int (*my_asprintf) (char **, const char *, ...))
118 /* Test return value convention. */
120 for (repeat = 0; repeat <= 8; repeat++)
123 int retval = asprintf (&result, "%d", 12345);
124 ASSERT (retval == 5);
125 ASSERT (result != NULL);
126 ASSERT (strcmp (result, "12345") == 0);
130 /* Test support of size specifiers as in C99. */
135 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
136 ASSERT (result != NULL);
137 ASSERT (strcmp (result, "12345671 33") == 0);
138 ASSERT (retval == strlen (result));
145 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
146 ASSERT (result != NULL);
147 ASSERT (strcmp (result, "12345672 33") == 0);
148 ASSERT (retval == strlen (result));
155 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
156 ASSERT (result != NULL);
157 ASSERT (strcmp (result, "12345673 33") == 0);
158 ASSERT (retval == strlen (result));
165 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
166 ASSERT (result != NULL);
167 ASSERT (strcmp (result, "1.5 33") == 0);
168 ASSERT (retval == strlen (result));
172 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
173 output of floating-point numbers. */
175 { /* A positive number. */
178 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
179 ASSERT (result != NULL);
180 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
181 || strcmp (result, "0x3.244p+0 33") == 0
182 || strcmp (result, "0x6.488p-1 33") == 0
183 || strcmp (result, "0xc.91p-2 33") == 0);
184 ASSERT (retval == strlen (result));
188 { /* A negative number. */
191 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
192 ASSERT (result != NULL);
193 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
194 || strcmp (result, "-0X3.244P+0 33") == 0
195 || strcmp (result, "-0X6.488P-1 33") == 0
196 || strcmp (result, "-0XC.91P-2 33") == 0);
197 ASSERT (retval == strlen (result));
201 { /* Positive zero. */
204 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
205 ASSERT (result != NULL);
206 ASSERT (strcmp (result, "0x0p+0 33") == 0);
207 ASSERT (retval == strlen (result));
211 { /* Negative zero. */
214 my_asprintf (&result, "%a %d", -zerod, 33, 44, 55);
215 ASSERT (result != NULL);
216 if (have_minus_zero ())
217 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
218 ASSERT (retval == strlen (result));
222 { /* Positive infinity. */
225 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
226 ASSERT (result != NULL);
227 ASSERT (strcmp (result, "inf 33") == 0);
228 ASSERT (retval == strlen (result));
232 { /* Negative infinity. */
235 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
236 ASSERT (result != NULL);
237 ASSERT (strcmp (result, "-inf 33") == 0);
238 ASSERT (retval == strlen (result));
245 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
246 ASSERT (result != NULL);
247 ASSERT (strlen (result) >= 3 + 3
248 && strisnan (result, 0, strlen (result) - 3, 0)
249 && strcmp (result + strlen (result) - 3, " 33") == 0);
250 ASSERT (retval == strlen (result));
254 { /* Rounding near the decimal point. */
257 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
258 ASSERT (result != NULL);
259 ASSERT (strcmp (result, "0x2p+0 33") == 0
260 || strcmp (result, "0x3p-1 33") == 0
261 || strcmp (result, "0x6p-2 33") == 0
262 || strcmp (result, "0xcp-3 33") == 0);
263 ASSERT (retval == strlen (result));
267 { /* Rounding with precision 0. */
270 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
271 ASSERT (result != NULL);
272 ASSERT (strcmp (result, "0x2p+0 33") == 0
273 || strcmp (result, "0x3p-1 33") == 0
274 || strcmp (result, "0x6p-2 33") == 0
275 || strcmp (result, "0xcp-3 33") == 0);
276 ASSERT (retval == strlen (result));
280 { /* Rounding with precision 1. */
283 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
284 ASSERT (result != NULL);
285 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
286 || strcmp (result, "0x3.0p-1 33") == 0
287 || strcmp (result, "0x6.1p-2 33") == 0
288 || strcmp (result, "0xc.1p-3 33") == 0);
289 ASSERT (retval == strlen (result));
293 { /* Rounding with precision 2. */
296 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
297 ASSERT (result != NULL);
298 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
299 || strcmp (result, "0x3.05p-1 33") == 0
300 || strcmp (result, "0x6.0ap-2 33") == 0
301 || strcmp (result, "0xc.14p-3 33") == 0);
302 ASSERT (retval == strlen (result));
306 { /* Rounding with precision 3. */
309 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
310 ASSERT (result != NULL);
311 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
312 || strcmp (result, "0x3.052p-1 33") == 0
313 || strcmp (result, "0x6.0a4p-2 33") == 0
314 || strcmp (result, "0xc.148p-3 33") == 0);
315 ASSERT (retval == strlen (result));
319 { /* Rounding can turn a ...FFF into a ...000. */
322 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
323 ASSERT (result != NULL);
324 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
325 || strcmp (result, "0x3.000p-1 33") == 0
326 || strcmp (result, "0x6.000p-2 33") == 0
327 || strcmp (result, "0xc.000p-3 33") == 0);
328 ASSERT (retval == strlen (result));
332 { /* Rounding can turn a ...FFF into a ...000.
333 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
336 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
337 ASSERT (result != NULL);
338 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
339 || strcmp (result, "0x2.0p+0 33") == 0
340 || strcmp (result, "0x4.0p-1 33") == 0
341 || strcmp (result, "0x8.0p-2 33") == 0);
342 ASSERT (retval == strlen (result));
349 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
350 ASSERT (result != NULL);
351 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
352 || strcmp (result, " 0x3.8p-1 33") == 0
353 || strcmp (result, " 0x7p-2 33") == 0
354 || strcmp (result, " 0xep-3 33") == 0);
355 ASSERT (retval == strlen (result));
359 { /* Small precision. */
362 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
363 ASSERT (result != NULL);
364 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
365 || strcmp (result, "0x3.8000000000p-1 33") == 0
366 || strcmp (result, "0x7.0000000000p-2 33") == 0
367 || strcmp (result, "0xe.0000000000p-3 33") == 0);
368 ASSERT (retval == strlen (result));
372 { /* Large precision. */
375 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
376 ASSERT (result != NULL);
377 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
378 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
379 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
380 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
381 ASSERT (retval == strlen (result));
388 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
389 ASSERT (result != NULL);
390 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
391 || strcmp (result, "0x3.8p-1 33") == 0
392 || strcmp (result, "0x7p-2 33") == 0
393 || strcmp (result, "0xep-3 33") == 0);
394 ASSERT (retval == strlen (result));
398 { /* FLAG_SHOWSIGN. */
401 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
402 ASSERT (result != NULL);
403 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
404 || strcmp (result, "+0x3.8p-1 33") == 0
405 || strcmp (result, "+0x7p-2 33") == 0
406 || strcmp (result, "+0xep-3 33") == 0);
407 ASSERT (retval == strlen (result));
414 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
415 ASSERT (result != NULL);
416 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
417 || strcmp (result, " 0x3.8p-1 33") == 0
418 || strcmp (result, " 0x7p-2 33") == 0
419 || strcmp (result, " 0xep-3 33") == 0);
420 ASSERT (retval == strlen (result));
427 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
428 ASSERT (result != NULL);
429 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
430 || strcmp (result, "0x3.8p-1 33") == 0
431 || strcmp (result, "0x7.p-2 33") == 0
432 || strcmp (result, "0xe.p-3 33") == 0);
433 ASSERT (retval == strlen (result));
440 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
441 ASSERT (result != NULL);
442 ASSERT (strcmp (result, "0x1.p+0 33") == 0
443 || strcmp (result, "0x2.p-1 33") == 0
444 || strcmp (result, "0x4.p-2 33") == 0
445 || strcmp (result, "0x8.p-3 33") == 0);
446 ASSERT (retval == strlen (result));
450 { /* FLAG_ZERO with finite number. */
453 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
454 ASSERT (result != NULL);
455 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
456 || strcmp (result, "0x003.8p-1 33") == 0
457 || strcmp (result, "0x00007p-2 33") == 0
458 || strcmp (result, "0x0000ep-3 33") == 0);
459 ASSERT (retval == strlen (result));
463 { /* FLAG_ZERO with infinite number. */
466 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
467 ASSERT (result != NULL);
468 /* "0000000inf 33" is not a valid result; see
469 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
470 ASSERT (strcmp (result, " inf 33") == 0);
471 ASSERT (retval == strlen (result));
475 { /* FLAG_ZERO with NaN. */
478 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
479 ASSERT (result != NULL);
480 /* "0000000nan 33" is not a valid result; see
481 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
482 ASSERT (strlen (result) == 50 + 3
483 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
484 && strcmp (result + strlen (result) - 3, " 33") == 0);
485 ASSERT (retval == strlen (result));
489 { /* A positive number. */
492 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
493 ASSERT (result != NULL);
494 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
495 || strcmp (result, "0x3.244p+0 33") == 0
496 || strcmp (result, "0x6.488p-1 33") == 0
497 || strcmp (result, "0xc.91p-2 33") == 0);
498 ASSERT (retval == strlen (result));
502 { /* A negative number. */
505 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
506 ASSERT (result != NULL);
507 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
508 || strcmp (result, "-0X3.244P+0 33") == 0
509 || strcmp (result, "-0X6.488P-1 33") == 0
510 || strcmp (result, "-0XC.91P-2 33") == 0);
511 ASSERT (retval == strlen (result));
515 { /* Positive zero. */
518 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
519 ASSERT (result != NULL);
520 ASSERT (strcmp (result, "0x0p+0 33") == 0);
521 ASSERT (retval == strlen (result));
525 { /* Negative zero. */
528 my_asprintf (&result, "%La %d", minus_zerol, 33, 44, 55);
529 ASSERT (result != NULL);
530 if (have_minus_zero ())
531 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
532 ASSERT (retval == strlen (result));
536 { /* Positive infinity. */
539 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
540 ASSERT (result != NULL);
541 ASSERT (strcmp (result, "inf 33") == 0);
542 ASSERT (retval == strlen (result));
546 { /* Negative infinity. */
549 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
550 ASSERT (result != NULL);
551 ASSERT (strcmp (result, "-inf 33") == 0);
552 ASSERT (retval == strlen (result));
559 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
560 ASSERT (result != NULL);
561 ASSERT (strlen (result) >= 3 + 3
562 && strisnan (result, 0, strlen (result) - 3, 0)
563 && strcmp (result + strlen (result) - 3, " 33") == 0);
564 ASSERT (retval == strlen (result));
567 #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_))
569 static union { unsigned int word[4]; long double value; } x =
570 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
573 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
574 ASSERT (result != NULL);
575 ASSERT (strlen (result) >= 3 + 3
576 && strisnan (result, 0, strlen (result) - 3, 0)
577 && strcmp (result + strlen (result) - 3, " 33") == 0);
578 ASSERT (retval == strlen (result));
582 /* Signalling NaN. */
583 static union { unsigned int word[4]; long double value; } x =
584 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
587 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
588 ASSERT (result != NULL);
589 ASSERT (strlen (result) >= 3 + 3
590 && strisnan (result, 0, strlen (result) - 3, 0)
591 && strcmp (result + strlen (result) - 3, " 33") == 0);
