1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007-2009 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 IRIX cc can't put -0.0L into .data, but can compute at runtime.
61 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
62 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
63 #if defined __hpux || defined __sgi
65 compute_minus_zerol (void)
67 return -LDBL_MIN * LDBL_MIN;
69 # define minus_zerol compute_minus_zerol ()
71 long double minus_zerol = -0.0L;
74 /* Representation of an 80-bit 'long double' as an initializer for a sequence
75 of 'unsigned int' words. */
76 #ifdef WORDS_BIGENDIAN
77 # define LDBL80_WORDS(exponent,manthi,mantlo) \
78 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
79 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
80 (unsigned int) (mantlo) << 16 \
83 # define LDBL80_WORDS(exponent,manthi,mantlo) \
84 { mantlo, manthi, exponent }
88 strmatch (const char *pattern, const char *string)
90 if (strlen (pattern) != strlen (string))
92 for (; *pattern != '\0'; pattern++, string++)
93 if (*pattern != '*' && *string != *pattern)
98 /* Test whether string[start_index..end_index-1] is a valid textual
99 representation of NaN. */
101 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
103 if (start_index < end_index)
105 if (string[start_index] == '-')
107 if (start_index + 3 <= end_index
108 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
111 if (start_index == end_index
112 || (string[start_index] == '(' && string[end_index - 1] == ')'))
120 test_function (int (*my_asprintf) (char **, const char *, ...))
124 /* Test return value convention. */
126 for (repeat = 0; repeat <= 8; repeat++)
129 int retval = asprintf (&result, "%d", 12345);
130 ASSERT (retval == 5);
131 ASSERT (result != NULL);
132 ASSERT (strcmp (result, "12345") == 0);
136 /* Test support of size specifiers as in C99. */
141 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
142 ASSERT (result != NULL);
143 ASSERT (strcmp (result, "12345671 33") == 0);
144 ASSERT (retval == strlen (result));
151 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
152 ASSERT (result != NULL);
153 ASSERT (strcmp (result, "12345672 33") == 0);
154 ASSERT (retval == strlen (result));
161 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
162 ASSERT (result != NULL);
163 ASSERT (strcmp (result, "12345673 33") == 0);
164 ASSERT (retval == strlen (result));
171 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
172 ASSERT (result != NULL);
173 ASSERT (strcmp (result, "1.5 33") == 0);
174 ASSERT (retval == strlen (result));
178 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
179 output of floating-point numbers. */
181 { /* A positive number. */
184 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
185 ASSERT (result != NULL);
186 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
187 || strcmp (result, "0x3.244p+0 33") == 0
188 || strcmp (result, "0x6.488p-1 33") == 0
189 || strcmp (result, "0xc.91p-2 33") == 0);
190 ASSERT (retval == strlen (result));
194 { /* A negative number. */
197 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
198 ASSERT (result != NULL);
199 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
200 || strcmp (result, "-0X3.244P+0 33") == 0
201 || strcmp (result, "-0X6.488P-1 33") == 0
202 || strcmp (result, "-0XC.91P-2 33") == 0);
203 ASSERT (retval == strlen (result));
207 { /* Positive zero. */
210 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
211 ASSERT (result != NULL);
212 ASSERT (strcmp (result, "0x0p+0 33") == 0);
213 ASSERT (retval == strlen (result));
217 { /* Negative zero. */
220 my_asprintf (&result, "%a %d", -zerod, 33, 44, 55);
221 ASSERT (result != NULL);
222 if (have_minus_zero ())
223 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
224 ASSERT (retval == strlen (result));
228 { /* Positive infinity. */
231 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
232 ASSERT (result != NULL);
233 ASSERT (strcmp (result, "inf 33") == 0);
234 ASSERT (retval == strlen (result));
238 { /* Negative infinity. */
241 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
242 ASSERT (result != NULL);
243 ASSERT (strcmp (result, "-inf 33") == 0);
244 ASSERT (retval == strlen (result));
251 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
252 ASSERT (result != NULL);
253 ASSERT (strlen (result) >= 3 + 3
254 && strisnan (result, 0, strlen (result) - 3, 0)
255 && strcmp (result + strlen (result) - 3, " 33") == 0);
256 ASSERT (retval == strlen (result));
260 { /* Rounding near the decimal point. */
263 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
264 ASSERT (result != NULL);
265 ASSERT (strcmp (result, "0x2p+0 33") == 0
266 || strcmp (result, "0x3p-1 33") == 0
267 || strcmp (result, "0x6p-2 33") == 0
268 || strcmp (result, "0xcp-3 33") == 0);
269 ASSERT (retval == strlen (result));
273 { /* Rounding with precision 0. */
276 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
277 ASSERT (result != NULL);
278 ASSERT (strcmp (result, "0x2p+0 33") == 0
279 || strcmp (result, "0x3p-1 33") == 0
280 || strcmp (result, "0x6p-2 33") == 0
281 || strcmp (result, "0xcp-3 33") == 0);
282 ASSERT (retval == strlen (result));
286 { /* Rounding with precision 1. */
289 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
290 ASSERT (result != NULL);
291 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
292 || strcmp (result, "0x3.0p-1 33") == 0
293 || strcmp (result, "0x6.1p-2 33") == 0
294 || strcmp (result, "0xc.1p-3 33") == 0);
295 ASSERT (retval == strlen (result));
299 { /* Rounding with precision 2. */
302 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
303 ASSERT (result != NULL);
304 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
305 || strcmp (result, "0x3.05p-1 33") == 0
306 || strcmp (result, "0x6.0ap-2 33") == 0
307 || strcmp (result, "0xc.14p-3 33") == 0);
308 ASSERT (retval == strlen (result));
312 { /* Rounding with precision 3. */
315 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
316 ASSERT (result != NULL);
317 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
318 || strcmp (result, "0x3.052p-1 33") == 0
319 || strcmp (result, "0x6.0a4p-2 33") == 0
320 || strcmp (result, "0xc.148p-3 33") == 0);
321 ASSERT (retval == strlen (result));
325 { /* Rounding can turn a ...FFF into a ...000. */
328 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
329 ASSERT (result != NULL);
330 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
331 || strcmp (result, "0x3.000p-1 33") == 0
332 || strcmp (result, "0x6.000p-2 33") == 0
333 || strcmp (result, "0xc.000p-3 33") == 0);
334 ASSERT (retval == strlen (result));
338 { /* Rounding can turn a ...FFF into a ...000.
339 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
342 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
343 ASSERT (result != NULL);
344 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
345 || strcmp (result, "0x2.0p+0 33") == 0
346 || strcmp (result, "0x4.0p-1 33") == 0
347 || strcmp (result, "0x8.0p-2 33") == 0);
348 ASSERT (retval == strlen (result));
355 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
356 ASSERT (result != NULL);
357 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
358 || strcmp (result, " 0x3.8p-1 33") == 0
359 || strcmp (result, " 0x7p-2 33") == 0
360 || strcmp (result, " 0xep-3 33") == 0);
361 ASSERT (retval == strlen (result));
365 { /* Small precision. */
368 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
369 ASSERT (result != NULL);
370 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
371 || strcmp (result, "0x3.8000000000p-1 33") == 0
372 || strcmp (result, "0x7.0000000000p-2 33") == 0
373 || strcmp (result, "0xe.0000000000p-3 33") == 0);
374 ASSERT (retval == strlen (result));
378 { /* Large precision. */
381 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
382 ASSERT (result != NULL);
383 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
384 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
385 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
386 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
387 ASSERT (retval == strlen (result));
394 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
395 ASSERT (result != NULL);
396 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
397 || strcmp (result, "0x3.8p-1 33") == 0
398 || strcmp (result, "0x7p-2 33") == 0
399 || strcmp (result, "0xep-3 33") == 0);
400 ASSERT (retval == strlen (result));
404 { /* FLAG_SHOWSIGN. */
407 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
408 ASSERT (result != NULL);
409 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
410 || strcmp (result, "+0x3.8p-1 33") == 0
411 || strcmp (result, "+0x7p-2 33") == 0
412 || strcmp (result, "+0xep-3 33") == 0);
413 ASSERT (retval == strlen (result));
420 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
421 ASSERT (result != NULL);
422 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
423 || strcmp (result, " 0x3.8p-1 33") == 0
424 || strcmp (result, " 0x7p-2 33") == 0
425 || strcmp (result, " 0xep-3 33") == 0);
426 ASSERT (retval == strlen (result));
433 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
434 ASSERT (result != NULL);
435 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
436 || strcmp (result, "0x3.8p-1 33") == 0
437 || strcmp (result, "0x7.p-2 33") == 0
438 || strcmp (result, "0xe.p-3 33") == 0);
439 ASSERT (retval == strlen (result));
446 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
447 ASSERT (result != NULL);
448 ASSERT (strcmp (result, "0x1.p+0 33") == 0
449 || strcmp (result, "0x2.p-1 33") == 0
450 || strcmp (result, "0x4.p-2 33") == 0
451 || strcmp (result, "0x8.p-3 33") == 0);
452 ASSERT (retval == strlen (result));
456 { /* FLAG_ZERO with finite number. */
459 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
460 ASSERT (result != NULL);
461 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
462 || strcmp (result, "0x003.8p-1 33") == 0
463 || strcmp (result, "0x00007p-2 33") == 0
464 || strcmp (result, "0x0000ep-3 33") == 0);
465 ASSERT (retval == strlen (result));
469 { /* FLAG_ZERO with infinite number. */
472 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
473 ASSERT (result != NULL);
474 /* "0000000inf 33" is not a valid result; see
475 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
476 ASSERT (strcmp (result, " inf 33") == 0);
477 ASSERT (retval == strlen (result));
481 { /* FLAG_ZERO with NaN. */
484 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
485 ASSERT (result != NULL);
486 /* "0000000nan 33" is not a valid result; see
487 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
488 ASSERT (strlen (result) == 50 + 3
489 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
490 && strcmp (result + strlen (result) - 3, " 33") == 0);
491 ASSERT (retval == strlen (result));
495 { /* A positive number. */
498 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
499 ASSERT (result != NULL);
500 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
501 || strcmp (result, "0x3.244p+0 33") == 0
502 || strcmp (result, "0x6.488p-1 33") == 0
503 || strcmp (result, "0xc.91p-2 33") == 0);
504 ASSERT (retval == strlen (result));
508 { /* A negative number. */
511 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
512 ASSERT (result != NULL);
513 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
514 || strcmp (result, "-0X3.244P+0 33") == 0
515 || strcmp (result, "-0X6.488P-1 33") == 0
516 || strcmp (result, "-0XC.91P-2 33") == 0);
517 ASSERT (retval == strlen (result));
521 { /* Positive zero. */
524 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
525 ASSERT (result != NULL);
526 ASSERT (strcmp (result, "0x0p+0 33") == 0);
527 ASSERT (retval == strlen (result));
531 { /* Negative zero. */
534 my_asprintf (&result, "%La %d", minus_zerol, 33, 44, 55);
535 ASSERT (result != NULL);
536 if (have_minus_zero ())
537 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
538 ASSERT (retval == strlen (result));
542 { /* Positive infinity. */
545 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
546 ASSERT (result != NULL);
547 ASSERT (strcmp (result, "inf 33") == 0);
548 ASSERT (retval == strlen (result));
552 { /* Negative infinity. */
555 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
556 ASSERT (result != NULL);
557 ASSERT (strcmp (result, "-inf 33") == 0);
558 ASSERT (retval == strlen (result));
565 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
566 ASSERT (result != NULL);
567 ASSERT (strlen (result) >= 3 + 3
568 && strisnan (result, 0, strlen (result) - 3, 0)
569 && strcmp (result + strlen (result) - 3, " 33") == 0);
570 ASSERT (retval == strlen (result));
573 #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_))
575 static union { unsigned int word[4]; long double value; } x =
576 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
579 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
580 ASSERT (result != NULL);
581 ASSERT (strlen (result) >= 3 + 3
582 && strisnan (result, 0, strlen (result) - 3, 0)
583 && strcmp (result + strlen (result) - 3, " 33") == 0);
584 ASSERT (retval == strlen (result));
588 /* Signalling NaN. */
589 static union { unsigned int word[4]; long double value; } x =
590 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
593 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
594 ASSERT (result != NULL);
595 ASSERT (strlen (result) >= 3 + 3
596 && strisnan (result, 0, strlen (result) - 3, 0)
597 && strcmp (result + strlen (result) - 3, " 33") == 0);
