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)
33 strmatch (const char *pattern, const char *string)
35 if (strlen (pattern) != strlen (string))
37 for (; *pattern != '\0'; pattern++, string++)
38 if (*pattern != '*' && *string != *pattern)
44 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
49 /* Test return value convention. */
51 for (size = 0; size <= 8; size++)
55 memcpy (buf, "DEADBEEF", 8);
56 retval = my_snprintf (buf, size, "%d", 12345);
62 ASSERT (memcmp (buf, "12345", size - 1) == 0);
63 ASSERT (buf[size - 1] == '\0');
65 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
69 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
73 /* Test support of size specifiers as in C99. */
78 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
79 ASSERT (strcmp (result, "12345671 33") == 0);
80 ASSERT (retval == strlen (result));
86 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
87 ASSERT (strcmp (result, "12345672 33") == 0);
88 ASSERT (retval == strlen (result));
94 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
95 ASSERT (strcmp (result, "12345673 33") == 0);
96 ASSERT (retval == strlen (result));
102 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
103 ASSERT (strcmp (result, "1.5 33") == 0);
104 ASSERT (retval == strlen (result));
107 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
108 output of floating-point numbers. */
110 { /* A positive number. */
113 my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
114 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
115 || strcmp (result, "0x3.244p+0 33") == 0
116 || strcmp (result, "0x6.488p-1 33") == 0
117 || strcmp (result, "0xc.91p-2 33") == 0);
118 ASSERT (retval == strlen (result));
121 { /* A negative number. */
124 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
125 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
126 || strcmp (result, "-0X3.244P+0 33") == 0
127 || strcmp (result, "-0X6.488P-1 33") == 0
128 || strcmp (result, "-0XC.91P-2 33") == 0);
129 ASSERT (retval == strlen (result));
132 { /* Positive zero. */
135 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
136 ASSERT (strcmp (result, "0x0p+0 33") == 0);
137 ASSERT (retval == strlen (result));
140 { /* Negative zero. */
143 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
144 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
145 ASSERT (retval == strlen (result));
148 { /* Positive infinity. */
151 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
152 ASSERT (strcmp (result, "inf 33") == 0);
153 ASSERT (retval == strlen (result));
156 { /* Negative infinity. */
159 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
160 ASSERT (strcmp (result, "-inf 33") == 0);
161 ASSERT (retval == strlen (result));
167 my_snprintf (result, sizeof (result), "%a %d", NaN (), 33, 44, 55);
168 ASSERT (strlen (result) >= 3 + 3
169 && memcmp (result, "nan", 3) == 0
170 && strcmp (result + strlen (result) - 3, " 33") == 0);
171 ASSERT (retval == strlen (result));
174 { /* Rounding near the decimal point. */
177 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
178 ASSERT (strcmp (result, "0x2p+0 33") == 0
179 || strcmp (result, "0x3p-1 33") == 0
180 || strcmp (result, "0x6p-2 33") == 0
181 || strcmp (result, "0xcp-3 33") == 0);
182 ASSERT (retval == strlen (result));
185 { /* Rounding with precision 0. */
188 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 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 1. */
199 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
200 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
201 || strcmp (result, "0x3.0p-1 33") == 0
202 || strcmp (result, "0x6.1p-2 33") == 0
203 || strcmp (result, "0xc.1p-3 33") == 0);
204 ASSERT (retval == strlen (result));
207 { /* Rounding with precision 2. */
210 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
211 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
212 || strcmp (result, "0x3.05p-1 33") == 0
213 || strcmp (result, "0x6.0ap-2 33") == 0
214 || strcmp (result, "0xc.14p-3 33") == 0);
215 ASSERT (retval == strlen (result));
218 { /* Rounding with precision 3. */
221 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
222 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
223 || strcmp (result, "0x3.052p-1 33") == 0
224 || strcmp (result, "0x6.0a4p-2 33") == 0
225 || strcmp (result, "0xc.148p-3 33") == 0);
226 ASSERT (retval == strlen (result));
229 { /* Rounding can turn a ...FFF into a ...000. */
232 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
233 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
234 || strcmp (result, "0x3.000p-1 33") == 0
235 || strcmp (result, "0x6.000p-2 33") == 0
236 || strcmp (result, "0xc.000p-3 33") == 0);
237 ASSERT (retval == strlen (result));
240 { /* Rounding can turn a ...FFF into a ...000.
241 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
244 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
245 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
246 || strcmp (result, "0x2.0p+0 33") == 0
247 || strcmp (result, "0x4.0p-1 33") == 0
248 || strcmp (result, "0x8.0p-2 33") == 0);
249 ASSERT (retval == strlen (result));
255 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
256 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
257 || strcmp (result, " 0x3.8p-1 33") == 0
258 || strcmp (result, " 0x7p-2 33") == 0
259 || strcmp (result, " 0xep-3 33") == 0);
260 ASSERT (retval == strlen (result));
263 { /* Small precision. */
266 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
267 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
268 || strcmp (result, "0x3.8000000000p-1 33") == 0
269 || strcmp (result, "0x7.0000000000p-2 33") == 0
270 || strcmp (result, "0xe.0000000000p-3 33") == 0);
271 ASSERT (retval == strlen (result));
274 { /* Large precision. */
277 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
278 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
279 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
280 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
281 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
282 ASSERT (retval == strlen (result));