592 ASSERT (retval == strlen (result));
595 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
596 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
597 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
598 Application Architecture.
599 Table 5-2 "Floating-Point Register Encodings"
600 Figure 5-6 "Memory to Floating-Point Register Data Translation"
603 static union { unsigned int word[4]; long double value; } x =
604 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
607 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
608 ASSERT (result != NULL);
609 ASSERT (strlen (result) >= 3 + 3
610 && strisnan (result, 0, strlen (result) - 3, 0)
611 && strcmp (result + strlen (result) - 3, " 33") == 0);
612 ASSERT (retval == strlen (result));
615 { /* Pseudo-Infinity. */
616 static union { unsigned int word[4]; long double value; } x =
617 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
620 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
621 ASSERT (result != NULL);
622 ASSERT (strlen (result) >= 3 + 3
623 && strisnan (result, 0, strlen (result) - 3, 0)
624 && strcmp (result + strlen (result) - 3, " 33") == 0);
625 ASSERT (retval == strlen (result));
629 static union { unsigned int word[4]; long double value; } x =
630 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
633 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
634 ASSERT (result != NULL);
635 ASSERT (strlen (result) >= 3 + 3
636 && strisnan (result, 0, strlen (result) - 3, 0)
637 && strcmp (result + strlen (result) - 3, " 33") == 0);
638 ASSERT (retval == strlen (result));
641 { /* Unnormalized number. */
642 static union { unsigned int word[4]; long double value; } x =
643 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
646 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
647 ASSERT (result != NULL);
648 ASSERT (strlen (result) >= 3 + 3
649 && strisnan (result, 0, strlen (result) - 3, 0)
650 && strcmp (result + strlen (result) - 3, " 33") == 0);
651 ASSERT (retval == strlen (result));
654 { /* Pseudo-Denormal. */
655 static union { unsigned int word[4]; long double value; } x =
656 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
659 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
660 ASSERT (result != NULL);
661 ASSERT (strlen (result) >= 3 + 3
662 && strisnan (result, 0, strlen (result) - 3, 0)
663 && strcmp (result + strlen (result) - 3, " 33") == 0);
664 ASSERT (retval == strlen (result));
669 { /* Rounding near the decimal point. */
672 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
673 ASSERT (result != NULL);
674 ASSERT (strcmp (result, "0x2p+0 33") == 0
675 || strcmp (result, "0x3p-1 33") == 0
676 || strcmp (result, "0x6p-2 33") == 0
677 || strcmp (result, "0xcp-3 33") == 0);
678 ASSERT (retval == strlen (result));
682 { /* Rounding with precision 0. */
685 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
686 ASSERT (result != NULL);
687 ASSERT (strcmp (result, "0x2p+0 33") == 0
688 || strcmp (result, "0x3p-1 33") == 0
689 || strcmp (result, "0x6p-2 33") == 0
690 || strcmp (result, "0xcp-3 33") == 0);
691 ASSERT (retval == strlen (result));
695 { /* Rounding with precision 1. */
698 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
699 ASSERT (result != NULL);
700 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
701 || strcmp (result, "0x3.0p-1 33") == 0
702 || strcmp (result, "0x6.1p-2 33") == 0
703 || strcmp (result, "0xc.1p-3 33") == 0);
704 ASSERT (retval == strlen (result));
708 { /* Rounding with precision 2. */
711 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
712 ASSERT (result != NULL);
713 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
714 || strcmp (result, "0x3.05p-1 33") == 0
715 || strcmp (result, "0x6.0ap-2 33") == 0
716 || strcmp (result, "0xc.14p-3 33") == 0);
717 ASSERT (retval == strlen (result));
721 { /* Rounding with precision 3. */
724 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
725 ASSERT (result != NULL);
726 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
727 || strcmp (result, "0x3.052p-1 33") == 0
728 || strcmp (result, "0x6.0a4p-2 33") == 0
729 || strcmp (result, "0xc.148p-3 33") == 0);
730 ASSERT (retval == strlen (result));
734 { /* Rounding can turn a ...FFF into a ...000. */
737 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
738 ASSERT (result != NULL);
739 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
740 || strcmp (result, "0x3.000p-1 33") == 0
741 || strcmp (result, "0x6.000p-2 33") == 0
742 || strcmp (result, "0xc.000p-3 33") == 0);
743 ASSERT (retval == strlen (result));
747 { /* Rounding can turn a ...FFF into a ...000.
748 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
749 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
752 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
753 ASSERT (result != NULL);
754 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
755 || strcmp (result, "0x2.0p+0 33") == 0
756 || strcmp (result, "0x4.0p-1 33") == 0
757 || strcmp (result, "0x8.0p-2 33") == 0);
758 ASSERT (retval == strlen (result));
765 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
766 ASSERT (result != NULL);
767 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
768 || strcmp (result, " 0x3.8p-1 33") == 0
769 || strcmp (result, " 0x7p-2 33") == 0
770 || strcmp (result, " 0xep-3 33") == 0);
771 ASSERT (retval == strlen (result));
775 { /* Small precision. */
778 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
779 ASSERT (result != NULL);
780 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
781 || strcmp (result, "0x3.8000000000p-1 33") == 0
782 || strcmp (result, "0x7.0000000000p-2 33") == 0
783 || strcmp (result, "0xe.0000000000p-3 33") == 0);
784 ASSERT (retval == strlen (result));
788 { /* Large precision. */
791 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
792 ASSERT (result != NULL);
793 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
794 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
795 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
796 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
797 ASSERT (retval == strlen (result));
804 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
805 ASSERT (result != NULL);
806 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
807 || strcmp (result, "0x3.8p-1 33") == 0
808 || strcmp (result, "0x7p-2 33") == 0
809 || strcmp (result, "0xep-3 33") == 0);
810 ASSERT (retval == strlen (result));
814 { /* FLAG_SHOWSIGN. */
817 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
818 ASSERT (result != NULL);
819 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
820 || strcmp (result, "+0x3.8p-1 33") == 0
821 || strcmp (result, "+0x7p-2 33") == 0
822 || strcmp (result, "+0xep-3 33") == 0);
823 ASSERT (retval == strlen (result));
830 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
831 ASSERT (result != NULL);
832 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
833 || strcmp (result, " 0x3.8p-1 33") == 0
834 || strcmp (result, " 0x7p-2 33") == 0
835 || strcmp (result, " 0xep-3 33") == 0);
836 ASSERT (retval == strlen (result));
843 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
844 ASSERT (result != NULL);
845 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
846 || strcmp (result, "0x3.8p-1 33") == 0
847 || strcmp (result, "0x7.p-2 33") == 0
848 || strcmp (result, "0xe.p-3 33") == 0);
849 ASSERT (retval == strlen (result));
856 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
857 ASSERT (result != NULL);
858 ASSERT (strcmp (result, "0x1.p+0 33") == 0
859 || strcmp (result, "0x2.p-1 33") == 0
860 || strcmp (result, "0x4.p-2 33") == 0
861 || strcmp (result, "0x8.p-3 33") == 0);
862 ASSERT (retval == strlen (result));
866 { /* FLAG_ZERO with finite number. */
869 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
870 ASSERT (result != NULL);
871 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
872 || strcmp (result, "0x003.8p-1 33") == 0
873 || strcmp (result, "0x00007p-2 33") == 0
874 || strcmp (result, "0x0000ep-3 33") == 0);
875 ASSERT (retval == strlen (result));
879 { /* FLAG_ZERO with infinite number. */
882 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
883 ASSERT (result != NULL);
884 /* "0000000inf 33" is not a valid result; see
885 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
886 ASSERT (strcmp (result, " inf 33") == 0);
887 ASSERT (retval == strlen (result));
891 { /* FLAG_ZERO with NaN. */
894 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
895 ASSERT (result != NULL);
896 /* "0000000nan 33" is not a valid result; see
897 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
898 ASSERT (strlen (result) == 50 + 3
899 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
900 && strcmp (result + strlen (result) - 3, " 33") == 0);
901 ASSERT (retval == strlen (result));
905 /* Test the support of the %f format directive. */
907 { /* A positive number. */
910 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
911 ASSERT (result != NULL);
912 ASSERT (strcmp (result, "12.750000 33") == 0);
913 ASSERT (retval == strlen (result));
917 { /* A larger positive number. */
920 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
921 ASSERT (result != NULL);
922 ASSERT (strcmp (result, "1234567.000000 33") == 0);
923 ASSERT (retval == strlen (result));
927 { /* Small and large positive numbers. */
928 static struct { double value; const char *string; } data[] =
930 { 1.234321234321234e-37, "0.000000" },
931 { 1.234321234321234e-36, "0.000000" },
932 { 1.234321234321234e-35, "0.000000" },
933 { 1.234321234321234e-34, "0.000000" },
934 { 1.234321234321234e-33, "0.000000" },
935 { 1.234321234321234e-32, "0.000000" },
936 { 1.234321234321234e-31, "0.000000" },
937 { 1.234321234321234e-30, "0.000000" },
938 { 1.234321234321234e-29, "0.000000" },
939 { 1.234321234321234e-28, "0.000000" },
940 { 1.234321234321234e-27, "0.000000" },
941 { 1.234321234321234e-26, "0.000000" },
942 { 1.234321234321234e-25, "0.000000" },
943 { 1.234321234321234e-24, "0.000000" },
944 { 1.234321234321234e-23, "0.000000" },
945 { 1.234321234321234e-22, "0.000000" },
946 { 1.234321234321234e-21, "0.000000" },
947 { 1.234321234321234e-20, "0.000000" },
948 { 1.234321234321234e-19, "0.000000" },
949 { 1.234321234321234e-18, "0.000000" },
950 { 1.234321234321234e-17, "0.000000" },
951 { 1.234321234321234e-16, "0.000000" },
952 { 1.234321234321234e-15, "0.000000" },
953 { 1.234321234321234e-14, "0.000000" },
954 { 1.234321234321234e-13, "0.000000" },
955 { 1.234321234321234e-12, "0.000000" },
956 { 1.234321234321234e-11, "0.000000" },
957 { 1.234321234321234e-10, "0.000000" },
958 { 1.234321234321234e-9, "0.000000" },
959 { 1.234321234321234e-8, "0.000000" },
960 { 1.234321234321234e-7, "0.000000" },
961 { 1.234321234321234e-6, "0.000001" },
962 { 1.234321234321234e-5, "0.000012" },
963 { 1.234321234321234e-4, "0.000123" },
964 { 1.234321234321234e-3, "0.001234" },
965 { 1.234321234321234e-2, "0.012343" },
966 { 1.234321234321234e-1, "0.123432" },
967 { 1.234321234321234, "1.234321" },
968 { 1.234321234321234e1, "12.343212" },
969 { 1.234321234321234e2, "123.432123" },
970 { 1.234321234321234e3, "1234.321234" },
971 { 1.234321234321234e4, "12343.212343" },
972 { 1.234321234321234e5, "123432.123432" },
973 { 1.234321234321234e6, "1234321.234321" },
974 { 1.234321234321234e7, "12343212.343212" },
975 { 1.234321234321234e8, "123432123.432123" },
976 { 1.234321234321234e9, "1234321234.321234" },
977 { 1.234321234321234e10, "12343212343.2123**" },
978 { 1.234321234321234e11, "123432123432.123***" },
979 { 1.234321234321234e12, "1234321234321.23****" },
980 { 1.234321234321234e13, "12343212343212.3*****" },
981 { 1.234321234321234e14, "123432123432123.******" },
982 { 1.234321234321234e15, "1234321234321234.000000" },
983 { 1.234321234321234e16, "123432123432123**.000000" },
984 { 1.234321234321234e17, "123432123432123***.000000" },
985 { 1.234321234321234e18, "123432123432123****.000000" },
986 { 1.234321234321234e19, "123432123432123*****.000000" },
987 { 1.234321234321234e20, "123432123432123******.000000" },
988 { 1.234321234321234e21, "123432123432123*******.000000" },
989 { 1.234321234321234e22, "123432123432123********.000000" },
990 { 1.234321234321234e23, "123432123432123*********.000000" },
