1 /* Test of POSIX compatible vsnprintf() and snprintf() functions.
2 Copyright (C) 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
20 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
25 static double zero = 0.0;
29 # define NaN() (0.0 / 0.0)
32 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
36 static double plus_zero = 0.0;
37 static double minus_zero = -0.0;
38 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
42 strmatch (const char *pattern, const char *string)
44 if (strlen (pattern) != strlen (string))
46 for (; *pattern != '\0'; pattern++, string++)
47 if (*pattern != '*' && *string != *pattern)
53 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
58 /* Test return value convention. */
60 for (size = 0; size <= 8; size++)
64 memcpy (buf, "DEADBEEF", 8);
65 retval = my_snprintf (buf, size, "%d", 12345);
71 ASSERT (memcmp (buf, "12345", size - 1) == 0);
72 ASSERT (buf[size - 1] == '\0');
74 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
78 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
82 /* Test support of size specifiers as in C99. */
87 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
88 ASSERT (strcmp (result, "12345671 33") == 0);
89 ASSERT (retval == strlen (result));
95 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
96 ASSERT (strcmp (result, "12345672 33") == 0);
97 ASSERT (retval == strlen (result));
103 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
104 ASSERT (strcmp (result, "12345673 33") == 0);
105 ASSERT (retval == strlen (result));
111 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
112 ASSERT (strcmp (result, "1.5 33") == 0);
113 ASSERT (retval == strlen (result));
116 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
117 output of floating-point numbers. */
119 { /* A positive number. */
122 my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
123 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
124 || strcmp (result, "0x3.244p+0 33") == 0
125 || strcmp (result, "0x6.488p-1 33") == 0
126 || strcmp (result, "0xc.91p-2 33") == 0);
127 ASSERT (retval == strlen (result));
130 { /* A negative number. */
133 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
134 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
135 || strcmp (result, "-0X3.244P+0 33") == 0
136 || strcmp (result, "-0X6.488P-1 33") == 0
137 || strcmp (result, "-0XC.91P-2 33") == 0);
138 ASSERT (retval == strlen (result));
141 { /* Positive zero. */
144 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
145 ASSERT (strcmp (result, "0x0p+0 33") == 0);
146 ASSERT (retval == strlen (result));
149 { /* Negative zero. */
152 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
153 if (have_minus_zero ())
154 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
155 ASSERT (retval == strlen (result));
158 { /* Positive infinity. */
161 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
162 ASSERT (strcmp (result, "inf 33") == 0);
163 ASSERT (retval == strlen (result));
166 { /* Negative infinity. */
169 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
170 ASSERT (strcmp (result, "-inf 33") == 0);
171 ASSERT (retval == strlen (result));
177 my_snprintf (result, sizeof (result), "%a %d", NaN (), 33, 44, 55);
178 ASSERT (strlen (result) >= 3 + 3
179 && (memcmp (result, "nan", 3) == 0
180 || memcmp (result, "-nan", 4) == 0)
181 && strcmp (result + strlen (result) - 3, " 33") == 0);
182 ASSERT (retval == strlen (result));
185 { /* Rounding near the decimal point. */
188 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
189 ASSERT (strcmp (result, "0x2p+0 33") == 0
190 || strcmp (result, "0x3p-1 33") == 0
191 || strcmp (result, "0x6p-2 33") == 0
192 || strcmp (result, "0xcp-3 33") == 0);
193 ASSERT (retval == strlen (result));
196 { /* Rounding with precision 0. */
199 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
200 ASSERT (strcmp (result, "0x2p+0 33") == 0
201 || strcmp (result, "0x3p-1 33") == 0
202 || strcmp (result, "0x6p-2 33") == 0
203 || strcmp (result, "0xcp-3 33") == 0);
204 ASSERT (retval == strlen (result));
207 { /* Rounding with precision 1. */
210 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
211 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
212 || strcmp (result, "0x3.0p-1 33") == 0
213 || strcmp (result, "0x6.1p-2 33") == 0
214 || strcmp (result, "0xc.1p-3 33") == 0);
215 ASSERT (retval == strlen (result));
218 { /* Rounding with precision 2. */
221 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
222 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
223 || strcmp (result, "0x3.05p-1 33") == 0
224 || strcmp (result, "0x6.0ap-2 33") == 0
225 || strcmp (result, "0xc.14p-3 33") == 0);
226 ASSERT (retval == strlen (result));
229 { /* Rounding with precision 3. */
232 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
233 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
234 || strcmp (result, "0x3.052p-1 33") == 0
235 || strcmp (result, "0x6.0a4p-2 33") == 0
236 || strcmp (result, "0xc.148p-3 33") == 0);
237 ASSERT (retval == strlen (result));
240 { /* Rounding can turn a ...FFF into a ...000. */
243 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
244 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
245 || strcmp (result, "0x3.000p-1 33") == 0
246 || strcmp (result, "0x6.000p-2 33") == 0
247 || strcmp (result, "0xc.000p-3 33") == 0);
248 ASSERT (retval == strlen (result));
251 { /* Rounding can turn a ...FFF into a ...000.
252 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
255 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
256 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
257 || strcmp (result, "0x2.0p+0 33") == 0
258 || strcmp (result, "0x4.0p-1 33") == 0
259 || strcmp (result, "0x8.0p-2 33") == 0);
260 ASSERT (retval == strlen (result));
266 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
267 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
268 || strcmp (result, " 0x3.8p-1 33") == 0
269 || strcmp (result, " 0x7p-2 33") == 0
270 || strcmp (result, " 0xep-3 33") == 0);
271 ASSERT (retval == strlen (result));
274 { /* Small precision. */
277 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
278 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
279 || strcmp (result, "0x3.8000000000p-1 33") == 0
280 || strcmp (result, "0x7.0000000000p-2 33") == 0
281 || strcmp (result, "0xe.0000000000p-3 33") == 0);
282 ASSERT (retval == strlen (result));
285 { /* Large precision. */
288 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
289 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
290 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
291 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
292 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
293 ASSERT (retval == strlen (result));
299 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
301 || strcmp (result, "0x3.8p-1 33") == 0
302 || strcmp (result, "0x7p-2 33") == 0
303 || strcmp (result, "0xep-3 33") == 0);
304 ASSERT (retval == strlen (result));
307 { /* FLAG_SHOWSIGN. */
310 my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
311 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
312 || strcmp (result, "+0x3.8p-1 33") == 0
313 || strcmp (result, "+0x7p-2 33") == 0
314 || strcmp (result, "+0xep-3 33") == 0);
315 ASSERT (retval == strlen (result));
321 my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
322 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
323 || strcmp (result, " 0x3.8p-1 33") == 0
324 || strcmp (result, " 0x7p-2 33") == 0
325 || strcmp (result, " 0xep-3 33") == 0);
326 ASSERT (retval == strlen (result));
332 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
333 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
334 || strcmp (result, "0x3.8p-1 33") == 0
335 || strcmp (result, "0x7.p-2 33") == 0
336 || strcmp (result, "0xe.p-3 33") == 0);
337 ASSERT (retval == strlen (result));
343 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
344 ASSERT (strcmp (result, "0x1.p+0 33") == 0
345 || strcmp (result, "0x2.p-1 33") == 0
346 || strcmp (result, "0x4.p-2 33") == 0
347 || strcmp (result, "0x8.p-3 33") == 0);
348 ASSERT (retval == strlen (result));
351 { /* FLAG_ZERO with finite number. */
354 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
355 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
356 || strcmp (result, "0x003.8p-1 33") == 0
357 || strcmp (result, "0x00007p-2 33") == 0
358 || strcmp (result, "0x0000ep-3 33") == 0);
359 ASSERT (retval == strlen (result));
362 { /* FLAG_ZERO with infinite number. */
365 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
366 /* "0000000inf 33" is not a valid result; see
367 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