288 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
289 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
290 || strcmp (result, "0x3.8p-1 33") == 0
291 || strcmp (result, "0x7p-2 33") == 0
292 || strcmp (result, "0xep-3 33") == 0);
293 ASSERT (retval == strlen (result));
296 { /* FLAG_SHOWSIGN. */
299 my_snprintf (result, sizeof (result), "%+a %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));
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, "0x7.p-2 33") == 0
325 || strcmp (result, "0xe.p-3 33") == 0);
326 ASSERT (retval == strlen (result));
332 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
333 ASSERT (strcmp (result, "0x1.p+0 33") == 0
334 || strcmp (result, "0x2.p-1 33") == 0
335 || strcmp (result, "0x4.p-2 33") == 0
336 || strcmp (result, "0x8.p-3 33") == 0);
337 ASSERT (retval == strlen (result));
340 { /* FLAG_ZERO with finite number. */
343 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
344 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
345 || strcmp (result, "0x003.8p-1 33") == 0
346 || strcmp (result, "0x00007p-2 33") == 0
347 || strcmp (result, "0x0000ep-3 33") == 0);
348 ASSERT (retval == strlen (result));
351 { /* FLAG_ZERO with infinite number. */
354 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
355 /* "0000000inf 33" is not a valid result; see
356 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
357 ASSERT (strcmp (result, " inf 33") == 0);
358 ASSERT (retval == strlen (result));
361 { /* FLAG_ZERO with NaN. */
364 my_snprintf (result, sizeof (result), "%020a %d", NaN (), 33, 44, 55);
365 /* "0000000nan 33" is not a valid result; see
366 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
367 ASSERT (strlen (result) == 20 + 3
368 && memcmp (result + strspn (result, " "), "nan", 3) == 0
369 && strcmp (result + strlen (result) - 3, " 33") == 0);
370 ASSERT (retval == strlen (result));
373 { /* A positive number. */
376 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
377 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
378 || strcmp (result, "0x3.244p+0 33") == 0
379 || strcmp (result, "0x6.488p-1 33") == 0
380 || strcmp (result, "0xc.91p-2 33") == 0);
381 ASSERT (retval == strlen (result));
384 { /* A negative number. */
387 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
388 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
389 || strcmp (result, "-0X3.244P+0 33") == 0
390 || strcmp (result, "-0X6.488P-1 33") == 0
391 || strcmp (result, "-0XC.91P-2 33") == 0);
392 ASSERT (retval == strlen (result));
395 { /* Positive zero. */
398 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
399 ASSERT (strcmp (result, "0x0p+0 33") == 0);
400 ASSERT (retval == strlen (result));
403 { /* Negative zero. */
406 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
407 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
408 ASSERT (retval == strlen (result));
411 { /* Positive infinity. */
414 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
415 ASSERT (strcmp (result, "inf 33") == 0);
416 ASSERT (retval == strlen (result));
419 { /* Negative infinity. */
422 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
423 ASSERT (strcmp (result, "-inf 33") == 0);
424 ASSERT (retval == strlen (result));
430 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
431 ASSERT (strlen (result) >= 3 + 3
432 && memcmp (result, "nan", 3) == 0
433 && strcmp (result + strlen (result) - 3, " 33") == 0);
434 ASSERT (retval == strlen (result));
437 { /* Rounding near the decimal point. */
440 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
441 ASSERT (strcmp (result, "0x2p+0 33") == 0
442 || strcmp (result, "0x3p-1 33") == 0
443 || strcmp (result, "0x6p-2 33") == 0
444 || strcmp (result, "0xcp-3 33") == 0);
445 ASSERT (retval == strlen (result));
448 { /* Rounding with precision 0. */
451 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 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 1. */
462 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
463 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
464 || strcmp (result, "0x3.0p-1 33") == 0
465 || strcmp (result, "0x6.1p-2 33") == 0
466 || strcmp (result, "0xc.1p-3 33") == 0);
467 ASSERT (retval == strlen (result));
470 { /* Rounding with precision 2. */
473 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
474 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
475 || strcmp (result, "0x3.05p-1 33") == 0
476 || strcmp (result, "0x6.0ap-2 33") == 0
477 || strcmp (result, "0xc.14p-3 33") == 0);
478 ASSERT (retval == strlen (result));
481 { /* Rounding with precision 3. */
484 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
485 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
486 || strcmp (result, "0x3.052p-1 33") == 0
487 || strcmp (result, "0x6.0a4p-2 33") == 0
488 || strcmp (result, "0xc.148p-3 33") == 0);
489 ASSERT (retval == strlen (result));
492 { /* Rounding can turn a ...FFF into a ...000. */
495 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
496 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
497 || strcmp (result, "0x3.000p-1 33") == 0
498 || strcmp (result, "0x6.000p-2 33") == 0
499 || strcmp (result, "0xc.000p-3 33") == 0);
500 ASSERT (retval == strlen (result));
503 { /* Rounding can turn a ...FFF into a ...000.
504 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
505 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
508 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
509 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
510 || strcmp (result, "0x2.0p+0 33") == 0
511 || strcmp (result, "0x4.0p-1 33") == 0
512 || strcmp (result, "0x8.0p-2 33") == 0);
513 ASSERT (retval == strlen (result));
519 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
520 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
521 || strcmp (result, " 0x3.8p-1 33") == 0
522 || strcmp (result, " 0x7p-2 33") == 0
523 || strcmp (result, " 0xep-3 33") == 0);
524 ASSERT (retval == strlen (result));
527 { /* Small precision. */
530 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
531 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
532 || strcmp (result, "0x3.8000000000p-1 33") == 0
