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 && strcmp (result + strlen (result) - 3, " 33") == 0);
181 ASSERT (retval == strlen (result));
184 { /* Rounding near the decimal point. */
187 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
188 ASSERT (strcmp (result, "0x2p+0 33") == 0
189 || strcmp (result, "0x3p-1 33") == 0
190 || strcmp (result, "0x6p-2 33") == 0
191 || strcmp (result, "0xcp-3 33") == 0);
192 ASSERT (retval == strlen (result));
195 { /* Rounding with precision 0. */
198 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
199 ASSERT (strcmp (result, "0x2p+0 33") == 0
200 || strcmp (result, "0x3p-1 33") == 0
201 || strcmp (result, "0x6p-2 33") == 0
202 || strcmp (result, "0xcp-3 33") == 0);
203 ASSERT (retval == strlen (result));
206 { /* Rounding with precision 1. */
209 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
210 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
211 || strcmp (result, "0x3.0p-1 33") == 0
212 || strcmp (result, "0x6.1p-2 33") == 0
213 || strcmp (result, "0xc.1p-3 33") == 0);
214 ASSERT (retval == strlen (result));
217 { /* Rounding with precision 2. */
220 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
221 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
222 || strcmp (result, "0x3.05p-1 33") == 0
223 || strcmp (result, "0x6.0ap-2 33") == 0
224 || strcmp (result, "0xc.14p-3 33") == 0);
225 ASSERT (retval == strlen (result));
228 { /* Rounding with precision 3. */
231 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
232 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
233 || strcmp (result, "0x3.052p-1 33") == 0
234 || strcmp (result, "0x6.0a4p-2 33") == 0
235 || strcmp (result, "0xc.148p-3 33") == 0);
236 ASSERT (retval == strlen (result));
239 { /* Rounding can turn a ...FFF into a ...000. */
242 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
243 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
244 || strcmp (result, "0x3.000p-1 33") == 0
245 || strcmp (result, "0x6.000p-2 33") == 0
246 || strcmp (result, "0xc.000p-3 33") == 0);
247 ASSERT (retval == strlen (result));
250 { /* Rounding can turn a ...FFF into a ...000.
251 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
254 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
255 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
256 || strcmp (result, "0x2.0p+0 33") == 0
257 || strcmp (result, "0x4.0p-1 33") == 0
258 || strcmp (result, "0x8.0p-2 33") == 0);
259 ASSERT (retval == strlen (result));
265 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
266 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
267 || strcmp (result, " 0x3.8p-1 33") == 0
268 || strcmp (result, " 0x7p-2 33") == 0
269 || strcmp (result, " 0xep-3 33") == 0);
270 ASSERT (retval == strlen (result));
273 { /* Small precision. */
276 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
277 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
278 || strcmp (result, "0x3.8000000000p-1 33") == 0
279 || strcmp (result, "0x7.0000000000p-2 33") == 0
280 || strcmp (result, "0xe.0000000000p-3 33") == 0);
281 ASSERT (retval == strlen (result));
284 { /* Large precision. */
287 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
288 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
289 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
290 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
291 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
292 ASSERT (retval == strlen (result));
298 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
299 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
300 || strcmp (result, "0x3.8p-1 33") == 0
301 || strcmp (result, "0x7p-2 33") == 0
302 || strcmp (result, "0xep-3 33") == 0);
303 ASSERT (retval == strlen (result));
306 { /* FLAG_SHOWSIGN. */
309 my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
310 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
311 || strcmp (result, "+0x3.8p-1 33") == 0
312 || strcmp (result, "+0x7p-2 33") == 0
313 || strcmp (result, "+0xep-3 33") == 0);
314 ASSERT (retval == strlen (result));
320 my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
321 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
322 || strcmp (result, " 0x3.8p-1 33") == 0
323 || strcmp (result, " 0x7p-2 33") == 0
324 || strcmp (result, " 0xep-3 33") == 0);
325 ASSERT (retval == strlen (result));
331 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
332 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
333 || strcmp (result, "0x3.8p-1 33") == 0
334 || strcmp (result, "0x7.p-2 33") == 0
335 || strcmp (result, "0xe.p-3 33") == 0);
336 ASSERT (retval == strlen (result));
342 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
343 ASSERT (strcmp (result, "0x1.p+0 33") == 0
344 || strcmp (result, "0x2.p-1 33") == 0
345 || strcmp (result, "0x4.p-2 33") == 0
346 || strcmp (result, "0x8.p-3 33") == 0);
347 ASSERT (retval == strlen (result));
350 { /* FLAG_ZERO with finite number. */
353 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
354 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
355 || strcmp (result, "0x003.8p-1 33") == 0
356 || strcmp (result, "0x00007p-2 33") == 0
357 || strcmp (result, "0x0000ep-3 33") == 0);
358 ASSERT (retval == strlen (result));
361 { /* FLAG_ZERO with infinite number. */
364 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
365 /* "0000000inf 33" is not a valid result; see
366 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
367 ASSERT (strcmp (result, " inf 33") == 0);
368 ASSERT (retval == strlen (result));
371 { /* FLAG_ZERO with NaN. */
374 my_snprintf (result, sizeof (result), "%020a %d", NaN (), 33, 44, 55);
375 /* "0000000nan 33" is not a valid result; see
376 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
377 ASSERT (strlen (result) == 20 + 3
378 && memcmp (result + strspn (result, " "), "nan", 3) == 0
379 && strcmp (result + strlen (result) - 3, " 33") == 0);
380 ASSERT (retval == strlen (result));
383 { /* A positive number. */
386 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
387 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
388 || strcmp (result, "0x3.244p+0 33") == 0
389 || strcmp (result, "0x6.488p-1 33") == 0
390 || strcmp (result, "0xc.91p-2 33") == 0);
391 ASSERT (retval == strlen (result));
394 { /* A negative number. */
397 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
398 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
399 || strcmp (result, "-0X3.244P+0 33") == 0
400 || strcmp (result, "-0X6.488P-1 33") == 0
401 || strcmp (result, "-0XC.91P-2 33") == 0);
402 ASSERT (retval == strlen (result));
405 { /* Positive zero. */
408 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
409 ASSERT (strcmp (result, "0x0p+0 33") == 0);
410 ASSERT (retval == strlen (result));
413 { /* Negative zero. */
416 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
417 if (have_minus_zero ())
418 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
419 ASSERT (retval == strlen (result));
422 { /* Positive infinity. */
425 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
426 ASSERT (strcmp (result, "inf 33") == 0);
427 ASSERT (retval == strlen (result));
430 { /* Negative infinity. */
433 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
434 ASSERT (strcmp (result, "-inf 33") == 0);
435 ASSERT (retval == strlen (result));
441 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
442 ASSERT (strlen (result) >= 3 + 3
443 && memcmp (result, "nan", 3) == 0
444 && strcmp (result + strlen (result) - 3, " 33") == 0);
445 ASSERT (retval == strlen (result));
448 { /* Rounding near the decimal point. */
451 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
452 ASSERT (strcmp (result, "0x2p+0 33") == 0
453 || strcmp (result, "0x3p-1 33") == 0
454 || strcmp (result, "0x6p-2 33") == 0
455 || strcmp (result, "0xcp-3 33") == 0);
456 ASSERT (retval == strlen (result));
459 { /* Rounding with precision 0. */
462 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
463 ASSERT (strcmp (result, "0x2p+0 33") == 0
464 || strcmp (result, "0x3p-1 33") == 0
465 || strcmp (result, "0x6p-2 33") == 0
466 || strcmp (result, "0xcp-3 33") == 0);
467 ASSERT (retval == strlen (result));
470 { /* Rounding with precision 1. */
473 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
474 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
475 || strcmp (result, "0x3.0p-1 33") == 0
476 || strcmp (result, "0x6.1p-2 33") == 0
477 || strcmp (result, "0xc.1p-3 33") == 0);
478 ASSERT (retval == strlen (result));
481 { /* Rounding with precision 2. */
484 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
485 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
486 || strcmp (result, "0x3.05p-1 33") == 0
487 || strcmp (result, "0x6.0ap-2 33") == 0
488 || strcmp (result, "0xc.14p-3 33") == 0);
489 ASSERT (retval == strlen (result));
492 { /* Rounding with precision 3. */
495 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
496 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
497 || strcmp (result, "0x3.052p-1 33") == 0
498 || strcmp (result, "0x6.0a4p-2 33") == 0
499 || strcmp (result, "0xc.148p-3 33") == 0);
500 ASSERT (retval == strlen (result));
503 { /* Rounding can turn a ...FFF into a ...000. */
506 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
507 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
508 || strcmp (result, "0x3.000p-1 33") == 0
509 || strcmp (result, "0x6.000p-2 33") == 0
510 || strcmp (result, "0xc.000p-3 33") == 0);
511 ASSERT (retval == strlen (result));
514 { /* Rounding can turn a ...FFF into a ...000.