368 ASSERT (strcmp (result, " inf 33") == 0);
369 ASSERT (retval == strlen (result));
372 { /* FLAG_ZERO with NaN. */
375 my_snprintf (result, sizeof (result), "%020a %d", NaN (), 33, 44, 55);
376 /* "0000000nan 33" is not a valid result; see
377 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
378 ASSERT (strlen (result) == 20 + 3
379 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
380 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
381 && strcmp (result + strlen (result) - 3, " 33") == 0);
382 ASSERT (retval == strlen (result));
385 { /* A positive number. */
388 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
389 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
390 || strcmp (result, "0x3.244p+0 33") == 0
391 || strcmp (result, "0x6.488p-1 33") == 0
392 || strcmp (result, "0xc.91p-2 33") == 0);
393 ASSERT (retval == strlen (result));
396 { /* A negative number. */
399 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
400 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
401 || strcmp (result, "-0X3.244P+0 33") == 0
402 || strcmp (result, "-0X6.488P-1 33") == 0
403 || strcmp (result, "-0XC.91P-2 33") == 0);
404 ASSERT (retval == strlen (result));
407 { /* Positive zero. */
410 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
411 ASSERT (strcmp (result, "0x0p+0 33") == 0);
412 ASSERT (retval == strlen (result));
415 { /* Negative zero. */
418 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
419 if (have_minus_zero ())
420 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
421 ASSERT (retval == strlen (result));
424 { /* Positive infinity. */
427 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
428 ASSERT (strcmp (result, "inf 33") == 0);
429 ASSERT (retval == strlen (result));
432 { /* Negative infinity. */
435 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
436 ASSERT (strcmp (result, "-inf 33") == 0);
437 ASSERT (retval == strlen (result));
443 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
444 ASSERT (strlen (result) >= 3 + 3
445 && (memcmp (result, "nan", 3) == 0
446 || memcmp (result, "-nan", 4) == 0)
447 && strcmp (result + strlen (result) - 3, " 33") == 0);
448 ASSERT (retval == strlen (result));
451 { /* Rounding near the decimal point. */
454 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
455 ASSERT (strcmp (result, "0x2p+0 33") == 0
456 || strcmp (result, "0x3p-1 33") == 0
457 || strcmp (result, "0x6p-2 33") == 0
458 || strcmp (result, "0xcp-3 33") == 0);
459 ASSERT (retval == strlen (result));
462 { /* Rounding with precision 0. */
465 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
466 ASSERT (strcmp (result, "0x2p+0 33") == 0
467 || strcmp (result, "0x3p-1 33") == 0
468 || strcmp (result, "0x6p-2 33") == 0
469 || strcmp (result, "0xcp-3 33") == 0);
470 ASSERT (retval == strlen (result));
473 { /* Rounding with precision 1. */
476 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
477 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
478 || strcmp (result, "0x3.0p-1 33") == 0
479 || strcmp (result, "0x6.1p-2 33") == 0
480 || strcmp (result, "0xc.1p-3 33") == 0);
481 ASSERT (retval == strlen (result));
484 { /* Rounding with precision 2. */
487 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
488 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
489 || strcmp (result, "0x3.05p-1 33") == 0
490 || strcmp (result, "0x6.0ap-2 33") == 0
491 || strcmp (result, "0xc.14p-3 33") == 0);
492 ASSERT (retval == strlen (result));
495 { /* Rounding with precision 3. */
498 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
499 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
500 || strcmp (result, "0x3.052p-1 33") == 0
501 || strcmp (result, "0x6.0a4p-2 33") == 0
502 || strcmp (result, "0xc.148p-3 33") == 0);
503 ASSERT (retval == strlen (result));
506 { /* Rounding can turn a ...FFF into a ...000. */
509 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
510 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
511 || strcmp (result, "0x3.000p-1 33") == 0
512 || strcmp (result, "0x6.000p-2 33") == 0
513 || strcmp (result, "0xc.000p-3 33") == 0);
514 ASSERT (retval == strlen (result));
517 { /* Rounding can turn a ...FFF into a ...000.
518 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
519 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
522 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
523 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
524 || strcmp (result, "0x2.0p+0 33") == 0
525 || strcmp (result, "0x4.0p-1 33") == 0
526 || strcmp (result, "0x8.0p-2 33") == 0);
527 ASSERT (retval == strlen (result));
533 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
534 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
535 || strcmp (result, " 0x3.8p-1 33") == 0
536 || strcmp (result, " 0x7p-2 33") == 0
537 || strcmp (result, " 0xep-3 33") == 0);
538 ASSERT (retval == strlen (result));
541 { /* Small precision. */
544 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
545 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
546 || strcmp (result, "0x3.8000000000p-1 33") == 0
547 || strcmp (result, "0x7.0000000000p-2 33") == 0
548 || strcmp (result, "0xe.0000000000p-3 33") == 0);
549 ASSERT (retval == strlen (result));
552 { /* Large precision. */
555 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
556 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
557 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
558 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
559 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
560 ASSERT (retval == strlen (result));
566 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
567 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
568 || strcmp (result, "0x3.8p-1 33") == 0
569 || strcmp (result, "0x7p-2 33") == 0
570 || strcmp (result, "0xep-3 33") == 0);
571 ASSERT (retval == strlen (result));
574 { /* FLAG_SHOWSIGN. */
577 my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
578 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
579 || strcmp (result, "+0x3.8p-1 33") == 0
580 || strcmp (result, "+0x7p-2 33") == 0
581 || strcmp (result, "+0xep-3 33") == 0);
582 ASSERT (retval == strlen (result));
588 my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
589 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
590 || strcmp (result, " 0x3.8p-1 33") == 0
591 || strcmp (result, " 0x7p-2 33") == 0
592 || strcmp (result, " 0xep-3 33") == 0);
593 ASSERT (retval == strlen (result));
599 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
600 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
601 || strcmp (result, "0x3.8p-1 33") == 0
602 || strcmp (result, "0x7.p-2 33") == 0
603 || strcmp (result, "0xe.p-3 33") == 0);
604 ASSERT (retval == strlen (result));
610 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
611 ASSERT (strcmp (result, "0x1.p+0 33") == 0
612 || strcmp (result, "0x2.p-1 33") == 0
613 || strcmp (result, "0x4.p-2 33") == 0
614 || strcmp (result, "0x8.p-3 33") == 0);
615 ASSERT (retval == strlen (result));
618 { /* FLAG_ZERO with finite number. */
621 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
622 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
623 || strcmp (result, "0x003.8p-1 33") == 0
624 || strcmp (result, "0x00007p-2 33") == 0
625 || strcmp (result, "0x0000ep-3 33") == 0);
626 ASSERT (retval == strlen (result));
629 { /* FLAG_ZERO with infinite number. */
632 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
633 /* "0000000inf 33" is not a valid result; see
634 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
635 ASSERT (strcmp (result, " inf 33") == 0);
636 ASSERT (retval == strlen (result));
639 { /* FLAG_ZERO with NaN. */
642 my_snprintf (result, sizeof (result), "%020La %d", 0.0L / 0.0L, 33, 44, 55);
643 /* "0000000nan 33" is not a valid result; see
644 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
645 ASSERT (strlen (result) == 20 + 3
646 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
647 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
648 && strcmp (result + strlen (result) - 3, " 33") == 0);
649 ASSERT (retval == strlen (result));
652 /* Test the support of the %f format directive. */
654 { /* A positive number. */
657 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
658 ASSERT (strcmp (result, "12.750000 33") == 0);
659 ASSERT (retval == strlen (result));
662 { /* A larger positive number. */
665 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
666 ASSERT (strcmp (result, "1234567.000000 33") == 0);
667 ASSERT (retval == strlen (result));
670 { /* Small and large positive numbers. */
671 static struct { double value; const char *string; } data[] =