533 || strcmp (result, "0x7.0000000000p-2 33") == 0
534 || strcmp (result, "0xe.0000000000p-3 33") == 0);
535 ASSERT (retval == strlen (result));
538 { /* Large precision. */
541 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
542 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
543 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
544 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
545 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
546 ASSERT (retval == strlen (result));
552 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
553 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
554 || strcmp (result, "0x3.8p-1 33") == 0
555 || strcmp (result, "0x7p-2 33") == 0
556 || strcmp (result, "0xep-3 33") == 0);
557 ASSERT (retval == strlen (result));
560 { /* FLAG_SHOWSIGN. */
563 my_snprintf (result, sizeof (result), "%+La %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));
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, "0x7.p-2 33") == 0
589 || strcmp (result, "0xe.p-3 33") == 0);
590 ASSERT (retval == strlen (result));
596 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
597 ASSERT (strcmp (result, "0x1.p+0 33") == 0
598 || strcmp (result, "0x2.p-1 33") == 0
599 || strcmp (result, "0x4.p-2 33") == 0
600 || strcmp (result, "0x8.p-3 33") == 0);
601 ASSERT (retval == strlen (result));
604 { /* FLAG_ZERO with finite number. */
607 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
608 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
609 || strcmp (result, "0x003.8p-1 33") == 0
610 || strcmp (result, "0x00007p-2 33") == 0
611 || strcmp (result, "0x0000ep-3 33") == 0);
612 ASSERT (retval == strlen (result));
615 { /* FLAG_ZERO with infinite number. */
618 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
619 /* "0000000inf 33" is not a valid result; see
620 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
621 ASSERT (strcmp (result, " inf 33") == 0);
622 ASSERT (retval == strlen (result));
625 { /* FLAG_ZERO with NaN. */
628 my_snprintf (result, sizeof (result), "%020La %d", 0.0L / 0.0L, 33, 44, 55);
629 /* "0000000nan 33" is not a valid result; see
630 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
631 ASSERT (strlen (result) == 20 + 3
632 && memcmp (result + strspn (result, " "), "nan", 3) == 0
633 && strcmp (result + strlen (result) - 3, " 33") == 0);
634 ASSERT (retval == strlen (result));
637 /* Test the support of the %f format directive. */
639 { /* A positive number. */
642 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
643 ASSERT (strcmp (result, "12.750000 33") == 0);
644 ASSERT (retval == strlen (result));
647 { /* A larger positive number. */
650 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
651 ASSERT (strcmp (result, "1234567.000000 33") == 0);
652 ASSERT (retval == strlen (result));
655 { /* Small and large positive numbers. */
656 static struct { double value; const char *string; } data[] =
658 { 1.234321234321234e-37, "0.000000" },
659 { 1.234321234321234e-36, "0.000000" },
660 { 1.234321234321234e-35, "0.000000" },
661 { 1.234321234321234e-34, "0.000000" },
662 { 1.234321234321234e-33, "0.000000" },
663 { 1.234321234321234e-32, "0.000000" },
664 { 1.234321234321234e-31, "0.000000" },
665 { 1.234321234321234e-30, "0.000000" },
666 { 1.234321234321234e-29, "0.000000" },
667 { 1.234321234321234e-28, "0.000000" },
668 { 1.234321234321234e-27, "0.000000" },
669 { 1.234321234321234e-26, "0.000000" },
670 { 1.234321234321234e-25, "0.000000" },
671 { 1.234321234321234e-24, "0.000000" },
672 { 1.234321234321234e-23, "0.000000" },
673 { 1.234321234321234e-22, "0.000000" },
674 { 1.234321234321234e-21, "0.000000" },
675 { 1.234321234321234e-20, "0.000000" },
676 { 1.234321234321234e-19, "0.000000" },
677 { 1.234321234321234e-18, "0.000000" },
678 { 1.234321234321234e-17, "0.000000" },
679 { 1.234321234321234e-16, "0.000000" },
680 { 1.234321234321234e-15, "0.000000" },
681 { 1.234321234321234e-14, "0.000000" },
682 { 1.234321234321234e-13, "0.000000" },
683 { 1.234321234321234e-12, "0.000000" },
684 { 1.234321234321234e-11, "0.000000" },
685 { 1.234321234321234e-10, "0.000000" },
686 { 1.234321234321234e-9, "0.000000" },
687 { 1.234321234321234e-8, "0.000000" },
688 { 1.234321234321234e-7, "0.000000" },
689 { 1.234321234321234e-6, "0.000001" },
690 { 1.234321234321234e-5, "0.000012" },
691 { 1.234321234321234e-4, "0.000123" },
692 { 1.234321234321234e-3, "0.001234" },
693 { 1.234321234321234e-2, "0.012343" },
694 { 1.234321234321234e-1, "0.123432" },
695 { 1.234321234321234, "1.234321" },
696 { 1.234321234321234e1, "12.343212" },
697 { 1.234321234321234e2, "123.432123" },
698 { 1.234321234321234e3, "1234.321234" },
699 { 1.234321234321234e4, "12343.212343" },
700 { 1.234321234321234e5, "123432.123432" },
701 { 1.234321234321234e6, "1234321.234321" },
702 { 1.234321234321234e7, "12343212.343212" },
703 { 1.234321234321234e8, "123432123.432123" },
704 { 1.234321234321234e9, "1234321234.321234" },
705 { 1.234321234321234e10, "12343212343.2123**" },
706 { 1.234321234321234e11, "123432123432.123***" },
707 { 1.234321234321234e12, "1234321234321.23****" },
708 { 1.234321234321234e13, "12343212343212.3*****" },
709 { 1.234321234321234e14, "123432123432123.******" },
710 { 1.234321234321234e15, "1234321234321234.000000" },
711 { 1.234321234321234e16, "123432123432123**.000000" },
712 { 1.234321234321234e17, "123432123432123***.000000" },
713 { 1.234321234321234e18, "123432123432123****.000000" },
714 { 1.234321234321234e19, "123432123432123*****.000000" },
715 { 1.234321234321234e20, "123432123432123******.000000" },
716 { 1.234321234321234e21, "123432123432123*******.000000" },
717 { 1.234321234321234e22, "123432123432123********.000000" },
718 { 1.234321234321234e23, "123432123432123*********.000000" },
719 { 1.234321234321234e24, "123432123432123**********.000000" },
720 { 1.234321234321234e25, "123432123432123***********.000000" },
721 { 1.234321234321234e26, "123432123432123************.000000" },
722 { 1.234321234321234e27, "123432123432123*************.000000" },
723 { 1.234321234321234e28, "123432123432123**************.000000" },