515 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
516 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
519 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
520 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
521 || strcmp (result, "0x2.0p+0 33") == 0
522 || strcmp (result, "0x4.0p-1 33") == 0
523 || strcmp (result, "0x8.0p-2 33") == 0);
524 ASSERT (retval == strlen (result));
530 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
531 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
532 || strcmp (result, " 0x3.8p-1 33") == 0
533 || strcmp (result, " 0x7p-2 33") == 0
534 || strcmp (result, " 0xep-3 33") == 0);
535 ASSERT (retval == strlen (result));
538 { /* Small precision. */
541 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
542 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
543 || strcmp (result, "0x3.8000000000p-1 33") == 0
544 || strcmp (result, "0x7.0000000000p-2 33") == 0
545 || strcmp (result, "0xe.0000000000p-3 33") == 0);
546 ASSERT (retval == strlen (result));
549 { /* Large precision. */
552 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
553 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
554 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
555 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
556 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
557 ASSERT (retval == strlen (result));
563 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
564 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
565 || strcmp (result, "0x3.8p-1 33") == 0
566 || strcmp (result, "0x7p-2 33") == 0
567 || strcmp (result, "0xep-3 33") == 0);
568 ASSERT (retval == strlen (result));
571 { /* FLAG_SHOWSIGN. */
574 my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
575 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
576 || strcmp (result, "+0x3.8p-1 33") == 0
577 || strcmp (result, "+0x7p-2 33") == 0
578 || strcmp (result, "+0xep-3 33") == 0);
579 ASSERT (retval == strlen (result));
585 my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
586 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
587 || strcmp (result, " 0x3.8p-1 33") == 0
588 || strcmp (result, " 0x7p-2 33") == 0
589 || strcmp (result, " 0xep-3 33") == 0);
590 ASSERT (retval == strlen (result));
596 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
597 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
598 || strcmp (result, "0x3.8p-1 33") == 0
599 || strcmp (result, "0x7.p-2 33") == 0
600 || strcmp (result, "0xe.p-3 33") == 0);
601 ASSERT (retval == strlen (result));
607 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
608 ASSERT (strcmp (result, "0x1.p+0 33") == 0
609 || strcmp (result, "0x2.p-1 33") == 0
610 || strcmp (result, "0x4.p-2 33") == 0
611 || strcmp (result, "0x8.p-3 33") == 0);
612 ASSERT (retval == strlen (result));
615 { /* FLAG_ZERO with finite number. */
618 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
619 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
620 || strcmp (result, "0x003.8p-1 33") == 0
621 || strcmp (result, "0x00007p-2 33") == 0
622 || strcmp (result, "0x0000ep-3 33") == 0);
623 ASSERT (retval == strlen (result));
626 { /* FLAG_ZERO with infinite number. */
629 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
630 /* "0000000inf 33" is not a valid result; see
631 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
632 ASSERT (strcmp (result, " inf 33") == 0);
633 ASSERT (retval == strlen (result));
636 { /* FLAG_ZERO with NaN. */
639 my_snprintf (result, sizeof (result), "%020La %d", 0.0L / 0.0L, 33, 44, 55);
640 /* "0000000nan 33" is not a valid result; see
641 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
642 ASSERT (strlen (result) == 20 + 3
643 && memcmp (result + strspn (result, " "), "nan", 3) == 0
644 && strcmp (result + strlen (result) - 3, " 33") == 0);
645 ASSERT (retval == strlen (result));
648 /* Test the support of the %f format directive. */
650 { /* A positive number. */
653 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
654 ASSERT (strcmp (result, "12.750000 33") == 0);
655 ASSERT (retval == strlen (result));
658 { /* A larger positive number. */
661 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
662 ASSERT (strcmp (result, "1234567.000000 33") == 0);
663 ASSERT (retval == strlen (result));
666 { /* Small and large positive numbers. */
667 static struct { double value; const char *string; } data[] =
669 { 1.234321234321234e-37, "0.000000" },
670 { 1.234321234321234e-36, "0.000000" },
671 { 1.234321234321234e-35, "0.000000" },
672 { 1.234321234321234e-34, "0.000000" },
673 { 1.234321234321234e-33, "0.000000" },
674 { 1.234321234321234e-32, "0.000000" },
675 { 1.234321234321234e-31, "0.000000" },
676 { 1.234321234321234e-30, "0.000000" },
677 { 1.234321234321234e-29, "0.000000" },
678 { 1.234321234321234e-28, "0.000000" },
679 { 1.234321234321234e-27, "0.000000" },
680 { 1.234321234321234e-26, "0.000000" },
681 { 1.234321234321234e-25, "0.000000" },
682 { 1.234321234321234e-24, "0.000000" },
683 { 1.234321234321234e-23, "0.000000" },
684 { 1.234321234321234e-22, "0.000000" },
685 { 1.234321234321234e-21, "0.000000" },
686 { 1.234321234321234e-20, "0.000000" },
687 { 1.234321234321234e-19, "0.000000" },
688 { 1.234321234321234e-18, "0.000000" },
689 { 1.234321234321234e-17, "0.000000" },
690 { 1.234321234321234e-16, "0.000000" },
691 { 1.234321234321234e-15, "0.000000" },
692 { 1.234321234321234e-14, "0.000000" },
693 { 1.234321234321234e-13, "0.000000" },
694 { 1.234321234321234e-12, "0.000000" },
695 { 1.234321234321234e-11, "0.000000" },
696 { 1.234321234321234e-10, "0.000000" },
697 { 1.234321234321234e-9, "0.000000" },
698 { 1.234321234321234e-8, "0.000000" },
699 { 1.234321234321234e-7, "0.000000" },
700 { 1.234321234321234e-6, "0.000001" },
701 { 1.234321234321234e-5, "0.000012" },
702 { 1.234321234321234e-4, "0.000123" },
703 { 1.234321234321234e-3, "0.001234" },
704 { 1.234321234321234e-2, "0.012343" },
705 { 1.234321234321234e-1, "0.123432" },
706 { 1.234321234321234, "1.234321" },
707 { 1.234321234321234e1, "12.343212" },
708 { 1.234321234321234e2, "123.432123" },
709 { 1.234321234321234e3, "1234.321234" },
710 { 1.234321234321234e4, "12343.212343" },
711 { 1.234321234321234e5, "123432.123432" },
712 { 1.234321234321234e6, "1234321.234321" },
713 { 1.234321234321234e7, "12343212.343212" },
714 { 1.234321234321234e8, "123432123.432123" },
715 { 1.234321234321234e9, "1234321234.321234" },
716 { 1.234321234321234e10, "12343212343.2123**" },
717 { 1.234321234321234e11, "123432123432.123***" },
718 { 1.234321234321234e12, "1234321234321.23****" },
719 { 1.234321234321234e13, "12343212343212.3*****" },
720 { 1.234321234321234e14, "123432123432123.******" },
721 { 1.234321234321234e15, "1234321234321234.000000" },
722 { 1.234321234321234e16, "123432123432123**.000000" },
723 { 1.234321234321234e17, "123432123432123***.000000" },
724 { 1.234321234321234e18, "123432123432123****.000000" },
725 { 1.234321234321234e19, "123432123432123*****.000000" },
726 { 1.234321234321234e20, "123432123432123******.000000" },
727 { 1.234321234321234e21, "123432123432123*******.000000" },
728 { 1.234321234321234e22, "123432123432123********.000000" },
729 { 1.234321234321234e23, "123432123432123*********.000000" },
730 { 1.234321234321234e24, "123432123432123**********.000000" },
731 { 1.234321234321234e25, "123432123432123***********.000000" },
732 { 1.234321234321234e26, "123432123432123************.000000" },
733 { 1.234321234321234e27, "123432123432123*************.000000" },
734 { 1.234321234321234e28, "123432123432123**************.000000" },
735 { 1.234321234321234e29, "123432123432123***************.000000" },
736 { 1.234321234321234e30, "123432123432123****************.000000" },
737 { 1.234321234321234e31, "123432123432123*****************.000000" },
738 { 1.234321234321234e32, "123432123432123******************.000000" },
739 { 1.234321234321234e33, "123432123432123*******************.000000" },