673 { 1.234321234321234e-37, "0.000000" },
674 { 1.234321234321234e-36, "0.000000" },
675 { 1.234321234321234e-35, "0.000000" },
676 { 1.234321234321234e-34, "0.000000" },
677 { 1.234321234321234e-33, "0.000000" },
678 { 1.234321234321234e-32, "0.000000" },
679 { 1.234321234321234e-31, "0.000000" },
680 { 1.234321234321234e-30, "0.000000" },
681 { 1.234321234321234e-29, "0.000000" },
682 { 1.234321234321234e-28, "0.000000" },
683 { 1.234321234321234e-27, "0.000000" },
684 { 1.234321234321234e-26, "0.000000" },
685 { 1.234321234321234e-25, "0.000000" },
686 { 1.234321234321234e-24, "0.000000" },
687 { 1.234321234321234e-23, "0.000000" },
688 { 1.234321234321234e-22, "0.000000" },
689 { 1.234321234321234e-21, "0.000000" },
690 { 1.234321234321234e-20, "0.000000" },
691 { 1.234321234321234e-19, "0.000000" },
692 { 1.234321234321234e-18, "0.000000" },
693 { 1.234321234321234e-17, "0.000000" },
694 { 1.234321234321234e-16, "0.000000" },
695 { 1.234321234321234e-15, "0.000000" },
696 { 1.234321234321234e-14, "0.000000" },
697 { 1.234321234321234e-13, "0.000000" },
698 { 1.234321234321234e-12, "0.000000" },
699 { 1.234321234321234e-11, "0.000000" },
700 { 1.234321234321234e-10, "0.000000" },
701 { 1.234321234321234e-9, "0.000000" },
702 { 1.234321234321234e-8, "0.000000" },
703 { 1.234321234321234e-7, "0.000000" },
704 { 1.234321234321234e-6, "0.000001" },
705 { 1.234321234321234e-5, "0.000012" },
706 { 1.234321234321234e-4, "0.000123" },
707 { 1.234321234321234e-3, "0.001234" },
708 { 1.234321234321234e-2, "0.012343" },
709 { 1.234321234321234e-1, "0.123432" },
710 { 1.234321234321234, "1.234321" },
711 { 1.234321234321234e1, "12.343212" },
712 { 1.234321234321234e2, "123.432123" },
713 { 1.234321234321234e3, "1234.321234" },
714 { 1.234321234321234e4, "12343.212343" },
715 { 1.234321234321234e5, "123432.123432" },
716 { 1.234321234321234e6, "1234321.234321" },
717 { 1.234321234321234e7, "12343212.343212" },
718 { 1.234321234321234e8, "123432123.432123" },
719 { 1.234321234321234e9, "1234321234.321234" },
720 { 1.234321234321234e10, "12343212343.2123**" },
721 { 1.234321234321234e11, "123432123432.123***" },
722 { 1.234321234321234e12, "1234321234321.23****" },
723 { 1.234321234321234e13, "12343212343212.3*****" },
724 { 1.234321234321234e14, "123432123432123.******" },
725 { 1.234321234321234e15, "1234321234321234.000000" },
726 { 1.234321234321234e16, "123432123432123**.000000" },
727 { 1.234321234321234e17, "123432123432123***.000000" },
728 { 1.234321234321234e18, "123432123432123****.000000" },
729 { 1.234321234321234e19, "123432123432123*****.000000" },
730 { 1.234321234321234e20, "123432123432123******.000000" },
731 { 1.234321234321234e21, "123432123432123*******.000000" },
732 { 1.234321234321234e22, "123432123432123********.000000" },
733 { 1.234321234321234e23, "123432123432123*********.000000" },
734 { 1.234321234321234e24, "123432123432123**********.000000" },
735 { 1.234321234321234e25, "123432123432123***********.000000" },
736 { 1.234321234321234e26, "123432123432123************.000000" },
737 { 1.234321234321234e27, "123432123432123*************.000000" },
738 { 1.234321234321234e28, "123432123432123**************.000000" },
739 { 1.234321234321234e29, "123432123432123***************.000000" },
740 { 1.234321234321234e30, "123432123432123****************.000000" },
741 { 1.234321234321234e31, "123432123432123*****************.000000" },
742 { 1.234321234321234e32, "123432123432123******************.000000" },
743 { 1.234321234321234e33, "123432123432123*******************.000000" },
744 { 1.234321234321234e34, "123432123432123********************.000000" },
745 { 1.234321234321234e35, "123432123432123*********************.000000" },
746 { 1.234321234321234e36, "123432123432123**********************.000000" }
749 for (k = 0; k < SIZEOF (data); k++)
753 my_snprintf (result, sizeof (result), "%f", data[k].value);
754 ASSERT (strmatch (data[k].string, result));
755 ASSERT (retval == strlen (result));
759 { /* A negative number. */
762 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
763 ASSERT (strcmp (result, "-0.031250 33") == 0);
764 ASSERT (retval == strlen (result));
767 { /* Positive zero. */
770 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
771 ASSERT (strcmp (result, "0.000000 33") == 0);
772 ASSERT (retval == strlen (result));
775 { /* Negative zero. */
778 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
779 if (have_minus_zero ())
780 ASSERT (strcmp (result, "-0.000000 33") == 0);
781 ASSERT (retval == strlen (result));
784 { /* Positive infinity. */
787 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
788 ASSERT (strcmp (result, "inf 33") == 0
789 || strcmp (result, "infinity 33") == 0);
790 ASSERT (retval == strlen (result));
793 { /* Negative infinity. */
796 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
797 ASSERT (strcmp (result, "-inf 33") == 0
798 || strcmp (result, "-infinity 33") == 0);
799 ASSERT (retval == strlen (result));
805 my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
806 ASSERT (strlen (result) >= 3 + 3
807 && (memcmp (result, "nan", 3) == 0
808 || memcmp (result, "-nan", 4) == 0)
809 && strcmp (result + strlen (result) - 3, " 33") == 0);
810 ASSERT (retval == strlen (result));
816 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
817 ASSERT (result != NULL);
818 ASSERT (strcmp (result, " 1.750000 33") == 0);
819 ASSERT (retval == strlen (result));
825 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
826 ASSERT (result != NULL);
827 ASSERT (strcmp (result, "1.750000 33") == 0);
828 ASSERT (retval == strlen (result));
831 { /* FLAG_SHOWSIGN. */
834 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
835 ASSERT (result != NULL);
836 ASSERT (strcmp (result, "+1.750000 33") == 0);
837 ASSERT (retval == strlen (result));
843 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
844 ASSERT (result != NULL);
845 ASSERT (strcmp (result, " 1.750000 33") == 0);
846 ASSERT (retval == strlen (result));
852 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
853 ASSERT (result != NULL);
854 ASSERT (strcmp (result, "1.750000 33") == 0);
855 ASSERT (retval == strlen (result));
861 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
862 ASSERT (result != NULL);
863 ASSERT (strcmp (result, "2. 33") == 0);
864 ASSERT (retval == strlen (result));
867 { /* FLAG_ZERO with finite number. */
870 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
871 ASSERT (strcmp (result, "00001234.000000 33") == 0);
872 ASSERT (retval == strlen (result));
875 { /* FLAG_ZERO with infinite number. */
878 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
879 ASSERT (strcmp (result, " -inf 33") == 0
880 || strcmp (result, " -infinity 33") == 0);
881 ASSERT (retval == strlen (result));
884 { /* FLAG_ZERO with NaN. */
887 my_snprintf (result, sizeof (result), "%020f %d", NaN (), 33, 44, 55);
888 ASSERT (strlen (result) == 20 + 3
889 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
890 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
891 && strcmp (result + strlen (result) - 3, " 33") == 0);
892 ASSERT (retval == strlen (result));
898 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
899 ASSERT (strcmp (result, "1234 33") == 0);
900 ASSERT (retval == strlen (result));
903 { /* A positive number. */
906 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
907 ASSERT (strcmp (result, "12.750000 33") == 0);
908 ASSERT (retval == strlen (result));
911 { /* A larger positive number. */
914 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
915 ASSERT (strcmp (result, "1234567.000000 33") == 0);
916 ASSERT (retval == strlen (result));
919 { /* Small and large positive numbers. */
920 static struct { long double value; const char *string; } data[] =
922 { 1.234321234321234e-37L, "0.000000" },
923 { 1.234321234321234e-36L, "0.000000" },
924 { 1.234321234321234e-35L, "0.000000" },
925 { 1.234321234321234e-34L, "0.000000" },
926 { 1.234321234321234e-33L, "0.000000" },
927 { 1.234321234321234e-32L, "0.000000" },
928 { 1.234321234321234e-31L, "0.000000" },
929 { 1.234321234321234e-30L, "0.000000" },
930 { 1.234321234321234e-29L, "0.000000" },
931 { 1.234321234321234e-28L, "0.000000" },
932 { 1.234321234321234e-27L, "0.000000" },
933 { 1.234321234321234e-26L, "0.000000" },
934 { 1.234321234321234e-25L, "0.000000" },
935 { 1.234321234321234e-24L, "0.000000" },
936 { 1.234321234321234e-23L, "0.000000" },
937 { 1.234321234321234e-22L, "0.000000" },
938 { 1.234321234321234e-21L, "0.000000" },
939 { 1.234321234321234e-20L, "0.000000" },
940 { 1.234321234321234e-19L, "0.000000" },
941 { 1.234321234321234e-18L, "0.000000" },
942 { 1.234321234321234e-17L, "0.000000" },
943 { 1.234321234321234e-16L, "0.000000" },