724 { 1.234321234321234e29, "123432123432123***************.000000" },
725 { 1.234321234321234e30, "123432123432123****************.000000" },
726 { 1.234321234321234e31, "123432123432123*****************.000000" },
727 { 1.234321234321234e32, "123432123432123******************.000000" },
728 { 1.234321234321234e33, "123432123432123*******************.000000" },
729 { 1.234321234321234e34, "123432123432123********************.000000" },
730 { 1.234321234321234e35, "123432123432123*********************.000000" },
731 { 1.234321234321234e36, "123432123432123**********************.000000" }
734 for (k = 0; k < SIZEOF (data); k++)
738 my_snprintf (result, sizeof (result), "%f", data[k].value);
739 ASSERT (strmatch (data[k].string, result));
740 ASSERT (retval == strlen (result));
744 { /* A negative number. */
747 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
748 ASSERT (strcmp (result, "-0.031250 33") == 0);
749 ASSERT (retval == strlen (result));
752 { /* Positive zero. */
755 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
756 ASSERT (strcmp (result, "0.000000 33") == 0);
757 ASSERT (retval == strlen (result));
760 { /* Negative zero. */
763 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
764 ASSERT (strcmp (result, "-0.000000 33") == 0);
765 ASSERT (retval == strlen (result));
768 { /* Positive infinity. */
771 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
772 ASSERT (strcmp (result, "inf 33") == 0
773 || strcmp (result, "infinity 33") == 0);
774 ASSERT (retval == strlen (result));
777 { /* Negative infinity. */
780 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
781 ASSERT (strcmp (result, "-inf 33") == 0
782 || strcmp (result, "-infinity 33") == 0);
783 ASSERT (retval == strlen (result));
789 my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
790 ASSERT (strlen (result) >= 3 + 3
791 && memcmp (result, "nan", 3) == 0
792 && strcmp (result + strlen (result) - 3, " 33") == 0);
793 ASSERT (retval == strlen (result));
799 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
800 ASSERT (result != NULL);
801 ASSERT (strcmp (result, " 1.750000 33") == 0);
802 ASSERT (retval == strlen (result));
808 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
809 ASSERT (result != NULL);
810 ASSERT (strcmp (result, "1.750000 33") == 0);
811 ASSERT (retval == strlen (result));
814 { /* FLAG_SHOWSIGN. */
817 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
818 ASSERT (result != NULL);
819 ASSERT (strcmp (result, "+1.750000 33") == 0);
820 ASSERT (retval == strlen (result));
826 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
827 ASSERT (result != NULL);
828 ASSERT (strcmp (result, " 1.750000 33") == 0);
829 ASSERT (retval == strlen (result));
835 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
836 ASSERT (result != NULL);
837 ASSERT (strcmp (result, "1.750000 33") == 0);
838 ASSERT (retval == strlen (result));
844 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
845 ASSERT (result != NULL);
846 ASSERT (strcmp (result, "2. 33") == 0);
847 ASSERT (retval == strlen (result));
850 { /* FLAG_ZERO with finite number. */
853 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
854 ASSERT (strcmp (result, "00001234.000000 33") == 0);
855 ASSERT (retval == strlen (result));
858 { /* FLAG_ZERO with infinite number. */
861 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
862 ASSERT (strcmp (result, " -inf 33") == 0
863 || strcmp (result, " -infinity 33") == 0);
864 ASSERT (retval == strlen (result));
867 { /* FLAG_ZERO with NaN. */
870 my_snprintf (result, sizeof (result), "%020f %d", NaN (), 33, 44, 55);
871 ASSERT (strlen (result) == 20 + 3
872 && memcmp (result + strspn (result, " "), "nan", 3) == 0
873 && strcmp (result + strlen (result) - 3, " 33") == 0);
874 ASSERT (retval == strlen (result));
880 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
881 ASSERT (strcmp (result, "1234 33") == 0);
882 ASSERT (retval == strlen (result));
885 { /* A positive number. */
888 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
889 ASSERT (strcmp (result, "12.750000 33") == 0);
890 ASSERT (retval == strlen (result));
893 { /* A larger positive number. */
896 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
897 ASSERT (strcmp (result, "1234567.000000 33") == 0);
898 ASSERT (retval == strlen (result));
901 { /* Small and large positive numbers. */
902 static struct { long double value; const char *string; } data[] =
904 { 1.234321234321234e-37L, "0.000000" },
905 { 1.234321234321234e-36L, "0.000000" },
906 { 1.234321234321234e-35L, "0.000000" },
907 { 1.234321234321234e-34L, "0.000000" },
908 { 1.234321234321234e-33L, "0.000000" },
909 { 1.234321234321234e-32L, "0.000000" },
910 { 1.234321234321234e-31L, "0.000000" },
911 { 1.234321234321234e-30L, "0.000000" },
912 { 1.234321234321234e-29L, "0.000000" },
913 { 1.234321234321234e-28L, "0.000000" },
914 { 1.234321234321234e-27L, "0.000000" },
915 { 1.234321234321234e-26L, "0.000000" },
916 { 1.234321234321234e-25L, "0.000000" },
917 { 1.234321234321234e-24L, "0.000000" },
918 { 1.234321234321234e-23L, "0.000000" },
919 { 1.234321234321234e-22L, "0.000000" },
920 { 1.234321234321234e-21L, "0.000000" },
921 { 1.234321234321234e-20L, "0.000000" },
922 { 1.234321234321234e-19L, "0.000000" },
923 { 1.234321234321234e-18L, "0.000000" },
924 { 1.234321234321234e-17L, "0.000000" },
925 { 1.234321234321234e-16L, "0.000000" },
926 { 1.234321234321234e-15L, "0.000000" },
927 { 1.234321234321234e-14L, "0.000000" },
928 { 1.234321234321234e-13L, "0.000000" },
929 { 1.234321234321234e-12L, "0.000000" },
930 { 1.234321234321234e-11L, "0.000000" },
931 { 1.234321234321234e-10L, "0.000000" },
932 { 1.234321234321234e-9L, "0.000000" },
933 { 1.234321234321234e-8L, "0.000000" },
934 { 1.234321234321234e-7L, "0.000000" },
935 { 1.234321234321234e-6L, "0.000001" },
936 { 1.234321234321234e-5L, "0.000012" },
937 { 1.234321234321234e-4L, "0.000123" },
938 { 1.234321234321234e-3L, "0.001234" },
939 { 1.234321234321234e-2L, "0.012343" },
940 { 1.234321234321234e-1L, "0.123432" },
941 { 1.234321234321234L, "1.234321" },
942 { 1.234321234321234e1L, "12.343212" },
943 { 1.234321234321234e2L, "123.432123" },