740 { 1.234321234321234e34, "123432123432123********************.000000" },
741 { 1.234321234321234e35, "123432123432123*********************.000000" },
742 { 1.234321234321234e36, "123432123432123**********************.000000" }
745 for (k = 0; k < SIZEOF (data); k++)
749 my_snprintf (result, sizeof (result), "%f", data[k].value);
750 ASSERT (strmatch (data[k].string, result));
751 ASSERT (retval == strlen (result));
755 { /* A negative number. */
758 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
759 ASSERT (strcmp (result, "-0.031250 33") == 0);
760 ASSERT (retval == strlen (result));
763 { /* Positive zero. */
766 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
767 ASSERT (strcmp (result, "0.000000 33") == 0);
768 ASSERT (retval == strlen (result));
771 { /* Negative zero. */
774 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
775 if (have_minus_zero ())
776 ASSERT (strcmp (result, "-0.000000 33") == 0);
777 ASSERT (retval == strlen (result));
780 { /* Positive infinity. */
783 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
784 ASSERT (strcmp (result, "inf 33") == 0
785 || strcmp (result, "infinity 33") == 0);
786 ASSERT (retval == strlen (result));
789 { /* Negative infinity. */
792 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
793 ASSERT (strcmp (result, "-inf 33") == 0
794 || strcmp (result, "-infinity 33") == 0);
795 ASSERT (retval == strlen (result));
801 my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
802 ASSERT (strlen (result) >= 3 + 3
803 && memcmp (result, "nan", 3) == 0
804 && strcmp (result + strlen (result) - 3, " 33") == 0);
805 ASSERT (retval == strlen (result));
811 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
812 ASSERT (result != NULL);
813 ASSERT (strcmp (result, " 1.750000 33") == 0);
814 ASSERT (retval == strlen (result));
820 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
821 ASSERT (result != NULL);
822 ASSERT (strcmp (result, "1.750000 33") == 0);
823 ASSERT (retval == strlen (result));
826 { /* FLAG_SHOWSIGN. */
829 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
830 ASSERT (result != NULL);
831 ASSERT (strcmp (result, "+1.750000 33") == 0);
832 ASSERT (retval == strlen (result));
838 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
839 ASSERT (result != NULL);
840 ASSERT (strcmp (result, " 1.750000 33") == 0);
841 ASSERT (retval == strlen (result));
847 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
848 ASSERT (result != NULL);
849 ASSERT (strcmp (result, "1.750000 33") == 0);
850 ASSERT (retval == strlen (result));
856 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
857 ASSERT (result != NULL);
858 ASSERT (strcmp (result, "2. 33") == 0);
859 ASSERT (retval == strlen (result));
862 { /* FLAG_ZERO with finite number. */
865 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
866 ASSERT (strcmp (result, "00001234.000000 33") == 0);
867 ASSERT (retval == strlen (result));
870 { /* FLAG_ZERO with infinite number. */
873 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
874 ASSERT (strcmp (result, " -inf 33") == 0
875 || strcmp (result, " -infinity 33") == 0);
876 ASSERT (retval == strlen (result));
879 { /* FLAG_ZERO with NaN. */
882 my_snprintf (result, sizeof (result), "%020f %d", NaN (), 33, 44, 55);
883 ASSERT (strlen (result) == 20 + 3
884 && memcmp (result + strspn (result, " "), "nan", 3) == 0
885 && strcmp (result + strlen (result) - 3, " 33") == 0);
886 ASSERT (retval == strlen (result));
892 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
893 ASSERT (strcmp (result, "1234 33") == 0);
894 ASSERT (retval == strlen (result));
897 { /* A positive number. */
900 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
901 ASSERT (strcmp (result, "12.750000 33") == 0);
902 ASSERT (retval == strlen (result));
905 { /* A larger positive number. */
908 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
909 ASSERT (strcmp (result, "1234567.000000 33") == 0);
910 ASSERT (retval == strlen (result));
913 { /* Small and large positive numbers. */
914 static struct { long double value; const char *string; } data[] =
916 { 1.234321234321234e-37L, "0.000000" },
917 { 1.234321234321234e-36L, "0.000000" },
918 { 1.234321234321234e-35L, "0.000000" },
919 { 1.234321234321234e-34L, "0.000000" },
920 { 1.234321234321234e-33L, "0.000000" },
921 { 1.234321234321234e-32L, "0.000000" },
922 { 1.234321234321234e-31L, "0.000000" },
923 { 1.234321234321234e-30L, "0.000000" },
924 { 1.234321234321234e-29L, "0.000000" },
925 { 1.234321234321234e-28L, "0.000000" },
926 { 1.234321234321234e-27L, "0.000000" },
927 { 1.234321234321234e-26L, "0.000000" },
928 { 1.234321234321234e-25L, "0.000000" },
929 { 1.234321234321234e-24L, "0.000000" },
930 { 1.234321234321234e-23L, "0.000000" },
931 { 1.234321234321234e-22L, "0.000000" },
932 { 1.234321234321234e-21L, "0.000000" },
933 { 1.234321234321234e-20L, "0.000000" },
934 { 1.234321234321234e-19L, "0.000000" },
935 { 1.234321234321234e-18L, "0.000000" },
936 { 1.234321234321234e-17L, "0.000000" },
937 { 1.234321234321234e-16L, "0.000000" },
938 { 1.234321234321234e-15L, "0.000000" },
939 { 1.234321234321234e-14L, "0.000000" },
940 { 1.234321234321234e-13L, "0.000000" },
941 { 1.234321234321234e-12L, "0.000000" },
942 { 1.234321234321234e-11L, "0.000000" },
943 { 1.234321234321234e-10L, "0.000000" },
944 { 1.234321234321234e-9L, "0.000000" },
945 { 1.234321234321234e-8L, "0.000000" },
946 { 1.234321234321234e-7L, "0.000000" },
947 { 1.234321234321234e-6L, "0.000001" },
948 { 1.234321234321234e-5L, "0.000012" },
949 { 1.234321234321234e-4L, "0.000123" },
950 { 1.234321234321234e-3L, "0.001234" },
951 { 1.234321234321234e-2L, "0.012343" },
952 { 1.234321234321234e-1L, "0.123432" },
953 { 1.234321234321234L, "1.234321" },
954 { 1.234321234321234e1L, "12.343212" },
955 { 1.234321234321234e2L, "123.432123" },
956 { 1.234321234321234e3L, "1234.321234" },
957 { 1.234321234321234e4L, "12343.212343" },
958 { 1.234321234321234e5L, "123432.123432" },
959 { 1.234321234321234e6L, "1234321.234321" },
960 { 1.234321234321234e7L, "12343212.343212" },
961 { 1.234321234321234e8L, "123432123.432123" },
962 { 1.234321234321234e9L, "1234321234.321234" },
963 { 1.234321234321234e10L, "12343212343.2123**" },
964 { 1.234321234321234e11L, "123432123432.123***" },
965 { 1.234321234321234e12L, "1234321234321.23****" },
966 { 1.234321234321234e13L, "12343212343212.3*****" },
967 { 1.234321234321234e14L, "123432123432123.******" },
968 { 1.234321234321234e15L, "1234321234321234.000000" },
969 { 1.234321234321234e16L, "123432123432123**.000000" },
970 { 1.234321234321234e17L, "123432123432123***.000000" },
971 { 1.234321234321234e18L, "123432123432123****.000000" },
972 { 1.234321234321234e19L, "123432123432123*****.000000" },
973 { 1.234321234321234e20L, "123432123432123******.000000" },
974 { 1.234321234321234e21L, "123432123432123*******.000000" },
975 { 1.234321234321234e22L, "123432123432123********.000000" },
976 { 1.234321234321234e23L, "123432123432123*********.000000" },
977 { 1.234321234321234e24L, "123432123432123**********.000000" },
978 { 1.234321234321234e25L, "123432123432123***********.000000" },
979 { 1.234321234321234e26L, "123432123432123************.000000" },
980 { 1.234321234321234e27L, "123432123432123*************.000000" },
981 { 1.234321234321234e28L, "123432123432123**************.000000" },
982 { 1.234321234321234e29L, "123432123432123***************.000000" },
983 { 1.234321234321234e30L, "123432123432123****************.000000" },
984 { 1.234321234321234e31L, "123432123432123*****************.000000" },
985 { 1.234321234321234e32L, "123432123432123******************.000000" },
986 { 1.234321234321234e33L, "123432123432123*******************.000000" },
987 { 1.234321234321234e34L, "123432123432123********************.000000" },
988 { 1.234321234321234e35L, "123432123432123*********************.000000" },
989 { 1.234321234321234e36L, "123432123432123**********************.000000" }