991 { 1.234321234321234e24, "123432123432123**********.000000" },
992 { 1.234321234321234e25, "123432123432123***********.000000" },
993 { 1.234321234321234e26, "123432123432123************.000000" },
994 { 1.234321234321234e27, "123432123432123*************.000000" },
995 { 1.234321234321234e28, "123432123432123**************.000000" },
996 { 1.234321234321234e29, "123432123432123***************.000000" },
997 { 1.234321234321234e30, "123432123432123****************.000000" },
998 { 1.234321234321234e31, "123432123432123*****************.000000" },
999 { 1.234321234321234e32, "123432123432123******************.000000" },
1000 { 1.234321234321234e33, "123432123432123*******************.000000" },
1001 { 1.234321234321234e34, "123432123432123********************.000000" },
1002 { 1.234321234321234e35, "123432123432123*********************.000000" },
1003 { 1.234321234321234e36, "123432123432123**********************.000000" }
1006 for (k = 0; k < SIZEOF (data); k++)
1010 my_asprintf (&result, "%f", data[k].value);
1011 ASSERT (result != NULL);
1012 ASSERT (strmatch (data[k].string, result));
1013 ASSERT (retval == strlen (result));
1018 { /* A negative number. */
1021 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1022 ASSERT (result != NULL);
1023 ASSERT (strcmp (result, "-0.031250 33") == 0);
1024 ASSERT (retval == strlen (result));
1028 { /* Positive zero. */
1031 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1032 ASSERT (result != NULL);
1033 ASSERT (strcmp (result, "0.000000 33") == 0);
1034 ASSERT (retval == strlen (result));
1038 { /* Negative zero. */
1041 my_asprintf (&result, "%f %d", -zerod, 33, 44, 55);
1042 ASSERT (result != NULL);
1043 if (have_minus_zero ())
1044 ASSERT (strcmp (result, "-0.000000 33") == 0);
1045 ASSERT (retval == strlen (result));
1049 { /* Positive infinity. */
1052 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1053 ASSERT (result != NULL);
1054 ASSERT (strcmp (result, "inf 33") == 0
1055 || strcmp (result, "infinity 33") == 0);
1056 ASSERT (retval == strlen (result));
1060 { /* Negative infinity. */
1063 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1064 ASSERT (result != NULL);
1065 ASSERT (strcmp (result, "-inf 33") == 0
1066 || strcmp (result, "-infinity 33") == 0);
1067 ASSERT (retval == strlen (result));
1074 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1075 ASSERT (result != NULL);
1076 ASSERT (strlen (result) >= 3 + 3
1077 && strisnan (result, 0, strlen (result) - 3, 0)
1078 && strcmp (result + strlen (result) - 3, " 33") == 0);
1079 ASSERT (retval == strlen (result));
1086 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1087 ASSERT (result != NULL);
1088 ASSERT (strcmp (result, " 1.750000 33") == 0);
1089 ASSERT (retval == strlen (result));
1096 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1097 ASSERT (result != NULL);
1098 ASSERT (strcmp (result, "1.750000 33") == 0);
1099 ASSERT (retval == strlen (result));
1103 { /* FLAG_SHOWSIGN. */
1106 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1107 ASSERT (result != NULL);
1108 ASSERT (strcmp (result, "+1.750000 33") == 0);
1109 ASSERT (retval == strlen (result));
1116 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1117 ASSERT (result != NULL);
1118 ASSERT (strcmp (result, " 1.750000 33") == 0);
1119 ASSERT (retval == strlen (result));
1126 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1127 ASSERT (result != NULL);
1128 ASSERT (strcmp (result, "1.750000 33") == 0);
1129 ASSERT (retval == strlen (result));
1136 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1137 ASSERT (result != NULL);
1138 ASSERT (strcmp (result, "2. 33") == 0);
1139 ASSERT (retval == strlen (result));
1143 { /* FLAG_ZERO with finite number. */
1146 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1147 ASSERT (result != NULL);
1148 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1149 ASSERT (retval == strlen (result));
1153 { /* FLAG_ZERO with infinite number. */
1156 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1157 ASSERT (result != NULL);
1158 ASSERT (strcmp (result, " -inf 33") == 0
1159 || strcmp (result, " -infinity 33") == 0);
1160 ASSERT (retval == strlen (result));
1164 { /* FLAG_ZERO with NaN. */
1167 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1168 ASSERT (result != NULL);
1169 ASSERT (strlen (result) == 50 + 3
1170 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1171 && strcmp (result + strlen (result) - 3, " 33") == 0);
1172 ASSERT (retval == strlen (result));
1179 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1180 ASSERT (result != NULL);
1181 ASSERT (strcmp (result, "1234 33") == 0);
1182 ASSERT (retval == strlen (result));
1186 { /* Precision with no rounding. */
1189 my_asprintf (&result, "%.2f %d", 999.951, 33, 44, 55);
1190 ASSERT (result != NULL);
1191 ASSERT (strcmp (result, "999.95 33") == 0);
1192 ASSERT (retval == strlen (result));
1196 { /* Precision with rounding. */
1199 my_asprintf (&result, "%.2f %d", 999.996, 33, 44, 55);
1200 ASSERT (result != NULL);
1201 ASSERT (strcmp (result, "1000.00 33") == 0);
1202 ASSERT (retval == strlen (result));
1206 { /* A positive number. */
1209 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1210 ASSERT (result != NULL);
1211 ASSERT (strcmp (result, "12.750000 33") == 0);
1212 ASSERT (retval == strlen (result));
1216 { /* A larger positive number. */
1219 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1220 ASSERT (result != NULL);
1221 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1222 ASSERT (retval == strlen (result));
1226 { /* Small and large positive numbers. */
1227 static struct { long double value; const char *string; } data[] =
1229 { 1.234321234321234e-37L, "0.000000" },
1230 { 1.234321234321234e-36L, "0.000000" },
1231 { 1.234321234321234e-35L, "0.000000" },
1232 { 1.234321234321234e-34L, "0.000000" },
1233 { 1.234321234321234e-33L, "0.000000" },
1234 { 1.234321234321234e-32L, "0.000000" },
1235 { 1.234321234321234e-31L, "0.000000" },
1236 { 1.234321234321234e-30L, "0.000000" },
1237 { 1.234321234321234e-29L, "0.000000" },
1238 { 1.234321234321234e-28L, "0.000000" },
1239 { 1.234321234321234e-27L, "0.000000" },
1240 { 1.234321234321234e-26L, "0.000000" },
1241 { 1.234321234321234e-25L, "0.000000" },
1242 { 1.234321234321234e-24L, "0.000000" },
1243 { 1.234321234321234e-23L, "0.000000" },
1244 { 1.234321234321234e-22L, "0.000000" },
1245 { 1.234321234321234e-21L, "0.000000" },
1246 { 1.234321234321234e-20L, "0.000000" },
1247 { 1.234321234321234e-19L, "0.000000" },
1248 { 1.234321234321234e-18L, "0.000000" },
1249 { 1.234321234321234e-17L, "0.000000" },
1250 { 1.234321234321234e-16L, "0.000000" },
1251 { 1.234321234321234e-15L, "0.000000" },
1252 { 1.234321234321234e-14L, "0.000000" },
1253 { 1.234321234321234e-13L, "0.000000" },
1254 { 1.234321234321234e-12L, "0.000000" },
1255 { 1.234321234321234e-11L, "0.000000" },
1256 { 1.234321234321234e-10L, "0.000000" },
1257 { 1.234321234321234e-9L, "0.000000" },
1258 { 1.234321234321234e-8L, "0.000000" },
1259 { 1.234321234321234e-7L, "0.000000" },
1260 { 1.234321234321234e-6L, "0.000001" },
1261 { 1.234321234321234e-5L, "0.000012" },
1262 { 1.234321234321234e-4L, "0.000123" },
1263 { 1.234321234321234e-3L, "0.001234" },
1264 { 1.234321234321234e-2L, "0.012343" },
1265 { 1.234321234321234e-1L, "0.123432" },
1266 { 1.234321234321234L, "1.234321" },
1267 { 1.234321234321234e1L, "12.343212" },
1268 { 1.234321234321234e2L, "123.432123" },
1269 { 1.234321234321234e3L, "1234.321234" },
1270 { 1.234321234321234e4L, "12343.212343" },
1271 { 1.234321234321234e5L, "123432.123432" },
1272 { 1.234321234321234e6L, "1234321.234321" },
1273 { 1.234321234321234e7L, "12343212.343212" },
1274 { 1.234321234321234e8L, "123432123.432123" },
1275 { 1.234321234321234e9L, "1234321234.321234" },
1276 { 1.234321234321234e10L, "12343212343.2123**" },
1277 { 1.234321234321234e11L, "123432123432.123***" },
1278 { 1.234321234321234e12L, "1234321234321.23****" },
1279 { 1.234321234321234e13L, "12343212343212.3*****" },
1280 { 1.234321234321234e14L, "123432123432123.******" },
1281 { 1.234321234321234e15L, "1234321234321234.000000" },
1282 { 1.234321234321234e16L, "123432123432123**.000000" },
1283 { 1.234321234321234e17L, "123432123432123***.000000" },
1284 { 1.234321234321234e18L, "123432123432123****.000000" },
1285 { 1.234321234321234e19L, "123432123432123*****.000000" },
1286 { 1.234321234321234e20L, "123432123432123******.000000" },
1287 { 1.234321234321234e21L, "123432123432123*******.000000" },
1288 { 1.234321234321234e22L, "123432123432123********.000000" },
1289 { 1.234321234321234e23L, "123432123432123*********.000000" },
1290 { 1.234321234321234e24L, "123432123432123**********.000000" },
1291 { 1.234321234321234e25L, "123432123432123***********.000000" },
1292 { 1.234321234321234e26L, "123432123432123************.000000" },
1293 { 1.234321234321234e27L, "123432123432123*************.000000" },
1294 { 1.234321234321234e28L, "123432123432123**************.000000" },
1295 { 1.234321234321234e29L, "123432123432123***************.000000" },
1296 { 1.234321234321234e30L, "123432123432123****************.000000" },
1297 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1298 { 1.234321234321234e32L, "123432123432123******************.000000" },
1299 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1300 { 1.234321234321234e34L, "123432123432123********************.000000" },
1301 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1302 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1305 for (k = 0; k < SIZEOF (data); k++)
1309 my_asprintf (&result, "%Lf", data[k].value);
1310 ASSERT (result != NULL);
1311 ASSERT (strmatch (data[k].string, result));
1312 ASSERT (retval == strlen (result));
1317 { /* A negative number. */
1320 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1321 ASSERT (result != NULL);
1322 ASSERT (strcmp (result, "-0.031250 33") == 0);
1323 ASSERT (retval == strlen (result));
1327 { /* Positive zero. */
1330 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1331 ASSERT (result != NULL);
1332 ASSERT (strcmp (result, "0.000000 33") == 0);
1333 ASSERT (retval == strlen (result));
1337 { /* Negative zero. */
1340 my_asprintf (&result, "%Lf %d", minus_zerol, 33, 44, 55);
1341 ASSERT (result != NULL);
1342 if (have_minus_zero ())
1343 ASSERT (strcmp (result, "-0.000000 33") == 0);
1344 ASSERT (retval == strlen (result));
1348 { /* Positive infinity. */
1351 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1352 ASSERT (result != NULL);
1353 ASSERT (strcmp (result, "inf 33") == 0
1354 || strcmp (result, "infinity 33") == 0);
1355 ASSERT (retval == strlen (result));
1359 { /* Negative infinity. */
1362 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1363 ASSERT (result != NULL);
1364 ASSERT (strcmp (result, "-inf 33") == 0
1365 || strcmp (result, "-infinity 33") == 0);
1366 ASSERT (retval == strlen (result));
1373 my_asprintf (&result, "%Lf %d", NaNl (), 33, 44, 55);
1374 ASSERT (result != NULL);
1375 ASSERT (strlen (result) >= 3 + 3
1376 && strisnan (result, 0, strlen (result) - 3, 0)
1377 && strcmp (result + strlen (result) - 3, " 33") == 0);
1378 ASSERT (retval == strlen (result));
1381 #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_))
1383 static union { unsigned int word[4]; long double value; } x =
1384 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1387 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1388 ASSERT (result != NULL);
1389 ASSERT (strlen (result) >= 3 + 3
1390 && strisnan (result, 0, strlen (result) - 3, 0)
1391 && strcmp (result + strlen (result) - 3, " 33") == 0);
1392 ASSERT (retval == strlen (result));
1396 /* Signalling NaN. */
1397 static union { unsigned int word[4]; long double value; } x =
1398 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1401 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1402 ASSERT (result != NULL);
1403 ASSERT (strlen (result) >= 3 + 3
1404 && strisnan (result, 0, strlen (result) - 3, 0)
1405 && strcmp (result + strlen (result) - 3, " 33") == 0);
1406 ASSERT (retval == strlen (result));
1409 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1410 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1411 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1412 Application Architecture.