944 { 1.234321234321234e3L, "1234.321234" },
945 { 1.234321234321234e4L, "12343.212343" },
946 { 1.234321234321234e5L, "123432.123432" },
947 { 1.234321234321234e6L, "1234321.234321" },
948 { 1.234321234321234e7L, "12343212.343212" },
949 { 1.234321234321234e8L, "123432123.432123" },
950 { 1.234321234321234e9L, "1234321234.321234" },
951 { 1.234321234321234e10L, "12343212343.2123**" },
952 { 1.234321234321234e11L, "123432123432.123***" },
953 { 1.234321234321234e12L, "1234321234321.23****" },
954 { 1.234321234321234e13L, "12343212343212.3*****" },
955 { 1.234321234321234e14L, "123432123432123.******" },
956 { 1.234321234321234e15L, "1234321234321234.000000" },
957 { 1.234321234321234e16L, "123432123432123**.000000" },
958 { 1.234321234321234e17L, "123432123432123***.000000" },
959 { 1.234321234321234e18L, "123432123432123****.000000" },
960 { 1.234321234321234e19L, "123432123432123*****.000000" },
961 { 1.234321234321234e20L, "123432123432123******.000000" },
962 { 1.234321234321234e21L, "123432123432123*******.000000" },
963 { 1.234321234321234e22L, "123432123432123********.000000" },
964 { 1.234321234321234e23L, "123432123432123*********.000000" },
965 { 1.234321234321234e24L, "123432123432123**********.000000" },
966 { 1.234321234321234e25L, "123432123432123***********.000000" },
967 { 1.234321234321234e26L, "123432123432123************.000000" },
968 { 1.234321234321234e27L, "123432123432123*************.000000" },
969 { 1.234321234321234e28L, "123432123432123**************.000000" },
970 { 1.234321234321234e29L, "123432123432123***************.000000" },
971 { 1.234321234321234e30L, "123432123432123****************.000000" },
972 { 1.234321234321234e31L, "123432123432123*****************.000000" },
973 { 1.234321234321234e32L, "123432123432123******************.000000" },
974 { 1.234321234321234e33L, "123432123432123*******************.000000" },
975 { 1.234321234321234e34L, "123432123432123********************.000000" },
976 { 1.234321234321234e35L, "123432123432123*********************.000000" },
977 { 1.234321234321234e36L, "123432123432123**********************.000000" }
980 for (k = 0; k < SIZEOF (data); k++)
984 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
985 ASSERT (strmatch (data[k].string, result));
986 ASSERT (retval == strlen (result));
990 { /* A negative number. */
993 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
994 ASSERT (strcmp (result, "-0.031250 33") == 0);
995 ASSERT (retval == strlen (result));
998 { /* Positive zero. */
1001 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1002 ASSERT (strcmp (result, "0.000000 33") == 0);
1003 ASSERT (retval == strlen (result));
1006 { /* Negative zero. */
1009 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1010 ASSERT (strcmp (result, "-0.000000 33") == 0);
1011 ASSERT (retval == strlen (result));
1014 { /* Positive infinity. */
1017 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1018 ASSERT (strcmp (result, "inf 33") == 0
1019 || strcmp (result, "infinity 33") == 0);
1020 ASSERT (retval == strlen (result));
1023 { /* Negative infinity. */
1026 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1027 ASSERT (strcmp (result, "-inf 33") == 0
1028 || strcmp (result, "-infinity 33") == 0);
1029 ASSERT (retval == strlen (result));
1033 static long double zero = 0.0L;
1036 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1037 ASSERT (strlen (result) >= 3 + 3
1038 && memcmp (result, "nan", 3) == 0
1039 && strcmp (result + strlen (result) - 3, " 33") == 0);
1040 ASSERT (retval == strlen (result));
1046 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1047 ASSERT (result != NULL);
1048 ASSERT (strcmp (result, " 1.750000 33") == 0);
1049 ASSERT (retval == strlen (result));
1055 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1056 ASSERT (result != NULL);
1057 ASSERT (strcmp (result, "1.750000 33") == 0);
1058 ASSERT (retval == strlen (result));
1061 { /* FLAG_SHOWSIGN. */
1064 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1065 ASSERT (result != NULL);
1066 ASSERT (strcmp (result, "+1.750000 33") == 0);
1067 ASSERT (retval == strlen (result));
1073 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1074 ASSERT (result != NULL);
1075 ASSERT (strcmp (result, " 1.750000 33") == 0);
1076 ASSERT (retval == strlen (result));
1082 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1083 ASSERT (result != NULL);
1084 ASSERT (strcmp (result, "1.750000 33") == 0);
1085 ASSERT (retval == strlen (result));
1091 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1092 ASSERT (result != NULL);
1093 ASSERT (strcmp (result, "2. 33") == 0);
1094 ASSERT (retval == strlen (result));
1097 { /* FLAG_ZERO with finite number. */
1100 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1101 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1102 ASSERT (retval == strlen (result));
1105 { /* FLAG_ZERO with infinite number. */
1108 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1109 ASSERT (strcmp (result, " -inf 33") == 0
1110 || strcmp (result, " -infinity 33") == 0);
1111 ASSERT (retval == strlen (result));
1114 { /* FLAG_ZERO with NaN. */
1115 static long double zero = 0.0L;
1118 my_snprintf (result, sizeof (result), "%020Lf %d", zero / zero, 33, 44, 55);
1119 ASSERT (strlen (result) == 20 + 3
1120 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1121 && strcmp (result + strlen (result) - 3, " 33") == 0);
1122 ASSERT (retval == strlen (result));
1128 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1129 ASSERT (strcmp (result, "1234 33") == 0);
1130 ASSERT (retval == strlen (result));
1133 /* Test the support of the %F format directive. */
1135 { /* A positive number. */
1138 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1139 ASSERT (strcmp (result, "12.750000 33") == 0);
1140 ASSERT (retval == strlen (result));
1143 { /* A larger positive number. */
1146 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1147 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1148 ASSERT (retval == strlen (result));
1151 { /* A negative number. */
1154 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1155 ASSERT (strcmp (result, "-0.031250 33") == 0);