992 for (k = 0; k < SIZEOF (data); k++)
996 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
997 ASSERT (strmatch (data[k].string, result));
998 ASSERT (retval == strlen (result));
1002 { /* A negative number. */
1005 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1006 ASSERT (strcmp (result, "-0.031250 33") == 0);
1007 ASSERT (retval == strlen (result));
1010 { /* Positive zero. */
1013 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1014 ASSERT (strcmp (result, "0.000000 33") == 0);
1015 ASSERT (retval == strlen (result));
1018 { /* Negative zero. */
1021 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1022 if (have_minus_zero ())
1023 ASSERT (strcmp (result, "-0.000000 33") == 0);
1024 ASSERT (retval == strlen (result));
1027 { /* Positive infinity. */
1030 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1031 ASSERT (strcmp (result, "inf 33") == 0
1032 || strcmp (result, "infinity 33") == 0);
1033 ASSERT (retval == strlen (result));
1036 { /* Negative infinity. */
1039 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1040 ASSERT (strcmp (result, "-inf 33") == 0
1041 || strcmp (result, "-infinity 33") == 0);
1042 ASSERT (retval == strlen (result));
1046 static long double zero = 0.0L;
1049 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1050 ASSERT (strlen (result) >= 3 + 3
1051 && memcmp (result, "nan", 3) == 0
1052 && strcmp (result + strlen (result) - 3, " 33") == 0);
1053 ASSERT (retval == strlen (result));
1059 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1060 ASSERT (result != NULL);
1061 ASSERT (strcmp (result, " 1.750000 33") == 0);
1062 ASSERT (retval == strlen (result));
1068 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1069 ASSERT (result != NULL);
1070 ASSERT (strcmp (result, "1.750000 33") == 0);
1071 ASSERT (retval == strlen (result));
1074 { /* FLAG_SHOWSIGN. */
1077 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1078 ASSERT (result != NULL);
1079 ASSERT (strcmp (result, "+1.750000 33") == 0);
1080 ASSERT (retval == strlen (result));
1086 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1087 ASSERT (result != NULL);
1088 ASSERT (strcmp (result, " 1.750000 33") == 0);
1089 ASSERT (retval == strlen (result));
1095 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1096 ASSERT (result != NULL);
1097 ASSERT (strcmp (result, "1.750000 33") == 0);
1098 ASSERT (retval == strlen (result));
1104 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1105 ASSERT (result != NULL);
1106 ASSERT (strcmp (result, "2. 33") == 0);
1107 ASSERT (retval == strlen (result));
1110 { /* FLAG_ZERO with finite number. */
1113 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1114 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1115 ASSERT (retval == strlen (result));
1118 { /* FLAG_ZERO with infinite number. */
1121 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1122 ASSERT (strcmp (result, " -inf 33") == 0
1123 || strcmp (result, " -infinity 33") == 0);
1124 ASSERT (retval == strlen (result));
1127 { /* FLAG_ZERO with NaN. */
1128 static long double zero = 0.0L;
1131 my_snprintf (result, sizeof (result), "%020Lf %d", zero / zero, 33, 44, 55);
1132 ASSERT (strlen (result) == 20 + 3
1133 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1134 && strcmp (result + strlen (result) - 3, " 33") == 0);
1135 ASSERT (retval == strlen (result));
1141 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1142 ASSERT (strcmp (result, "1234 33") == 0);
1143 ASSERT (retval == strlen (result));
1146 /* Test the support of the %F format directive. */
1148 { /* A positive number. */
1151 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1152 ASSERT (strcmp (result, "12.750000 33") == 0);
1153 ASSERT (retval == strlen (result));
1156 { /* A larger positive number. */
1159 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1160 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1161 ASSERT (retval == strlen (result));
1164 { /* A negative number. */
1167 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1168 ASSERT (strcmp (result, "-0.031250 33") == 0);
1169 ASSERT (retval == strlen (result));
1172 { /* Positive zero. */
1175 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1176 ASSERT (strcmp (result, "0.000000 33") == 0);
1177 ASSERT (retval == strlen (result));
1180 { /* Negative zero. */
1183 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1184 if (have_minus_zero ())
1185 ASSERT (strcmp (result, "-0.000000 33") == 0);
1186 ASSERT (retval == strlen (result));
1189 { /* Positive infinity. */
1192 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1193 ASSERT (strcmp (result, "INF 33") == 0
1194 || strcmp (result, "INFINITY 33") == 0);
1195 ASSERT (retval == strlen (result));
1198 { /* Negative infinity. */
1201 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1202 ASSERT (strcmp (result, "-INF 33") == 0
1203 || strcmp (result, "-INFINITY 33") == 0);
1204 ASSERT (retval == strlen (result));
1210 my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1211 ASSERT (strlen (result) >= 3 + 3
1212 && memcmp (result, "NAN", 3) == 0
1213 && strcmp (result + strlen (result) - 3, " 33") == 0);
1214 ASSERT (retval == strlen (result));
1220 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1221 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1222 ASSERT (retval == strlen (result));
1225 { /* FLAG_ZERO with infinite number. */
1228 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1229 ASSERT (strcmp (result, " -INF 33") == 0
1230 || strcmp (result, " -INFINITY 33") == 0);
1231 ASSERT (retval == strlen (result));
1237 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1238 ASSERT (strcmp (result, "1234 33") == 0);
1239 ASSERT (retval == strlen (result));
1242 { /* A positive number. */
1245 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1246 ASSERT (strcmp (result, "12.750000 33") == 0);
1247 ASSERT (retval == strlen (result));
1250 { /* A larger positive number. */
1253 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1254 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1255 ASSERT (retval == strlen (result));
1258 { /* A negative number. */
1261 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1262 ASSERT (strcmp (result, "-0.031250 33") == 0);
1263 ASSERT (retval == strlen (result));
1266 { /* Positive zero. */
1269 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1270 ASSERT (strcmp (result, "0.000000 33") == 0);
1271 ASSERT (retval == strlen (result));
1274 { /* Negative zero. */
1277 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1278 if (have_minus_zero ())
1279 ASSERT (strcmp (result, "-0.000000 33") == 0);
1280 ASSERT (retval == strlen (result));
1283 { /* Positive infinity. */
1286 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1287 ASSERT (strcmp (result, "INF 33") == 0
1288 || strcmp (result, "INFINITY 33") == 0);
1289 ASSERT (retval == strlen (result));
1292 { /* Negative 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));
1302 static long double zero = 0.0L;
1305 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1306 ASSERT (strlen (result) >= 3 + 3
1307 && memcmp (result, "NAN", 3) == 0
1308 && strcmp (result + strlen (result) - 3, " 33") == 0);
1309 ASSERT (retval == strlen (result));
1315 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1316 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1317 ASSERT (retval == strlen (result));
1320 { /* FLAG_ZERO with infinite number. */
1323 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1324 ASSERT (strcmp (result, " -INF 33") == 0
1325 || strcmp (result, " -INFINITY 33") == 0);
1326 ASSERT (retval == strlen (result));
1332 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1333 ASSERT (strcmp (result, "1234 33") == 0);
1334 ASSERT (retval == strlen (result));
1337 /* Test the support of the %e format directive. */
1339 { /* A positive number. */
1342 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1343 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1344 || strcmp (result, "1.275000e+001 33") == 0);