944 { 1.234321234321234e-15L, "0.000000" },
945 { 1.234321234321234e-14L, "0.000000" },
946 { 1.234321234321234e-13L, "0.000000" },
947 { 1.234321234321234e-12L, "0.000000" },
948 { 1.234321234321234e-11L, "0.000000" },
949 { 1.234321234321234e-10L, "0.000000" },
950 { 1.234321234321234e-9L, "0.000000" },
951 { 1.234321234321234e-8L, "0.000000" },
952 { 1.234321234321234e-7L, "0.000000" },
953 { 1.234321234321234e-6L, "0.000001" },
954 { 1.234321234321234e-5L, "0.000012" },
955 { 1.234321234321234e-4L, "0.000123" },
956 { 1.234321234321234e-3L, "0.001234" },
957 { 1.234321234321234e-2L, "0.012343" },
958 { 1.234321234321234e-1L, "0.123432" },
959 { 1.234321234321234L, "1.234321" },
960 { 1.234321234321234e1L, "12.343212" },
961 { 1.234321234321234e2L, "123.432123" },
962 { 1.234321234321234e3L, "1234.321234" },
963 { 1.234321234321234e4L, "12343.212343" },
964 { 1.234321234321234e5L, "123432.123432" },
965 { 1.234321234321234e6L, "1234321.234321" },
966 { 1.234321234321234e7L, "12343212.343212" },
967 { 1.234321234321234e8L, "123432123.432123" },
968 { 1.234321234321234e9L, "1234321234.321234" },
969 { 1.234321234321234e10L, "12343212343.2123**" },
970 { 1.234321234321234e11L, "123432123432.123***" },
971 { 1.234321234321234e12L, "1234321234321.23****" },
972 { 1.234321234321234e13L, "12343212343212.3*****" },
973 { 1.234321234321234e14L, "123432123432123.******" },
974 { 1.234321234321234e15L, "1234321234321234.000000" },
975 { 1.234321234321234e16L, "123432123432123**.000000" },
976 { 1.234321234321234e17L, "123432123432123***.000000" },
977 { 1.234321234321234e18L, "123432123432123****.000000" },
978 { 1.234321234321234e19L, "123432123432123*****.000000" },
979 { 1.234321234321234e20L, "123432123432123******.000000" },
980 { 1.234321234321234e21L, "123432123432123*******.000000" },
981 { 1.234321234321234e22L, "123432123432123********.000000" },
982 { 1.234321234321234e23L, "123432123432123*********.000000" },
983 { 1.234321234321234e24L, "123432123432123**********.000000" },
984 { 1.234321234321234e25L, "123432123432123***********.000000" },
985 { 1.234321234321234e26L, "123432123432123************.000000" },
986 { 1.234321234321234e27L, "123432123432123*************.000000" },
987 { 1.234321234321234e28L, "123432123432123**************.000000" },
988 { 1.234321234321234e29L, "123432123432123***************.000000" },
989 { 1.234321234321234e30L, "123432123432123****************.000000" },
990 { 1.234321234321234e31L, "123432123432123*****************.000000" },
991 { 1.234321234321234e32L, "123432123432123******************.000000" },
992 { 1.234321234321234e33L, "123432123432123*******************.000000" },
993 { 1.234321234321234e34L, "123432123432123********************.000000" },
994 { 1.234321234321234e35L, "123432123432123*********************.000000" },
995 { 1.234321234321234e36L, "123432123432123**********************.000000" }
998 for (k = 0; k < SIZEOF (data); k++)
1002 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1003 ASSERT (strmatch (data[k].string, result));
1004 ASSERT (retval == strlen (result));
1008 { /* A negative number. */
1011 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1012 ASSERT (strcmp (result, "-0.031250 33") == 0);
1013 ASSERT (retval == strlen (result));
1016 { /* Positive zero. */
1019 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1020 ASSERT (strcmp (result, "0.000000 33") == 0);
1021 ASSERT (retval == strlen (result));
1024 { /* Negative zero. */
1027 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1028 if (have_minus_zero ())
1029 ASSERT (strcmp (result, "-0.000000 33") == 0);
1030 ASSERT (retval == strlen (result));
1033 { /* Positive infinity. */
1036 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1037 ASSERT (strcmp (result, "inf 33") == 0
1038 || strcmp (result, "infinity 33") == 0);
1039 ASSERT (retval == strlen (result));
1042 { /* Negative infinity. */
1045 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1046 ASSERT (strcmp (result, "-inf 33") == 0
1047 || strcmp (result, "-infinity 33") == 0);
1048 ASSERT (retval == strlen (result));
1052 static long double zero = 0.0L;
1055 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1056 ASSERT (strlen (result) >= 3 + 3
1057 && (memcmp (result, "nan", 3) == 0
1058 || memcmp (result, "-nan", 4) == 0)
1059 && strcmp (result + strlen (result) - 3, " 33") == 0);
1060 ASSERT (retval == strlen (result));
1066 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1067 ASSERT (result != NULL);
1068 ASSERT (strcmp (result, " 1.750000 33") == 0);
1069 ASSERT (retval == strlen (result));
1075 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1076 ASSERT (result != NULL);
1077 ASSERT (strcmp (result, "1.750000 33") == 0);
1078 ASSERT (retval == strlen (result));
1081 { /* FLAG_SHOWSIGN. */
1084 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1085 ASSERT (result != NULL);
1086 ASSERT (strcmp (result, "+1.750000 33") == 0);
1087 ASSERT (retval == strlen (result));
1093 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1094 ASSERT (result != NULL);
1095 ASSERT (strcmp (result, " 1.750000 33") == 0);
1096 ASSERT (retval == strlen (result));
1102 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1103 ASSERT (result != NULL);
1104 ASSERT (strcmp (result, "1.750000 33") == 0);
1105 ASSERT (retval == strlen (result));
1111 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1112 ASSERT (result != NULL);
1113 ASSERT (strcmp (result, "2. 33") == 0);
1114 ASSERT (retval == strlen (result));
1117 { /* FLAG_ZERO with finite number. */
1120 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1121 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1122 ASSERT (retval == strlen (result));
1125 { /* FLAG_ZERO with infinite number. */
1128 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1129 ASSERT (strcmp (result, " -inf 33") == 0
1130 || strcmp (result, " -infinity 33") == 0);
1131 ASSERT (retval == strlen (result));
1134 { /* FLAG_ZERO with NaN. */
1135 static long double zero = 0.0L;
1138 my_snprintf (result, sizeof (result), "%020Lf %d", zero / zero, 33, 44, 55);
1139 ASSERT (strlen (result) == 20 + 3
1140 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
1141 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
1142 && strcmp (result + strlen (result) - 3, " 33") == 0);
1143 ASSERT (retval == strlen (result));
1149 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1150 ASSERT (strcmp (result, "1234 33") == 0);
1151 ASSERT (retval == strlen (result));
1154 /* Test the support of the %F format directive. */
1156 { /* A positive number. */
1159 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1160 ASSERT (strcmp (result, "12.750000 33") == 0);
1161 ASSERT (retval == strlen (result));
1164 { /* A larger positive number. */
1167 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1168 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1169 ASSERT (retval == strlen (result));
1172 { /* A negative number. */
1175 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1176 ASSERT (strcmp (result, "-0.031250 33") == 0);
1177 ASSERT (retval == strlen (result));
1180 { /* Positive zero. */
1183 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1184 ASSERT (strcmp (result, "0.000000 33") == 0);
1185 ASSERT (retval == strlen (result));
1188 { /* Negative zero. */
1191 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1192 if (have_minus_zero ())
1193 ASSERT (strcmp (result, "-0.000000 33") == 0);
1194 ASSERT (retval == strlen (result));
1197 { /* Positive infinity. */
1200 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1201 ASSERT (strcmp (result, "INF 33") == 0
1202 || strcmp (result, "INFINITY 33") == 0);
1203 ASSERT (retval == strlen (result));
1206 { /* Negative infinity. */
1209 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1210 ASSERT (strcmp (result, "-INF 33") == 0
1211 || strcmp (result, "-INFINITY 33") == 0);
1212 ASSERT (retval == strlen (result));
1218 my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1219 ASSERT (strlen (result) >= 3 + 3
1220 && (memcmp (result, "NAN", 3) == 0
1221 || memcmp (result, "-NAN", 4) == 0)
1222 && strcmp (result + strlen (result) - 3, " 33") == 0);
1223 ASSERT (retval == strlen (result));
1229 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1230 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1231 ASSERT (retval == strlen (result));
1234 { /* FLAG_ZERO with infinite number. */
1237 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1238 ASSERT (strcmp (result, " -INF 33") == 0
1239 || strcmp (result, " -INFINITY 33") == 0);
1240 ASSERT (retval == strlen (result));
1246 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1247 ASSERT (strcmp (result, "1234 33") == 0);