598 ASSERT (retval == strlen (result));
601 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
602 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
603 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
604 Application Architecture.
605 Table 5-2 "Floating-Point Register Encodings"
606 Figure 5-6 "Memory to Floating-Point Register Data Translation"
609 static union { unsigned int word[4]; long double value; } x =
610 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
613 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
614 ASSERT (result != NULL);
615 ASSERT (strlen (result) >= 3 + 3
616 && strisnan (result, 0, strlen (result) - 3, 0)
617 && strcmp (result + strlen (result) - 3, " 33") == 0);
618 ASSERT (retval == strlen (result));
621 { /* Pseudo-Infinity. */
622 static union { unsigned int word[4]; long double value; } x =
623 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
626 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
627 ASSERT (result != NULL);
628 ASSERT (strlen (result) >= 3 + 3
629 && strisnan (result, 0, strlen (result) - 3, 0)
630 && strcmp (result + strlen (result) - 3, " 33") == 0);
631 ASSERT (retval == strlen (result));
635 static union { unsigned int word[4]; long double value; } x =
636 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
639 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
640 ASSERT (result != NULL);
641 ASSERT (strlen (result) >= 3 + 3
642 && strisnan (result, 0, strlen (result) - 3, 0)
643 && strcmp (result + strlen (result) - 3, " 33") == 0);
644 ASSERT (retval == strlen (result));
647 { /* Unnormalized number. */
648 static union { unsigned int word[4]; long double value; } x =
649 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
652 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
653 ASSERT (result != NULL);
654 ASSERT (strlen (result) >= 3 + 3
655 && strisnan (result, 0, strlen (result) - 3, 0)
656 && strcmp (result + strlen (result) - 3, " 33") == 0);
657 ASSERT (retval == strlen (result));
660 { /* Pseudo-Denormal. */
661 static union { unsigned int word[4]; long double value; } x =
662 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
665 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
666 ASSERT (result != NULL);
667 ASSERT (strlen (result) >= 3 + 3
668 && strisnan (result, 0, strlen (result) - 3, 0)
669 && strcmp (result + strlen (result) - 3, " 33") == 0);
670 ASSERT (retval == strlen (result));
675 { /* Rounding near the decimal point. */
678 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
679 ASSERT (result != NULL);
680 ASSERT (strcmp (result, "0x2p+0 33") == 0
681 || strcmp (result, "0x3p-1 33") == 0
682 || strcmp (result, "0x6p-2 33") == 0
683 || strcmp (result, "0xcp-3 33") == 0);
684 ASSERT (retval == strlen (result));
688 { /* Rounding with precision 0. */
691 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
692 ASSERT (result != NULL);
693 ASSERT (strcmp (result, "0x2p+0 33") == 0
694 || strcmp (result, "0x3p-1 33") == 0
695 || strcmp (result, "0x6p-2 33") == 0
696 || strcmp (result, "0xcp-3 33") == 0);
697 ASSERT (retval == strlen (result));
701 { /* Rounding with precision 1. */
704 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
705 ASSERT (result != NULL);
706 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
707 || strcmp (result, "0x3.0p-1 33") == 0
708 || strcmp (result, "0x6.1p-2 33") == 0
709 || strcmp (result, "0xc.1p-3 33") == 0);
710 ASSERT (retval == strlen (result));
714 { /* Rounding with precision 2. */
717 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
718 ASSERT (result != NULL);
719 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
720 || strcmp (result, "0x3.05p-1 33") == 0
721 || strcmp (result, "0x6.0ap-2 33") == 0
722 || strcmp (result, "0xc.14p-3 33") == 0);
723 ASSERT (retval == strlen (result));
727 { /* Rounding with precision 3. */
730 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
731 ASSERT (result != NULL);
732 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
733 || strcmp (result, "0x3.052p-1 33") == 0
734 || strcmp (result, "0x6.0a4p-2 33") == 0
735 || strcmp (result, "0xc.148p-3 33") == 0);
736 ASSERT (retval == strlen (result));
740 { /* Rounding can turn a ...FFF into a ...000. */
743 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
744 ASSERT (result != NULL);
745 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
746 || strcmp (result, "0x3.000p-1 33") == 0
747 || strcmp (result, "0x6.000p-2 33") == 0
748 || strcmp (result, "0xc.000p-3 33") == 0);
749 ASSERT (retval == strlen (result));
753 { /* Rounding can turn a ...FFF into a ...000.
754 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
755 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
758 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
759 ASSERT (result != NULL);
760 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
761 || strcmp (result, "0x2.0p+0 33") == 0
762 || strcmp (result, "0x4.0p-1 33") == 0
763 || strcmp (result, "0x8.0p-2 33") == 0);
764 ASSERT (retval == strlen (result));
771 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
772 ASSERT (result != NULL);
773 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
774 || strcmp (result, " 0x3.8p-1 33") == 0
775 || strcmp (result, " 0x7p-2 33") == 0
776 || strcmp (result, " 0xep-3 33") == 0);
777 ASSERT (retval == strlen (result));
781 { /* Small precision. */
784 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
785 ASSERT (result != NULL);
786 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
787 || strcmp (result, "0x3.8000000000p-1 33") == 0
788 || strcmp (result, "0x7.0000000000p-2 33") == 0
789 || strcmp (result, "0xe.0000000000p-3 33") == 0);
790 ASSERT (retval == strlen (result));
794 { /* Large precision. */
797 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
798 ASSERT (result != NULL);
799 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
800 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
801 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
802 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
803 ASSERT (retval == strlen (result));
810 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
811 ASSERT (result != NULL);
812 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
813 || strcmp (result, "0x3.8p-1 33") == 0
814 || strcmp (result, "0x7p-2 33") == 0
815 || strcmp (result, "0xep-3 33") == 0);
816 ASSERT (retval == strlen (result));
820 { /* FLAG_SHOWSIGN. */
823 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
824 ASSERT (result != NULL);
825 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
826 || strcmp (result, "+0x3.8p-1 33") == 0
827 || strcmp (result, "+0x7p-2 33") == 0
828 || strcmp (result, "+0xep-3 33") == 0);
829 ASSERT (retval == strlen (result));
836 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
837 ASSERT (result != NULL);
838 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
839 || strcmp (result, " 0x3.8p-1 33") == 0
840 || strcmp (result, " 0x7p-2 33") == 0
841 || strcmp (result, " 0xep-3 33") == 0);
842 ASSERT (retval == strlen (result));
849 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
850 ASSERT (result != NULL);
851 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
852 || strcmp (result, "0x3.8p-1 33") == 0
853 || strcmp (result, "0x7.p-2 33") == 0
854 || strcmp (result, "0xe.p-3 33") == 0);
855 ASSERT (retval == strlen (result));
862 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
863 ASSERT (result != NULL);
864 ASSERT (strcmp (result, "0x1.p+0 33") == 0
865 || strcmp (result, "0x2.p-1 33") == 0
866 || strcmp (result, "0x4.p-2 33") == 0
867 || strcmp (result, "0x8.p-3 33") == 0);
868 ASSERT (retval == strlen (result));
872 { /* FLAG_ZERO with finite number. */
875 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
876 ASSERT (result != NULL);
877 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
878 || strcmp (result, "0x003.8p-1 33") == 0
879 || strcmp (result, "0x00007p-2 33") == 0
880 || strcmp (result, "0x0000ep-3 33") == 0);
881 ASSERT (retval == strlen (result));
885 { /* FLAG_ZERO with infinite number. */
888 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
889 ASSERT (result != NULL);
890 /* "0000000inf 33" is not a valid result; see
891 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
892 ASSERT (strcmp (result, " inf 33") == 0);
893 ASSERT (retval == strlen (result));
897 { /* FLAG_ZERO with NaN. */
900 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
901 ASSERT (result != NULL);
902 /* "0000000nan 33" is not a valid result; see
903 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
904 ASSERT (strlen (result) == 50 + 3
905 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
906 && strcmp (result + strlen (result) - 3, " 33") == 0);
907 ASSERT (retval == strlen (result));
911 /* Test the support of the %f format directive. */
913 { /* A positive number. */
916 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
917 ASSERT (result != NULL);
918 ASSERT (strcmp (result, "12.750000 33") == 0);
919 ASSERT (retval == strlen (result));
923 { /* A larger positive number. */
926 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
927 ASSERT (result != NULL);
928 ASSERT (strcmp (result, "1234567.000000 33") == 0);
929 ASSERT (retval == strlen (result));
933 { /* Small and large positive numbers. */
934 static struct { double value; const char *string; } data[] =
936 { 1.234321234321234e-37, "0.000000" },
937 { 1.234321234321234e-36, "0.000000" },
938 { 1.234321234321234e-35, "0.000000" },
939 { 1.234321234321234e-34, "0.000000" },
940 { 1.234321234321234e-33, "0.000000" },
941 { 1.234321234321234e-32, "0.000000" },
942 { 1.234321234321234e-31, "0.000000" },
943 { 1.234321234321234e-30, "0.000000" },
944 { 1.234321234321234e-29, "0.000000" },
945 { 1.234321234321234e-28, "0.000000" },
946 { 1.234321234321234e-27, "0.000000" },
947 { 1.234321234321234e-26, "0.000000" },
948 { 1.234321234321234e-25, "0.000000" },
949 { 1.234321234321234e-24, "0.000000" },
950 { 1.234321234321234e-23, "0.000000" },
951 { 1.234321234321234e-22, "0.000000" },
952 { 1.234321234321234e-21, "0.000000" },
953 { 1.234321234321234e-20, "0.000000" },
954 { 1.234321234321234e-19, "0.000000" },
955 { 1.234321234321234e-18, "0.000000" },
956 { 1.234321234321234e-17, "0.000000" },
957 { 1.234321234321234e-16, "0.000000" },
958 { 1.234321234321234e-15, "0.000000" },
959 { 1.234321234321234e-14, "0.000000" },
960 { 1.234321234321234e-13, "0.000000" },
961 { 1.234321234321234e-12, "0.000000" },
962 { 1.234321234321234e-11, "0.000000" },
963 { 1.234321234321234e-10, "0.000000" },
964 { 1.234321234321234e-9, "0.000000" },
965 { 1.234321234321234e-8, "0.000000" },
966 { 1.234321234321234e-7, "0.000000" },
967 { 1.234321234321234e-6, "0.000001" },
968 { 1.234321234321234e-5, "0.000012" },
969 { 1.234321234321234e-4, "0.000123" },
970 { 1.234321234321234e-3, "0.001234" },
971 { 1.234321234321234e-2, "0.012343" },
972 { 1.234321234321234e-1, "0.123432" },
973 { 1.234321234321234, "1.234321" },
974 { 1.234321234321234e1, "12.343212" },
975 { 1.234321234321234e2, "123.432123" },
976 { 1.234321234321234e3, "1234.321234" },
977 { 1.234321234321234e4, "12343.212343" },
978 { 1.234321234321234e5, "123432.123432" },
979 { 1.234321234321234e6, "1234321.234321" },
980 { 1.234321234321234e7, "12343212.343212" },
981 { 1.234321234321234e8, "123432123.432123" },
982 { 1.234321234321234e9, "1234321234.321234" },
983 { 1.234321234321234e10, "12343212343.2123**" },
984 { 1.234321234321234e11, "123432123432.123***" },
985 { 1.234321234321234e12, "1234321234321.23****" },
986 { 1.234321234321234e13, "12343212343212.3*****" },
987 { 1.234321234321234e14, "123432123432123.******" },
988 { 1.234321234321234e15, "1234321234321234.000000" },
989 { 1.234321234321234e16, "123432123432123**.000000" },
990 { 1.234321234321234e17, "123432123432123***.000000" },
991 { 1.234321234321234e18, "123432123432123****.000000" },
992 { 1.234321234321234e19, "123432123432123*****.000000" },
993 { 1.234321234321234e20, "123432123432123******.000000" },
994 { 1.234321234321234e21, "123432123432123*******.000000" },
995 { 1.234321234321234e22, "123432123432123********.000000" },
996 { 1.234321234321234e23, "123432123432123*********.000000" },