1345 ASSERT (retval == strlen (result));
1348 { /* A larger positive number. */
1351 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1352 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1353 || strcmp (result, "1.234567e+006 33") == 0);
1354 ASSERT (retval == strlen (result));
1357 { /* Small and large positive numbers. */
1358 static struct { double value; const char *string; } data[] =
1360 { 1.234321234321234e-37, "1.234321e-37" },
1361 { 1.234321234321234e-36, "1.234321e-36" },
1362 { 1.234321234321234e-35, "1.234321e-35" },
1363 { 1.234321234321234e-34, "1.234321e-34" },
1364 { 1.234321234321234e-33, "1.234321e-33" },
1365 { 1.234321234321234e-32, "1.234321e-32" },
1366 { 1.234321234321234e-31, "1.234321e-31" },
1367 { 1.234321234321234e-30, "1.234321e-30" },
1368 { 1.234321234321234e-29, "1.234321e-29" },
1369 { 1.234321234321234e-28, "1.234321e-28" },
1370 { 1.234321234321234e-27, "1.234321e-27" },
1371 { 1.234321234321234e-26, "1.234321e-26" },
1372 { 1.234321234321234e-25, "1.234321e-25" },
1373 { 1.234321234321234e-24, "1.234321e-24" },
1374 { 1.234321234321234e-23, "1.234321e-23" },
1375 { 1.234321234321234e-22, "1.234321e-22" },
1376 { 1.234321234321234e-21, "1.234321e-21" },
1377 { 1.234321234321234e-20, "1.234321e-20" },
1378 { 1.234321234321234e-19, "1.234321e-19" },
1379 { 1.234321234321234e-18, "1.234321e-18" },
1380 { 1.234321234321234e-17, "1.234321e-17" },
1381 { 1.234321234321234e-16, "1.234321e-16" },
1382 { 1.234321234321234e-15, "1.234321e-15" },
1383 { 1.234321234321234e-14, "1.234321e-14" },
1384 { 1.234321234321234e-13, "1.234321e-13" },
1385 { 1.234321234321234e-12, "1.234321e-12" },
1386 { 1.234321234321234e-11, "1.234321e-11" },
1387 { 1.234321234321234e-10, "1.234321e-10" },
1388 { 1.234321234321234e-9, "1.234321e-09" },
1389 { 1.234321234321234e-8, "1.234321e-08" },
1390 { 1.234321234321234e-7, "1.234321e-07" },
1391 { 1.234321234321234e-6, "1.234321e-06" },
1392 { 1.234321234321234e-5, "1.234321e-05" },
1393 { 1.234321234321234e-4, "1.234321e-04" },
1394 { 1.234321234321234e-3, "1.234321e-03" },
1395 { 1.234321234321234e-2, "1.234321e-02" },
1396 { 1.234321234321234e-1, "1.234321e-01" },
1397 { 1.234321234321234, "1.234321e+00" },
1398 { 1.234321234321234e1, "1.234321e+01" },
1399 { 1.234321234321234e2, "1.234321e+02" },
1400 { 1.234321234321234e3, "1.234321e+03" },
1401 { 1.234321234321234e4, "1.234321e+04" },
1402 { 1.234321234321234e5, "1.234321e+05" },
1403 { 1.234321234321234e6, "1.234321e+06" },
1404 { 1.234321234321234e7, "1.234321e+07" },
1405 { 1.234321234321234e8, "1.234321e+08" },
1406 { 1.234321234321234e9, "1.234321e+09" },
1407 { 1.234321234321234e10, "1.234321e+10" },
1408 { 1.234321234321234e11, "1.234321e+11" },
1409 { 1.234321234321234e12, "1.234321e+12" },
1410 { 1.234321234321234e13, "1.234321e+13" },
1411 { 1.234321234321234e14, "1.234321e+14" },
1412 { 1.234321234321234e15, "1.234321e+15" },
1413 { 1.234321234321234e16, "1.234321e+16" },
1414 { 1.234321234321234e17, "1.234321e+17" },
1415 { 1.234321234321234e18, "1.234321e+18" },
1416 { 1.234321234321234e19, "1.234321e+19" },
1417 { 1.234321234321234e20, "1.234321e+20" },
1418 { 1.234321234321234e21, "1.234321e+21" },
1419 { 1.234321234321234e22, "1.234321e+22" },
1420 { 1.234321234321234e23, "1.234321e+23" },
1421 { 1.234321234321234e24, "1.234321e+24" },
1422 { 1.234321234321234e25, "1.234321e+25" },
1423 { 1.234321234321234e26, "1.234321e+26" },
1424 { 1.234321234321234e27, "1.234321e+27" },
1425 { 1.234321234321234e28, "1.234321e+28" },
1426 { 1.234321234321234e29, "1.234321e+29" },
1427 { 1.234321234321234e30, "1.234321e+30" },
1428 { 1.234321234321234e31, "1.234321e+31" },
1429 { 1.234321234321234e32, "1.234321e+32" },
1430 { 1.234321234321234e33, "1.234321e+33" },
1431 { 1.234321234321234e34, "1.234321e+34" },
1432 { 1.234321234321234e35, "1.234321e+35" },
1433 { 1.234321234321234e36, "1.234321e+36" }
1436 for (k = 0; k < SIZEOF (data); k++)
1440 my_snprintf (result, sizeof (result), "%e", data[k].value);
1441 const char *expected = data[k].string;
1442 ASSERT (result != NULL);
1443 ASSERT (strcmp (result, expected) == 0
1444 /* Some implementations produce exponents with 3 digits. */
1445 || (strlen (result) == strlen (expected) + 1
1446 && memcmp (result, expected, strlen (expected) - 2) == 0
1447 && result[strlen (expected) - 2] == '0'
1448 && strcmp (result + strlen (expected) - 1,
1449 expected + strlen (expected) - 2)
1451 ASSERT (retval == strlen (result));
1455 { /* A negative number. */
1458 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1459 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1460 || strcmp (result, "-3.125000e-002 33") == 0);
1461 ASSERT (retval == strlen (result));
1464 { /* Positive zero. */
1467 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1468 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1469 || strcmp (result, "0.000000e+000 33") == 0);
1470 ASSERT (retval == strlen (result));
1473 { /* Negative zero. */
1476 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1477 if (have_minus_zero ())
1478 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1479 || strcmp (result, "-0.000000e+000 33") == 0);
1480 ASSERT (retval == strlen (result));
1483 { /* Positive infinity. */
1486 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1487 ASSERT (strcmp (result, "inf 33") == 0
1488 || strcmp (result, "infinity 33") == 0);
1489 ASSERT (retval == strlen (result));
1492 { /* Negative infinity. */
1495 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1496 ASSERT (strcmp (result, "-inf 33") == 0
1497 || strcmp (result, "-infinity 33") == 0);
1498 ASSERT (retval == strlen (result));
1504 my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1505 ASSERT (strlen (result) >= 3 + 3
1506 && memcmp (result, "nan", 3) == 0
1507 && strcmp (result + strlen (result) - 3, " 33") == 0);
1508 ASSERT (retval == strlen (result));
1514 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1515 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1516 || strcmp (result, " 1.750000e+000 33") == 0);
1517 ASSERT (retval == strlen (result));
1523 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1524 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1525 || strcmp (result, "1.750000e+000 33") == 0);
1526 ASSERT (retval == strlen (result));
1529 { /* FLAG_SHOWSIGN. */
1532 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1533 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1534 || strcmp (result, "+1.750000e+000 33") == 0);
1535 ASSERT (retval == strlen (result));
1541 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1542 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1543 || strcmp (result, " 1.750000e+000 33") == 0);
1544 ASSERT (retval == strlen (result));
1550 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1551 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1552 || strcmp (result, "1.750000e+000 33") == 0);
1553 ASSERT (retval == strlen (result));
1559 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1560 ASSERT (strcmp (result, "2.e+00 33") == 0
1561 || strcmp (result, "2.e+000 33") == 0);
1562 ASSERT (retval == strlen (result));
1568 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1569 ASSERT (strcmp (result, "1.e+01 33") == 0
1570 || strcmp (result, "1.e+001 33") == 0);
1571 ASSERT (retval == strlen (result));
1574 { /* FLAG_ZERO with finite number. */
1577 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1578 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1579 || strcmp (result, "001.234000e+003 33") == 0);
1580 ASSERT (retval == strlen (result));
1583 { /* FLAG_ZERO with infinite number. */
1586 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1587 ASSERT (strcmp (result, " -inf 33") == 0
1588 || strcmp (result, " -infinity 33") == 0);
1589 ASSERT (retval == strlen (result));
1592 { /* FLAG_ZERO with NaN. */
1595 my_snprintf (result, sizeof (result), "%020e %d", NaN (), 33, 44, 55);