1248 ASSERT (retval == strlen (result));
1251 { /* A positive number. */
1254 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1255 ASSERT (strcmp (result, "12.750000 33") == 0);
1256 ASSERT (retval == strlen (result));
1259 { /* A larger positive number. */
1262 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1263 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1264 ASSERT (retval == strlen (result));
1267 { /* A negative number. */
1270 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1271 ASSERT (strcmp (result, "-0.031250 33") == 0);
1272 ASSERT (retval == strlen (result));
1275 { /* Positive zero. */
1278 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1279 ASSERT (strcmp (result, "0.000000 33") == 0);
1280 ASSERT (retval == strlen (result));
1283 { /* Negative zero. */
1286 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1287 if (have_minus_zero ())
1288 ASSERT (strcmp (result, "-0.000000 33") == 0);
1289 ASSERT (retval == strlen (result));
1292 { /* Positive infinity. */
1295 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1296 ASSERT (strcmp (result, "INF 33") == 0
1297 || strcmp (result, "INFINITY 33") == 0);
1298 ASSERT (retval == strlen (result));
1301 { /* Negative infinity. */
1304 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1305 ASSERT (strcmp (result, "-INF 33") == 0
1306 || strcmp (result, "-INFINITY 33") == 0);
1307 ASSERT (retval == strlen (result));
1311 static long double zero = 0.0L;
1314 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1315 ASSERT (strlen (result) >= 3 + 3
1316 && (memcmp (result, "NAN", 3) == 0
1317 || memcmp (result, "-NAN", 4) == 0)
1318 && strcmp (result + strlen (result) - 3, " 33") == 0);
1319 ASSERT (retval == strlen (result));
1325 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1326 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1327 ASSERT (retval == strlen (result));
1330 { /* FLAG_ZERO with infinite number. */
1333 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1334 ASSERT (strcmp (result, " -INF 33") == 0
1335 || strcmp (result, " -INFINITY 33") == 0);
1336 ASSERT (retval == strlen (result));
1342 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1343 ASSERT (strcmp (result, "1234 33") == 0);
1344 ASSERT (retval == strlen (result));
1347 /* Test the support of the %e format directive. */
1349 { /* A positive number. */
1352 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1353 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1354 || strcmp (result, "1.275000e+001 33") == 0);
1355 ASSERT (retval == strlen (result));
1358 { /* A larger positive number. */
1361 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1362 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1363 || strcmp (result, "1.234567e+006 33") == 0);
1364 ASSERT (retval == strlen (result));
1367 { /* Small and large positive numbers. */
1368 static struct { double value; const char *string; } data[] =
1370 { 1.234321234321234e-37, "1.234321e-37" },
1371 { 1.234321234321234e-36, "1.234321e-36" },
1372 { 1.234321234321234e-35, "1.234321e-35" },
1373 { 1.234321234321234e-34, "1.234321e-34" },
1374 { 1.234321234321234e-33, "1.234321e-33" },
1375 { 1.234321234321234e-32, "1.234321e-32" },
1376 { 1.234321234321234e-31, "1.234321e-31" },
1377 { 1.234321234321234e-30, "1.234321e-30" },
1378 { 1.234321234321234e-29, "1.234321e-29" },
1379 { 1.234321234321234e-28, "1.234321e-28" },
1380 { 1.234321234321234e-27, "1.234321e-27" },
1381 { 1.234321234321234e-26, "1.234321e-26" },
1382 { 1.234321234321234e-25, "1.234321e-25" },
1383 { 1.234321234321234e-24, "1.234321e-24" },
1384 { 1.234321234321234e-23, "1.234321e-23" },
1385 { 1.234321234321234e-22, "1.234321e-22" },
1386 { 1.234321234321234e-21, "1.234321e-21" },
1387 { 1.234321234321234e-20, "1.234321e-20" },
1388 { 1.234321234321234e-19, "1.234321e-19" },
1389 { 1.234321234321234e-18, "1.234321e-18" },
1390 { 1.234321234321234e-17, "1.234321e-17" },
1391 { 1.234321234321234e-16, "1.234321e-16" },
1392 { 1.234321234321234e-15, "1.234321e-15" },
1393 { 1.234321234321234e-14, "1.234321e-14" },
1394 { 1.234321234321234e-13, "1.234321e-13" },
1395 { 1.234321234321234e-12, "1.234321e-12" },
1396 { 1.234321234321234e-11, "1.234321e-11" },
1397 { 1.234321234321234e-10, "1.234321e-10" },
1398 { 1.234321234321234e-9, "1.234321e-09" },
1399 { 1.234321234321234e-8, "1.234321e-08" },
1400 { 1.234321234321234e-7, "1.234321e-07" },
1401 { 1.234321234321234e-6, "1.234321e-06" },
1402 { 1.234321234321234e-5, "1.234321e-05" },
1403 { 1.234321234321234e-4, "1.234321e-04" },
1404 { 1.234321234321234e-3, "1.234321e-03" },
1405 { 1.234321234321234e-2, "1.234321e-02" },
1406 { 1.234321234321234e-1, "1.234321e-01" },
1407 { 1.234321234321234, "1.234321e+00" },
1408 { 1.234321234321234e1, "1.234321e+01" },
1409 { 1.234321234321234e2, "1.234321e+02" },
1410 { 1.234321234321234e3, "1.234321e+03" },
1411 { 1.234321234321234e4, "1.234321e+04" },
1412 { 1.234321234321234e5, "1.234321e+05" },
1413 { 1.234321234321234e6, "1.234321e+06" },
1414 { 1.234321234321234e7, "1.234321e+07" },
1415 { 1.234321234321234e8, "1.234321e+08" },
1416 { 1.234321234321234e9, "1.234321e+09" },
1417 { 1.234321234321234e10, "1.234321e+10" },
1418 { 1.234321234321234e11, "1.234321e+11" },
1419 { 1.234321234321234e12, "1.234321e+12" },
1420 { 1.234321234321234e13, "1.234321e+13" },
1421 { 1.234321234321234e14, "1.234321e+14" },
1422 { 1.234321234321234e15, "1.234321e+15" },
1423 { 1.234321234321234e16, "1.234321e+16" },
1424 { 1.234321234321234e17, "1.234321e+17" },
1425 { 1.234321234321234e18, "1.234321e+18" },
1426 { 1.234321234321234e19, "1.234321e+19" },
1427 { 1.234321234321234e20, "1.234321e+20" },
1428 { 1.234321234321234e21, "1.234321e+21" },
1429 { 1.234321234321234e22, "1.234321e+22" },
1430 { 1.234321234321234e23, "1.234321e+23" },
1431 { 1.234321234321234e24, "1.234321e+24" },
1432 { 1.234321234321234e25, "1.234321e+25" },
1433 { 1.234321234321234e26, "1.234321e+26" },
1434 { 1.234321234321234e27, "1.234321e+27" },
1435 { 1.234321234321234e28, "1.234321e+28" },
1436 { 1.234321234321234e29, "1.234321e+29" },
1437 { 1.234321234321234e30, "1.234321e+30" },
1438 { 1.234321234321234e31, "1.234321e+31" },
1439 { 1.234321234321234e32, "1.234321e+32" },
1440 { 1.234321234321234e33, "1.234321e+33" },
1441 { 1.234321234321234e34, "1.234321e+34" },
1442 { 1.234321234321234e35, "1.234321e+35" },
1443 { 1.234321234321234e36, "1.234321e+36" }
1446 for (k = 0; k < SIZEOF (data); k++)
1450 my_snprintf (result, sizeof (result), "%e", data[k].value);
1451 const char *expected = data[k].string;
1452 ASSERT (result != NULL);
1453 ASSERT (strcmp (result, expected) == 0
1454 /* Some implementations produce exponents with 3 digits. */
1455 || (strlen (result) == strlen (expected) + 1
1456 && memcmp (result, expected, strlen (expected) - 2) == 0
1457 && result[strlen (expected) - 2] == '0'
1458 && strcmp (result + strlen (expected) - 1,
1459 expected + strlen (expected) - 2)
1461 ASSERT (retval == strlen (result));
1465 { /* A negative number. */
1468 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1469 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1470 || strcmp (result, "-3.125000e-002 33") == 0);
1471 ASSERT (retval == strlen (result));
1474 { /* Positive zero. */
1477 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1478 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1479 || strcmp (result, "0.000000e+000 33") == 0);
1480 ASSERT (retval == strlen (result));
1483 { /* Negative zero. */
1486 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1487 if (have_minus_zero ())
1488 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1489 || strcmp (result, "-0.000000e+000 33") == 0);
1490 ASSERT (retval == strlen (result));
1493 { /* Positive infinity. */
1496 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1497 ASSERT (strcmp (result, "inf 33") == 0
1498 || strcmp (result, "infinity 33") == 0);
1499 ASSERT (retval == strlen (result));
1502 { /* Negative infinity. */
1505 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1506 ASSERT (strcmp (result, "-inf 33") == 0
1507 || strcmp (result, "-infinity 33") == 0);
1508 ASSERT (retval == strlen (result));
1514 my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1515 ASSERT (strlen (result) >= 3 + 3
1516 && (memcmp (result, "nan", 3) == 0
1517 || memcmp (result, "-nan", 4) == 0)
1518 && strcmp (result + strlen (result) - 3, " 33") == 0);
1519 ASSERT (retval == strlen (result));
1525 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1526 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1527 || strcmp (result, " 1.750000e+000 33") == 0);