997 { 1.234321234321234e24, "123432123432123**********.000000" },
998 { 1.234321234321234e25, "123432123432123***********.000000" },
999 { 1.234321234321234e26, "123432123432123************.000000" },
1000 { 1.234321234321234e27, "123432123432123*************.000000" },
1001 { 1.234321234321234e28, "123432123432123**************.000000" },
1002 { 1.234321234321234e29, "123432123432123***************.000000" },
1003 { 1.234321234321234e30, "123432123432123****************.000000" },
1004 { 1.234321234321234e31, "123432123432123*****************.000000" },
1005 { 1.234321234321234e32, "123432123432123******************.000000" },
1006 { 1.234321234321234e33, "123432123432123*******************.000000" },
1007 { 1.234321234321234e34, "123432123432123********************.000000" },
1008 { 1.234321234321234e35, "123432123432123*********************.000000" },
1009 { 1.234321234321234e36, "123432123432123**********************.000000" }
1012 for (k = 0; k < SIZEOF (data); k++)
1016 my_asprintf (&result, "%f", data[k].value);
1017 ASSERT (result != NULL);
1018 ASSERT (strmatch (data[k].string, result));
1019 ASSERT (retval == strlen (result));
1024 { /* A negative number. */
1027 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1028 ASSERT (result != NULL);
1029 ASSERT (strcmp (result, "-0.031250 33") == 0);
1030 ASSERT (retval == strlen (result));
1034 { /* Positive zero. */
1037 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1038 ASSERT (result != NULL);
1039 ASSERT (strcmp (result, "0.000000 33") == 0);
1040 ASSERT (retval == strlen (result));
1044 { /* Negative zero. */
1047 my_asprintf (&result, "%f %d", -zerod, 33, 44, 55);
1048 ASSERT (result != NULL);
1049 if (have_minus_zero ())
1050 ASSERT (strcmp (result, "-0.000000 33") == 0);
1051 ASSERT (retval == strlen (result));
1055 { /* Positive infinity. */
1058 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1059 ASSERT (result != NULL);
1060 ASSERT (strcmp (result, "inf 33") == 0
1061 || strcmp (result, "infinity 33") == 0);
1062 ASSERT (retval == strlen (result));
1066 { /* Negative infinity. */
1069 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1070 ASSERT (result != NULL);
1071 ASSERT (strcmp (result, "-inf 33") == 0
1072 || strcmp (result, "-infinity 33") == 0);
1073 ASSERT (retval == strlen (result));
1080 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1081 ASSERT (result != NULL);
1082 ASSERT (strlen (result) >= 3 + 3
1083 && strisnan (result, 0, strlen (result) - 3, 0)
1084 && strcmp (result + strlen (result) - 3, " 33") == 0);
1085 ASSERT (retval == strlen (result));
1092 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1093 ASSERT (result != NULL);
1094 ASSERT (strcmp (result, " 1.750000 33") == 0);
1095 ASSERT (retval == strlen (result));
1102 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1103 ASSERT (result != NULL);
1104 ASSERT (strcmp (result, "1.750000 33") == 0);
1105 ASSERT (retval == strlen (result));
1109 { /* FLAG_SHOWSIGN. */
1112 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1113 ASSERT (result != NULL);
1114 ASSERT (strcmp (result, "+1.750000 33") == 0);
1115 ASSERT (retval == strlen (result));
1122 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1123 ASSERT (result != NULL);
1124 ASSERT (strcmp (result, " 1.750000 33") == 0);
1125 ASSERT (retval == strlen (result));
1132 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1133 ASSERT (result != NULL);
1134 ASSERT (strcmp (result, "1.750000 33") == 0);
1135 ASSERT (retval == strlen (result));
1142 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strcmp (result, "2. 33") == 0);
1145 ASSERT (retval == strlen (result));
1149 { /* FLAG_ZERO with finite number. */
1152 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1153 ASSERT (result != NULL);
1154 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1155 ASSERT (retval == strlen (result));
1159 { /* FLAG_ZERO with infinite number. */
1162 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1163 ASSERT (result != NULL);
1164 ASSERT (strcmp (result, " -inf 33") == 0
1165 || strcmp (result, " -infinity 33") == 0);
1166 ASSERT (retval == strlen (result));
1170 { /* FLAG_ZERO with NaN. */
1173 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1174 ASSERT (result != NULL);
1175 ASSERT (strlen (result) == 50 + 3
1176 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1177 && strcmp (result + strlen (result) - 3, " 33") == 0);
1178 ASSERT (retval == strlen (result));
1185 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1186 ASSERT (result != NULL);
1187 ASSERT (strcmp (result, "1234 33") == 0);
1188 ASSERT (retval == strlen (result));
1192 { /* Precision with no rounding. */
1195 my_asprintf (&result, "%.2f %d", 999.951, 33, 44, 55);
1196 ASSERT (result != NULL);
1197 ASSERT (strcmp (result, "999.95 33") == 0);
1198 ASSERT (retval == strlen (result));
1202 { /* Precision with rounding. */
1205 my_asprintf (&result, "%.2f %d", 999.996, 33, 44, 55);
1206 ASSERT (result != NULL);
1207 ASSERT (strcmp (result, "1000.00 33") == 0);
1208 ASSERT (retval == strlen (result));
1212 { /* A positive number. */
1215 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1216 ASSERT (result != NULL);
1217 ASSERT (strcmp (result, "12.750000 33") == 0);
1218 ASSERT (retval == strlen (result));
1222 { /* A larger positive number. */
1225 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1226 ASSERT (result != NULL);
1227 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1228 ASSERT (retval == strlen (result));
1232 { /* Small and large positive numbers. */
1233 static struct { long double value; const char *string; } data[] =
1235 { 1.234321234321234e-37L, "0.000000" },
1236 { 1.234321234321234e-36L, "0.000000" },
1237 { 1.234321234321234e-35L, "0.000000" },
1238 { 1.234321234321234e-34L, "0.000000" },
1239 { 1.234321234321234e-33L, "0.000000" },
1240 { 1.234321234321234e-32L, "0.000000" },
1241 { 1.234321234321234e-31L, "0.000000" },
1242 { 1.234321234321234e-30L, "0.000000" },
1243 { 1.234321234321234e-29L, "0.000000" },
1244 { 1.234321234321234e-28L, "0.000000" },
1245 { 1.234321234321234e-27L, "0.000000" },
1246 { 1.234321234321234e-26L, "0.000000" },
1247 { 1.234321234321234e-25L, "0.000000" },
1248 { 1.234321234321234e-24L, "0.000000" },
1249 { 1.234321234321234e-23L, "0.000000" },
1250 { 1.234321234321234e-22L, "0.000000" },
1251 { 1.234321234321234e-21L, "0.000000" },
1252 { 1.234321234321234e-20L, "0.000000" },
1253 { 1.234321234321234e-19L, "0.000000" },
1254 { 1.234321234321234e-18L, "0.000000" },
1255 { 1.234321234321234e-17L, "0.000000" },
1256 { 1.234321234321234e-16L, "0.000000" },
1257 { 1.234321234321234e-15L, "0.000000" },
1258 { 1.234321234321234e-14L, "0.000000" },
1259 { 1.234321234321234e-13L, "0.000000" },
1260 { 1.234321234321234e-12L, "0.000000" },
1261 { 1.234321234321234e-11L, "0.000000" },
1262 { 1.234321234321234e-10L, "0.000000" },
1263 { 1.234321234321234e-9L, "0.000000" },
1264 { 1.234321234321234e-8L, "0.000000" },
1265 { 1.234321234321234e-7L, "0.000000" },
1266 { 1.234321234321234e-6L, "0.000001" },
1267 { 1.234321234321234e-5L, "0.000012" },
1268 { 1.234321234321234e-4L, "0.000123" },
1269 { 1.234321234321234e-3L, "0.001234" },
1270 { 1.234321234321234e-2L, "0.012343" },
1271 { 1.234321234321234e-1L, "0.123432" },
1272 { 1.234321234321234L, "1.234321" },
1273 { 1.234321234321234e1L, "12.343212" },
1274 { 1.234321234321234e2L, "123.432123" },
1275 { 1.234321234321234e3L, "1234.321234" },
1276 { 1.234321234321234e4L, "12343.212343" },
1277 { 1.234321234321234e5L, "123432.123432" },
1278 { 1.234321234321234e6L, "1234321.234321" },
1279 { 1.234321234321234e7L, "12343212.343212" },
1280 { 1.234321234321234e8L, "123432123.432123" },
1281 { 1.234321234321234e9L, "1234321234.321234" },
1282 { 1.234321234321234e10L, "12343212343.2123**" },
1283 { 1.234321234321234e11L, "123432123432.123***" },
1284 { 1.234321234321234e12L, "1234321234321.23****" },
1285 { 1.234321234321234e13L, "12343212343212.3*****" },
1286 { 1.234321234321234e14L, "123432123432123.******" },
1287 { 1.234321234321234e15L, "1234321234321234.000000" },
1288 { 1.234321234321234e16L, "123432123432123**.000000" },
1289 { 1.234321234321234e17L, "123432123432123***.000000" },
1290 { 1.234321234321234e18L, "123432123432123****.000000" },
1291 { 1.234321234321234e19L, "123432123432123*****.000000" },
1292 { 1.234321234321234e20L, "123432123432123******.000000" },
1293 { 1.234321234321234e21L, "123432123432123*******.000000" },
1294 { 1.234321234321234e22L, "123432123432123********.000000" },
1295 { 1.234321234321234e23L, "123432123432123*********.000000" },
1296 { 1.234321234321234e24L, "123432123432123**********.000000" },
1297 { 1.234321234321234e25L, "123432123432123***********.000000" },
1298 { 1.234321234321234e26L, "123432123432123************.000000" },
1299 { 1.234321234321234e27L, "123432123432123*************.000000" },
1300 { 1.234321234321234e28L, "123432123432123**************.000000" },
1301 { 1.234321234321234e29L, "123432123432123***************.000000" },
1302 { 1.234321234321234e30L, "123432123432123****************.000000" },
1303 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1304 { 1.234321234321234e32L, "123432123432123******************.000000" },
1305 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1306 { 1.234321234321234e34L, "123432123432123********************.000000" },
1307 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1308 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1311 for (k = 0; k < SIZEOF (data); k++)
1315 my_asprintf (&result, "%Lf", data[k].value);
1316 ASSERT (result != NULL);
1317 ASSERT (strmatch (data[k].string, result));
1318 ASSERT (retval == strlen (result));
1323 { /* A negative number. */
1326 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1327 ASSERT (result != NULL);
1328 ASSERT (strcmp (result, "-0.031250 33") == 0);
1329 ASSERT (retval == strlen (result));
1333 { /* Positive zero. */
1336 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1337 ASSERT (result != NULL);
1338 ASSERT (strcmp (result, "0.000000 33") == 0);
1339 ASSERT (retval == strlen (result));
1343 { /* Negative zero. */
1346 my_asprintf (&result, "%Lf %d", minus_zerol, 33, 44, 55);
1347 ASSERT (result != NULL);
1348 if (have_minus_zero ())
1349 ASSERT (strcmp (result, "-0.000000 33") == 0);
1350 ASSERT (retval == strlen (result));
1354 { /* Positive infinity. */
1357 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1358 ASSERT (result != NULL);
1359 ASSERT (strcmp (result, "inf 33") == 0
1360 || strcmp (result, "infinity 33") == 0);
1361 ASSERT (retval == strlen (result));
1365 { /* Negative infinity. */
1368 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1369 ASSERT (result != NULL);
1370 ASSERT (strcmp (result, "-inf 33") == 0
1371 || strcmp (result, "-infinity 33") == 0);
1372 ASSERT (retval == strlen (result));
1379 my_asprintf (&result, "%Lf %d", NaNl (), 33, 44, 55);
1380 ASSERT (result != NULL);
1381 ASSERT (strlen (result) >= 3 + 3
1382 && strisnan (result, 0, strlen (result) - 3, 0)
1383 && strcmp (result + strlen (result) - 3, " 33") == 0);
1384 ASSERT (retval == strlen (result));
1387 #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_))
1389 static union { unsigned int word[4]; long double value; } x =
1390 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1393 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1394 ASSERT (result != NULL);
1395 ASSERT (strlen (result) >= 3 + 3
1396 && strisnan (result, 0, strlen (result) - 3, 0)
1397 && strcmp (result + strlen (result) - 3, " 33") == 0);
1398 ASSERT (retval == strlen (result));
1402 /* Signalling NaN. */
1403 static union { unsigned int word[4]; long double value; } x =
1404 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1407 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1408 ASSERT (result != NULL);
1409 ASSERT (strlen (result) >= 3 + 3
1410 && strisnan (result, 0, strlen (result) - 3, 0)
1411 && strcmp (result + strlen (result) - 3, " 33") == 0);
1412 ASSERT (retval == strlen (result));
1415 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1416 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1417 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1418 Application Architecture.