1596 ASSERT (strlen (result) == 20 + 3
1597 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1598 && strcmp (result + strlen (result) - 3, " 33") == 0);
1599 ASSERT (retval == strlen (result));
1605 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1606 ASSERT (strcmp (result, "1e+03 33") == 0
1607 || strcmp (result, "1e+003 33") == 0);
1608 ASSERT (retval == strlen (result));
1611 { /* A positive number. */
1614 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1615 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1616 ASSERT (retval == strlen (result));
1619 { /* A larger positive number. */
1622 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1623 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1624 ASSERT (retval == strlen (result));
1627 { /* Small and large positive numbers. */
1628 static struct { long double value; const char *string; } data[] =
1630 { 1.234321234321234e-37L, "1.234321e-37" },
1631 { 1.234321234321234e-36L, "1.234321e-36" },
1632 { 1.234321234321234e-35L, "1.234321e-35" },
1633 { 1.234321234321234e-34L, "1.234321e-34" },
1634 { 1.234321234321234e-33L, "1.234321e-33" },
1635 { 1.234321234321234e-32L, "1.234321e-32" },
1636 { 1.234321234321234e-31L, "1.234321e-31" },
1637 { 1.234321234321234e-30L, "1.234321e-30" },
1638 { 1.234321234321234e-29L, "1.234321e-29" },
1639 { 1.234321234321234e-28L, "1.234321e-28" },
1640 { 1.234321234321234e-27L, "1.234321e-27" },
1641 { 1.234321234321234e-26L, "1.234321e-26" },
1642 { 1.234321234321234e-25L, "1.234321e-25" },
1643 { 1.234321234321234e-24L, "1.234321e-24" },
1644 { 1.234321234321234e-23L, "1.234321e-23" },
1645 { 1.234321234321234e-22L, "1.234321e-22" },
1646 { 1.234321234321234e-21L, "1.234321e-21" },
1647 { 1.234321234321234e-20L, "1.234321e-20" },
1648 { 1.234321234321234e-19L, "1.234321e-19" },
1649 { 1.234321234321234e-18L, "1.234321e-18" },
1650 { 1.234321234321234e-17L, "1.234321e-17" },
1651 { 1.234321234321234e-16L, "1.234321e-16" },
1652 { 1.234321234321234e-15L, "1.234321e-15" },
1653 { 1.234321234321234e-14L, "1.234321e-14" },
1654 { 1.234321234321234e-13L, "1.234321e-13" },
1655 { 1.234321234321234e-12L, "1.234321e-12" },
1656 { 1.234321234321234e-11L, "1.234321e-11" },
1657 { 1.234321234321234e-10L, "1.234321e-10" },
1658 { 1.234321234321234e-9L, "1.234321e-09" },
1659 { 1.234321234321234e-8L, "1.234321e-08" },
1660 { 1.234321234321234e-7L, "1.234321e-07" },
1661 { 1.234321234321234e-6L, "1.234321e-06" },
1662 { 1.234321234321234e-5L, "1.234321e-05" },
1663 { 1.234321234321234e-4L, "1.234321e-04" },
1664 { 1.234321234321234e-3L, "1.234321e-03" },
1665 { 1.234321234321234e-2L, "1.234321e-02" },
1666 { 1.234321234321234e-1L, "1.234321e-01" },
1667 { 1.234321234321234L, "1.234321e+00" },
1668 { 1.234321234321234e1L, "1.234321e+01" },
1669 { 1.234321234321234e2L, "1.234321e+02" },
1670 { 1.234321234321234e3L, "1.234321e+03" },
1671 { 1.234321234321234e4L, "1.234321e+04" },
1672 { 1.234321234321234e5L, "1.234321e+05" },
1673 { 1.234321234321234e6L, "1.234321e+06" },
1674 { 1.234321234321234e7L, "1.234321e+07" },
1675 { 1.234321234321234e8L, "1.234321e+08" },
1676 { 1.234321234321234e9L, "1.234321e+09" },
1677 { 1.234321234321234e10L, "1.234321e+10" },
1678 { 1.234321234321234e11L, "1.234321e+11" },
1679 { 1.234321234321234e12L, "1.234321e+12" },
1680 { 1.234321234321234e13L, "1.234321e+13" },
1681 { 1.234321234321234e14L, "1.234321e+14" },
1682 { 1.234321234321234e15L, "1.234321e+15" },
1683 { 1.234321234321234e16L, "1.234321e+16" },
1684 { 1.234321234321234e17L, "1.234321e+17" },
1685 { 1.234321234321234e18L, "1.234321e+18" },
1686 { 1.234321234321234e19L, "1.234321e+19" },
1687 { 1.234321234321234e20L, "1.234321e+20" },
1688 { 1.234321234321234e21L, "1.234321e+21" },
1689 { 1.234321234321234e22L, "1.234321e+22" },
1690 { 1.234321234321234e23L, "1.234321e+23" },
1691 { 1.234321234321234e24L, "1.234321e+24" },
1692 { 1.234321234321234e25L, "1.234321e+25" },
1693 { 1.234321234321234e26L, "1.234321e+26" },
1694 { 1.234321234321234e27L, "1.234321e+27" },
1695 { 1.234321234321234e28L, "1.234321e+28" },
1696 { 1.234321234321234e29L, "1.234321e+29" },
1697 { 1.234321234321234e30L, "1.234321e+30" },
1698 { 1.234321234321234e31L, "1.234321e+31" },
1699 { 1.234321234321234e32L, "1.234321e+32" },
1700 { 1.234321234321234e33L, "1.234321e+33" },
1701 { 1.234321234321234e34L, "1.234321e+34" },
1702 { 1.234321234321234e35L, "1.234321e+35" },
1703 { 1.234321234321234e36L, "1.234321e+36" }
1706 for (k = 0; k < SIZEOF (data); k++)
1710 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1711 ASSERT (strcmp (result, data[k].string) == 0);
1712 ASSERT (retval == strlen (result));
1716 { /* A negative number. */
1719 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1720 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1721 ASSERT (retval == strlen (result));
1724 { /* Positive zero. */
1727 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1728 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1729 ASSERT (retval == strlen (result));
1732 { /* Negative zero. */
1735 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1736 if (have_minus_zero ())
1737 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1738 ASSERT (retval == strlen (result));
1741 { /* Positive infinity. */
1744 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1745 ASSERT (strcmp (result, "inf 33") == 0
1746 || strcmp (result, "infinity 33") == 0);
1747 ASSERT (retval == strlen (result));
1750 { /* Negative infinity. */
1753 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1754 ASSERT (strcmp (result, "-inf 33") == 0
1755 || strcmp (result, "-infinity 33") == 0);
1756 ASSERT (retval == strlen (result));
1760 static long double zero = 0.0L;
1763 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1764 ASSERT (strlen (result) >= 3 + 3
1765 && memcmp (result, "nan", 3) == 0
1766 && strcmp (result + strlen (result) - 3, " 33") == 0);
1767 ASSERT (retval == strlen (result));
1773 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
1774 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1775 ASSERT (retval == strlen (result));
1781 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
1782 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1783 ASSERT (retval == strlen (result));
1786 { /* FLAG_SHOWSIGN. */
1789 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
1790 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
1791 ASSERT (retval == strlen (result));
1797 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
1798 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1799 ASSERT (retval == strlen (result));
1805 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
1806 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1807 ASSERT (retval == strlen (result));
1813 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
1814 ASSERT (strcmp (result, "2.e+00 33") == 0);
1815 ASSERT (retval == strlen (result));
1821 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
1822 ASSERT (strcmp (result, "1.e+01 33") == 0);
1823 ASSERT (retval == strlen (result));
1826 { /* FLAG_ZERO with finite number. */
1829 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
1830 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
1831 ASSERT (retval == strlen (result));
1834 { /* FLAG_ZERO with infinite number. */
1837 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
1838 ASSERT (strcmp (result, " -inf 33") == 0
1839 || strcmp (result, " -infinity 33") == 0);
1840 ASSERT (retval == strlen (result));
1843 { /* FLAG_ZERO with NaN. */
1844 static long double zero = 0.0L;
1847 my_snprintf (result, sizeof (result), "%020Le %d", zero / zero, 33, 44, 55);
1848 ASSERT (strlen (result) == 20 + 3
1849 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1850 && strcmp (result + strlen (result) - 3, " 33") == 0);
1851 ASSERT (retval == strlen (result));
1857 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