1413 Table 5-2 "Floating-Point Register Encodings"
1414 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1417 static union { unsigned int word[4]; long double value; } x =
1418 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1421 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1422 ASSERT (result != NULL);
1423 ASSERT (strlen (result) >= 3 + 3
1424 && strisnan (result, 0, strlen (result) - 3, 0)
1425 && strcmp (result + strlen (result) - 3, " 33") == 0);
1426 ASSERT (retval == strlen (result));
1429 { /* Pseudo-Infinity. */
1430 static union { unsigned int word[4]; long double value; } x =
1431 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1434 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1435 ASSERT (result != NULL);
1436 ASSERT (strlen (result) >= 3 + 3
1437 && strisnan (result, 0, strlen (result) - 3, 0)
1438 && strcmp (result + strlen (result) - 3, " 33") == 0);
1439 ASSERT (retval == strlen (result));
1442 { /* Pseudo-Zero. */
1443 static union { unsigned int word[4]; long double value; } x =
1444 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1447 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1448 ASSERT (result != NULL);
1449 ASSERT (strlen (result) >= 3 + 3
1450 && strisnan (result, 0, strlen (result) - 3, 0)
1451 && strcmp (result + strlen (result) - 3, " 33") == 0);
1452 ASSERT (retval == strlen (result));
1455 { /* Unnormalized number. */
1456 static union { unsigned int word[4]; long double value; } x =
1457 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1460 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1461 ASSERT (result != NULL);
1462 ASSERT (strlen (result) >= 3 + 3
1463 && strisnan (result, 0, strlen (result) - 3, 0)
1464 && strcmp (result + strlen (result) - 3, " 33") == 0);
1465 ASSERT (retval == strlen (result));
1468 { /* Pseudo-Denormal. */
1469 static union { unsigned int word[4]; long double value; } x =
1470 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1473 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1474 ASSERT (result != NULL);
1475 ASSERT (strlen (result) >= 3 + 3
1476 && strisnan (result, 0, strlen (result) - 3, 0)
1477 && strcmp (result + strlen (result) - 3, " 33") == 0);
1478 ASSERT (retval == strlen (result));
1486 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1487 ASSERT (result != NULL);
1488 ASSERT (strcmp (result, " 1.750000 33") == 0);
1489 ASSERT (retval == strlen (result));
1496 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1497 ASSERT (result != NULL);
1498 ASSERT (strcmp (result, "1.750000 33") == 0);
1499 ASSERT (retval == strlen (result));
1503 { /* FLAG_SHOWSIGN. */
1506 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1507 ASSERT (result != NULL);
1508 ASSERT (strcmp (result, "+1.750000 33") == 0);
1509 ASSERT (retval == strlen (result));
1516 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1517 ASSERT (result != NULL);
1518 ASSERT (strcmp (result, " 1.750000 33") == 0);
1519 ASSERT (retval == strlen (result));
1526 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1527 ASSERT (result != NULL);
1528 ASSERT (strcmp (result, "1.750000 33") == 0);
1529 ASSERT (retval == strlen (result));
1536 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1537 ASSERT (result != NULL);
1538 ASSERT (strcmp (result, "2. 33") == 0);
1539 ASSERT (retval == strlen (result));
1543 { /* FLAG_ZERO with finite number. */
1546 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1547 ASSERT (result != NULL);
1548 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1549 ASSERT (retval == strlen (result));
1553 { /* FLAG_ZERO with infinite number. */
1556 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1557 ASSERT (result != NULL);
1558 ASSERT (strcmp (result, " -inf 33") == 0
1559 || strcmp (result, " -infinity 33") == 0);
1560 ASSERT (retval == strlen (result));
1564 { /* FLAG_ZERO with NaN. */
1567 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1568 ASSERT (result != NULL);
1569 ASSERT (strlen (result) == 50 + 3
1570 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1571 && strcmp (result + strlen (result) - 3, " 33") == 0);
1572 ASSERT (retval == strlen (result));
1579 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1580 ASSERT (result != NULL);
1581 ASSERT (strcmp (result, "1234 33") == 0);
1582 ASSERT (retval == strlen (result));
1586 { /* Precision with no rounding. */
1589 my_asprintf (&result, "%.2Lf %d", 999.951L, 33, 44, 55);
1590 ASSERT (result != NULL);
1591 ASSERT (strcmp (result, "999.95 33") == 0);
1592 ASSERT (retval == strlen (result));
1596 { /* Precision with rounding. */
1599 my_asprintf (&result, "%.2Lf %d", 999.996L, 33, 44, 55);
1600 ASSERT (result != NULL);
1601 ASSERT (strcmp (result, "1000.00 33") == 0);
1602 ASSERT (retval == strlen (result));
1606 /* Test the support of the %F format directive. */
1608 { /* A positive number. */
1611 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1612 ASSERT (result != NULL);
1613 ASSERT (strcmp (result, "12.750000 33") == 0);
1614 ASSERT (retval == strlen (result));
1618 { /* A larger positive number. */
1621 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1622 ASSERT (result != NULL);
1623 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1624 ASSERT (retval == strlen (result));
1628 { /* A negative number. */
1631 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1632 ASSERT (result != NULL);
1633 ASSERT (strcmp (result, "-0.031250 33") == 0);
1634 ASSERT (retval == strlen (result));
1638 { /* Positive zero. */
1641 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1642 ASSERT (result != NULL);
1643 ASSERT (strcmp (result, "0.000000 33") == 0);
1644 ASSERT (retval == strlen (result));
1648 { /* Negative zero. */
1651 my_asprintf (&result, "%F %d", -zerod, 33, 44, 55);
1652 ASSERT (result != NULL);
1653 if (have_minus_zero ())
1654 ASSERT (strcmp (result, "-0.000000 33") == 0);
1655 ASSERT (retval == strlen (result));
1659 { /* Positive infinity. */
1662 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1663 ASSERT (result != NULL);
1664 ASSERT (strcmp (result, "INF 33") == 0
1665 || strcmp (result, "INFINITY 33") == 0);
1666 ASSERT (retval == strlen (result));
1670 { /* Negative infinity. */
1673 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1674 ASSERT (result != NULL);
1675 ASSERT (strcmp (result, "-INF 33") == 0
1676 || strcmp (result, "-INFINITY 33") == 0);
1677 ASSERT (retval == strlen (result));
1684 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1685 ASSERT (result != NULL);
1686 ASSERT (strlen (result) >= 3 + 3
1687 && strisnan (result, 0, strlen (result) - 3, 1)
1688 && strcmp (result + strlen (result) - 3, " 33") == 0);
1689 ASSERT (retval == strlen (result));
1696 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1697 ASSERT (result != NULL);
1698 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1699 ASSERT (retval == strlen (result));
1703 { /* FLAG_ZERO with infinite number. */
1706 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1707 ASSERT (result != NULL);
1708 ASSERT (strcmp (result, " -INF 33") == 0
1709 || strcmp (result, " -INFINITY 33") == 0);
1710 ASSERT (retval == strlen (result));
1717 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1718 ASSERT (result != NULL);
1719 ASSERT (strcmp (result, "1234 33") == 0);
1720 ASSERT (retval == strlen (result));
1724 { /* Precision with no rounding. */
1727 my_asprintf (&result, "%.2F %d", 999.951, 33, 44, 55);
1728 ASSERT (result != NULL);
1729 ASSERT (strcmp (result, "999.95 33") == 0);
1730 ASSERT (retval == strlen (result));
1734 { /* Precision with rounding. */
1737 my_asprintf (&result, "%.2F %d", 999.996, 33, 44, 55);
1738 ASSERT (result != NULL);
1739 ASSERT (strcmp (result, "1000.00 33") == 0);
1740 ASSERT (retval == strlen (result));
1744 { /* A positive number. */
1747 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1748 ASSERT (result != NULL);
1749 ASSERT (strcmp (result, "12.750000 33") == 0);
1750 ASSERT (retval == strlen (result));
1754 { /* A larger positive number. */
1757 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1758 ASSERT (result != NULL);
1759 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1760 ASSERT (retval == strlen (result));
1764 { /* A negative number. */
1767 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1768 ASSERT (result != NULL);
1769 ASSERT (strcmp (result, "-0.031250 33") == 0);
1770 ASSERT (retval == strlen (result));
1774 { /* Positive zero. */
1777 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1778 ASSERT (result != NULL);
1779 ASSERT (strcmp (result, "0.000000 33") == 0);
1780 ASSERT (retval == strlen (result));
1784 { /* Negative zero. */
1787 my_asprintf (&result, "%LF %d", minus_zerol, 33, 44, 55);
1788 ASSERT (result != NULL);
1789 if (have_minus_zero ())
1790 ASSERT (strcmp (result, "-0.000000 33") == 0);
1791 ASSERT (retval == strlen (result));
1795 { /* Positive infinity. */
1798 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1799 ASSERT (result != NULL);
1800 ASSERT (strcmp (result, "INF 33") == 0
1801 || strcmp (result, "INFINITY 33") == 0);
1802 ASSERT (retval == strlen (result));
1806 { /* Negative infinity. */
1809 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1810 ASSERT (result != NULL);
1811 ASSERT (strcmp (result, "-INF 33") == 0
1812 || strcmp (result, "-INFINITY 33") == 0);
1813 ASSERT (retval == strlen (result));
1820 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1821 ASSERT (result != NULL);
1822 ASSERT (strlen (result) >= 3 + 3
1823 && strisnan (result, 0, strlen (result) - 3, 1)
1824 && strcmp (result + strlen (result) - 3, " 33") == 0);
1825 ASSERT (retval == strlen (result));
1832 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1833 ASSERT (result != NULL);
1834 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1835 ASSERT (retval == strlen (result));
1839 { /* FLAG_ZERO with infinite number. */
1842 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1843 ASSERT (result != NULL);
1844 ASSERT (strcmp (result, " -INF 33") == 0
1845 || strcmp (result, " -INFINITY 33") == 0);
1846 ASSERT (retval == strlen (result));
1853 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1854 ASSERT (result != NULL);
1855 ASSERT (strcmp (result, "1234 33") == 0);
1856 ASSERT (retval == strlen (result));
1860 { /* Precision with no rounding. */
1863 my_asprintf (&result, "%.2LF %d", 999.951L, 33, 44, 55);
1864 ASSERT (result != NULL);
1865 ASSERT (strcmp (result, "999.95 33") == 0);
1866 ASSERT (retval == strlen (result));
1870 { /* Precision with rounding. */
1873 my_asprintf (&result, "%.2LF %d", 999.996L, 33, 44, 55);
1874 ASSERT (result != NULL);
1875 ASSERT (strcmp (result, "1000.00 33") == 0);
1876 ASSERT (retval == strlen (result));
1880 /* Test the support of the %e format directive. */
1882 { /* A positive number. */
1885 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1886 ASSERT (result != NULL);
1887 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1888 || strcmp (result, "1.275000e+001 33") == 0);
1889 ASSERT (retval == strlen (result));
1893 { /* A larger positive number. */
1896 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1897 ASSERT (result != NULL);
1898 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1899 || strcmp (result, "1.234567e+006 33") == 0);
1900 ASSERT (retval == strlen (result));
1904 { /* Small and large positive numbers. */
1905 static struct { double value; const char *string; } data[] =
1907 { 1.234321234321234e-37, "1.234321e-37" },
1908 { 1.234321234321234e-36, "1.234321e-36" },
1909 { 1.234321234321234e-35, "1.234321e-35" },
1910 { 1.234321234321234e-34, "1.234321e-34" },
1911 { 1.234321234321234e-33, "1.234321e-33" },
1912 { 1.234321234321234e-32, "1.234321e-32" },
1913 { 1.234321234321234e-31, "1.234321e-31" },
1914 { 1.234321234321234e-30, "1.234321e-30" },
1915 { 1.234321234321234e-29, "1.234321e-29" },
1916 { 1.234321234321234e-28, "1.234321e-28" },
1917 { 1.234321234321234e-27, "1.234321e-27" },
1918 { 1.234321234321234e-26, "1.234321e-26" },
1919 { 1.234321234321234e-25, "1.234321e-25" },
1920 { 1.234321234321234e-24, "1.234321e-24" },
1921 { 1.234321234321234e-23, "1.234321e-23" },
1922 { 1.234321234321234e-22, "1.234321e-22" },
1923 { 1.234321234321234e-21, "1.234321e-21" },
1924 { 1.234321234321234e-20, "1.234321e-20" },
1925 { 1.234321234321234e-19, "1.234321e-19" },