1419 Table 5-2 "Floating-Point Register Encodings"
1420 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1423 static union { unsigned int word[4]; long double value; } x =
1424 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1427 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1428 ASSERT (result != NULL);
1429 ASSERT (strlen (result) >= 3 + 3
1430 && strisnan (result, 0, strlen (result) - 3, 0)
1431 && strcmp (result + strlen (result) - 3, " 33") == 0);
1432 ASSERT (retval == strlen (result));
1435 { /* Pseudo-Infinity. */
1436 static union { unsigned int word[4]; long double value; } x =
1437 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1440 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1441 ASSERT (result != NULL);
1442 ASSERT (strlen (result) >= 3 + 3
1443 && strisnan (result, 0, strlen (result) - 3, 0)
1444 && strcmp (result + strlen (result) - 3, " 33") == 0);
1445 ASSERT (retval == strlen (result));
1448 { /* Pseudo-Zero. */
1449 static union { unsigned int word[4]; long double value; } x =
1450 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1453 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1454 ASSERT (result != NULL);
1455 ASSERT (strlen (result) >= 3 + 3
1456 && strisnan (result, 0, strlen (result) - 3, 0)
1457 && strcmp (result + strlen (result) - 3, " 33") == 0);
1458 ASSERT (retval == strlen (result));
1461 { /* Unnormalized number. */
1462 static union { unsigned int word[4]; long double value; } x =
1463 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1466 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1467 ASSERT (result != NULL);
1468 ASSERT (strlen (result) >= 3 + 3
1469 && strisnan (result, 0, strlen (result) - 3, 0)
1470 && strcmp (result + strlen (result) - 3, " 33") == 0);
1471 ASSERT (retval == strlen (result));
1474 { /* Pseudo-Denormal. */
1475 static union { unsigned int word[4]; long double value; } x =
1476 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1479 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1480 ASSERT (result != NULL);
1481 ASSERT (strlen (result) >= 3 + 3
1482 && strisnan (result, 0, strlen (result) - 3, 0)
1483 && strcmp (result + strlen (result) - 3, " 33") == 0);
1484 ASSERT (retval == strlen (result));
1492 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1493 ASSERT (result != NULL);
1494 ASSERT (strcmp (result, " 1.750000 33") == 0);
1495 ASSERT (retval == strlen (result));
1502 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1503 ASSERT (result != NULL);
1504 ASSERT (strcmp (result, "1.750000 33") == 0);
1505 ASSERT (retval == strlen (result));
1509 { /* FLAG_SHOWSIGN. */
1512 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1513 ASSERT (result != NULL);
1514 ASSERT (strcmp (result, "+1.750000 33") == 0);
1515 ASSERT (retval == strlen (result));
1522 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1523 ASSERT (result != NULL);
1524 ASSERT (strcmp (result, " 1.750000 33") == 0);
1525 ASSERT (retval == strlen (result));
1532 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1533 ASSERT (result != NULL);
1534 ASSERT (strcmp (result, "1.750000 33") == 0);
1535 ASSERT (retval == strlen (result));
1542 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1543 ASSERT (result != NULL);
1544 ASSERT (strcmp (result, "2. 33") == 0);
1545 ASSERT (retval == strlen (result));
1549 { /* FLAG_ZERO with finite number. */
1552 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1553 ASSERT (result != NULL);
1554 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1555 ASSERT (retval == strlen (result));
1559 { /* FLAG_ZERO with infinite number. */
1562 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1563 ASSERT (result != NULL);
1564 ASSERT (strcmp (result, " -inf 33") == 0
1565 || strcmp (result, " -infinity 33") == 0);
1566 ASSERT (retval == strlen (result));
1570 { /* FLAG_ZERO with NaN. */
1573 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1574 ASSERT (result != NULL);
1575 ASSERT (strlen (result) == 50 + 3
1576 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1577 && strcmp (result + strlen (result) - 3, " 33") == 0);
1578 ASSERT (retval == strlen (result));
1585 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1586 ASSERT (result != NULL);
1587 ASSERT (strcmp (result, "1234 33") == 0);
1588 ASSERT (retval == strlen (result));
1592 { /* Precision with no rounding. */
1595 my_asprintf (&result, "%.2Lf %d", 999.951L, 33, 44, 55);
1596 ASSERT (result != NULL);
1597 ASSERT (strcmp (result, "999.95 33") == 0);
1598 ASSERT (retval == strlen (result));
1602 { /* Precision with rounding. */
1605 my_asprintf (&result, "%.2Lf %d", 999.996L, 33, 44, 55);
1606 ASSERT (result != NULL);
1607 ASSERT (strcmp (result, "1000.00 33") == 0);
1608 ASSERT (retval == strlen (result));
1612 /* Test the support of the %F format directive. */
1614 { /* A positive number. */
1617 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1618 ASSERT (result != NULL);
1619 ASSERT (strcmp (result, "12.750000 33") == 0);
1620 ASSERT (retval == strlen (result));
1624 { /* A larger positive number. */
1627 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1628 ASSERT (result != NULL);
1629 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1630 ASSERT (retval == strlen (result));
1634 { /* A negative number. */
1637 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1638 ASSERT (result != NULL);
1639 ASSERT (strcmp (result, "-0.031250 33") == 0);
1640 ASSERT (retval == strlen (result));
1644 { /* Positive zero. */
1647 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1648 ASSERT (result != NULL);
1649 ASSERT (strcmp (result, "0.000000 33") == 0);
1650 ASSERT (retval == strlen (result));
1654 { /* Negative zero. */
1657 my_asprintf (&result, "%F %d", -zerod, 33, 44, 55);
1658 ASSERT (result != NULL);
1659 if (have_minus_zero ())
1660 ASSERT (strcmp (result, "-0.000000 33") == 0);
1661 ASSERT (retval == strlen (result));
1665 { /* Positive infinity. */
1668 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1669 ASSERT (result != NULL);
1670 ASSERT (strcmp (result, "INF 33") == 0
1671 || strcmp (result, "INFINITY 33") == 0);
1672 ASSERT (retval == strlen (result));
1676 { /* Negative infinity. */
1679 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1680 ASSERT (result != NULL);
1681 ASSERT (strcmp (result, "-INF 33") == 0
1682 || strcmp (result, "-INFINITY 33") == 0);
1683 ASSERT (retval == strlen (result));
1690 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1691 ASSERT (result != NULL);
1692 ASSERT (strlen (result) >= 3 + 3
1693 && strisnan (result, 0, strlen (result) - 3, 1)
1694 && strcmp (result + strlen (result) - 3, " 33") == 0);
1695 ASSERT (retval == strlen (result));
1702 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1703 ASSERT (result != NULL);
1704 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1705 ASSERT (retval == strlen (result));
1709 { /* FLAG_ZERO with infinite number. */
1712 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1713 ASSERT (result != NULL);
1714 ASSERT (strcmp (result, " -INF 33") == 0
1715 || strcmp (result, " -INFINITY 33") == 0);
1716 ASSERT (retval == strlen (result));
1723 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1724 ASSERT (result != NULL);
1725 ASSERT (strcmp (result, "1234 33") == 0);
1726 ASSERT (retval == strlen (result));
1730 { /* Precision with no rounding. */
1733 my_asprintf (&result, "%.2F %d", 999.951, 33, 44, 55);
1734 ASSERT (result != NULL);
1735 ASSERT (strcmp (result, "999.95 33") == 0);
1736 ASSERT (retval == strlen (result));
1740 { /* Precision with rounding. */
1743 my_asprintf (&result, "%.2F %d", 999.996, 33, 44, 55);
1744 ASSERT (result != NULL);
1745 ASSERT (strcmp (result, "1000.00 33") == 0);
1746 ASSERT (retval == strlen (result));
1750 { /* A positive number. */
1753 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1754 ASSERT (result != NULL);
1755 ASSERT (strcmp (result, "12.750000 33") == 0);
1756 ASSERT (retval == strlen (result));
1760 { /* A larger positive number. */
1763 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1764 ASSERT (result != NULL);
1765 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1766 ASSERT (retval == strlen (result));
1770 { /* A negative number. */
1773 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1774 ASSERT (result != NULL);
1775 ASSERT (strcmp (result, "-0.031250 33") == 0);
1776 ASSERT (retval == strlen (result));
1780 { /* Positive zero. */
1783 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1784 ASSERT (result != NULL);
1785 ASSERT (strcmp (result, "0.000000 33") == 0);
1786 ASSERT (retval == strlen (result));
1790 { /* Negative zero. */
1793 my_asprintf (&result, "%LF %d", minus_zerol, 33, 44, 55);
1794 ASSERT (result != NULL);
1795 if (have_minus_zero ())
1796 ASSERT (strcmp (result, "-0.000000 33") == 0);
1797 ASSERT (retval == strlen (result));
1801 { /* Positive infinity. */
1804 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1805 ASSERT (result != NULL);
1806 ASSERT (strcmp (result, "INF 33") == 0
1807 || strcmp (result, "INFINITY 33") == 0);
1808 ASSERT (retval == strlen (result));
1812 { /* Negative infinity. */
1815 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1816 ASSERT (result != NULL);
1817 ASSERT (strcmp (result, "-INF 33") == 0
1818 || strcmp (result, "-INFINITY 33") == 0);
1819 ASSERT (retval == strlen (result));
1826 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1827 ASSERT (result != NULL);
1828 ASSERT (strlen (result) >= 3 + 3
1829 && strisnan (result, 0, strlen (result) - 3, 1)
1830 && strcmp (result + strlen (result) - 3, " 33") == 0);
1831 ASSERT (retval == strlen (result));
1838 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1839 ASSERT (result != NULL);
1840 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1841 ASSERT (retval == strlen (result));
1845 { /* FLAG_ZERO with infinite number. */
1848 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1849 ASSERT (result != NULL);
1850 ASSERT (strcmp (result, " -INF 33") == 0
1851 || strcmp (result, " -INFINITY 33") == 0);
1852 ASSERT (retval == strlen (result));
1859 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1860 ASSERT (result != NULL);
1861 ASSERT (strcmp (result, "1234 33") == 0);
1862 ASSERT (retval == strlen (result));
1866 { /* Precision with no rounding. */
1869 my_asprintf (&result, "%.2LF %d", 999.951L, 33, 44, 55);
1870 ASSERT (result != NULL);
1871 ASSERT (strcmp (result, "999.95 33") == 0);
1872 ASSERT (retval == strlen (result));
1876 { /* Precision with rounding. */
1879 my_asprintf (&result, "%.2LF %d", 999.996L, 33, 44, 55);
1880 ASSERT (result != NULL);
1881 ASSERT (strcmp (result, "1000.00 33") == 0);
1882 ASSERT (retval == strlen (result));
1886 /* Test the support of the %e format directive. */
1888 { /* A positive number. */
1891 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1892 ASSERT (result != NULL);
1893 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1894 || strcmp (result, "1.275000e+001 33") == 0);
1895 ASSERT (retval == strlen (result));
1899 { /* A larger positive number. */
1902 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1903 ASSERT (result != NULL);
1904 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1905 || strcmp (result, "1.234567e+006 33") == 0);
1906 ASSERT (retval == strlen (result));
1910 { /* Small and large positive numbers. */
1911 static struct { double value; const char *string; } data[] =
1913 { 1.234321234321234e-37, "1.234321e-37" },
1914 { 1.234321234321234e-36, "1.234321e-36" },
1915 { 1.234321234321234e-35, "1.234321e-35" },
1916 { 1.234321234321234e-34, "1.234321e-34" },
1917 { 1.234321234321234e-33, "1.234321e-33" },
1918 { 1.234321234321234e-32, "1.234321e-32" },
1919 { 1.234321234321234e-31, "1.234321e-31" },
1920 { 1.234321234321234e-30, "1.234321e-30" },
1921 { 1.234321234321234e-29, "1.234321e-29" },
1922 { 1.234321234321234e-28, "1.234321e-28" },
1923 { 1.234321234321234e-27, "1.234321e-27" },
1924 { 1.234321234321234e-26, "1.234321e-26" },
1925 { 1.234321234321234e-25, "1.234321e-25" },
1926 { 1.234321234321234e-24, "1.234321e-24" },
1927 { 1.234321234321234e-23, "1.234321e-23" },
1928 { 1.234321234321234e-22, "1.234321e-22" },
1929 { 1.234321234321234e-21, "1.234321e-21" },
1930 { 1.234321234321234e-20, "1.234321e-20" },
1931 { 1.234321234321234e-19, "1.234321e-19" },