1528 ASSERT (retval == strlen (result));
1534 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1535 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1536 || strcmp (result, "1.750000e+000 33") == 0);
1537 ASSERT (retval == strlen (result));
1540 { /* FLAG_SHOWSIGN. */
1543 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1544 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1545 || strcmp (result, "+1.750000e+000 33") == 0);
1546 ASSERT (retval == strlen (result));
1552 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1553 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1554 || strcmp (result, " 1.750000e+000 33") == 0);
1555 ASSERT (retval == strlen (result));
1561 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1562 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1563 || strcmp (result, "1.750000e+000 33") == 0);
1564 ASSERT (retval == strlen (result));
1570 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1571 ASSERT (strcmp (result, "2.e+00 33") == 0
1572 || strcmp (result, "2.e+000 33") == 0);
1573 ASSERT (retval == strlen (result));
1579 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1580 ASSERT (strcmp (result, "1.e+01 33") == 0
1581 || strcmp (result, "1.e+001 33") == 0);
1582 ASSERT (retval == strlen (result));
1585 { /* FLAG_ZERO with finite number. */
1588 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1589 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1590 || strcmp (result, "001.234000e+003 33") == 0);
1591 ASSERT (retval == strlen (result));
1594 { /* FLAG_ZERO with infinite number. */
1597 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1598 ASSERT (strcmp (result, " -inf 33") == 0
1599 || strcmp (result, " -infinity 33") == 0);
1600 ASSERT (retval == strlen (result));
1603 { /* FLAG_ZERO with NaN. */
1606 my_snprintf (result, sizeof (result), "%020e %d", NaN (), 33, 44, 55);
1607 ASSERT (strlen (result) == 20 + 3
1608 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
1609 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
1610 && strcmp (result + strlen (result) - 3, " 33") == 0);
1611 ASSERT (retval == strlen (result));
1617 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1618 ASSERT (strcmp (result, "1e+03 33") == 0
1619 || strcmp (result, "1e+003 33") == 0);
1620 ASSERT (retval == strlen (result));
1623 { /* A positive number. */
1626 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1627 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1628 ASSERT (retval == strlen (result));
1631 { /* A larger positive number. */
1634 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1635 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1636 ASSERT (retval == strlen (result));
1639 { /* Small and large positive numbers. */
1640 static struct { long double value; const char *string; } data[] =
1642 { 1.234321234321234e-37L, "1.234321e-37" },
1643 { 1.234321234321234e-36L, "1.234321e-36" },
1644 { 1.234321234321234e-35L, "1.234321e-35" },
1645 { 1.234321234321234e-34L, "1.234321e-34" },
1646 { 1.234321234321234e-33L, "1.234321e-33" },
1647 { 1.234321234321234e-32L, "1.234321e-32" },
1648 { 1.234321234321234e-31L, "1.234321e-31" },
1649 { 1.234321234321234e-30L, "1.234321e-30" },
1650 { 1.234321234321234e-29L, "1.234321e-29" },
1651 { 1.234321234321234e-28L, "1.234321e-28" },
1652 { 1.234321234321234e-27L, "1.234321e-27" },
1653 { 1.234321234321234e-26L, "1.234321e-26" },
1654 { 1.234321234321234e-25L, "1.234321e-25" },
1655 { 1.234321234321234e-24L, "1.234321e-24" },
1656 { 1.234321234321234e-23L, "1.234321e-23" },
1657 { 1.234321234321234e-22L, "1.234321e-22" },
1658 { 1.234321234321234e-21L, "1.234321e-21" },
1659 { 1.234321234321234e-20L, "1.234321e-20" },
1660 { 1.234321234321234e-19L, "1.234321e-19" },
1661 { 1.234321234321234e-18L, "1.234321e-18" },
1662 { 1.234321234321234e-17L, "1.234321e-17" },
1663 { 1.234321234321234e-16L, "1.234321e-16" },
1664 { 1.234321234321234e-15L, "1.234321e-15" },
1665 { 1.234321234321234e-14L, "1.234321e-14" },
1666 { 1.234321234321234e-13L, "1.234321e-13" },
1667 { 1.234321234321234e-12L, "1.234321e-12" },
1668 { 1.234321234321234e-11L, "1.234321e-11" },
1669 { 1.234321234321234e-10L, "1.234321e-10" },
1670 { 1.234321234321234e-9L, "1.234321e-09" },
1671 { 1.234321234321234e-8L, "1.234321e-08" },
1672 { 1.234321234321234e-7L, "1.234321e-07" },
1673 { 1.234321234321234e-6L, "1.234321e-06" },
1674 { 1.234321234321234e-5L, "1.234321e-05" },
1675 { 1.234321234321234e-4L, "1.234321e-04" },
1676 { 1.234321234321234e-3L, "1.234321e-03" },
1677 { 1.234321234321234e-2L, "1.234321e-02" },
1678 { 1.234321234321234e-1L, "1.234321e-01" },
1679 { 1.234321234321234L, "1.234321e+00" },
1680 { 1.234321234321234e1L, "1.234321e+01" },
1681 { 1.234321234321234e2L, "1.234321e+02" },
1682 { 1.234321234321234e3L, "1.234321e+03" },
1683 { 1.234321234321234e4L, "1.234321e+04" },
1684 { 1.234321234321234e5L, "1.234321e+05" },
1685 { 1.234321234321234e6L, "1.234321e+06" },
1686 { 1.234321234321234e7L, "1.234321e+07" },
1687 { 1.234321234321234e8L, "1.234321e+08" },
1688 { 1.234321234321234e9L, "1.234321e+09" },
1689 { 1.234321234321234e10L, "1.234321e+10" },
1690 { 1.234321234321234e11L, "1.234321e+11" },
1691 { 1.234321234321234e12L, "1.234321e+12" },
1692 { 1.234321234321234e13L, "1.234321e+13" },
1693 { 1.234321234321234e14L, "1.234321e+14" },
1694 { 1.234321234321234e15L, "1.234321e+15" },
1695 { 1.234321234321234e16L, "1.234321e+16" },
1696 { 1.234321234321234e17L, "1.234321e+17" },
1697 { 1.234321234321234e18L, "1.234321e+18" },
1698 { 1.234321234321234e19L, "1.234321e+19" },
1699 { 1.234321234321234e20L, "1.234321e+20" },
1700 { 1.234321234321234e21L, "1.234321e+21" },
1701 { 1.234321234321234e22L, "1.234321e+22" },
1702 { 1.234321234321234e23L, "1.234321e+23" },
1703 { 1.234321234321234e24L, "1.234321e+24" },
1704 { 1.234321234321234e25L, "1.234321e+25" },
1705 { 1.234321234321234e26L, "1.234321e+26" },
1706 { 1.234321234321234e27L, "1.234321e+27" },
1707 { 1.234321234321234e28L, "1.234321e+28" },
1708 { 1.234321234321234e29L, "1.234321e+29" },
1709 { 1.234321234321234e30L, "1.234321e+30" },
1710 { 1.234321234321234e31L, "1.234321e+31" },
1711 { 1.234321234321234e32L, "1.234321e+32" },
1712 { 1.234321234321234e33L, "1.234321e+33" },
1713 { 1.234321234321234e34L, "1.234321e+34" },
1714 { 1.234321234321234e35L, "1.234321e+35" },
1715 { 1.234321234321234e36L, "1.234321e+36" }
1718 for (k = 0; k < SIZEOF (data); k++)
1722 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1723 ASSERT (strcmp (result, data[k].string) == 0);
1724 ASSERT (retval == strlen (result));
1728 { /* A negative number. */
1731 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1732 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1733 ASSERT (retval == strlen (result));
1736 { /* Positive zero. */
1739 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1740 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1741 ASSERT (retval == strlen (result));
1744 { /* Negative zero. */
1747 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1748 if (have_minus_zero ())
1749 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1750 ASSERT (retval == strlen (result));
1753 { /* Positive infinity. */
1756 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1757 ASSERT (strcmp (result, "inf 33") == 0
1758 || strcmp (result, "infinity 33") == 0);
1759 ASSERT (retval == strlen (result));
1762 { /* Negative infinity. */
1765 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1766 ASSERT (strcmp (result, "-inf 33") == 0
1767 || strcmp (result, "-infinity 33") == 0);
1768 ASSERT (retval == strlen (result));
1772 static long double zero = 0.0L;
1775 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1776 ASSERT (strlen (result) >= 3 + 3
1777 && (memcmp (result, "nan", 3) == 0
1778 || memcmp (result, "-nan", 4) == 0)
1779 && strcmp (result + strlen (result) - 3, " 33") == 0);
1780 ASSERT (retval == strlen (result));
1786 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
1787 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1788 ASSERT (retval == strlen (result));
1794 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
1795 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1796 ASSERT (retval == strlen (result));
1799 { /* FLAG_SHOWSIGN. */
1802 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
1803 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
1804 ASSERT (retval == strlen (result));
1810 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
1811 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1812 ASSERT (retval == strlen (result));
1818 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
1819 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1820 ASSERT (retval == strlen (result));