1156 ASSERT (retval == strlen (result));
1159 { /* Positive zero. */
1162 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1163 ASSERT (strcmp (result, "0.000000 33") == 0);
1164 ASSERT (retval == strlen (result));
1167 { /* Negative zero. */
1170 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1171 ASSERT (strcmp (result, "-0.000000 33") == 0);
1172 ASSERT (retval == strlen (result));
1175 { /* Positive infinity. */
1178 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1179 ASSERT (strcmp (result, "INF 33") == 0
1180 || strcmp (result, "INFINITY 33") == 0);
1181 ASSERT (retval == strlen (result));
1184 { /* Negative infinity. */
1187 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1188 ASSERT (strcmp (result, "-INF 33") == 0
1189 || strcmp (result, "-INFINITY 33") == 0);
1190 ASSERT (retval == strlen (result));
1196 my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1197 ASSERT (strlen (result) >= 3 + 3
1198 && memcmp (result, "NAN", 3) == 0
1199 && strcmp (result + strlen (result) - 3, " 33") == 0);
1200 ASSERT (retval == strlen (result));
1206 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1207 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1208 ASSERT (retval == strlen (result));
1211 { /* FLAG_ZERO with infinite number. */
1214 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1215 ASSERT (strcmp (result, " -INF 33") == 0
1216 || strcmp (result, " -INFINITY 33") == 0);
1217 ASSERT (retval == strlen (result));
1223 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1224 ASSERT (strcmp (result, "1234 33") == 0);
1225 ASSERT (retval == strlen (result));
1228 { /* A positive number. */
1231 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1232 ASSERT (strcmp (result, "12.750000 33") == 0);
1233 ASSERT (retval == strlen (result));
1236 { /* A larger positive number. */
1239 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1240 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1241 ASSERT (retval == strlen (result));
1244 { /* A negative number. */
1247 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1248 ASSERT (strcmp (result, "-0.031250 33") == 0);
1249 ASSERT (retval == strlen (result));
1252 { /* Positive zero. */
1255 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1256 ASSERT (strcmp (result, "0.000000 33") == 0);
1257 ASSERT (retval == strlen (result));
1260 { /* Negative zero. */
1263 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1264 ASSERT (strcmp (result, "-0.000000 33") == 0);
1265 ASSERT (retval == strlen (result));
1268 { /* Positive infinity. */
1271 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1272 ASSERT (strcmp (result, "INF 33") == 0
1273 || strcmp (result, "INFINITY 33") == 0);
1274 ASSERT (retval == strlen (result));
1277 { /* Negative infinity. */
1280 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1281 ASSERT (strcmp (result, "-INF 33") == 0
1282 || strcmp (result, "-INFINITY 33") == 0);
1283 ASSERT (retval == strlen (result));
1287 static long double zero = 0.0L;
1290 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1291 ASSERT (strlen (result) >= 3 + 3
1292 && memcmp (result, "NAN", 3) == 0
1293 && strcmp (result + strlen (result) - 3, " 33") == 0);
1294 ASSERT (retval == strlen (result));
1300 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1301 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1302 ASSERT (retval == strlen (result));
1305 { /* FLAG_ZERO with infinite number. */
1308 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1309 ASSERT (strcmp (result, " -INF 33") == 0
1310 || strcmp (result, " -INFINITY 33") == 0);
1311 ASSERT (retval == strlen (result));
1317 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1318 ASSERT (strcmp (result, "1234 33") == 0);
1319 ASSERT (retval == strlen (result));
1322 /* Test the support of the %e format directive. */
1324 { /* A positive number. */
1327 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1328 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1329 || strcmp (result, "1.275000e+001 33") == 0);
1330 ASSERT (retval == strlen (result));
1333 { /* A larger positive number. */
1336 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1337 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1338 || strcmp (result, "1.234567e+006 33") == 0);
1339 ASSERT (retval == strlen (result));
1342 { /* Small and large positive numbers. */
1343 static struct { double value; const char *string; } data[] =
1345 { 1.234321234321234e-37, "1.234321e-37" },
1346 { 1.234321234321234e-36, "1.234321e-36" },
1347 { 1.234321234321234e-35, "1.234321e-35" },
1348 { 1.234321234321234e-34, "1.234321e-34" },
1349 { 1.234321234321234e-33, "1.234321e-33" },
1350 { 1.234321234321234e-32, "1.234321e-32" },
1351 { 1.234321234321234e-31, "1.234321e-31" },
1352 { 1.234321234321234e-30, "1.234321e-30" },
1353 { 1.234321234321234e-29, "1.234321e-29" },
1354 { 1.234321234321234e-28, "1.234321e-28" },
1355 { 1.234321234321234e-27, "1.234321e-27" },
1356 { 1.234321234321234e-26, "1.234321e-26" },
1357 { 1.234321234321234e-25, "1.234321e-25" },
1358 { 1.234321234321234e-24, "1.234321e-24" },
1359 { 1.234321234321234e-23, "1.234321e-23" },
1360 { 1.234321234321234e-22, "1.234321e-22" },
1361 { 1.234321234321234e-21, "1.234321e-21" },
1362 { 1.234321234321234e-20, "1.234321e-20" },
1363 { 1.234321234321234e-19, "1.234321e-19" },
1364 { 1.234321234321234e-18, "1.234321e-18" },
1365 { 1.234321234321234e-17, "1.234321e-17" },
1366 { 1.234321234321234e-16, "1.234321e-16" },
1367 { 1.234321234321234e-15, "1.234321e-15" },
1368 { 1.234321234321234e-14, "1.234321e-14" },
1369 { 1.234321234321234e-13, "1.234321e-13" },
1370 { 1.234321234321234e-12, "1.234321e-12" },
1371 { 1.234321234321234e-11, "1.234321e-11" },
1372 { 1.234321234321234e-10, "1.234321e-10" },
1373 { 1.234321234321234e-9, "1.234321e-09" },
1374 { 1.234321234321234e-8, "1.234321e-08" },
1375 { 1.234321234321234e-7, "1.234321e-07" },
1376 { 1.234321234321234e-6, "1.234321e-06" },
1377 { 1.234321234321234e-5, "1.234321e-05" },
1378 { 1.234321234321234e-4, "1.234321e-04" },
1379 { 1.234321234321234e-3, "1.234321e-03" },