1932 { 1.234321234321234e-18, "1.234321e-18" },
1933 { 1.234321234321234e-17, "1.234321e-17" },
1934 { 1.234321234321234e-16, "1.234321e-16" },
1935 { 1.234321234321234e-15, "1.234321e-15" },
1936 { 1.234321234321234e-14, "1.234321e-14" },
1937 { 1.234321234321234e-13, "1.234321e-13" },
1938 { 1.234321234321234e-12, "1.234321e-12" },
1939 { 1.234321234321234e-11, "1.234321e-11" },
1940 { 1.234321234321234e-10, "1.234321e-10" },
1941 { 1.234321234321234e-9, "1.234321e-09" },
1942 { 1.234321234321234e-8, "1.234321e-08" },
1943 { 1.234321234321234e-7, "1.234321e-07" },
1944 { 1.234321234321234e-6, "1.234321e-06" },
1945 { 1.234321234321234e-5, "1.234321e-05" },
1946 { 1.234321234321234e-4, "1.234321e-04" },
1947 { 1.234321234321234e-3, "1.234321e-03" },
1948 { 1.234321234321234e-2, "1.234321e-02" },
1949 { 1.234321234321234e-1, "1.234321e-01" },
1950 { 1.234321234321234, "1.234321e+00" },
1951 { 1.234321234321234e1, "1.234321e+01" },
1952 { 1.234321234321234e2, "1.234321e+02" },
1953 { 1.234321234321234e3, "1.234321e+03" },
1954 { 1.234321234321234e4, "1.234321e+04" },
1955 { 1.234321234321234e5, "1.234321e+05" },
1956 { 1.234321234321234e6, "1.234321e+06" },
1957 { 1.234321234321234e7, "1.234321e+07" },
1958 { 1.234321234321234e8, "1.234321e+08" },
1959 { 1.234321234321234e9, "1.234321e+09" },
1960 { 1.234321234321234e10, "1.234321e+10" },
1961 { 1.234321234321234e11, "1.234321e+11" },
1962 { 1.234321234321234e12, "1.234321e+12" },
1963 { 1.234321234321234e13, "1.234321e+13" },
1964 { 1.234321234321234e14, "1.234321e+14" },
1965 { 1.234321234321234e15, "1.234321e+15" },
1966 { 1.234321234321234e16, "1.234321e+16" },
1967 { 1.234321234321234e17, "1.234321e+17" },
1968 { 1.234321234321234e18, "1.234321e+18" },
1969 { 1.234321234321234e19, "1.234321e+19" },
1970 { 1.234321234321234e20, "1.234321e+20" },
1971 { 1.234321234321234e21, "1.234321e+21" },
1972 { 1.234321234321234e22, "1.234321e+22" },
1973 { 1.234321234321234e23, "1.234321e+23" },
1974 { 1.234321234321234e24, "1.234321e+24" },
1975 { 1.234321234321234e25, "1.234321e+25" },
1976 { 1.234321234321234e26, "1.234321e+26" },
1977 { 1.234321234321234e27, "1.234321e+27" },
1978 { 1.234321234321234e28, "1.234321e+28" },
1979 { 1.234321234321234e29, "1.234321e+29" },
1980 { 1.234321234321234e30, "1.234321e+30" },
1981 { 1.234321234321234e31, "1.234321e+31" },
1982 { 1.234321234321234e32, "1.234321e+32" },
1983 { 1.234321234321234e33, "1.234321e+33" },
1984 { 1.234321234321234e34, "1.234321e+34" },
1985 { 1.234321234321234e35, "1.234321e+35" },
1986 { 1.234321234321234e36, "1.234321e+36" }
1989 for (k = 0; k < SIZEOF (data); k++)
1993 my_asprintf (&result, "%e", data[k].value);
1994 const char *expected = data[k].string;
1995 ASSERT (result != NULL);
1996 ASSERT (strcmp (result, expected) == 0
1997 /* Some implementations produce exponents with 3 digits. */
1998 || (strlen (result) == strlen (expected) + 1
1999 && memcmp (result, expected, strlen (expected) - 2) == 0
2000 && result[strlen (expected) - 2] == '0'
2001 && strcmp (result + strlen (expected) - 1,
2002 expected + strlen (expected) - 2)
2004 ASSERT (retval == strlen (result));
2009 { /* A negative number. */
2012 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
2013 ASSERT (result != NULL);
2014 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2015 || strcmp (result, "-3.125000e-002 33") == 0);
2016 ASSERT (retval == strlen (result));
2020 { /* Positive zero. */
2023 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
2024 ASSERT (result != NULL);
2025 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2026 || strcmp (result, "0.000000e+000 33") == 0);
2027 ASSERT (retval == strlen (result));
2031 { /* Negative zero. */
2034 my_asprintf (&result, "%e %d", -zerod, 33, 44, 55);
2035 ASSERT (result != NULL);
2036 if (have_minus_zero ())
2037 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2038 || strcmp (result, "-0.000000e+000 33") == 0);
2039 ASSERT (retval == strlen (result));
2043 { /* Positive infinity. */
2046 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
2047 ASSERT (result != NULL);
2048 ASSERT (strcmp (result, "inf 33") == 0
2049 || strcmp (result, "infinity 33") == 0);
2050 ASSERT (retval == strlen (result));
2054 { /* Negative infinity. */
2057 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
2058 ASSERT (result != NULL);
2059 ASSERT (strcmp (result, "-inf 33") == 0
2060 || strcmp (result, "-infinity 33") == 0);
2061 ASSERT (retval == strlen (result));
2068 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
2069 ASSERT (result != NULL);
2070 ASSERT (strlen (result) >= 3 + 3
2071 && strisnan (result, 0, strlen (result) - 3, 0)
2072 && strcmp (result + strlen (result) - 3, " 33") == 0);
2073 ASSERT (retval == strlen (result));
2080 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
2081 ASSERT (result != NULL);
2082 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2083 || strcmp (result, " 1.750000e+000 33") == 0);
2084 ASSERT (retval == strlen (result));
2091 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
2092 ASSERT (result != NULL);
2093 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2094 || strcmp (result, "1.750000e+000 33") == 0);
2095 ASSERT (retval == strlen (result));
2099 { /* FLAG_SHOWSIGN. */
2102 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2103 ASSERT (result != NULL);
2104 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2105 || strcmp (result, "+1.750000e+000 33") == 0);
2106 ASSERT (retval == strlen (result));
2113 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2114 ASSERT (result != NULL);
2115 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2116 || strcmp (result, " 1.750000e+000 33") == 0);
2117 ASSERT (retval == strlen (result));
2124 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2125 ASSERT (result != NULL);
2126 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2127 || strcmp (result, "1.750000e+000 33") == 0);
2128 ASSERT (retval == strlen (result));
2135 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2136 ASSERT (result != NULL);
2137 ASSERT (strcmp (result, "2.e+00 33") == 0
2138 || strcmp (result, "2.e+000 33") == 0);
2139 ASSERT (retval == strlen (result));
2146 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2147 ASSERT (result != NULL);
2148 ASSERT (strcmp (result, "1.e+01 33") == 0
2149 || strcmp (result, "1.e+001 33") == 0);
2150 ASSERT (retval == strlen (result));
2154 { /* FLAG_ZERO with finite number. */
2157 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2158 ASSERT (result != NULL);
2159 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2160 || strcmp (result, "001.234000e+003 33") == 0);
2161 ASSERT (retval == strlen (result));
2165 { /* FLAG_ZERO with infinite number. */
2168 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2169 ASSERT (result != NULL);
2170 ASSERT (strcmp (result, " -inf 33") == 0
2171 || strcmp (result, " -infinity 33") == 0);
2172 ASSERT (retval == strlen (result));
2176 { /* FLAG_ZERO with NaN. */
2179 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2180 ASSERT (result != NULL);
2181 ASSERT (strlen (result) == 50 + 3
2182 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2183 && strcmp (result + strlen (result) - 3, " 33") == 0);
2184 ASSERT (retval == strlen (result));
2191 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2192 ASSERT (result != NULL);
2193 ASSERT (strcmp (result, "1e+03 33") == 0
2194 || strcmp (result, "1e+003 33") == 0);
2195 ASSERT (retval == strlen (result));
2199 { /* Precision with no rounding. */
2202 my_asprintf (&result, "%.4e %d", 999.951, 33, 44, 55);
2203 ASSERT (result != NULL);
2204 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2205 || strcmp (result, "9.9995e+002 33") == 0);
2206 ASSERT (retval == strlen (result));
2210 { /* Precision with rounding. */
2213 my_asprintf (&result, "%.4e %d", 999.996, 33, 44, 55);
2214 ASSERT (result != NULL);
2215 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2216 || strcmp (result, "1.0000e+003 33") == 0);
2217 ASSERT (retval == strlen (result));
2221 { /* A positive number. */
2224 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2225 ASSERT (result != NULL);
2226 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2227 || strcmp (result, "1.275000e+001 33") == 0);
2228 ASSERT (retval == strlen (result));
2232 { /* A larger positive number. */
2235 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2236 ASSERT (result != NULL);
2237 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2238 || strcmp (result, "1.234567e+006 33") == 0);
2239 ASSERT (retval == strlen (result));
2243 { /* Small and large positive numbers. */
2244 static struct { long double value; const char *string; } data[] =
2246 { 1.234321234321234e-37L, "1.234321e-37" },
2247 { 1.234321234321234e-36L, "1.234321e-36" },
2248 { 1.234321234321234e-35L, "1.234321e-35" },
2249 { 1.234321234321234e-34L, "1.234321e-34" },
2250 { 1.234321234321234e-33L, "1.234321e-33" },
2251 { 1.234321234321234e-32L, "1.234321e-32" },
2252 { 1.234321234321234e-31L, "1.234321e-31" },
2253 { 1.234321234321234e-30L, "1.234321e-30" },
2254 { 1.234321234321234e-29L, "1.234321e-29" },
2255 { 1.234321234321234e-28L, "1.234321e-28" },
2256 { 1.234321234321234e-27L, "1.234321e-27" },
2257 { 1.234321234321234e-26L, "1.234321e-26" },
2258 { 1.234321234321234e-25L, "1.234321e-25" },
2259 { 1.234321234321234e-24L, "1.234321e-24" },
2260 { 1.234321234321234e-23L, "1.234321e-23" },
2261 { 1.234321234321234e-22L, "1.234321e-22" },
2262 { 1.234321234321234e-21L, "1.234321e-21" },
2263 { 1.234321234321234e-20L, "1.234321e-20" },
2264 { 1.234321234321234e-19L, "1.234321e-19" },
2265 { 1.234321234321234e-18L, "1.234321e-18" },
2266 { 1.234321234321234e-17L, "1.234321e-17" },
2267 { 1.234321234321234e-16L, "1.234321e-16" },
2268 { 1.234321234321234e-15L, "1.234321e-15" },
2269 { 1.234321234321234e-14L, "1.234321e-14" },
2270 { 1.234321234321234e-13L, "1.234321e-13" },
2271 { 1.234321234321234e-12L, "1.234321e-12" },
2272 { 1.234321234321234e-11L, "1.234321e-11" },
2273 { 1.234321234321234e-10L, "1.234321e-10" },
2274 { 1.234321234321234e-9L, "1.234321e-09" },
2275 { 1.234321234321234e-8L, "1.234321e-08" },
2276 { 1.234321234321234e-7L, "1.234321e-07" },
2277 { 1.234321234321234e-6L, "1.234321e-06" },
2278 { 1.234321234321234e-5L, "1.234321e-05" },
2279 { 1.234321234321234e-4L, "1.234321e-04" },
2280 { 1.234321234321234e-3L, "1.234321e-03" },
2281 { 1.234321234321234e-2L, "1.234321e-02" },
2282 { 1.234321234321234e-1L, "1.234321e-01" },
2283 { 1.234321234321234L, "1.234321e+00" },
2284 { 1.234321234321234e1L, "1.234321e+01" },
2285 { 1.234321234321234e2L, "1.234321e+02" },
2286 { 1.234321234321234e3L, "1.234321e+03" },
2287 { 1.234321234321234e4L, "1.234321e+04" },
2288 { 1.234321234321234e5L, "1.234321e+05" },
2289 { 1.234321234321234e6L, "1.234321e+06" },
2290 { 1.234321234321234e7L, "1.234321e+07" },
2291 { 1.234321234321234e8L, "1.234321e+08" },
2292 { 1.234321234321234e9L, "1.234321e+09" },
2293 { 1.234321234321234e10L, "1.234321e+10" },
2294 { 1.234321234321234e11L, "1.234321e+11" },
2295 { 1.234321234321234e12L, "1.234321e+12" },
2296 { 1.234321234321234e13L, "1.234321e+13" },
2297 { 1.234321234321234e14L, "1.234321e+14" },
2298 { 1.234321234321234e15L, "1.234321e+15" },
2299 { 1.234321234321234e16L, "1.234321e+16" },
2300 { 1.234321234321234e17L, "1.234321e+17" },
2301 { 1.234321234321234e18L, "1.234321e+18" },
2302 { 1.234321234321234e19L, "1.234321e+19" },
2303 { 1.234321234321234e20L, "1.234321e+20" },
2304 { 1.234321234321234e21L, "1.234321e+21" },
2305 { 1.234321234321234e22L, "1.234321e+22" },
2306 { 1.234321234321234e23L, "1.234321e+23" },
2307 { 1.234321234321234e24L, "1.234321e+24" },
2308 { 1.234321234321234e25L, "1.234321e+25" },
2309 { 1.234321234321234e26L, "1.234321e+26" },
2310 { 1.234321234321234e27L, "1.234321e+27" },
2311 { 1.234321234321234e28L, "1.234321e+28" },
2312 { 1.234321234321234e29L, "1.234321e+29" },
2313 { 1.234321234321234e30L, "1.234321e+30" },
2314 { 1.234321234321234e31L, "1.234321e+31" },
2315 { 1.234321234321234e32L, "1.234321e+32" },
2316 { 1.234321234321234e33L, "1.234321e+33" },
2317 { 1.234321234321234e34L, "1.234321e+34" },
2318 { 1.234321234321234e35L, "1.234321e+35" },
2319 { 1.234321234321234e36L, "1.234321e+36" }
2322 for (k = 0; k < SIZEOF (data); k++)
2326 my_asprintf (&result, "%Le", data[k].value);