1858 ASSERT (strcmp (result, "1e+03 33") == 0);
1859 ASSERT (retval == strlen (result));
1862 /* Test the support of the %g format directive. */
1864 { /* A positive number. */
1867 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
1868 ASSERT (strcmp (result, "12.75 33") == 0);
1869 ASSERT (retval == strlen (result));
1872 { /* A larger positive number. */
1875 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
1876 ASSERT (strcmp (result, "1.23457e+06 33") == 0
1877 || strcmp (result, "1.23457e+006 33") == 0);
1878 ASSERT (retval == strlen (result));
1881 { /* Small and large positive numbers. */
1882 static struct { double value; const char *string; } data[] =
1884 { 1.234321234321234e-37, "1.23432e-37" },
1885 { 1.234321234321234e-36, "1.23432e-36" },
1886 { 1.234321234321234e-35, "1.23432e-35" },
1887 { 1.234321234321234e-34, "1.23432e-34" },
1888 { 1.234321234321234e-33, "1.23432e-33" },
1889 { 1.234321234321234e-32, "1.23432e-32" },
1890 { 1.234321234321234e-31, "1.23432e-31" },
1891 { 1.234321234321234e-30, "1.23432e-30" },
1892 { 1.234321234321234e-29, "1.23432e-29" },
1893 { 1.234321234321234e-28, "1.23432e-28" },
1894 { 1.234321234321234e-27, "1.23432e-27" },
1895 { 1.234321234321234e-26, "1.23432e-26" },
1896 { 1.234321234321234e-25, "1.23432e-25" },
1897 { 1.234321234321234e-24, "1.23432e-24" },
1898 { 1.234321234321234e-23, "1.23432e-23" },
1899 { 1.234321234321234e-22, "1.23432e-22" },
1900 { 1.234321234321234e-21, "1.23432e-21" },
1901 { 1.234321234321234e-20, "1.23432e-20" },
1902 { 1.234321234321234e-19, "1.23432e-19" },
1903 { 1.234321234321234e-18, "1.23432e-18" },
1904 { 1.234321234321234e-17, "1.23432e-17" },
1905 { 1.234321234321234e-16, "1.23432e-16" },
1906 { 1.234321234321234e-15, "1.23432e-15" },
1907 { 1.234321234321234e-14, "1.23432e-14" },
1908 { 1.234321234321234e-13, "1.23432e-13" },
1909 { 1.234321234321234e-12, "1.23432e-12" },
1910 { 1.234321234321234e-11, "1.23432e-11" },
1911 { 1.234321234321234e-10, "1.23432e-10" },
1912 { 1.234321234321234e-9, "1.23432e-09" },
1913 { 1.234321234321234e-8, "1.23432e-08" },
1914 { 1.234321234321234e-7, "1.23432e-07" },
1915 { 1.234321234321234e-6, "1.23432e-06" },
1916 { 1.234321234321234e-5, "1.23432e-05" },
1917 { 1.234321234321234e-4, "0.000123432" },
1918 { 1.234321234321234e-3, "0.00123432" },
1919 { 1.234321234321234e-2, "0.0123432" },
1920 { 1.234321234321234e-1, "0.123432" },
1921 { 1.234321234321234, "1.23432" },
1922 { 1.234321234321234e1, "12.3432" },
1923 { 1.234321234321234e2, "123.432" },
1924 { 1.234321234321234e3, "1234.32" },
1925 { 1.234321234321234e4, "12343.2" },
1926 { 1.234321234321234e5, "123432" },
1927 { 1.234321234321234e6, "1.23432e+06" },
1928 { 1.234321234321234e7, "1.23432e+07" },
1929 { 1.234321234321234e8, "1.23432e+08" },
1930 { 1.234321234321234e9, "1.23432e+09" },
1931 { 1.234321234321234e10, "1.23432e+10" },
1932 { 1.234321234321234e11, "1.23432e+11" },
1933 { 1.234321234321234e12, "1.23432e+12" },
1934 { 1.234321234321234e13, "1.23432e+13" },
1935 { 1.234321234321234e14, "1.23432e+14" },
1936 { 1.234321234321234e15, "1.23432e+15" },
1937 { 1.234321234321234e16, "1.23432e+16" },
1938 { 1.234321234321234e17, "1.23432e+17" },
1939 { 1.234321234321234e18, "1.23432e+18" },
1940 { 1.234321234321234e19, "1.23432e+19" },
1941 { 1.234321234321234e20, "1.23432e+20" },
1942 { 1.234321234321234e21, "1.23432e+21" },
1943 { 1.234321234321234e22, "1.23432e+22" },
1944 { 1.234321234321234e23, "1.23432e+23" },
1945 { 1.234321234321234e24, "1.23432e+24" },
1946 { 1.234321234321234e25, "1.23432e+25" },
1947 { 1.234321234321234e26, "1.23432e+26" },
1948 { 1.234321234321234e27, "1.23432e+27" },
1949 { 1.234321234321234e28, "1.23432e+28" },
1950 { 1.234321234321234e29, "1.23432e+29" },
1951 { 1.234321234321234e30, "1.23432e+30" },
1952 { 1.234321234321234e31, "1.23432e+31" },
1953 { 1.234321234321234e32, "1.23432e+32" },
1954 { 1.234321234321234e33, "1.23432e+33" },
1955 { 1.234321234321234e34, "1.23432e+34" },
1956 { 1.234321234321234e35, "1.23432e+35" },
1957 { 1.234321234321234e36, "1.23432e+36" }
1960 for (k = 0; k < SIZEOF (data); k++)
1964 my_snprintf (result, sizeof (result), "%g", data[k].value);
1965 const char *expected = data[k].string;
1966 ASSERT (strcmp (result, expected) == 0
1967 /* Some implementations produce exponents with 3 digits. */
1968 || (expected[strlen (expected) - 4] == 'e'
1969 && strlen (result) == strlen (expected) + 1
1970 && memcmp (result, expected, strlen (expected) - 2) == 0
1971 && result[strlen (expected) - 2] == '0'
1972 && strcmp (result + strlen (expected) - 1,
1973 expected + strlen (expected) - 2)
1975 ASSERT (retval == strlen (result));
1979 { /* A negative number. */
1982 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
1983 ASSERT (strcmp (result, "-0.03125 33") == 0);
1984 ASSERT (retval == strlen (result));
1987 { /* Positive zero. */
1990 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
1991 ASSERT (strcmp (result, "0 33") == 0);
1992 ASSERT (retval == strlen (result));
1995 { /* Negative zero. */
1998 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
1999 if (have_minus_zero ())
2000 ASSERT (strcmp (result, "-0 33") == 0);
2001 ASSERT (retval == strlen (result));
2004 { /* Positive infinity. */
2007 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2008 ASSERT (strcmp (result, "inf 33") == 0
2009 || strcmp (result, "infinity 33") == 0);
2010 ASSERT (retval == strlen (result));
2013 { /* Negative infinity. */
2016 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2017 ASSERT (strcmp (result, "-inf 33") == 0
2018 || strcmp (result, "-infinity 33") == 0);
2019 ASSERT (retval == strlen (result));
2025 my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2026 ASSERT (strlen (result) >= 3 + 3
2027 && memcmp (result, "nan", 3) == 0
2028 && strcmp (result + strlen (result) - 3, " 33") == 0);
2029 ASSERT (retval == strlen (result));
2035 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2036 ASSERT (strcmp (result, " 1.75 33") == 0);
2037 ASSERT (retval == strlen (result));
2043 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2044 ASSERT (strcmp (result, "1.75 33") == 0);
2045 ASSERT (retval == strlen (result));
2048 { /* FLAG_SHOWSIGN. */
2051 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2052 ASSERT (strcmp (result, "+1.75 33") == 0);
2053 ASSERT (retval == strlen (result));
2059 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2060 ASSERT (strcmp (result, " 1.75 33") == 0);
2061 ASSERT (retval == strlen (result));
2067 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2068 ASSERT (strcmp (result, "1.75000 33") == 0);
2069 ASSERT (retval == strlen (result));
2075 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2076 ASSERT (strcmp (result, "2. 33") == 0);
2077 ASSERT (retval == strlen (result));
2083 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2084 ASSERT (strcmp (result, "1.e+01 33") == 0
2085 || strcmp (result, "1.e+001 33") == 0);
2086 ASSERT (retval == strlen (result));
2089 { /* FLAG_ZERO with finite number. */
2092 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2093 ASSERT (strcmp (result, "0000001234 33") == 0);
2094 ASSERT (retval == strlen (result));
2097 { /* FLAG_ZERO with infinite number. */
2100 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2101 ASSERT (strcmp (result, " -inf 33") == 0
2102 || strcmp (result, " -infinity 33") == 0);
2103 ASSERT (retval == strlen (result));
2106 { /* FLAG_ZERO with NaN. */
2109 my_snprintf (result, sizeof (result), "%020g %d", NaN (), 33, 44, 55);
2110 ASSERT (strlen (result) == 20 + 3
2111 && memcmp (result + strspn (result, " "), "nan", 3) == 0
2112 && strcmp (result + strlen (result) - 3, " 33") == 0);
2113 ASSERT (retval == strlen (result));
2119 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2120 ASSERT (strcmp (result, "1e+03 33") == 0
2121 || strcmp (result, "1e+003 33") == 0);
2122 ASSERT (retval == strlen (result));
2125 { /* A positive number. */