1926 { 1.234321234321234e-18, "1.234321e-18" },
1927 { 1.234321234321234e-17, "1.234321e-17" },
1928 { 1.234321234321234e-16, "1.234321e-16" },
1929 { 1.234321234321234e-15, "1.234321e-15" },
1930 { 1.234321234321234e-14, "1.234321e-14" },
1931 { 1.234321234321234e-13, "1.234321e-13" },
1932 { 1.234321234321234e-12, "1.234321e-12" },
1933 { 1.234321234321234e-11, "1.234321e-11" },
1934 { 1.234321234321234e-10, "1.234321e-10" },
1935 { 1.234321234321234e-9, "1.234321e-09" },
1936 { 1.234321234321234e-8, "1.234321e-08" },
1937 { 1.234321234321234e-7, "1.234321e-07" },
1938 { 1.234321234321234e-6, "1.234321e-06" },
1939 { 1.234321234321234e-5, "1.234321e-05" },
1940 { 1.234321234321234e-4, "1.234321e-04" },
1941 { 1.234321234321234e-3, "1.234321e-03" },
1942 { 1.234321234321234e-2, "1.234321e-02" },
1943 { 1.234321234321234e-1, "1.234321e-01" },
1944 { 1.234321234321234, "1.234321e+00" },
1945 { 1.234321234321234e1, "1.234321e+01" },
1946 { 1.234321234321234e2, "1.234321e+02" },
1947 { 1.234321234321234e3, "1.234321e+03" },
1948 { 1.234321234321234e4, "1.234321e+04" },
1949 { 1.234321234321234e5, "1.234321e+05" },
1950 { 1.234321234321234e6, "1.234321e+06" },
1951 { 1.234321234321234e7, "1.234321e+07" },
1952 { 1.234321234321234e8, "1.234321e+08" },
1953 { 1.234321234321234e9, "1.234321e+09" },
1954 { 1.234321234321234e10, "1.234321e+10" },
1955 { 1.234321234321234e11, "1.234321e+11" },
1956 { 1.234321234321234e12, "1.234321e+12" },
1957 { 1.234321234321234e13, "1.234321e+13" },
1958 { 1.234321234321234e14, "1.234321e+14" },
1959 { 1.234321234321234e15, "1.234321e+15" },
1960 { 1.234321234321234e16, "1.234321e+16" },
1961 { 1.234321234321234e17, "1.234321e+17" },
1962 { 1.234321234321234e18, "1.234321e+18" },
1963 { 1.234321234321234e19, "1.234321e+19" },
1964 { 1.234321234321234e20, "1.234321e+20" },
1965 { 1.234321234321234e21, "1.234321e+21" },
1966 { 1.234321234321234e22, "1.234321e+22" },
1967 { 1.234321234321234e23, "1.234321e+23" },
1968 { 1.234321234321234e24, "1.234321e+24" },
1969 { 1.234321234321234e25, "1.234321e+25" },
1970 { 1.234321234321234e26, "1.234321e+26" },
1971 { 1.234321234321234e27, "1.234321e+27" },
1972 { 1.234321234321234e28, "1.234321e+28" },
1973 { 1.234321234321234e29, "1.234321e+29" },
1974 { 1.234321234321234e30, "1.234321e+30" },
1975 { 1.234321234321234e31, "1.234321e+31" },
1976 { 1.234321234321234e32, "1.234321e+32" },
1977 { 1.234321234321234e33, "1.234321e+33" },
1978 { 1.234321234321234e34, "1.234321e+34" },
1979 { 1.234321234321234e35, "1.234321e+35" },
1980 { 1.234321234321234e36, "1.234321e+36" }
1983 for (k = 0; k < SIZEOF (data); k++)
1987 my_asprintf (&result, "%e", data[k].value);
1988 const char *expected = data[k].string;
1989 ASSERT (result != NULL);
1990 ASSERT (strcmp (result, expected) == 0
1991 /* Some implementations produce exponents with 3 digits. */
1992 || (strlen (result) == strlen (expected) + 1
1993 && memcmp (result, expected, strlen (expected) - 2) == 0
1994 && result[strlen (expected) - 2] == '0'
1995 && strcmp (result + strlen (expected) - 1,
1996 expected + strlen (expected) - 2)
1998 ASSERT (retval == strlen (result));
2003 { /* A negative number. */
2006 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
2007 ASSERT (result != NULL);
2008 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2009 || strcmp (result, "-3.125000e-002 33") == 0);
2010 ASSERT (retval == strlen (result));
2014 { /* Positive zero. */
2017 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
2018 ASSERT (result != NULL);
2019 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2020 || strcmp (result, "0.000000e+000 33") == 0);
2021 ASSERT (retval == strlen (result));
2025 { /* Negative zero. */
2028 my_asprintf (&result, "%e %d", -zerod, 33, 44, 55);
2029 ASSERT (result != NULL);
2030 if (have_minus_zero ())
2031 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2032 || strcmp (result, "-0.000000e+000 33") == 0);
2033 ASSERT (retval == strlen (result));
2037 { /* Positive infinity. */
2040 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
2041 ASSERT (result != NULL);
2042 ASSERT (strcmp (result, "inf 33") == 0
2043 || strcmp (result, "infinity 33") == 0);
2044 ASSERT (retval == strlen (result));
2048 { /* Negative infinity. */
2051 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
2052 ASSERT (result != NULL);
2053 ASSERT (strcmp (result, "-inf 33") == 0
2054 || strcmp (result, "-infinity 33") == 0);
2055 ASSERT (retval == strlen (result));
2062 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
2063 ASSERT (result != NULL);
2064 ASSERT (strlen (result) >= 3 + 3
2065 && strisnan (result, 0, strlen (result) - 3, 0)
2066 && strcmp (result + strlen (result) - 3, " 33") == 0);
2067 ASSERT (retval == strlen (result));
2074 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
2075 ASSERT (result != NULL);
2076 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2077 || strcmp (result, " 1.750000e+000 33") == 0);
2078 ASSERT (retval == strlen (result));
2085 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
2086 ASSERT (result != NULL);
2087 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2088 || strcmp (result, "1.750000e+000 33") == 0);
2089 ASSERT (retval == strlen (result));
2093 { /* FLAG_SHOWSIGN. */
2096 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2097 ASSERT (result != NULL);
2098 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2099 || strcmp (result, "+1.750000e+000 33") == 0);
2100 ASSERT (retval == strlen (result));
2107 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2108 ASSERT (result != NULL);
2109 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2110 || strcmp (result, " 1.750000e+000 33") == 0);
2111 ASSERT (retval == strlen (result));
2118 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2119 ASSERT (result != NULL);
2120 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2121 || strcmp (result, "1.750000e+000 33") == 0);
2122 ASSERT (retval == strlen (result));
2129 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2130 ASSERT (result != NULL);
2131 ASSERT (strcmp (result, "2.e+00 33") == 0
2132 || strcmp (result, "2.e+000 33") == 0);
2133 ASSERT (retval == strlen (result));
2140 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2141 ASSERT (result != NULL);
2142 ASSERT (strcmp (result, "1.e+01 33") == 0
2143 || strcmp (result, "1.e+001 33") == 0);
2144 ASSERT (retval == strlen (result));
2148 { /* FLAG_ZERO with finite number. */
2151 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2152 ASSERT (result != NULL);
2153 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2154 || strcmp (result, "001.234000e+003 33") == 0);
2155 ASSERT (retval == strlen (result));
2159 { /* FLAG_ZERO with infinite number. */
2162 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2163 ASSERT (result != NULL);
2164 ASSERT (strcmp (result, " -inf 33") == 0
2165 || strcmp (result, " -infinity 33") == 0);
2166 ASSERT (retval == strlen (result));
2170 { /* FLAG_ZERO with NaN. */
2173 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2174 ASSERT (result != NULL);
2175 ASSERT (strlen (result) == 50 + 3
2176 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2177 && strcmp (result + strlen (result) - 3, " 33") == 0);
2178 ASSERT (retval == strlen (result));
2185 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2186 ASSERT (result != NULL);
2187 ASSERT (strcmp (result, "1e+03 33") == 0
2188 || strcmp (result, "1e+003 33") == 0);
2189 ASSERT (retval == strlen (result));
2193 { /* Precision with no rounding. */
2196 my_asprintf (&result, "%.4e %d", 999.951, 33, 44, 55);
2197 ASSERT (result != NULL);
2198 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2199 || strcmp (result, "9.9995e+002 33") == 0);
2200 ASSERT (retval == strlen (result));
2204 { /* Precision with rounding. */
2207 my_asprintf (&result, "%.4e %d", 999.996, 33, 44, 55);
2208 ASSERT (result != NULL);
2209 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2210 || strcmp (result, "1.0000e+003 33") == 0);
2211 ASSERT (retval == strlen (result));
2215 { /* A positive number. */
2218 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2219 ASSERT (result != NULL);
2220 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2221 || strcmp (result, "1.275000e+001 33") == 0);
2222 ASSERT (retval == strlen (result));
2226 { /* A larger positive number. */
2229 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2230 ASSERT (result != NULL);
2231 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2232 || strcmp (result, "1.234567e+006 33") == 0);
2233 ASSERT (retval == strlen (result));
2237 { /* Small and large positive numbers. */
2238 static struct { long double value; const char *string; } data[] =
2240 { 1.234321234321234e-37L, "1.234321e-37" },
2241 { 1.234321234321234e-36L, "1.234321e-36" },
2242 { 1.234321234321234e-35L, "1.234321e-35" },
2243 { 1.234321234321234e-34L, "1.234321e-34" },
2244 { 1.234321234321234e-33L, "1.234321e-33" },
2245 { 1.234321234321234e-32L, "1.234321e-32" },
2246 { 1.234321234321234e-31L, "1.234321e-31" },
2247 { 1.234321234321234e-30L, "1.234321e-30" },
2248 { 1.234321234321234e-29L, "1.234321e-29" },
2249 { 1.234321234321234e-28L, "1.234321e-28" },
2250 { 1.234321234321234e-27L, "1.234321e-27" },
2251 { 1.234321234321234e-26L, "1.234321e-26" },
2252 { 1.234321234321234e-25L, "1.234321e-25" },
2253 { 1.234321234321234e-24L, "1.234321e-24" },
2254 { 1.234321234321234e-23L, "1.234321e-23" },
2255 { 1.234321234321234e-22L, "1.234321e-22" },
2256 { 1.234321234321234e-21L, "1.234321e-21" },
2257 { 1.234321234321234e-20L, "1.234321e-20" },
2258 { 1.234321234321234e-19L, "1.234321e-19" },
2259 { 1.234321234321234e-18L, "1.234321e-18" },
2260 { 1.234321234321234e-17L, "1.234321e-17" },
2261 { 1.234321234321234e-16L, "1.234321e-16" },
2262 { 1.234321234321234e-15L, "1.234321e-15" },
2263 { 1.234321234321234e-14L, "1.234321e-14" },
2264 { 1.234321234321234e-13L, "1.234321e-13" },
2265 { 1.234321234321234e-12L, "1.234321e-12" },
2266 { 1.234321234321234e-11L, "1.234321e-11" },
2267 { 1.234321234321234e-10L, "1.234321e-10" },
2268 { 1.234321234321234e-9L, "1.234321e-09" },
2269 { 1.234321234321234e-8L, "1.234321e-08" },
2270 { 1.234321234321234e-7L, "1.234321e-07" },
2271 { 1.234321234321234e-6L, "1.234321e-06" },
2272 { 1.234321234321234e-5L, "1.234321e-05" },
2273 { 1.234321234321234e-4L, "1.234321e-04" },
2274 { 1.234321234321234e-3L, "1.234321e-03" },
2275 { 1.234321234321234e-2L, "1.234321e-02" },
2276 { 1.234321234321234e-1L, "1.234321e-01" },
2277 { 1.234321234321234L, "1.234321e+00" },
2278 { 1.234321234321234e1L, "1.234321e+01" },
2279 { 1.234321234321234e2L, "1.234321e+02" },
2280 { 1.234321234321234e3L, "1.234321e+03" },
2281 { 1.234321234321234e4L, "1.234321e+04" },
2282 { 1.234321234321234e5L, "1.234321e+05" },
2283 { 1.234321234321234e6L, "1.234321e+06" },
2284 { 1.234321234321234e7L, "1.234321e+07" },
2285 { 1.234321234321234e8L, "1.234321e+08" },
2286 { 1.234321234321234e9L, "1.234321e+09" },
2287 { 1.234321234321234e10L, "1.234321e+10" },
2288 { 1.234321234321234e11L, "1.234321e+11" },
2289 { 1.234321234321234e12L, "1.234321e+12" },
2290 { 1.234321234321234e13L, "1.234321e+13" },
2291 { 1.234321234321234e14L, "1.234321e+14" },
2292 { 1.234321234321234e15L, "1.234321e+15" },
2293 { 1.234321234321234e16L, "1.234321e+16" },
2294 { 1.234321234321234e17L, "1.234321e+17" },
2295 { 1.234321234321234e18L, "1.234321e+18" },
2296 { 1.234321234321234e19L, "1.234321e+19" },
2297 { 1.234321234321234e20L, "1.234321e+20" },
2298 { 1.234321234321234e21L, "1.234321e+21" },
2299 { 1.234321234321234e22L, "1.234321e+22" },
2300 { 1.234321234321234e23L, "1.234321e+23" },
2301 { 1.234321234321234e24L, "1.234321e+24" },
2302 { 1.234321234321234e25L, "1.234321e+25" },
2303 { 1.234321234321234e26L, "1.234321e+26" },
2304 { 1.234321234321234e27L, "1.234321e+27" },
2305 { 1.234321234321234e28L, "1.234321e+28" },
2306 { 1.234321234321234e29L, "1.234321e+29" },
2307 { 1.234321234321234e30L, "1.234321e+30" },
2308 { 1.234321234321234e31L, "1.234321e+31" },
2309 { 1.234321234321234e32L, "1.234321e+32" },
2310 { 1.234321234321234e33L, "1.234321e+33" },
2311 { 1.234321234321234e34L, "1.234321e+34" },
2312 { 1.234321234321234e35L, "1.234321e+35" },
2313 { 1.234321234321234e36L, "1.234321e+36" }
2316 for (k = 0; k < SIZEOF (data); k++)
2320 my_asprintf (&result, "%Le", data[k].value);