2327 const char *expected = data[k].string;
2328 ASSERT (result != NULL);
2329 ASSERT (strcmp (result, expected) == 0
2330 /* Some implementations produce exponents with 3 digits. */
2331 || (strlen (result) == strlen (expected) + 1
2332 && memcmp (result, expected, strlen (expected) - 2) == 0
2333 && result[strlen (expected) - 2] == '0'
2334 && strcmp (result + strlen (expected) - 1,
2335 expected + strlen (expected) - 2)
2337 ASSERT (retval == strlen (result));
2342 { /* A negative number. */
2345 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2346 ASSERT (result != NULL);
2347 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2348 || strcmp (result, "-3.125000e-002 33") == 0);
2349 ASSERT (retval == strlen (result));
2353 { /* Positive zero. */
2356 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2357 ASSERT (result != NULL);
2358 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2359 || strcmp (result, "0.000000e+000 33") == 0);
2360 ASSERT (retval == strlen (result));
2364 { /* Negative zero. */
2367 my_asprintf (&result, "%Le %d", minus_zerol, 33, 44, 55);
2368 ASSERT (result != NULL);
2369 if (have_minus_zero ())
2370 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2371 || strcmp (result, "-0.000000e+000 33") == 0);
2372 ASSERT (retval == strlen (result));
2376 { /* Positive infinity. */
2379 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2380 ASSERT (result != NULL);
2381 ASSERT (strcmp (result, "inf 33") == 0
2382 || strcmp (result, "infinity 33") == 0);
2383 ASSERT (retval == strlen (result));
2387 { /* Negative infinity. */
2390 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2391 ASSERT (result != NULL);
2392 ASSERT (strcmp (result, "-inf 33") == 0
2393 || strcmp (result, "-infinity 33") == 0);
2394 ASSERT (retval == strlen (result));
2401 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2402 ASSERT (result != NULL);
2403 ASSERT (strlen (result) >= 3 + 3
2404 && strisnan (result, 0, strlen (result) - 3, 0)
2405 && strcmp (result + strlen (result) - 3, " 33") == 0);
2406 ASSERT (retval == strlen (result));
2409 #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_))
2411 static union { unsigned int word[4]; long double value; } x =
2412 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2415 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2416 ASSERT (result != NULL);
2417 ASSERT (strlen (result) >= 3 + 3
2418 && strisnan (result, 0, strlen (result) - 3, 0)
2419 && strcmp (result + strlen (result) - 3, " 33") == 0);
2420 ASSERT (retval == strlen (result));
2424 /* Signalling NaN. */
2425 static union { unsigned int word[4]; long double value; } x =
2426 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2429 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2430 ASSERT (result != NULL);
2431 ASSERT (strlen (result) >= 3 + 3
2432 && strisnan (result, 0, strlen (result) - 3, 0)
2433 && strcmp (result + strlen (result) - 3, " 33") == 0);
2434 ASSERT (retval == strlen (result));
2437 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2438 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2439 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2440 Application Architecture.
2441 Table 5-2 "Floating-Point Register Encodings"
2442 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2445 static union { unsigned int word[4]; long double value; } x =
2446 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2449 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2450 ASSERT (result != NULL);
2451 ASSERT (strlen (result) >= 3 + 3
2452 && strisnan (result, 0, strlen (result) - 3, 0)
2453 && strcmp (result + strlen (result) - 3, " 33") == 0);
2454 ASSERT (retval == strlen (result));
2457 { /* Pseudo-Infinity. */
2458 static union { unsigned int word[4]; long double value; } x =
2459 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2462 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2463 ASSERT (result != NULL);
2464 ASSERT (strlen (result) >= 3 + 3
2465 && strisnan (result, 0, strlen (result) - 3, 0)
2466 && strcmp (result + strlen (result) - 3, " 33") == 0);
2467 ASSERT (retval == strlen (result));
2470 { /* Pseudo-Zero. */
2471 static union { unsigned int word[4]; long double value; } x =
2472 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2475 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2476 ASSERT (result != NULL);
2477 ASSERT (strlen (result) >= 3 + 3
2478 && strisnan (result, 0, strlen (result) - 3, 0)
2479 && strcmp (result + strlen (result) - 3, " 33") == 0);
2480 ASSERT (retval == strlen (result));
2483 { /* Unnormalized number. */
2484 static union { unsigned int word[4]; long double value; } x =
2485 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2488 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2489 ASSERT (result != NULL);
2490 ASSERT (strlen (result) >= 3 + 3
2491 && strisnan (result, 0, strlen (result) - 3, 0)
2492 && strcmp (result + strlen (result) - 3, " 33") == 0);
2493 ASSERT (retval == strlen (result));
2496 { /* Pseudo-Denormal. */
2497 static union { unsigned int word[4]; long double value; } x =
2498 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2501 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2502 ASSERT (result != NULL);
2503 ASSERT (strlen (result) >= 3 + 3
2504 && strisnan (result, 0, strlen (result) - 3, 0)
2505 && strcmp (result + strlen (result) - 3, " 33") == 0);
2506 ASSERT (retval == strlen (result));
2514 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2515 ASSERT (result != NULL);
2516 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2517 || strcmp (result, " 1.750000e+000 33") == 0);
2518 ASSERT (retval == strlen (result));
2525 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2526 ASSERT (result != NULL);
2527 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2528 || strcmp (result, "1.750000e+000 33") == 0);
2529 ASSERT (retval == strlen (result));
2533 { /* FLAG_SHOWSIGN. */
2536 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2537 ASSERT (result != NULL);
2538 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2539 || strcmp (result, "+1.750000e+000 33") == 0);
2540 ASSERT (retval == strlen (result));
2547 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2548 ASSERT (result != NULL);
2549 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2550 || strcmp (result, " 1.750000e+000 33") == 0);
2551 ASSERT (retval == strlen (result));
2558 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2559 ASSERT (result != NULL);
2560 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2561 || strcmp (result, "1.750000e+000 33") == 0);
2562 ASSERT (retval == strlen (result));
2569 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2570 ASSERT (result != NULL);
2571 ASSERT (strcmp (result, "2.e+00 33") == 0
2572 || strcmp (result, "2.e+000 33") == 0);
2573 ASSERT (retval == strlen (result));
2580 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2581 ASSERT (result != NULL);
2582 ASSERT (strcmp (result, "1.e+01 33") == 0
2583 || strcmp (result, "1.e+001 33") == 0);
2584 ASSERT (retval == strlen (result));
2588 { /* FLAG_ZERO with finite number. */
2591 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2592 ASSERT (result != NULL);
2593 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2594 || strcmp (result, "001.234000e+003 33") == 0);
2595 ASSERT (retval == strlen (result));
2599 { /* FLAG_ZERO with infinite number. */
2602 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2603 ASSERT (result != NULL);
2604 ASSERT (strcmp (result, " -inf 33") == 0
2605 || strcmp (result, " -infinity 33") == 0);
2606 ASSERT (retval == strlen (result));
2610 { /* FLAG_ZERO with NaN. */
2613 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2614 ASSERT (result != NULL);
2615 ASSERT (strlen (result) == 50 + 3
2616 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2617 && strcmp (result + strlen (result) - 3, " 33") == 0);
2618 ASSERT (retval == strlen (result));
2625 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2626 ASSERT (result != NULL);
2627 ASSERT (strcmp (result, "1e+03 33") == 0
2628 || strcmp (result, "1e+003 33") == 0);
2629 ASSERT (retval == strlen (result));
2633 { /* Precision with no rounding. */
2636 my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55);
2637 ASSERT (result != NULL);
2638 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2639 || strcmp (result, "9.9995e+002 33") == 0);
2640 ASSERT (retval == strlen (result));
2644 { /* Precision with rounding. */
2647 my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55);
2648 ASSERT (result != NULL);
2649 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2650 || strcmp (result, "1.0000e+003 33") == 0);
2651 ASSERT (retval == strlen (result));
2655 /* Test the support of the %g format directive. */
2657 { /* A positive number. */
2660 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2661 ASSERT (result != NULL);
2662 ASSERT (strcmp (result, "12.75 33") == 0);
2663 ASSERT (retval == strlen (result));
2667 { /* A larger positive number. */
2670 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2671 ASSERT (result != NULL);
2672 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2673 || strcmp (result, "1.23457e+006 33") == 0);
2674 ASSERT (retval == strlen (result));
2678 { /* Small and large positive numbers. */
2679 static struct { double value; const char *string; } data[] =
2681 { 1.234321234321234e-37, "1.23432e-37" },
2682 { 1.234321234321234e-36, "1.23432e-36" },
2683 { 1.234321234321234e-35, "1.23432e-35" },
2684 { 1.234321234321234e-34, "1.23432e-34" },
2685 { 1.234321234321234e-33, "1.23432e-33" },
2686 { 1.234321234321234e-32, "1.23432e-32" },
2687 { 1.234321234321234e-31, "1.23432e-31" },
2688 { 1.234321234321234e-30, "1.23432e-30" },
2689 { 1.234321234321234e-29, "1.23432e-29" },
2690 { 1.234321234321234e-28, "1.23432e-28" },
2691 { 1.234321234321234e-27, "1.23432e-27" },
2692 { 1.234321234321234e-26, "1.23432e-26" },
2693 { 1.234321234321234e-25, "1.23432e-25" },
2694 { 1.234321234321234e-24, "1.23432e-24" },
2695 { 1.234321234321234e-23, "1.23432e-23" },
2696 { 1.234321234321234e-22, "1.23432e-22" },
2697 { 1.234321234321234e-21, "1.23432e-21" },
2698 { 1.234321234321234e-20, "1.23432e-20" },
2699 { 1.234321234321234e-19, "1.23432e-19" },
2700 { 1.234321234321234e-18, "1.23432e-18" },
2701 { 1.234321234321234e-17, "1.23432e-17" },
2702 { 1.234321234321234e-16, "1.23432e-16" },
2703 { 1.234321234321234e-15, "1.23432e-15" },
2704 { 1.234321234321234e-14, "1.23432e-14" },
2705 { 1.234321234321234e-13, "1.23432e-13" },
2706 { 1.234321234321234e-12, "1.23432e-12" },
2707 { 1.234321234321234e-11, "1.23432e-11" },
2708 { 1.234321234321234e-10, "1.23432e-10" },
2709 { 1.234321234321234e-9, "1.23432e-09" },
2710 { 1.234321234321234e-8, "1.23432e-08" },
2711 { 1.234321234321234e-7, "1.23432e-07" },
2712 { 1.234321234321234e-6, "1.23432e-06" },
2713 { 1.234321234321234e-5, "1.23432e-05" },
2714 { 1.234321234321234e-4, "0.000123432" },
2715 { 1.234321234321234e-3, "0.00123432" },
2716 { 1.234321234321234e-2, "0.0123432" },
2717 { 1.234321234321234e-1, "0.123432" },
2718 { 1.234321234321234, "1.23432" },
2719 { 1.234321234321234e1, "12.3432" },
2720 { 1.234321234321234e2, "123.432" },
2721 { 1.234321234321234e3, "1234.32" },
2722 { 1.234321234321234e4, "12343.2" },
2723 { 1.234321234321234e5, "123432" },
2724 { 1.234321234321234e6, "1.23432e+06" },
2725 { 1.234321234321234e7, "1.23432e+07" },
2726 { 1.234321234321234e8, "1.23432e+08" },
2727 { 1.234321234321234e9, "1.23432e+09" },
2728 { 1.234321234321234e10, "1.23432e+10" },
2729 { 1.234321234321234e11, "1.23432e+11" },
2730 { 1.234321234321234e12, "1.23432e+12" },
2731 { 1.234321234321234e13, "1.23432e+13" },
2732 { 1.234321234321234e14, "1.23432e+14" },
2733 { 1.234321234321234e15, "1.23432e+15" },
2734 { 1.234321234321234e16, "1.23432e+16" },
2735 { 1.234321234321234e17, "1.23432e+17" },
2736 { 1.234321234321234e18, "1.23432e+18" },
2737 { 1.234321234321234e19, "1.23432e+19" },
2738 { 1.234321234321234e20, "1.23432e+20" },
2739 { 1.234321234321234e21, "1.23432e+21" },
2740 { 1.234321234321234e22, "1.23432e+22" },
2741 { 1.234321234321234e23, "1.23432e+23" },
2742 { 1.234321234321234e24, "1.23432e+24" },
2743 { 1.234321234321234e25, "1.23432e+25" },
2744 { 1.234321234321234e26, "1.23432e+26" },
2745 { 1.234321234321234e27, "1.23432e+27" },
2746 { 1.234321234321234e28, "1.23432e+28" },