1826 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
1827 ASSERT (strcmp (result, "2.e+00 33") == 0);
1828 ASSERT (retval == strlen (result));
1834 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
1835 ASSERT (strcmp (result, "1.e+01 33") == 0);
1836 ASSERT (retval == strlen (result));
1839 { /* FLAG_ZERO with finite number. */
1842 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
1843 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
1844 ASSERT (retval == strlen (result));
1847 { /* FLAG_ZERO with infinite number. */
1850 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
1851 ASSERT (strcmp (result, " -inf 33") == 0
1852 || strcmp (result, " -infinity 33") == 0);
1853 ASSERT (retval == strlen (result));
1856 { /* FLAG_ZERO with NaN. */
1857 static long double zero = 0.0L;
1860 my_snprintf (result, sizeof (result), "%020Le %d", zero / zero, 33, 44, 55);
1861 ASSERT (strlen (result) == 20 + 3
1862 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
1863 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
1864 && strcmp (result + strlen (result) - 3, " 33") == 0);
1865 ASSERT (retval == strlen (result));
1871 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
1872 ASSERT (strcmp (result, "1e+03 33") == 0);
1873 ASSERT (retval == strlen (result));
1876 /* Test the support of the %g format directive. */
1878 { /* A positive number. */
1881 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
1882 ASSERT (strcmp (result, "12.75 33") == 0);
1883 ASSERT (retval == strlen (result));
1886 { /* A larger positive number. */
1889 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
1890 ASSERT (strcmp (result, "1.23457e+06 33") == 0
1891 || strcmp (result, "1.23457e+006 33") == 0);
1892 ASSERT (retval == strlen (result));
1895 { /* Small and large positive numbers. */
1896 static struct { double value; const char *string; } data[] =
1898 { 1.234321234321234e-37, "1.23432e-37" },
1899 { 1.234321234321234e-36, "1.23432e-36" },
1900 { 1.234321234321234e-35, "1.23432e-35" },
1901 { 1.234321234321234e-34, "1.23432e-34" },
1902 { 1.234321234321234e-33, "1.23432e-33" },
1903 { 1.234321234321234e-32, "1.23432e-32" },
1904 { 1.234321234321234e-31, "1.23432e-31" },
1905 { 1.234321234321234e-30, "1.23432e-30" },
1906 { 1.234321234321234e-29, "1.23432e-29" },
1907 { 1.234321234321234e-28, "1.23432e-28" },
1908 { 1.234321234321234e-27, "1.23432e-27" },
1909 { 1.234321234321234e-26, "1.23432e-26" },
1910 { 1.234321234321234e-25, "1.23432e-25" },
1911 { 1.234321234321234e-24, "1.23432e-24" },
1912 { 1.234321234321234e-23, "1.23432e-23" },
1913 { 1.234321234321234e-22, "1.23432e-22" },
1914 { 1.234321234321234e-21, "1.23432e-21" },
1915 { 1.234321234321234e-20, "1.23432e-20" },
1916 { 1.234321234321234e-19, "1.23432e-19" },
1917 { 1.234321234321234e-18, "1.23432e-18" },
1918 { 1.234321234321234e-17, "1.23432e-17" },
1919 { 1.234321234321234e-16, "1.23432e-16" },
1920 { 1.234321234321234e-15, "1.23432e-15" },
1921 { 1.234321234321234e-14, "1.23432e-14" },
1922 { 1.234321234321234e-13, "1.23432e-13" },
1923 { 1.234321234321234e-12, "1.23432e-12" },
1924 { 1.234321234321234e-11, "1.23432e-11" },
1925 { 1.234321234321234e-10, "1.23432e-10" },
1926 { 1.234321234321234e-9, "1.23432e-09" },
1927 { 1.234321234321234e-8, "1.23432e-08" },
1928 { 1.234321234321234e-7, "1.23432e-07" },
1929 { 1.234321234321234e-6, "1.23432e-06" },
1930 { 1.234321234321234e-5, "1.23432e-05" },
1931 { 1.234321234321234e-4, "0.000123432" },
1932 { 1.234321234321234e-3, "0.00123432" },
1933 { 1.234321234321234e-2, "0.0123432" },
1934 { 1.234321234321234e-1, "0.123432" },
1935 { 1.234321234321234, "1.23432" },
1936 { 1.234321234321234e1, "12.3432" },
1937 { 1.234321234321234e2, "123.432" },
1938 { 1.234321234321234e3, "1234.32" },
1939 { 1.234321234321234e4, "12343.2" },
1940 { 1.234321234321234e5, "123432" },
1941 { 1.234321234321234e6, "1.23432e+06" },
1942 { 1.234321234321234e7, "1.23432e+07" },
1943 { 1.234321234321234e8, "1.23432e+08" },
1944 { 1.234321234321234e9, "1.23432e+09" },
1945 { 1.234321234321234e10, "1.23432e+10" },
1946 { 1.234321234321234e11, "1.23432e+11" },
1947 { 1.234321234321234e12, "1.23432e+12" },
1948 { 1.234321234321234e13, "1.23432e+13" },
1949 { 1.234321234321234e14, "1.23432e+14" },
1950 { 1.234321234321234e15, "1.23432e+15" },
1951 { 1.234321234321234e16, "1.23432e+16" },
1952 { 1.234321234321234e17, "1.23432e+17" },
1953 { 1.234321234321234e18, "1.23432e+18" },
1954 { 1.234321234321234e19, "1.23432e+19" },
1955 { 1.234321234321234e20, "1.23432e+20" },
1956 { 1.234321234321234e21, "1.23432e+21" },
1957 { 1.234321234321234e22, "1.23432e+22" },
1958 { 1.234321234321234e23, "1.23432e+23" },
1959 { 1.234321234321234e24, "1.23432e+24" },
1960 { 1.234321234321234e25, "1.23432e+25" },
1961 { 1.234321234321234e26, "1.23432e+26" },
1962 { 1.234321234321234e27, "1.23432e+27" },
1963 { 1.234321234321234e28, "1.23432e+28" },
1964 { 1.234321234321234e29, "1.23432e+29" },
1965 { 1.234321234321234e30, "1.23432e+30" },
1966 { 1.234321234321234e31, "1.23432e+31" },
1967 { 1.234321234321234e32, "1.23432e+32" },
1968 { 1.234321234321234e33, "1.23432e+33" },
1969 { 1.234321234321234e34, "1.23432e+34" },
1970 { 1.234321234321234e35, "1.23432e+35" },
1971 { 1.234321234321234e36, "1.23432e+36" }
1974 for (k = 0; k < SIZEOF (data); k++)
1978 my_snprintf (result, sizeof (result), "%g", data[k].value);
1979 const char *expected = data[k].string;
1980 ASSERT (strcmp (result, expected) == 0
1981 /* Some implementations produce exponents with 3 digits. */
1982 || (expected[strlen (expected) - 4] == 'e'
1983 && strlen (result) == strlen (expected) + 1
1984 && memcmp (result, expected, strlen (expected) - 2) == 0
1985 && result[strlen (expected) - 2] == '0'
1986 && strcmp (result + strlen (expected) - 1,
1987 expected + strlen (expected) - 2)
1989 ASSERT (retval == strlen (result));
1993 { /* A negative number. */
1996 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
1997 ASSERT (strcmp (result, "-0.03125 33") == 0);
1998 ASSERT (retval == strlen (result));
2001 { /* Positive zero. */
2004 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2005 ASSERT (strcmp (result, "0 33") == 0);
2006 ASSERT (retval == strlen (result));
2009 { /* Negative zero. */
2012 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2013 if (have_minus_zero ())
2014 ASSERT (strcmp (result, "-0 33") == 0);
2015 ASSERT (retval == strlen (result));
2018 { /* Positive infinity. */
2021 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2022 ASSERT (strcmp (result, "inf 33") == 0
2023 || strcmp (result, "infinity 33") == 0);
2024 ASSERT (retval == strlen (result));
2027 { /* Negative infinity. */
2030 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2031 ASSERT (strcmp (result, "-inf 33") == 0
2032 || strcmp (result, "-infinity 33") == 0);
2033 ASSERT (retval == strlen (result));
2039 my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2040 ASSERT (strlen (result) >= 3 + 3
2041 && (memcmp (result, "nan", 3) == 0
2042 || memcmp (result, "-nan", 4) == 0)
2043 && strcmp (result + strlen (result) - 3, " 33") == 0);
2044 ASSERT (retval == strlen (result));
2050 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2051 ASSERT (strcmp (result, " 1.75 33") == 0);
2052 ASSERT (retval == strlen (result));
2058 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2059 ASSERT (strcmp (result, "1.75 33") == 0);
2060 ASSERT (retval == strlen (result));
2063 { /* FLAG_SHOWSIGN. */
2066 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2067 ASSERT (strcmp (result, "+1.75 33") == 0);
2068 ASSERT (retval == strlen (result));
2074 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2075 ASSERT (strcmp (result, " 1.75 33") == 0);
2076 ASSERT (retval == strlen (result));
2082 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2083 ASSERT (strcmp (result, "1.75000 33") == 0);
2084 ASSERT (retval == strlen (result));
2090 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2091 ASSERT (strcmp (result, "2. 33") == 0);
2092 ASSERT (retval == strlen (result));
2098 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2099 ASSERT (strcmp (result, "1.e+01 33") == 0
2100 || strcmp (result, "1.e+001 33") == 0);
2101 ASSERT (retval == strlen (result));
2104 { /* FLAG_ZERO with finite number. */
2107 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2108 ASSERT (strcmp (result, "0000001234 33") == 0);
2109 ASSERT (retval == strlen (result));
2112 { /* FLAG_ZERO with infinite number. */
2115 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2116 ASSERT (strcmp (result, " -inf 33") == 0
2117 || strcmp (result, " -infinity 33") == 0);
2118 ASSERT (retval == strlen (result));