2321 const char *expected = data[k].string;
2322 ASSERT (result != NULL);
2323 ASSERT (strcmp (result, expected) == 0
2324 /* Some implementations produce exponents with 3 digits. */
2325 || (strlen (result) == strlen (expected) + 1
2326 && memcmp (result, expected, strlen (expected) - 2) == 0
2327 && result[strlen (expected) - 2] == '0'
2328 && strcmp (result + strlen (expected) - 1,
2329 expected + strlen (expected) - 2)
2331 ASSERT (retval == strlen (result));
2336 { /* A negative number. */
2339 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2340 ASSERT (result != NULL);
2341 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2342 || strcmp (result, "-3.125000e-002 33") == 0);
2343 ASSERT (retval == strlen (result));
2347 { /* Positive zero. */
2350 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2351 ASSERT (result != NULL);
2352 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2353 || strcmp (result, "0.000000e+000 33") == 0);
2354 ASSERT (retval == strlen (result));
2358 { /* Negative zero. */
2361 my_asprintf (&result, "%Le %d", minus_zerol, 33, 44, 55);
2362 ASSERT (result != NULL);
2363 if (have_minus_zero ())
2364 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2365 || strcmp (result, "-0.000000e+000 33") == 0);
2366 ASSERT (retval == strlen (result));
2370 { /* Positive infinity. */
2373 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2374 ASSERT (result != NULL);
2375 ASSERT (strcmp (result, "inf 33") == 0
2376 || strcmp (result, "infinity 33") == 0);
2377 ASSERT (retval == strlen (result));
2381 { /* Negative infinity. */
2384 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2385 ASSERT (result != NULL);
2386 ASSERT (strcmp (result, "-inf 33") == 0
2387 || strcmp (result, "-infinity 33") == 0);
2388 ASSERT (retval == strlen (result));
2395 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2396 ASSERT (result != NULL);
2397 ASSERT (strlen (result) >= 3 + 3
2398 && strisnan (result, 0, strlen (result) - 3, 0)
2399 && strcmp (result + strlen (result) - 3, " 33") == 0);
2400 ASSERT (retval == strlen (result));
2403 #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_))
2405 static union { unsigned int word[4]; long double value; } x =
2406 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2409 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2410 ASSERT (result != NULL);
2411 ASSERT (strlen (result) >= 3 + 3
2412 && strisnan (result, 0, strlen (result) - 3, 0)
2413 && strcmp (result + strlen (result) - 3, " 33") == 0);
2414 ASSERT (retval == strlen (result));
2418 /* Signalling NaN. */
2419 static union { unsigned int word[4]; long double value; } x =
2420 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2423 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2424 ASSERT (result != NULL);
2425 ASSERT (strlen (result) >= 3 + 3
2426 && strisnan (result, 0, strlen (result) - 3, 0)
2427 && strcmp (result + strlen (result) - 3, " 33") == 0);
2428 ASSERT (retval == strlen (result));
2431 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2432 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2433 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2434 Application Architecture.
2435 Table 5-2 "Floating-Point Register Encodings"
2436 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2439 static union { unsigned int word[4]; long double value; } x =
2440 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2443 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2444 ASSERT (result != NULL);
2445 ASSERT (strlen (result) >= 3 + 3
2446 && strisnan (result, 0, strlen (result) - 3, 0)
2447 && strcmp (result + strlen (result) - 3, " 33") == 0);
2448 ASSERT (retval == strlen (result));
2451 { /* Pseudo-Infinity. */
2452 static union { unsigned int word[4]; long double value; } x =
2453 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2456 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2457 ASSERT (result != NULL);
2458 ASSERT (strlen (result) >= 3 + 3
2459 && strisnan (result, 0, strlen (result) - 3, 0)
2460 && strcmp (result + strlen (result) - 3, " 33") == 0);
2461 ASSERT (retval == strlen (result));
2464 { /* Pseudo-Zero. */
2465 static union { unsigned int word[4]; long double value; } x =
2466 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2469 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2470 ASSERT (result != NULL);
2471 ASSERT (strlen (result) >= 3 + 3
2472 && strisnan (result, 0, strlen (result) - 3, 0)
2473 && strcmp (result + strlen (result) - 3, " 33") == 0);
2474 ASSERT (retval == strlen (result));
2477 { /* Unnormalized number. */
2478 static union { unsigned int word[4]; long double value; } x =
2479 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2482 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2483 ASSERT (result != NULL);
2484 ASSERT (strlen (result) >= 3 + 3
2485 && strisnan (result, 0, strlen (result) - 3, 0)
2486 && strcmp (result + strlen (result) - 3, " 33") == 0);
2487 ASSERT (retval == strlen (result));
2490 { /* Pseudo-Denormal. */
2491 static union { unsigned int word[4]; long double value; } x =
2492 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2495 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2496 ASSERT (result != NULL);
2497 ASSERT (strlen (result) >= 3 + 3
2498 && strisnan (result, 0, strlen (result) - 3, 0)
2499 && strcmp (result + strlen (result) - 3, " 33") == 0);
2500 ASSERT (retval == strlen (result));
2508 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2509 ASSERT (result != NULL);
2510 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2511 || strcmp (result, " 1.750000e+000 33") == 0);
2512 ASSERT (retval == strlen (result));
2519 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2520 ASSERT (result != NULL);
2521 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2522 || strcmp (result, "1.750000e+000 33") == 0);
2523 ASSERT (retval == strlen (result));
2527 { /* FLAG_SHOWSIGN. */
2530 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2531 ASSERT (result != NULL);
2532 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2533 || strcmp (result, "+1.750000e+000 33") == 0);
2534 ASSERT (retval == strlen (result));
2541 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2542 ASSERT (result != NULL);
2543 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2544 || strcmp (result, " 1.750000e+000 33") == 0);
2545 ASSERT (retval == strlen (result));
2552 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2553 ASSERT (result != NULL);
2554 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2555 || strcmp (result, "1.750000e+000 33") == 0);
2556 ASSERT (retval == strlen (result));
2563 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2564 ASSERT (result != NULL);
2565 ASSERT (strcmp (result, "2.e+00 33") == 0
2566 || strcmp (result, "2.e+000 33") == 0);
2567 ASSERT (retval == strlen (result));
2574 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2575 ASSERT (result != NULL);
2576 ASSERT (strcmp (result, "1.e+01 33") == 0
2577 || strcmp (result, "1.e+001 33") == 0);
2578 ASSERT (retval == strlen (result));
2582 { /* FLAG_ZERO with finite number. */
2585 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2586 ASSERT (result != NULL);
2587 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2588 || strcmp (result, "001.234000e+003 33") == 0);
2589 ASSERT (retval == strlen (result));
2593 { /* FLAG_ZERO with infinite number. */
2596 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2597 ASSERT (result != NULL);
2598 ASSERT (strcmp (result, " -inf 33") == 0
2599 || strcmp (result, " -infinity 33") == 0);
2600 ASSERT (retval == strlen (result));
2604 { /* FLAG_ZERO with NaN. */
2607 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2608 ASSERT (result != NULL);
2609 ASSERT (strlen (result) == 50 + 3
2610 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2611 && strcmp (result + strlen (result) - 3, " 33") == 0);
2612 ASSERT (retval == strlen (result));
2619 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2620 ASSERT (result != NULL);
2621 ASSERT (strcmp (result, "1e+03 33") == 0
2622 || strcmp (result, "1e+003 33") == 0);
2623 ASSERT (retval == strlen (result));
2627 { /* Precision with no rounding. */
2630 my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55);
2631 ASSERT (result != NULL);
2632 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2633 || strcmp (result, "9.9995e+002 33") == 0);
2634 ASSERT (retval == strlen (result));
2638 { /* Precision with rounding. */
2641 my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55);
2642 ASSERT (result != NULL);
2643 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2644 || strcmp (result, "1.0000e+003 33") == 0);
2645 ASSERT (retval == strlen (result));
2649 /* Test the support of the %g format directive. */
2651 { /* A positive number. */
2654 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2655 ASSERT (result != NULL);
2656 ASSERT (strcmp (result, "12.75 33") == 0);
2657 ASSERT (retval == strlen (result));
2661 { /* A larger positive number. */
2664 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2665 ASSERT (result != NULL);
2666 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2667 || strcmp (result, "1.23457e+006 33") == 0);
2668 ASSERT (retval == strlen (result));
2672 { /* Small and large positive numbers. */
2673 static struct { double value; const char *string; } data[] =
2675 { 1.234321234321234e-37, "1.23432e-37" },
2676 { 1.234321234321234e-36, "1.23432e-36" },
2677 { 1.234321234321234e-35, "1.23432e-35" },
2678 { 1.234321234321234e-34, "1.23432e-34" },
2679 { 1.234321234321234e-33, "1.23432e-33" },
2680 { 1.234321234321234e-32, "1.23432e-32" },
2681 { 1.234321234321234e-31, "1.23432e-31" },
2682 { 1.234321234321234e-30, "1.23432e-30" },
2683 { 1.234321234321234e-29, "1.23432e-29" },
2684 { 1.234321234321234e-28, "1.23432e-28" },
2685 { 1.234321234321234e-27, "1.23432e-27" },
2686 { 1.234321234321234e-26, "1.23432e-26" },
2687 { 1.234321234321234e-25, "1.23432e-25" },
2688 { 1.234321234321234e-24, "1.23432e-24" },
2689 { 1.234321234321234e-23, "1.23432e-23" },
2690 { 1.234321234321234e-22, "1.23432e-22" },
2691 { 1.234321234321234e-21, "1.23432e-21" },
2692 { 1.234321234321234e-20, "1.23432e-20" },
2693 { 1.234321234321234e-19, "1.23432e-19" },
2694 { 1.234321234321234e-18, "1.23432e-18" },
2695 { 1.234321234321234e-17, "1.23432e-17" },
2696 { 1.234321234321234e-16, "1.23432e-16" },
2697 { 1.234321234321234e-15, "1.23432e-15" },
2698 { 1.234321234321234e-14, "1.23432e-14" },
2699 { 1.234321234321234e-13, "1.23432e-13" },
2700 { 1.234321234321234e-12, "1.23432e-12" },
2701 { 1.234321234321234e-11, "1.23432e-11" },
2702 { 1.234321234321234e-10, "1.23432e-10" },
2703 { 1.234321234321234e-9, "1.23432e-09" },
2704 { 1.234321234321234e-8, "1.23432e-08" },
2705 { 1.234321234321234e-7, "1.23432e-07" },
2706 { 1.234321234321234e-6, "1.23432e-06" },
2707 { 1.234321234321234e-5, "1.23432e-05" },
2708 { 1.234321234321234e-4, "0.000123432" },
2709 { 1.234321234321234e-3, "0.00123432" },
2710 { 1.234321234321234e-2, "0.0123432" },
2711 { 1.234321234321234e-1, "0.123432" },
2712 { 1.234321234321234, "1.23432" },
2713 { 1.234321234321234e1, "12.3432" },
2714 { 1.234321234321234e2, "123.432" },
2715 { 1.234321234321234e3, "1234.32" },
2716 { 1.234321234321234e4, "12343.2" },
2717 { 1.234321234321234e5, "123432" },
2718 { 1.234321234321234e6, "1.23432e+06" },
2719 { 1.234321234321234e7, "1.23432e+07" },
2720 { 1.234321234321234e8, "1.23432e+08" },
2721 { 1.234321234321234e9, "1.23432e+09" },
2722 { 1.234321234321234e10, "1.23432e+10" },
2723 { 1.234321234321234e11, "1.23432e+11" },
2724 { 1.234321234321234e12, "1.23432e+12" },
2725 { 1.234321234321234e13, "1.23432e+13" },
2726 { 1.234321234321234e14, "1.23432e+14" },
2727 { 1.234321234321234e15, "1.23432e+15" },
2728 { 1.234321234321234e16, "1.23432e+16" },
2729 { 1.234321234321234e17, "1.23432e+17" },
2730 { 1.234321234321234e18, "1.23432e+18" },
2731 { 1.234321234321234e19, "1.23432e+19" },
2732 { 1.234321234321234e20, "1.23432e+20" },
2733 { 1.234321234321234e21, "1.23432e+21" },
2734 { 1.234321234321234e22, "1.23432e+22" },
2735 { 1.234321234321234e23, "1.23432e+23" },
2736 { 1.234321234321234e24, "1.23432e+24" },
2737 { 1.234321234321234e25, "1.23432e+25" },
2738 { 1.234321234321234e26, "1.23432e+26" },
2739 { 1.234321234321234e27, "1.23432e+27" },
2740 { 1.234321234321234e28, "1.23432e+28" },