2747 { 1.234321234321234e29, "1.23432e+29" },
2748 { 1.234321234321234e30, "1.23432e+30" },
2749 { 1.234321234321234e31, "1.23432e+31" },
2750 { 1.234321234321234e32, "1.23432e+32" },
2751 { 1.234321234321234e33, "1.23432e+33" },
2752 { 1.234321234321234e34, "1.23432e+34" },
2753 { 1.234321234321234e35, "1.23432e+35" },
2754 { 1.234321234321234e36, "1.23432e+36" }
2757 for (k = 0; k < SIZEOF (data); k++)
2761 my_asprintf (&result, "%g", data[k].value);
2762 const char *expected = data[k].string;
2763 ASSERT (result != NULL);
2764 ASSERT (strcmp (result, expected) == 0
2765 /* Some implementations produce exponents with 3 digits. */
2766 || (expected[strlen (expected) - 4] == 'e'
2767 && strlen (result) == strlen (expected) + 1
2768 && memcmp (result, expected, strlen (expected) - 2) == 0
2769 && result[strlen (expected) - 2] == '0'
2770 && strcmp (result + strlen (expected) - 1,
2771 expected + strlen (expected) - 2)
2773 ASSERT (retval == strlen (result));
2778 { /* A negative number. */
2781 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2782 ASSERT (result != NULL);
2783 ASSERT (strcmp (result, "-0.03125 33") == 0);
2784 ASSERT (retval == strlen (result));
2788 { /* Positive zero. */
2791 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2792 ASSERT (result != NULL);
2793 ASSERT (strcmp (result, "0 33") == 0);
2794 ASSERT (retval == strlen (result));
2798 { /* Negative zero. */
2801 my_asprintf (&result, "%g %d", -zerod, 33, 44, 55);
2802 ASSERT (result != NULL);
2803 if (have_minus_zero ())
2804 ASSERT (strcmp (result, "-0 33") == 0);
2805 ASSERT (retval == strlen (result));
2809 { /* Positive infinity. */
2812 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2813 ASSERT (result != NULL);
2814 ASSERT (strcmp (result, "inf 33") == 0
2815 || strcmp (result, "infinity 33") == 0);
2816 ASSERT (retval == strlen (result));
2820 { /* Negative infinity. */
2823 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2824 ASSERT (result != NULL);
2825 ASSERT (strcmp (result, "-inf 33") == 0
2826 || strcmp (result, "-infinity 33") == 0);
2827 ASSERT (retval == strlen (result));
2834 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2835 ASSERT (result != NULL);
2836 ASSERT (strlen (result) >= 3 + 3
2837 && strisnan (result, 0, strlen (result) - 3, 0)
2838 && strcmp (result + strlen (result) - 3, " 33") == 0);
2839 ASSERT (retval == strlen (result));
2846 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2847 ASSERT (result != NULL);
2848 ASSERT (strcmp (result, " 1.75 33") == 0);
2849 ASSERT (retval == strlen (result));
2856 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2857 ASSERT (result != NULL);
2858 ASSERT (strcmp (result, "1.75 33") == 0);
2859 ASSERT (retval == strlen (result));
2863 { /* FLAG_SHOWSIGN. */
2866 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2867 ASSERT (result != NULL);
2868 ASSERT (strcmp (result, "+1.75 33") == 0);
2869 ASSERT (retval == strlen (result));
2876 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2877 ASSERT (result != NULL);
2878 ASSERT (strcmp (result, " 1.75 33") == 0);
2879 ASSERT (retval == strlen (result));
2886 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2887 ASSERT (result != NULL);
2888 ASSERT (strcmp (result, "1.75000 33") == 0);
2889 ASSERT (retval == strlen (result));
2896 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2897 ASSERT (result != NULL);
2898 ASSERT (strcmp (result, "2. 33") == 0);
2899 ASSERT (retval == strlen (result));
2906 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2907 ASSERT (result != NULL);
2908 ASSERT (strcmp (result, "1.e+01 33") == 0
2909 || strcmp (result, "1.e+001 33") == 0);
2910 ASSERT (retval == strlen (result));
2914 { /* FLAG_ZERO with finite number. */
2917 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2918 ASSERT (result != NULL);
2919 ASSERT (strcmp (result, "0000001234 33") == 0);
2920 ASSERT (retval == strlen (result));
2924 { /* FLAG_ZERO with infinite number. */
2927 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2928 ASSERT (result != NULL);
2929 ASSERT (strcmp (result, " -inf 33") == 0
2930 || strcmp (result, " -infinity 33") == 0);
2931 ASSERT (retval == strlen (result));
2935 { /* FLAG_ZERO with NaN. */
2938 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2939 ASSERT (result != NULL);
2940 ASSERT (strlen (result) == 50 + 3
2941 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2942 && strcmp (result + strlen (result) - 3, " 33") == 0);
2943 ASSERT (retval == strlen (result));
2950 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2951 ASSERT (result != NULL);
2952 ASSERT (strcmp (result, "1e+03 33") == 0
2953 || strcmp (result, "1e+003 33") == 0);
2954 ASSERT (retval == strlen (result));
2958 { /* Precision with no rounding. */
2961 my_asprintf (&result, "%.5g %d", 999.951, 33, 44, 55);
2962 ASSERT (result != NULL);
2963 ASSERT (strcmp (result, "999.95 33") == 0);
2964 ASSERT (retval == strlen (result));
2968 { /* Precision with rounding. */
2971 my_asprintf (&result, "%.5g %d", 999.996, 33, 44, 55);
2972 ASSERT (result != NULL);
2973 ASSERT (strcmp (result, "1000 33") == 0);
2974 ASSERT (retval == strlen (result));
2978 { /* A positive number. */
2981 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2982 ASSERT (result != NULL);
2983 ASSERT (strcmp (result, "12.75 33") == 0);
2984 ASSERT (retval == strlen (result));
2988 { /* A larger positive number. */
2991 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2992 ASSERT (result != NULL);
2993 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2994 || strcmp (result, "1.23457e+006 33") == 0);
2995 ASSERT (retval == strlen (result));
2999 { /* Small and large positive numbers. */
3000 static struct { long double value; const char *string; } data[] =
3002 { 1.234321234321234e-37L, "1.23432e-37" },
3003 { 1.234321234321234e-36L, "1.23432e-36" },
3004 { 1.234321234321234e-35L, "1.23432e-35" },
3005 { 1.234321234321234e-34L, "1.23432e-34" },
3006 { 1.234321234321234e-33L, "1.23432e-33" },
3007 { 1.234321234321234e-32L, "1.23432e-32" },
3008 { 1.234321234321234e-31L, "1.23432e-31" },
3009 { 1.234321234321234e-30L, "1.23432e-30" },
3010 { 1.234321234321234e-29L, "1.23432e-29" },
3011 { 1.234321234321234e-28L, "1.23432e-28" },
3012 { 1.234321234321234e-27L, "1.23432e-27" },
3013 { 1.234321234321234e-26L, "1.23432e-26" },
3014 { 1.234321234321234e-25L, "1.23432e-25" },
3015 { 1.234321234321234e-24L, "1.23432e-24" },
3016 { 1.234321234321234e-23L, "1.23432e-23" },
3017 { 1.234321234321234e-22L, "1.23432e-22" },
3018 { 1.234321234321234e-21L, "1.23432e-21" },
3019 { 1.234321234321234e-20L, "1.23432e-20" },
3020 { 1.234321234321234e-19L, "1.23432e-19" },
3021 { 1.234321234321234e-18L, "1.23432e-18" },
3022 { 1.234321234321234e-17L, "1.23432e-17" },
3023 { 1.234321234321234e-16L, "1.23432e-16" },
3024 { 1.234321234321234e-15L, "1.23432e-15" },
3025 { 1.234321234321234e-14L, "1.23432e-14" },
3026 { 1.234321234321234e-13L, "1.23432e-13" },
3027 { 1.234321234321234e-12L, "1.23432e-12" },
3028 { 1.234321234321234e-11L, "1.23432e-11" },
3029 { 1.234321234321234e-10L, "1.23432e-10" },
3030 { 1.234321234321234e-9L, "1.23432e-09" },
3031 { 1.234321234321234e-8L, "1.23432e-08" },
3032 { 1.234321234321234e-7L, "1.23432e-07" },
3033 { 1.234321234321234e-6L, "1.23432e-06" },
3034 { 1.234321234321234e-5L, "1.23432e-05" },
3035 { 1.234321234321234e-4L, "0.000123432" },
3036 { 1.234321234321234e-3L, "0.00123432" },
3037 { 1.234321234321234e-2L, "0.0123432" },
3038 { 1.234321234321234e-1L, "0.123432" },
3039 { 1.234321234321234L, "1.23432" },
3040 { 1.234321234321234e1L, "12.3432" },
3041 { 1.234321234321234e2L, "123.432" },
3042 { 1.234321234321234e3L, "1234.32" },
3043 { 1.234321234321234e4L, "12343.2" },
3044 { 1.234321234321234e5L, "123432" },
3045 { 1.234321234321234e6L, "1.23432e+06" },
3046 { 1.234321234321234e7L, "1.23432e+07" },
3047 { 1.234321234321234e8L, "1.23432e+08" },
3048 { 1.234321234321234e9L, "1.23432e+09" },
3049 { 1.234321234321234e10L, "1.23432e+10" },
3050 { 1.234321234321234e11L, "1.23432e+11" },
3051 { 1.234321234321234e12L, "1.23432e+12" },
3052 { 1.234321234321234e13L, "1.23432e+13" },
3053 { 1.234321234321234e14L, "1.23432e+14" },
3054 { 1.234321234321234e15L, "1.23432e+15" },
3055 { 1.234321234321234e16L, "1.23432e+16" },
3056 { 1.234321234321234e17L, "1.23432e+17" },
3057 { 1.234321234321234e18L, "1.23432e+18" },
3058 { 1.234321234321234e19L, "1.23432e+19" },
3059 { 1.234321234321234e20L, "1.23432e+20" },
3060 { 1.234321234321234e21L, "1.23432e+21" },
3061 { 1.234321234321234e22L, "1.23432e+22" },
3062 { 1.234321234321234e23L, "1.23432e+23" },
3063 { 1.234321234321234e24L, "1.23432e+24" },
3064 { 1.234321234321234e25L, "1.23432e+25" },
3065 { 1.234321234321234e26L, "1.23432e+26" },
3066 { 1.234321234321234e27L, "1.23432e+27" },
3067 { 1.234321234321234e28L, "1.23432e+28" },
3068 { 1.234321234321234e29L, "1.23432e+29" },
3069 { 1.234321234321234e30L, "1.23432e+30" },
3070 { 1.234321234321234e31L, "1.23432e+31" },
3071 { 1.234321234321234e32L, "1.23432e+32" },
3072 { 1.234321234321234e33L, "1.23432e+33" },
3073 { 1.234321234321234e34L, "1.23432e+34" },
3074 { 1.234321234321234e35L, "1.23432e+35" },
3075 { 1.234321234321234e36L, "1.23432e+36" }
3078 for (k = 0; k < SIZEOF (data); k++)
3082 my_asprintf (&result, "%Lg", data[k].value);
3083 const char *expected = data[k].string;
3084 ASSERT (result != NULL);
3085 ASSERT (strcmp (result, expected) == 0
3086 /* Some implementations produce exponents with 3 digits. */
3087 || (expected[strlen (expected) - 4] == 'e'
3088 && strlen (result) == strlen (expected) + 1
3089 && memcmp (result, expected, strlen (expected) - 2) == 0
3090 && result[strlen (expected) - 2] == '0'
3091 && strcmp (result + strlen (expected) - 1,
3092 expected + strlen (expected) - 2)
3094 ASSERT (retval == strlen (result));
3099 { /* A negative number. */
3102 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
3103 ASSERT (result != NULL);
3104 ASSERT (strcmp (result, "-0.03125 33") == 0);
3105 ASSERT (retval == strlen (result));
3109 { /* Positive zero. */
3112 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
3113 ASSERT (result != NULL);
3114 ASSERT (strcmp (result, "0 33") == 0);
3115 ASSERT (retval == strlen (result));
3119 { /* Negative zero. */
3122 my_asprintf (&result, "%Lg %d", minus_zerol, 33, 44, 55);
3123 ASSERT (result != NULL);
3124 if (have_minus_zero ())
3125 ASSERT (strcmp (result, "-0 33") == 0);
3126 ASSERT (retval == strlen (result));
3130 { /* Positive infinity. */
3133 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3134 ASSERT (result != NULL);
3135 ASSERT (strcmp (result, "inf 33") == 0
3136 || strcmp (result, "infinity 33") == 0);
3137 ASSERT (retval == strlen (result));
3141 { /* Negative infinity. */
3144 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3145 ASSERT (result != NULL);
3146 ASSERT (strcmp (result, "-inf 33") == 0
3147 || strcmp (result, "-infinity 33") == 0);
3148 ASSERT (retval == strlen (result));
3155 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
3156 ASSERT (result != NULL);
3157 ASSERT (strlen (result) >= 3 + 3
3158 && strisnan (result, 0, strlen (result) - 3, 0)
3159 && strcmp (result + strlen (result) - 3, " 33") == 0);
3160 ASSERT (retval == strlen (result));
3163 #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_))
3165 static union { unsigned int word[4]; long double value; } x =
3166 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3169 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3170 ASSERT (result != NULL);
3171 ASSERT (strlen (result) >= 3 + 3
3172 && strisnan (result, 0, strlen (result) - 3, 0)
3173 && strcmp (result + strlen (result) - 3, " 33") == 0);
3174 ASSERT (retval == strlen (result));
3178 /* Signalling NaN. */
3179 static union { unsigned int word[4]; long double value; } x =
3180 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3183 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3184 ASSERT (result != NULL);
3185 ASSERT (strlen (result) >= 3 + 3
3186 && strisnan (result, 0, strlen (result) - 3, 0)
3187 && strcmp (result + strlen (result) - 3, " 33") == 0);
3188 ASSERT (retval == strlen (result));
3191 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3192 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3193 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3194 Application Architecture.