2121 { /* FLAG_ZERO with NaN. */
2124 my_snprintf (result, sizeof (result), "%020g %d", NaN (), 33, 44, 55);
2125 ASSERT (strlen (result) == 20 + 3
2126 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
2127 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
2128 && strcmp (result + strlen (result) - 3, " 33") == 0);
2129 ASSERT (retval == strlen (result));
2135 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2136 ASSERT (strcmp (result, "1e+03 33") == 0
2137 || strcmp (result, "1e+003 33") == 0);
2138 ASSERT (retval == strlen (result));
2141 { /* A positive number. */
2144 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2145 ASSERT (strcmp (result, "12.75 33") == 0);
2146 ASSERT (retval == strlen (result));
2149 { /* A larger positive number. */
2152 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2153 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2154 ASSERT (retval == strlen (result));
2157 { /* Small and large positive numbers. */
2158 static struct { long double value; const char *string; } data[] =
2160 { 1.234321234321234e-37L, "1.23432e-37" },
2161 { 1.234321234321234e-36L, "1.23432e-36" },
2162 { 1.234321234321234e-35L, "1.23432e-35" },
2163 { 1.234321234321234e-34L, "1.23432e-34" },
2164 { 1.234321234321234e-33L, "1.23432e-33" },
2165 { 1.234321234321234e-32L, "1.23432e-32" },
2166 { 1.234321234321234e-31L, "1.23432e-31" },
2167 { 1.234321234321234e-30L, "1.23432e-30" },
2168 { 1.234321234321234e-29L, "1.23432e-29" },
2169 { 1.234321234321234e-28L, "1.23432e-28" },
2170 { 1.234321234321234e-27L, "1.23432e-27" },
2171 { 1.234321234321234e-26L, "1.23432e-26" },
2172 { 1.234321234321234e-25L, "1.23432e-25" },
2173 { 1.234321234321234e-24L, "1.23432e-24" },
2174 { 1.234321234321234e-23L, "1.23432e-23" },
2175 { 1.234321234321234e-22L, "1.23432e-22" },
2176 { 1.234321234321234e-21L, "1.23432e-21" },
2177 { 1.234321234321234e-20L, "1.23432e-20" },
2178 { 1.234321234321234e-19L, "1.23432e-19" },
2179 { 1.234321234321234e-18L, "1.23432e-18" },
2180 { 1.234321234321234e-17L, "1.23432e-17" },
2181 { 1.234321234321234e-16L, "1.23432e-16" },
2182 { 1.234321234321234e-15L, "1.23432e-15" },
2183 { 1.234321234321234e-14L, "1.23432e-14" },
2184 { 1.234321234321234e-13L, "1.23432e-13" },
2185 { 1.234321234321234e-12L, "1.23432e-12" },
2186 { 1.234321234321234e-11L, "1.23432e-11" },
2187 { 1.234321234321234e-10L, "1.23432e-10" },
2188 { 1.234321234321234e-9L, "1.23432e-09" },
2189 { 1.234321234321234e-8L, "1.23432e-08" },
2190 { 1.234321234321234e-7L, "1.23432e-07" },
2191 { 1.234321234321234e-6L, "1.23432e-06" },
2192 { 1.234321234321234e-5L, "1.23432e-05" },
2193 { 1.234321234321234e-4L, "0.000123432" },
2194 { 1.234321234321234e-3L, "0.00123432" },
2195 { 1.234321234321234e-2L, "0.0123432" },
2196 { 1.234321234321234e-1L, "0.123432" },
2197 { 1.234321234321234L, "1.23432" },
2198 { 1.234321234321234e1L, "12.3432" },
2199 { 1.234321234321234e2L, "123.432" },
2200 { 1.234321234321234e3L, "1234.32" },
2201 { 1.234321234321234e4L, "12343.2" },
2202 { 1.234321234321234e5L, "123432" },
2203 { 1.234321234321234e6L, "1.23432e+06" },
2204 { 1.234321234321234e7L, "1.23432e+07" },
2205 { 1.234321234321234e8L, "1.23432e+08" },
2206 { 1.234321234321234e9L, "1.23432e+09" },
2207 { 1.234321234321234e10L, "1.23432e+10" },
2208 { 1.234321234321234e11L, "1.23432e+11" },
2209 { 1.234321234321234e12L, "1.23432e+12" },
2210 { 1.234321234321234e13L, "1.23432e+13" },
2211 { 1.234321234321234e14L, "1.23432e+14" },
2212 { 1.234321234321234e15L, "1.23432e+15" },
2213 { 1.234321234321234e16L, "1.23432e+16" },
2214 { 1.234321234321234e17L, "1.23432e+17" },
2215 { 1.234321234321234e18L, "1.23432e+18" },
2216 { 1.234321234321234e19L, "1.23432e+19" },
2217 { 1.234321234321234e20L, "1.23432e+20" },
2218 { 1.234321234321234e21L, "1.23432e+21" },
2219 { 1.234321234321234e22L, "1.23432e+22" },
2220 { 1.234321234321234e23L, "1.23432e+23" },
2221 { 1.234321234321234e24L, "1.23432e+24" },
2222 { 1.234321234321234e25L, "1.23432e+25" },
2223 { 1.234321234321234e26L, "1.23432e+26" },
2224 { 1.234321234321234e27L, "1.23432e+27" },
2225 { 1.234321234321234e28L, "1.23432e+28" },
2226 { 1.234321234321234e29L, "1.23432e+29" },
2227 { 1.234321234321234e30L, "1.23432e+30" },
2228 { 1.234321234321234e31L, "1.23432e+31" },
2229 { 1.234321234321234e32L, "1.23432e+32" },
2230 { 1.234321234321234e33L, "1.23432e+33" },
2231 { 1.234321234321234e34L, "1.23432e+34" },
2232 { 1.234321234321234e35L, "1.23432e+35" },
2233 { 1.234321234321234e36L, "1.23432e+36" }
2236 for (k = 0; k < SIZEOF (data); k++)
2240 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2241 ASSERT (strcmp (result, data[k].string) == 0);
2242 ASSERT (retval == strlen (result));
2246 { /* A negative number. */
2249 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2250 ASSERT (strcmp (result, "-0.03125 33") == 0);
2251 ASSERT (retval == strlen (result));
2254 { /* Positive zero. */
2257 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2258 ASSERT (strcmp (result, "0 33") == 0);
2259 ASSERT (retval == strlen (result));
2262 { /* Negative zero. */
2265 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2266 if (have_minus_zero ())
2267 ASSERT (strcmp (result, "-0 33") == 0);
2268 ASSERT (retval == strlen (result));
2271 { /* Positive infinity. */
2274 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2275 ASSERT (strcmp (result, "inf 33") == 0
2276 || strcmp (result, "infinity 33") == 0);
2277 ASSERT (retval == strlen (result));
2280 { /* Negative infinity. */
2283 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2284 ASSERT (strcmp (result, "-inf 33") == 0
2285 || strcmp (result, "-infinity 33") == 0);
2286 ASSERT (retval == strlen (result));
2290 static long double zero = 0.0L;
2293 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2294 ASSERT (strlen (result) >= 3 + 3
2295 && (memcmp (result, "nan", 3) == 0
2296 || memcmp (result, "-nan", 4) == 0)
2297 && strcmp (result + strlen (result) - 3, " 33") == 0);
2298 ASSERT (retval == strlen (result));
2304 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2305 ASSERT (strcmp (result, " 1.75 33") == 0);
2306 ASSERT (retval == strlen (result));
2312 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2313 ASSERT (strcmp (result, "1.75 33") == 0);
2314 ASSERT (retval == strlen (result));
2317 { /* FLAG_SHOWSIGN. */
2320 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2321 ASSERT (strcmp (result, "+1.75 33") == 0);
2322 ASSERT (retval == strlen (result));
2328 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2329 ASSERT (strcmp (result, " 1.75 33") == 0);
2330 ASSERT (retval == strlen (result));
2336 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2337 ASSERT (strcmp (result, "1.75000 33") == 0);
2338 ASSERT (retval == strlen (result));
2344 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2345 ASSERT (strcmp (result, "2. 33") == 0);
2346 ASSERT (retval == strlen (result));
2352 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2353 ASSERT (strcmp (result, "1.e+01 33") == 0);
2354 ASSERT (retval == strlen (result));
2357 { /* FLAG_ZERO with finite number. */
2360 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2361 ASSERT (strcmp (result, "0000001234 33") == 0);
2362 ASSERT (retval == strlen (result));
2365 { /* FLAG_ZERO with infinite number. */
2368 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2369 ASSERT (strcmp (result, " -inf 33") == 0
2370 || strcmp (result, " -infinity 33") == 0);
2371 ASSERT (retval == strlen (result));
2374 { /* FLAG_ZERO with NaN. */
2375 static long double zero = 0.0L;
2378 my_snprintf (result, sizeof (result), "%020Lg %d", zero / zero, 33, 44, 55);
2379 ASSERT (strlen (result) == 20 + 3
2380 && (memcmp (result + strspn (result, " "), "nan", 3) == 0
2381 || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
2382 && strcmp (result + strlen (result) - 3, " 33") == 0);
2383 ASSERT (retval == strlen (result));
2389 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2390 ASSERT (strcmp (result, "1e+03 33") == 0);
2391 ASSERT (retval == strlen (result));
2394 /* Test the support of the %n format directive. */
2400 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2401 ASSERT (strcmp (result, "123 ") == 0);
2402 ASSERT (retval == strlen (result));
2403 ASSERT (count == 4);
2406 /* Test the support of the POSIX/XSI format strings with positions. */
2411 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2412 ASSERT (strcmp (result, "55 33") == 0);
2413 ASSERT (retval == strlen (result));
2416 /* Test the support of the grouping flag. */
2421 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2422 ASSERT (result[strlen (result) - 1] == '9');
2423 ASSERT (retval == strlen (result));