2741 { 1.234321234321234e29, "1.23432e+29" },
2742 { 1.234321234321234e30, "1.23432e+30" },
2743 { 1.234321234321234e31, "1.23432e+31" },
2744 { 1.234321234321234e32, "1.23432e+32" },
2745 { 1.234321234321234e33, "1.23432e+33" },
2746 { 1.234321234321234e34, "1.23432e+34" },
2747 { 1.234321234321234e35, "1.23432e+35" },
2748 { 1.234321234321234e36, "1.23432e+36" }
2751 for (k = 0; k < SIZEOF (data); k++)
2755 my_asprintf (&result, "%g", data[k].value);
2756 const char *expected = data[k].string;
2757 ASSERT (result != NULL);
2758 ASSERT (strcmp (result, expected) == 0
2759 /* Some implementations produce exponents with 3 digits. */
2760 || (expected[strlen (expected) - 4] == 'e'
2761 && strlen (result) == strlen (expected) + 1
2762 && memcmp (result, expected, strlen (expected) - 2) == 0
2763 && result[strlen (expected) - 2] == '0'
2764 && strcmp (result + strlen (expected) - 1,
2765 expected + strlen (expected) - 2)
2767 ASSERT (retval == strlen (result));
2772 { /* A negative number. */
2775 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2776 ASSERT (result != NULL);
2777 ASSERT (strcmp (result, "-0.03125 33") == 0);
2778 ASSERT (retval == strlen (result));
2782 { /* Positive zero. */
2785 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2786 ASSERT (result != NULL);
2787 ASSERT (strcmp (result, "0 33") == 0);
2788 ASSERT (retval == strlen (result));
2792 { /* Negative zero. */
2795 my_asprintf (&result, "%g %d", -zerod, 33, 44, 55);
2796 ASSERT (result != NULL);
2797 if (have_minus_zero ())
2798 ASSERT (strcmp (result, "-0 33") == 0);
2799 ASSERT (retval == strlen (result));
2803 { /* Positive infinity. */
2806 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2807 ASSERT (result != NULL);
2808 ASSERT (strcmp (result, "inf 33") == 0
2809 || strcmp (result, "infinity 33") == 0);
2810 ASSERT (retval == strlen (result));
2814 { /* Negative infinity. */
2817 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2818 ASSERT (result != NULL);
2819 ASSERT (strcmp (result, "-inf 33") == 0
2820 || strcmp (result, "-infinity 33") == 0);
2821 ASSERT (retval == strlen (result));
2828 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2829 ASSERT (result != NULL);
2830 ASSERT (strlen (result) >= 3 + 3
2831 && strisnan (result, 0, strlen (result) - 3, 0)
2832 && strcmp (result + strlen (result) - 3, " 33") == 0);
2833 ASSERT (retval == strlen (result));
2840 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2841 ASSERT (result != NULL);
2842 ASSERT (strcmp (result, " 1.75 33") == 0);
2843 ASSERT (retval == strlen (result));
2850 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2851 ASSERT (result != NULL);
2852 ASSERT (strcmp (result, "1.75 33") == 0);
2853 ASSERT (retval == strlen (result));
2857 { /* FLAG_SHOWSIGN. */
2860 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2861 ASSERT (result != NULL);
2862 ASSERT (strcmp (result, "+1.75 33") == 0);
2863 ASSERT (retval == strlen (result));
2870 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2871 ASSERT (result != NULL);
2872 ASSERT (strcmp (result, " 1.75 33") == 0);
2873 ASSERT (retval == strlen (result));
2880 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2881 ASSERT (result != NULL);
2882 ASSERT (strcmp (result, "1.75000 33") == 0);
2883 ASSERT (retval == strlen (result));
2890 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2891 ASSERT (result != NULL);
2892 ASSERT (strcmp (result, "2. 33") == 0);
2893 ASSERT (retval == strlen (result));
2900 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2901 ASSERT (result != NULL);
2902 ASSERT (strcmp (result, "1.e+01 33") == 0
2903 || strcmp (result, "1.e+001 33") == 0);
2904 ASSERT (retval == strlen (result));
2908 { /* FLAG_ZERO with finite number. */
2911 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2912 ASSERT (result != NULL);
2913 ASSERT (strcmp (result, "0000001234 33") == 0);
2914 ASSERT (retval == strlen (result));
2918 { /* FLAG_ZERO with infinite number. */
2921 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2922 ASSERT (result != NULL);
2923 ASSERT (strcmp (result, " -inf 33") == 0
2924 || strcmp (result, " -infinity 33") == 0);
2925 ASSERT (retval == strlen (result));
2929 { /* FLAG_ZERO with NaN. */
2932 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2933 ASSERT (result != NULL);
2934 ASSERT (strlen (result) == 50 + 3
2935 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2936 && strcmp (result + strlen (result) - 3, " 33") == 0);
2937 ASSERT (retval == strlen (result));
2944 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2945 ASSERT (result != NULL);
2946 ASSERT (strcmp (result, "1e+03 33") == 0
2947 || strcmp (result, "1e+003 33") == 0);
2948 ASSERT (retval == strlen (result));
2952 { /* Precision with no rounding. */
2955 my_asprintf (&result, "%.5g %d", 999.951, 33, 44, 55);
2956 ASSERT (result != NULL);
2957 ASSERT (strcmp (result, "999.95 33") == 0);
2958 ASSERT (retval == strlen (result));
2962 { /* Precision with rounding. */
2965 my_asprintf (&result, "%.5g %d", 999.996, 33, 44, 55);
2966 ASSERT (result != NULL);
2967 ASSERT (strcmp (result, "1000 33") == 0);
2968 ASSERT (retval == strlen (result));
2972 { /* A positive number. */
2975 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2976 ASSERT (result != NULL);
2977 ASSERT (strcmp (result, "12.75 33") == 0);
2978 ASSERT (retval == strlen (result));
2982 { /* A larger positive number. */
2985 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2986 ASSERT (result != NULL);
2987 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2988 || strcmp (result, "1.23457e+006 33") == 0);
2989 ASSERT (retval == strlen (result));
2993 { /* Small and large positive numbers. */
2994 static struct { long double value; const char *string; } data[] =
2996 { 1.234321234321234e-37L, "1.23432e-37" },
2997 { 1.234321234321234e-36L, "1.23432e-36" },
2998 { 1.234321234321234e-35L, "1.23432e-35" },
2999 { 1.234321234321234e-34L, "1.23432e-34" },
3000 { 1.234321234321234e-33L, "1.23432e-33" },
3001 { 1.234321234321234e-32L, "1.23432e-32" },
3002 { 1.234321234321234e-31L, "1.23432e-31" },
3003 { 1.234321234321234e-30L, "1.23432e-30" },
3004 { 1.234321234321234e-29L, "1.23432e-29" },
3005 { 1.234321234321234e-28L, "1.23432e-28" },
3006 { 1.234321234321234e-27L, "1.23432e-27" },
3007 { 1.234321234321234e-26L, "1.23432e-26" },
3008 { 1.234321234321234e-25L, "1.23432e-25" },
3009 { 1.234321234321234e-24L, "1.23432e-24" },
3010 { 1.234321234321234e-23L, "1.23432e-23" },
3011 { 1.234321234321234e-22L, "1.23432e-22" },
3012 { 1.234321234321234e-21L, "1.23432e-21" },
3013 { 1.234321234321234e-20L, "1.23432e-20" },
3014 { 1.234321234321234e-19L, "1.23432e-19" },
3015 { 1.234321234321234e-18L, "1.23432e-18" },
3016 { 1.234321234321234e-17L, "1.23432e-17" },
3017 { 1.234321234321234e-16L, "1.23432e-16" },
3018 { 1.234321234321234e-15L, "1.23432e-15" },
3019 { 1.234321234321234e-14L, "1.23432e-14" },
3020 { 1.234321234321234e-13L, "1.23432e-13" },
3021 { 1.234321234321234e-12L, "1.23432e-12" },
3022 { 1.234321234321234e-11L, "1.23432e-11" },
3023 { 1.234321234321234e-10L, "1.23432e-10" },
3024 { 1.234321234321234e-9L, "1.23432e-09" },
3025 { 1.234321234321234e-8L, "1.23432e-08" },
3026 { 1.234321234321234e-7L, "1.23432e-07" },
3027 { 1.234321234321234e-6L, "1.23432e-06" },
3028 { 1.234321234321234e-5L, "1.23432e-05" },
3029 { 1.234321234321234e-4L, "0.000123432" },
3030 { 1.234321234321234e-3L, "0.00123432" },
3031 { 1.234321234321234e-2L, "0.0123432" },
3032 { 1.234321234321234e-1L, "0.123432" },
3033 { 1.234321234321234L, "1.23432" },
3034 { 1.234321234321234e1L, "12.3432" },
3035 { 1.234321234321234e2L, "123.432" },
3036 { 1.234321234321234e3L, "1234.32" },
3037 { 1.234321234321234e4L, "12343.2" },
3038 { 1.234321234321234e5L, "123432" },
3039 { 1.234321234321234e6L, "1.23432e+06" },
3040 { 1.234321234321234e7L, "1.23432e+07" },
3041 { 1.234321234321234e8L, "1.23432e+08" },
3042 { 1.234321234321234e9L, "1.23432e+09" },
3043 { 1.234321234321234e10L, "1.23432e+10" },
3044 { 1.234321234321234e11L, "1.23432e+11" },
3045 { 1.234321234321234e12L, "1.23432e+12" },
3046 { 1.234321234321234e13L, "1.23432e+13" },
3047 { 1.234321234321234e14L, "1.23432e+14" },
3048 { 1.234321234321234e15L, "1.23432e+15" },
3049 { 1.234321234321234e16L, "1.23432e+16" },
3050 { 1.234321234321234e17L, "1.23432e+17" },
3051 { 1.234321234321234e18L, "1.23432e+18" },
3052 { 1.234321234321234e19L, "1.23432e+19" },
3053 { 1.234321234321234e20L, "1.23432e+20" },
3054 { 1.234321234321234e21L, "1.23432e+21" },
3055 { 1.234321234321234e22L, "1.23432e+22" },
3056 { 1.234321234321234e23L, "1.23432e+23" },
3057 { 1.234321234321234e24L, "1.23432e+24" },
3058 { 1.234321234321234e25L, "1.23432e+25" },
3059 { 1.234321234321234e26L, "1.23432e+26" },
3060 { 1.234321234321234e27L, "1.23432e+27" },
3061 { 1.234321234321234e28L, "1.23432e+28" },
3062 { 1.234321234321234e29L, "1.23432e+29" },
3063 { 1.234321234321234e30L, "1.23432e+30" },
3064 { 1.234321234321234e31L, "1.23432e+31" },
3065 { 1.234321234321234e32L, "1.23432e+32" },
3066 { 1.234321234321234e33L, "1.23432e+33" },
3067 { 1.234321234321234e34L, "1.23432e+34" },
3068 { 1.234321234321234e35L, "1.23432e+35" },
3069 { 1.234321234321234e36L, "1.23432e+36" }
3072 for (k = 0; k < SIZEOF (data); k++)
3076 my_asprintf (&result, "%Lg", data[k].value);
3077 const char *expected = data[k].string;
3078 ASSERT (result != NULL);
3079 ASSERT (strcmp (result, expected) == 0
3080 /* Some implementations produce exponents with 3 digits. */
3081 || (expected[strlen (expected) - 4] == 'e'
3082 && strlen (result) == strlen (expected) + 1
3083 && memcmp (result, expected, strlen (expected) - 2) == 0
3084 && result[strlen (expected) - 2] == '0'
3085 && strcmp (result + strlen (expected) - 1,
3086 expected + strlen (expected) - 2)
3088 ASSERT (retval == strlen (result));
3093 { /* A negative number. */
3096 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
3097 ASSERT (result != NULL);
3098 ASSERT (strcmp (result, "-0.03125 33") == 0);
3099 ASSERT (retval == strlen (result));
3103 { /* Positive zero. */
3106 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
3107 ASSERT (result != NULL);
3108 ASSERT (strcmp (result, "0 33") == 0);
3109 ASSERT (retval == strlen (result));
3113 { /* Negative zero. */
3116 my_asprintf (&result, "%Lg %d", minus_zerol, 33, 44, 55);
3117 ASSERT (result != NULL);
3118 if (have_minus_zero ())
3119 ASSERT (strcmp (result, "-0 33") == 0);
3120 ASSERT (retval == strlen (result));
3124 { /* Positive infinity. */
3127 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3128 ASSERT (result != NULL);
3129 ASSERT (strcmp (result, "inf 33") == 0
3130 || strcmp (result, "infinity 33") == 0);
3131 ASSERT (retval == strlen (result));
3135 { /* Negative infinity. */
3138 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3139 ASSERT (result != NULL);
3140 ASSERT (strcmp (result, "-inf 33") == 0
3141 || strcmp (result, "-infinity 33") == 0);
3142 ASSERT (retval == strlen (result));
3149 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
3150 ASSERT (result != NULL);
3151 ASSERT (strlen (result) >= 3 + 3
3152 && strisnan (result, 0, strlen (result) - 3, 0)
3153 && strcmp (result + strlen (result) - 3, " 33") == 0);
3154 ASSERT (retval == strlen (result));
3157 #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_))
3159 static union { unsigned int word[4]; long double value; } x =
3160 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3163 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3164 ASSERT (result != NULL);
3165 ASSERT (strlen (result) >= 3 + 3
3166 && strisnan (result, 0, strlen (result) - 3, 0)
3167 && strcmp (result + strlen (result) - 3, " 33") == 0);
3168 ASSERT (retval == strlen (result));
3172 /* Signalling NaN. */
3173 static union { unsigned int word[4]; long double value; } x =
3174 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3177 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3178 ASSERT (result != NULL);
3179 ASSERT (strlen (result) >= 3 + 3
3180 && strisnan (result, 0, strlen (result) - 3, 0)
3181 && strcmp (result + strlen (result) - 3, " 33") == 0);
3182 ASSERT (retval == strlen (result));
3185 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3186 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3187 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3188 Application Architecture.