2128 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2129 ASSERT (strcmp (result, "12.75 33") == 0);
2130 ASSERT (retval == strlen (result));
2133 { /* A larger positive number. */
2136 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2137 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2138 ASSERT (retval == strlen (result));
2141 { /* Small and large positive numbers. */
2142 static struct { long double value; const char *string; } data[] =
2144 { 1.234321234321234e-37L, "1.23432e-37" },
2145 { 1.234321234321234e-36L, "1.23432e-36" },
2146 { 1.234321234321234e-35L, "1.23432e-35" },
2147 { 1.234321234321234e-34L, "1.23432e-34" },
2148 { 1.234321234321234e-33L, "1.23432e-33" },
2149 { 1.234321234321234e-32L, "1.23432e-32" },
2150 { 1.234321234321234e-31L, "1.23432e-31" },
2151 { 1.234321234321234e-30L, "1.23432e-30" },
2152 { 1.234321234321234e-29L, "1.23432e-29" },
2153 { 1.234321234321234e-28L, "1.23432e-28" },
2154 { 1.234321234321234e-27L, "1.23432e-27" },
2155 { 1.234321234321234e-26L, "1.23432e-26" },
2156 { 1.234321234321234e-25L, "1.23432e-25" },
2157 { 1.234321234321234e-24L, "1.23432e-24" },
2158 { 1.234321234321234e-23L, "1.23432e-23" },
2159 { 1.234321234321234e-22L, "1.23432e-22" },
2160 { 1.234321234321234e-21L, "1.23432e-21" },
2161 { 1.234321234321234e-20L, "1.23432e-20" },
2162 { 1.234321234321234e-19L, "1.23432e-19" },
2163 { 1.234321234321234e-18L, "1.23432e-18" },
2164 { 1.234321234321234e-17L, "1.23432e-17" },
2165 { 1.234321234321234e-16L, "1.23432e-16" },
2166 { 1.234321234321234e-15L, "1.23432e-15" },
2167 { 1.234321234321234e-14L, "1.23432e-14" },
2168 { 1.234321234321234e-13L, "1.23432e-13" },
2169 { 1.234321234321234e-12L, "1.23432e-12" },
2170 { 1.234321234321234e-11L, "1.23432e-11" },
2171 { 1.234321234321234e-10L, "1.23432e-10" },
2172 { 1.234321234321234e-9L, "1.23432e-09" },
2173 { 1.234321234321234e-8L, "1.23432e-08" },
2174 { 1.234321234321234e-7L, "1.23432e-07" },
2175 { 1.234321234321234e-6L, "1.23432e-06" },
2176 { 1.234321234321234e-5L, "1.23432e-05" },
2177 { 1.234321234321234e-4L, "0.000123432" },
2178 { 1.234321234321234e-3L, "0.00123432" },
2179 { 1.234321234321234e-2L, "0.0123432" },
2180 { 1.234321234321234e-1L, "0.123432" },
2181 { 1.234321234321234L, "1.23432" },
2182 { 1.234321234321234e1L, "12.3432" },
2183 { 1.234321234321234e2L, "123.432" },
2184 { 1.234321234321234e3L, "1234.32" },
2185 { 1.234321234321234e4L, "12343.2" },
2186 { 1.234321234321234e5L, "123432" },
2187 { 1.234321234321234e6L, "1.23432e+06" },
2188 { 1.234321234321234e7L, "1.23432e+07" },
2189 { 1.234321234321234e8L, "1.23432e+08" },
2190 { 1.234321234321234e9L, "1.23432e+09" },
2191 { 1.234321234321234e10L, "1.23432e+10" },
2192 { 1.234321234321234e11L, "1.23432e+11" },
2193 { 1.234321234321234e12L, "1.23432e+12" },
2194 { 1.234321234321234e13L, "1.23432e+13" },
2195 { 1.234321234321234e14L, "1.23432e+14" },
2196 { 1.234321234321234e15L, "1.23432e+15" },
2197 { 1.234321234321234e16L, "1.23432e+16" },
2198 { 1.234321234321234e17L, "1.23432e+17" },
2199 { 1.234321234321234e18L, "1.23432e+18" },
2200 { 1.234321234321234e19L, "1.23432e+19" },
2201 { 1.234321234321234e20L, "1.23432e+20" },
2202 { 1.234321234321234e21L, "1.23432e+21" },
2203 { 1.234321234321234e22L, "1.23432e+22" },
2204 { 1.234321234321234e23L, "1.23432e+23" },
2205 { 1.234321234321234e24L, "1.23432e+24" },
2206 { 1.234321234321234e25L, "1.23432e+25" },
2207 { 1.234321234321234e26L, "1.23432e+26" },
2208 { 1.234321234321234e27L, "1.23432e+27" },
2209 { 1.234321234321234e28L, "1.23432e+28" },
2210 { 1.234321234321234e29L, "1.23432e+29" },
2211 { 1.234321234321234e30L, "1.23432e+30" },
2212 { 1.234321234321234e31L, "1.23432e+31" },
2213 { 1.234321234321234e32L, "1.23432e+32" },
2214 { 1.234321234321234e33L, "1.23432e+33" },
2215 { 1.234321234321234e34L, "1.23432e+34" },
2216 { 1.234321234321234e35L, "1.23432e+35" },
2217 { 1.234321234321234e36L, "1.23432e+36" }
2220 for (k = 0; k < SIZEOF (data); k++)
2224 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2225 ASSERT (strcmp (result, data[k].string) == 0);
2226 ASSERT (retval == strlen (result));
2230 { /* A negative number. */
2233 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2234 ASSERT (strcmp (result, "-0.03125 33") == 0);
2235 ASSERT (retval == strlen (result));
2238 { /* Positive zero. */
2241 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2242 ASSERT (strcmp (result, "0 33") == 0);
2243 ASSERT (retval == strlen (result));
2246 { /* Negative zero. */
2249 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2250 if (have_minus_zero ())
2251 ASSERT (strcmp (result, "-0 33") == 0);
2252 ASSERT (retval == strlen (result));
2255 { /* Positive infinity. */
2258 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2259 ASSERT (strcmp (result, "inf 33") == 0
2260 || strcmp (result, "infinity 33") == 0);
2261 ASSERT (retval == strlen (result));
2264 { /* Negative infinity. */
2267 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2268 ASSERT (strcmp (result, "-inf 33") == 0
2269 || strcmp (result, "-infinity 33") == 0);
2270 ASSERT (retval == strlen (result));
2274 static long double zero = 0.0L;
2277 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2278 ASSERT (strlen (result) >= 3 + 3
2279 && memcmp (result, "nan", 3) == 0
2280 && strcmp (result + strlen (result) - 3, " 33") == 0);
2281 ASSERT (retval == strlen (result));
2287 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2288 ASSERT (strcmp (result, " 1.75 33") == 0);
2289 ASSERT (retval == strlen (result));
2295 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2296 ASSERT (strcmp (result, "1.75 33") == 0);
2297 ASSERT (retval == strlen (result));
2300 { /* FLAG_SHOWSIGN. */
2303 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2304 ASSERT (strcmp (result, "+1.75 33") == 0);
2305 ASSERT (retval == strlen (result));
2311 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2312 ASSERT (strcmp (result, " 1.75 33") == 0);
2313 ASSERT (retval == strlen (result));
2319 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2320 ASSERT (strcmp (result, "1.75000 33") == 0);
2321 ASSERT (retval == strlen (result));
2327 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2328 ASSERT (strcmp (result, "2. 33") == 0);
2329 ASSERT (retval == strlen (result));
2335 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2336 ASSERT (strcmp (result, "1.e+01 33") == 0);
2337 ASSERT (retval == strlen (result));
2340 { /* FLAG_ZERO with finite number. */
2343 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2344 ASSERT (strcmp (result, "0000001234 33") == 0);
2345 ASSERT (retval == strlen (result));
2348 { /* FLAG_ZERO with infinite number. */
2351 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2352 ASSERT (strcmp (result, " -inf 33") == 0
2353 || strcmp (result, " -infinity 33") == 0);
2354 ASSERT (retval == strlen (result));
2357 { /* FLAG_ZERO with NaN. */
2358 static long double zero = 0.0L;
2361 my_snprintf (result, sizeof (result), "%020Lg %d", zero / zero, 33, 44, 55);
2362 ASSERT (strlen (result) == 20 + 3
2363 && memcmp (result + strspn (result, " "), "nan", 3) == 0
2364 && strcmp (result + strlen (result) - 3, " 33") == 0);
2365 ASSERT (retval == strlen (result));
2371 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2372 ASSERT (strcmp (result, "1e+03 33") == 0);
2373 ASSERT (retval == strlen (result));
2376 /* Test the support of the %n format directive. */
2382 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2383 ASSERT (strcmp (result, "123 ") == 0);
2384 ASSERT (retval == strlen (result));
2385 ASSERT (count == 4);
2388 /* Test the support of the POSIX/XSI format strings with positions. */
2393 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2394 ASSERT (strcmp (result, "55 33") == 0);
2395 ASSERT (retval == strlen (result));
2398 /* Test the support of the grouping flag. */
2403 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2404 ASSERT (result[strlen (result) - 1] == '9');
2405 ASSERT (retval == strlen (result));