3195 Table 5-2 "Floating-Point Register Encodings"
3196 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3199 static union { unsigned int word[4]; long double value; } x =
3200 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3203 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3204 ASSERT (result != NULL);
3205 ASSERT (strlen (result) >= 3 + 3
3206 && strisnan (result, 0, strlen (result) - 3, 0)
3207 && strcmp (result + strlen (result) - 3, " 33") == 0);
3208 ASSERT (retval == strlen (result));
3211 { /* Pseudo-Infinity. */
3212 static union { unsigned int word[4]; long double value; } x =
3213 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3216 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3217 ASSERT (result != NULL);
3218 ASSERT (strlen (result) >= 3 + 3
3219 && strisnan (result, 0, strlen (result) - 3, 0)
3220 && strcmp (result + strlen (result) - 3, " 33") == 0);
3221 ASSERT (retval == strlen (result));
3224 { /* Pseudo-Zero. */
3225 static union { unsigned int word[4]; long double value; } x =
3226 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3229 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3230 ASSERT (result != NULL);
3231 ASSERT (strlen (result) >= 3 + 3
3232 && strisnan (result, 0, strlen (result) - 3, 0)
3233 && strcmp (result + strlen (result) - 3, " 33") == 0);
3234 ASSERT (retval == strlen (result));
3237 { /* Unnormalized number. */
3238 static union { unsigned int word[4]; long double value; } x =
3239 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3242 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3243 ASSERT (result != NULL);
3244 ASSERT (strlen (result) >= 3 + 3
3245 && strisnan (result, 0, strlen (result) - 3, 0)
3246 && strcmp (result + strlen (result) - 3, " 33") == 0);
3247 ASSERT (retval == strlen (result));
3250 { /* Pseudo-Denormal. */
3251 static union { unsigned int word[4]; long double value; } x =
3252 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3255 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3256 ASSERT (result != NULL);
3257 ASSERT (strlen (result) >= 3 + 3
3258 && strisnan (result, 0, strlen (result) - 3, 0)
3259 && strcmp (result + strlen (result) - 3, " 33") == 0);
3260 ASSERT (retval == strlen (result));
3268 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3269 ASSERT (result != NULL);
3270 ASSERT (strcmp (result, " 1.75 33") == 0);
3271 ASSERT (retval == strlen (result));
3278 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3279 ASSERT (result != NULL);
3280 ASSERT (strcmp (result, "1.75 33") == 0);
3281 ASSERT (retval == strlen (result));
3285 { /* FLAG_SHOWSIGN. */
3288 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3289 ASSERT (result != NULL);
3290 ASSERT (strcmp (result, "+1.75 33") == 0);
3291 ASSERT (retval == strlen (result));
3298 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3299 ASSERT (result != NULL);
3300 ASSERT (strcmp (result, " 1.75 33") == 0);
3301 ASSERT (retval == strlen (result));
3308 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3309 ASSERT (result != NULL);
3310 ASSERT (strcmp (result, "1.75000 33") == 0);
3311 ASSERT (retval == strlen (result));
3318 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3319 ASSERT (result != NULL);
3320 ASSERT (strcmp (result, "2. 33") == 0);
3321 ASSERT (retval == strlen (result));
3328 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3329 ASSERT (result != NULL);
3330 ASSERT (strcmp (result, "1.e+01 33") == 0
3331 || strcmp (result, "1.e+001 33") == 0);
3332 ASSERT (retval == strlen (result));
3336 { /* FLAG_ZERO with finite number. */
3339 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3340 ASSERT (result != NULL);
3341 ASSERT (strcmp (result, "0000001234 33") == 0);
3342 ASSERT (retval == strlen (result));
3346 { /* FLAG_ZERO with infinite number. */
3349 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3350 ASSERT (result != NULL);
3351 ASSERT (strcmp (result, " -inf 33") == 0
3352 || strcmp (result, " -infinity 33") == 0);
3353 ASSERT (retval == strlen (result));
3357 { /* FLAG_ZERO with NaN. */
3360 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3361 ASSERT (result != NULL);
3362 ASSERT (strlen (result) == 50 + 3
3363 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3364 && strcmp (result + strlen (result) - 3, " 33") == 0);
3365 ASSERT (retval == strlen (result));
3372 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3373 ASSERT (result != NULL);
3374 ASSERT (strcmp (result, "1e+03 33") == 0
3375 || strcmp (result, "1e+003 33") == 0);
3376 ASSERT (retval == strlen (result));
3380 { /* Precision with no rounding. */
3383 my_asprintf (&result, "%.5Lg %d", 999.951L, 33, 44, 55);
3384 ASSERT (result != NULL);
3385 ASSERT (strcmp (result, "999.95 33") == 0);
3386 ASSERT (retval == strlen (result));
3390 { /* Precision with rounding. */
3393 my_asprintf (&result, "%.5Lg %d", 999.996L, 33, 44, 55);
3394 ASSERT (result != NULL);
3395 ASSERT (strcmp (result, "1000 33") == 0);
3396 ASSERT (retval == strlen (result));
3400 /* Test the support of the %n format directive. */
3406 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3407 ASSERT (result != NULL);
3408 ASSERT (strcmp (result, "123 ") == 0);
3409 ASSERT (retval == strlen (result));
3410 ASSERT (count == 4);
3414 /* Test the support of the POSIX/XSI format strings with positions. */
3419 my_asprintf (&result, "%2$d %1$d", 33, 55);
3420 ASSERT (result != NULL);
3421 ASSERT (strcmp (result, "55 33") == 0);
3422 ASSERT (retval == strlen (result));
3426 /* Test the support of the grouping flag. */
3431 my_asprintf (&result, "%'d %d", 1234567, 99);
3432 ASSERT (result != NULL);
3433 ASSERT (result[strlen (result) - 1] == '9');
3434 ASSERT (retval == strlen (result));
3438 /* Test the support of the left-adjust flag. */
3443 my_asprintf (&result, "a%*sc", -3, "b");
3444 ASSERT (result != NULL);
3445 ASSERT (strcmp (result, "ab c") == 0);
3446 ASSERT (retval == strlen (result));
3453 my_asprintf (&result, "a%-*sc", 3, "b");
3454 ASSERT (result != NULL);
3455 ASSERT (strcmp (result, "ab c") == 0);
3456 ASSERT (retval == strlen (result));
3463 my_asprintf (&result, "a%-*sc", -3, "b");
3464 ASSERT (result != NULL);
3465 ASSERT (strcmp (result, "ab c") == 0);
3466 ASSERT (retval == strlen (result));
3470 /* Test the support of large precision. */
3475 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3477 ASSERT (result != NULL);
3478 for (i = 0; i < 4000 - 7; i++)
3479 ASSERT (result[i] == '0');
3480 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3481 ASSERT (retval == strlen (result));
3488 my_asprintf (&result, "%.*d %d", 4000, 1234567, 99);
3490 ASSERT (result != NULL);
3491 for (i = 0; i < 4000 - 7; i++)
3492 ASSERT (result[i] == '0');
3493 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3494 ASSERT (retval == strlen (result));
3501 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3503 ASSERT (result != NULL);
3504 ASSERT (result[0] == '-');
3505 for (i = 0; i < 4000 - 7; i++)
3506 ASSERT (result[1 + i] == '0');
3507 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3508 ASSERT (retval == strlen (result));
3515 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3517 ASSERT (result != NULL);
3518 for (i = 0; i < 4000 - 7; i++)
3519 ASSERT (result[i] == '0');
3520 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3521 ASSERT (retval == strlen (result));
3528 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3530 ASSERT (result != NULL);
3531 for (i = 0; i < 4000 - 7; i++)
3532 ASSERT (result[i] == '0');
3533 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3534 ASSERT (retval == strlen (result));
3541 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3543 ASSERT (result != NULL);
3544 for (i = 0; i < 4000 - 6; i++)
3545 ASSERT (result[i] == '0');
3546 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3547 ASSERT (retval == strlen (result));
3554 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3556 ASSERT (result != NULL);
3557 ASSERT (result[0] == '0');
3558 ASSERT (result[1] == 'x');
3559 for (i = 0; i < 4000 - 6; i++)
3560 ASSERT (result[2 + i] == '0');
3561 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3562 ASSERT (retval == strlen (result));
3572 for (i = 0; i < sizeof (input) - 1; i++)
3573 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3575 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3576 ASSERT (result != NULL);
3577 ASSERT (memcmp (result, input, 4000) == 0);
3578 ASSERT (strcmp (result + 4000, " 99") == 0);
3579 ASSERT (retval == strlen (result));
3583 /* Test the support of the %s format directive. */
3585 /* To verify that these tests succeed, it is necessary to run them under
3586 a tool that checks against invalid memory accesses, such as ElectricFence
3587 or "valgrind --tool=memcheck". */
3591 for (i = 1; i <= 8; i++)
3597 block = (char *) malloc (i);
3598 memcpy (block, "abcdefgh", i);
3599 retval = my_asprintf (&result, "%.*s", (int) i, block);
3600 ASSERT (result != NULL);
3601 ASSERT (memcmp (result, block, i) == 0);
3602 ASSERT (result[i] == '\0');
3603 ASSERT (retval == strlen (result));
3612 for (i = 1; i <= 8; i++)
3619 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3620 for (j = 0; j < i; j++)
3621 block[j] = "abcdefgh"[j];
3622 retval = my_asprintf (&result, "%.*ls", (int) i, block);
3623 ASSERT (result != NULL);
3624 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3625 ASSERT (result[i] == '\0');
3626 ASSERT (retval == strlen (result));
3635 my_asprintf (char **result, const char *format, ...)
3640 va_start (args, format);
3641 ret = vasprintf (result, format, args);
3649 test_function (my_asprintf);
3655 test_function (asprintf);
3659 main (int argc, char *argv[])