1380 { 1.234321234321234e-2, "1.234321e-02" },
1381 { 1.234321234321234e-1, "1.234321e-01" },
1382 { 1.234321234321234, "1.234321e+00" },
1383 { 1.234321234321234e1, "1.234321e+01" },
1384 { 1.234321234321234e2, "1.234321e+02" },
1385 { 1.234321234321234e3, "1.234321e+03" },
1386 { 1.234321234321234e4, "1.234321e+04" },
1387 { 1.234321234321234e5, "1.234321e+05" },
1388 { 1.234321234321234e6, "1.234321e+06" },
1389 { 1.234321234321234e7, "1.234321e+07" },
1390 { 1.234321234321234e8, "1.234321e+08" },
1391 { 1.234321234321234e9, "1.234321e+09" },
1392 { 1.234321234321234e10, "1.234321e+10" },
1393 { 1.234321234321234e11, "1.234321e+11" },
1394 { 1.234321234321234e12, "1.234321e+12" },
1395 { 1.234321234321234e13, "1.234321e+13" },
1396 { 1.234321234321234e14, "1.234321e+14" },
1397 { 1.234321234321234e15, "1.234321e+15" },
1398 { 1.234321234321234e16, "1.234321e+16" },
1399 { 1.234321234321234e17, "1.234321e+17" },
1400 { 1.234321234321234e18, "1.234321e+18" },
1401 { 1.234321234321234e19, "1.234321e+19" },
1402 { 1.234321234321234e20, "1.234321e+20" },
1403 { 1.234321234321234e21, "1.234321e+21" },
1404 { 1.234321234321234e22, "1.234321e+22" },
1405 { 1.234321234321234e23, "1.234321e+23" },
1406 { 1.234321234321234e24, "1.234321e+24" },
1407 { 1.234321234321234e25, "1.234321e+25" },
1408 { 1.234321234321234e26, "1.234321e+26" },
1409 { 1.234321234321234e27, "1.234321e+27" },
1410 { 1.234321234321234e28, "1.234321e+28" },
1411 { 1.234321234321234e29, "1.234321e+29" },
1412 { 1.234321234321234e30, "1.234321e+30" },
1413 { 1.234321234321234e31, "1.234321e+31" },
1414 { 1.234321234321234e32, "1.234321e+32" },
1415 { 1.234321234321234e33, "1.234321e+33" },
1416 { 1.234321234321234e34, "1.234321e+34" },
1417 { 1.234321234321234e35, "1.234321e+35" },
1418 { 1.234321234321234e36, "1.234321e+36" }
1421 for (k = 0; k < SIZEOF (data); k++)
1425 my_snprintf (result, sizeof (result), "%e", data[k].value);
1426 const char *expected = data[k].string;
1427 ASSERT (result != NULL);
1428 ASSERT (strcmp (result, expected) == 0
1429 /* Some implementations produce exponents with 3 digits. */
1430 || (strlen (result) == strlen (expected) + 1
1431 && memcmp (result, expected, strlen (expected) - 2) == 0
1432 && result[strlen (expected) - 2] == '0'
1433 && strcmp (result + strlen (expected) - 1,
1434 expected + strlen (expected) - 2)
1436 ASSERT (retval == strlen (result));
1440 { /* A negative number. */
1443 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1444 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1445 || strcmp (result, "-3.125000e-002 33") == 0);
1446 ASSERT (retval == strlen (result));
1449 { /* Positive zero. */
1452 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1453 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1454 || strcmp (result, "0.000000e+000 33") == 0);
1455 ASSERT (retval == strlen (result));
1458 { /* Negative zero. */
1461 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1462 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1463 || strcmp (result, "-0.000000e+000 33") == 0);
1464 ASSERT (retval == strlen (result));
1467 { /* Positive infinity. */
1470 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1471 ASSERT (strcmp (result, "inf 33") == 0
1472 || strcmp (result, "infinity 33") == 0);
1473 ASSERT (retval == strlen (result));
1476 { /* Negative infinity. */
1479 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1480 ASSERT (strcmp (result, "-inf 33") == 0
1481 || strcmp (result, "-infinity 33") == 0);
1482 ASSERT (retval == strlen (result));
1488 my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1489 ASSERT (strlen (result) >= 3 + 3
1490 && memcmp (result, "nan", 3) == 0
1491 && strcmp (result + strlen (result) - 3, " 33") == 0);
1492 ASSERT (retval == strlen (result));
1498 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1499 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1500 || strcmp (result, " 1.750000e+000 33") == 0);
1501 ASSERT (retval == strlen (result));
1507 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1508 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1509 || strcmp (result, "1.750000e+000 33") == 0);
1510 ASSERT (retval == strlen (result));
1513 { /* FLAG_SHOWSIGN. */
1516 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1517 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1518 || strcmp (result, "+1.750000e+000 33") == 0);
1519 ASSERT (retval == strlen (result));
1525 my_snprintf (result, sizeof (result), "% e %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), "%#e %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));
1543 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1544 ASSERT (strcmp (result, "2.e+00 33") == 0
1545 || strcmp (result, "2.e+000 33") == 0);
1546 ASSERT (retval == strlen (result));
1552 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1553 ASSERT (strcmp (result, "1.e+01 33") == 0
1554 || strcmp (result, "1.e+001 33") == 0);
1555 ASSERT (retval == strlen (result));
1558 { /* FLAG_ZERO with finite number. */
1561 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1562 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1563 || strcmp (result, "001.234000e+003 33") == 0);
1564 ASSERT (retval == strlen (result));
1567 { /* FLAG_ZERO with infinite number. */
1570 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1571 ASSERT (strcmp (result, " -inf 33") == 0
1572 || strcmp (result, " -infinity 33") == 0);
1573 ASSERT (retval == strlen (result));
1576 { /* FLAG_ZERO with NaN. */
1579 my_snprintf (result, sizeof (result), "%020e %d", NaN (), 33, 44, 55);
1580 ASSERT (strlen (result) == 20 + 3
1581 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1582 && strcmp (result + strlen (result) - 3, " 33") == 0);
1583 ASSERT (retval == strlen (result));
1589 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1590 ASSERT (strcmp (result, "1e+03 33") == 0
1591 || strcmp (result, "1e+003 33") == 0);
1592 ASSERT (retval == strlen (result));
1595 { /* A positive number. */
1598 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1599 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1600 ASSERT (retval == strlen (result));