3189 Table 5-2 "Floating-Point Register Encodings"
3190 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3193 static union { unsigned int word[4]; long double value; } x =
3194 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3197 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3198 ASSERT (result != NULL);
3199 ASSERT (strlen (result) >= 3 + 3
3200 && strisnan (result, 0, strlen (result) - 3, 0)
3201 && strcmp (result + strlen (result) - 3, " 33") == 0);
3202 ASSERT (retval == strlen (result));
3205 { /* Pseudo-Infinity. */
3206 static union { unsigned int word[4]; long double value; } x =
3207 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3210 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3211 ASSERT (result != NULL);
3212 ASSERT (strlen (result) >= 3 + 3
3213 && strisnan (result, 0, strlen (result) - 3, 0)
3214 && strcmp (result + strlen (result) - 3, " 33") == 0);
3215 ASSERT (retval == strlen (result));
3218 { /* Pseudo-Zero. */
3219 static union { unsigned int word[4]; long double value; } x =
3220 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3223 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3224 ASSERT (result != NULL);
3225 ASSERT (strlen (result) >= 3 + 3
3226 && strisnan (result, 0, strlen (result) - 3, 0)
3227 && strcmp (result + strlen (result) - 3, " 33") == 0);
3228 ASSERT (retval == strlen (result));
3231 { /* Unnormalized number. */
3232 static union { unsigned int word[4]; long double value; } x =
3233 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3236 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3237 ASSERT (result != NULL);
3238 ASSERT (strlen (result) >= 3 + 3
3239 && strisnan (result, 0, strlen (result) - 3, 0)
3240 && strcmp (result + strlen (result) - 3, " 33") == 0);
3241 ASSERT (retval == strlen (result));
3244 { /* Pseudo-Denormal. */
3245 static union { unsigned int word[4]; long double value; } x =
3246 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3249 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3250 ASSERT (result != NULL);
3251 ASSERT (strlen (result) >= 3 + 3
3252 && strisnan (result, 0, strlen (result) - 3, 0)
3253 && strcmp (result + strlen (result) - 3, " 33") == 0);
3254 ASSERT (retval == strlen (result));
3262 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3263 ASSERT (result != NULL);
3264 ASSERT (strcmp (result, " 1.75 33") == 0);
3265 ASSERT (retval == strlen (result));
3272 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3273 ASSERT (result != NULL);
3274 ASSERT (strcmp (result, "1.75 33") == 0);
3275 ASSERT (retval == strlen (result));
3279 { /* FLAG_SHOWSIGN. */
3282 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3283 ASSERT (result != NULL);
3284 ASSERT (strcmp (result, "+1.75 33") == 0);
3285 ASSERT (retval == strlen (result));
3292 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3293 ASSERT (result != NULL);
3294 ASSERT (strcmp (result, " 1.75 33") == 0);
3295 ASSERT (retval == strlen (result));
3302 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3303 ASSERT (result != NULL);
3304 ASSERT (strcmp (result, "1.75000 33") == 0);
3305 ASSERT (retval == strlen (result));
3312 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3313 ASSERT (result != NULL);
3314 ASSERT (strcmp (result, "2. 33") == 0);
3315 ASSERT (retval == strlen (result));
3322 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3323 ASSERT (result != NULL);
3324 ASSERT (strcmp (result, "1.e+01 33") == 0
3325 || strcmp (result, "1.e+001 33") == 0);
3326 ASSERT (retval == strlen (result));
3330 { /* FLAG_ZERO with finite number. */
3333 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3334 ASSERT (result != NULL);
3335 ASSERT (strcmp (result, "0000001234 33") == 0);
3336 ASSERT (retval == strlen (result));
3340 { /* FLAG_ZERO with infinite number. */
3343 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3344 ASSERT (result != NULL);
3345 ASSERT (strcmp (result, " -inf 33") == 0
3346 || strcmp (result, " -infinity 33") == 0);
3347 ASSERT (retval == strlen (result));
3351 { /* FLAG_ZERO with NaN. */
3354 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3355 ASSERT (result != NULL);
3356 ASSERT (strlen (result) == 50 + 3
3357 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3358 && strcmp (result + strlen (result) - 3, " 33") == 0);
3359 ASSERT (retval == strlen (result));
3366 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3367 ASSERT (result != NULL);
3368 ASSERT (strcmp (result, "1e+03 33") == 0
3369 || strcmp (result, "1e+003 33") == 0);
3370 ASSERT (retval == strlen (result));
3374 { /* Precision with no rounding. */
3377 my_asprintf (&result, "%.5Lg %d", 999.951L, 33, 44, 55);
3378 ASSERT (result != NULL);
3379 ASSERT (strcmp (result, "999.95 33") == 0);
3380 ASSERT (retval == strlen (result));
3384 { /* Precision with rounding. */
3387 my_asprintf (&result, "%.5Lg %d", 999.996L, 33, 44, 55);
3388 ASSERT (result != NULL);
3389 ASSERT (strcmp (result, "1000 33") == 0);
3390 ASSERT (retval == strlen (result));
3394 /* Test the support of the %n format directive. */
3400 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3401 ASSERT (result != NULL);
3402 ASSERT (strcmp (result, "123 ") == 0);
3403 ASSERT (retval == strlen (result));
3404 ASSERT (count == 4);
3408 /* Test the support of the POSIX/XSI format strings with positions. */
3413 my_asprintf (&result, "%2$d %1$d", 33, 55);
3414 ASSERT (result != NULL);
3415 ASSERT (strcmp (result, "55 33") == 0);
3416 ASSERT (retval == strlen (result));
3420 /* Test the support of the grouping flag. */
3425 my_asprintf (&result, "%'d %d", 1234567, 99);
3426 ASSERT (result != NULL);
3427 ASSERT (result[strlen (result) - 1] == '9');
3428 ASSERT (retval == strlen (result));
3432 /* Test the support of the left-adjust flag. */
3437 my_asprintf (&result, "a%*sc", -3, "b");
3438 ASSERT (result != NULL);
3439 ASSERT (strcmp (result, "ab c") == 0);
3440 ASSERT (retval == strlen (result));
3447 my_asprintf (&result, "a%-*sc", 3, "b");
3448 ASSERT (result != NULL);
3449 ASSERT (strcmp (result, "ab c") == 0);
3450 ASSERT (retval == strlen (result));
3457 my_asprintf (&result, "a%-*sc", -3, "b");
3458 ASSERT (result != NULL);
3459 ASSERT (strcmp (result, "ab c") == 0);
3460 ASSERT (retval == strlen (result));
3464 /* Test the support of large precision. */
3469 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3471 ASSERT (result != NULL);
3472 for (i = 0; i < 4000 - 7; i++)
3473 ASSERT (result[i] == '0');
3474 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3475 ASSERT (retval == strlen (result));
3482 my_asprintf (&result, "%.*d %d", 4000, 1234567, 99);
3484 ASSERT (result != NULL);
3485 for (i = 0; i < 4000 - 7; i++)
3486 ASSERT (result[i] == '0');
3487 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3488 ASSERT (retval == strlen (result));
3495 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3497 ASSERT (result != NULL);
3498 ASSERT (result[0] == '-');
3499 for (i = 0; i < 4000 - 7; i++)
3500 ASSERT (result[1 + i] == '0');
3501 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3502 ASSERT (retval == strlen (result));
3509 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3511 ASSERT (result != NULL);
3512 for (i = 0; i < 4000 - 7; i++)
3513 ASSERT (result[i] == '0');
3514 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3515 ASSERT (retval == strlen (result));
3522 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3524 ASSERT (result != NULL);
3525 for (i = 0; i < 4000 - 7; i++)
3526 ASSERT (result[i] == '0');
3527 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3528 ASSERT (retval == strlen (result));
3535 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3537 ASSERT (result != NULL);
3538 for (i = 0; i < 4000 - 6; i++)
3539 ASSERT (result[i] == '0');
3540 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3541 ASSERT (retval == strlen (result));
3548 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3550 ASSERT (result != NULL);
3551 ASSERT (result[0] == '0');
3552 ASSERT (result[1] == 'x');
3553 for (i = 0; i < 4000 - 6; i++)
3554 ASSERT (result[2 + i] == '0');
3555 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3556 ASSERT (retval == strlen (result));
3566 for (i = 0; i < sizeof (input) - 1; i++)
3567 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3569 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3570 ASSERT (result != NULL);
3571 ASSERT (memcmp (result, input, 4000) == 0);
3572 ASSERT (strcmp (result + 4000, " 99") == 0);
3573 ASSERT (retval == strlen (result));
3579 my_asprintf (char **result, const char *format, ...)
3584 va_start (args, format);
3585 ret = vasprintf (result, format, args);
3593 test_function (my_asprintf);
3599 test_function (asprintf);
3603 main (int argc, char *argv[])