1603 { /* A larger positive number. */
1606 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1607 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1608 ASSERT (retval == strlen (result));
1611 { /* Small and large positive numbers. */
1612 static struct { long double value; const char *string; } data[] =
1614 { 1.234321234321234e-37L, "1.234321e-37" },
1615 { 1.234321234321234e-36L, "1.234321e-36" },
1616 { 1.234321234321234e-35L, "1.234321e-35" },
1617 { 1.234321234321234e-34L, "1.234321e-34" },
1618 { 1.234321234321234e-33L, "1.234321e-33" },
1619 { 1.234321234321234e-32L, "1.234321e-32" },
1620 { 1.234321234321234e-31L, "1.234321e-31" },
1621 { 1.234321234321234e-30L, "1.234321e-30" },
1622 { 1.234321234321234e-29L, "1.234321e-29" },
1623 { 1.234321234321234e-28L, "1.234321e-28" },
1624 { 1.234321234321234e-27L, "1.234321e-27" },
1625 { 1.234321234321234e-26L, "1.234321e-26" },
1626 { 1.234321234321234e-25L, "1.234321e-25" },
1627 { 1.234321234321234e-24L, "1.234321e-24" },
1628 { 1.234321234321234e-23L, "1.234321e-23" },
1629 { 1.234321234321234e-22L, "1.234321e-22" },
1630 { 1.234321234321234e-21L, "1.234321e-21" },
1631 { 1.234321234321234e-20L, "1.234321e-20" },
1632 { 1.234321234321234e-19L, "1.234321e-19" },
1633 { 1.234321234321234e-18L, "1.234321e-18" },
1634 { 1.234321234321234e-17L, "1.234321e-17" },
1635 { 1.234321234321234e-16L, "1.234321e-16" },
1636 { 1.234321234321234e-15L, "1.234321e-15" },
1637 { 1.234321234321234e-14L, "1.234321e-14" },
1638 { 1.234321234321234e-13L, "1.234321e-13" },
1639 { 1.234321234321234e-12L, "1.234321e-12" },
1640 { 1.234321234321234e-11L, "1.234321e-11" },
1641 { 1.234321234321234e-10L, "1.234321e-10" },
1642 { 1.234321234321234e-9L, "1.234321e-09" },
1643 { 1.234321234321234e-8L, "1.234321e-08" },
1644 { 1.234321234321234e-7L, "1.234321e-07" },
1645 { 1.234321234321234e-6L, "1.234321e-06" },
1646 { 1.234321234321234e-5L, "1.234321e-05" },
1647 { 1.234321234321234e-4L, "1.234321e-04" },
1648 { 1.234321234321234e-3L, "1.234321e-03" },
1649 { 1.234321234321234e-2L, "1.234321e-02" },
1650 { 1.234321234321234e-1L, "1.234321e-01" },
1651 { 1.234321234321234L, "1.234321e+00" },
1652 { 1.234321234321234e1L, "1.234321e+01" },
1653 { 1.234321234321234e2L, "1.234321e+02" },
1654 { 1.234321234321234e3L, "1.234321e+03" },
1655 { 1.234321234321234e4L, "1.234321e+04" },
1656 { 1.234321234321234e5L, "1.234321e+05" },
1657 { 1.234321234321234e6L, "1.234321e+06" },
1658 { 1.234321234321234e7L, "1.234321e+07" },
1659 { 1.234321234321234e8L, "1.234321e+08" },
1660 { 1.234321234321234e9L, "1.234321e+09" },
1661 { 1.234321234321234e10L, "1.234321e+10" },
1662 { 1.234321234321234e11L, "1.234321e+11" },
1663 { 1.234321234321234e12L, "1.234321e+12" },
1664 { 1.234321234321234e13L, "1.234321e+13" },
1665 { 1.234321234321234e14L, "1.234321e+14" },
1666 { 1.234321234321234e15L, "1.234321e+15" },
1667 { 1.234321234321234e16L, "1.234321e+16" },
1668 { 1.234321234321234e17L, "1.234321e+17" },
1669 { 1.234321234321234e18L, "1.234321e+18" },
1670 { 1.234321234321234e19L, "1.234321e+19" },
1671 { 1.234321234321234e20L, "1.234321e+20" },
1672 { 1.234321234321234e21L, "1.234321e+21" },
1673 { 1.234321234321234e22L, "1.234321e+22" },
1674 { 1.234321234321234e23L, "1.234321e+23" },
1675 { 1.234321234321234e24L, "1.234321e+24" },
1676 { 1.234321234321234e25L, "1.234321e+25" },
1677 { 1.234321234321234e26L, "1.234321e+26" },
1678 { 1.234321234321234e27L, "1.234321e+27" },
1679 { 1.234321234321234e28L, "1.234321e+28" },
1680 { 1.234321234321234e29L, "1.234321e+29" },
1681 { 1.234321234321234e30L, "1.234321e+30" },
1682 { 1.234321234321234e31L, "1.234321e+31" },
1683 { 1.234321234321234e32L, "1.234321e+32" },
1684 { 1.234321234321234e33L, "1.234321e+33" },
1685 { 1.234321234321234e34L, "1.234321e+34" },
1686 { 1.234321234321234e35L, "1.234321e+35" },
1687 { 1.234321234321234e36L, "1.234321e+36" }
1690 for (k = 0; k < SIZEOF (data); k++)
1694 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1695 ASSERT (strcmp (result, data[k].string) == 0);
1696 ASSERT (retval == strlen (result));
1700 { /* A negative number. */
1703 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1704 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1705 ASSERT (retval == strlen (result));
1708 { /* Positive zero. */
1711 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1712 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1713 ASSERT (retval == strlen (result));
1716 { /* Negative zero. */
1719 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1720 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1721 ASSERT (retval == strlen (result));
1724 { /* Positive infinity. */
1727 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1728 ASSERT (strcmp (result, "inf 33") == 0
1729 || strcmp (result, "infinity 33") == 0);
1730 ASSERT (retval == strlen (result));
1733 { /* Negative infinity. */
1736 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1737 ASSERT (strcmp (result, "-inf 33") == 0
1738 || strcmp (result, "-infinity 33") == 0);
1739 ASSERT (retval == strlen (result));
1743 static long double zero = 0.0L;
1746 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1747 ASSERT (strlen (result) >= 3 + 3
1748 && memcmp (result, "nan", 3) == 0
1749 && strcmp (result + strlen (result) - 3, " 33") == 0);
1750 ASSERT (retval == strlen (result));
1756 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
1757 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1758 ASSERT (retval == strlen (result));
1764 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
1765 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1766 ASSERT (retval == strlen (result));
1769 { /* FLAG_SHOWSIGN. */
1772 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
1773 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
1774 ASSERT (retval == strlen (result));
1780 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
1781 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
1782 ASSERT (retval == strlen (result));
1788 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
1789 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
1790 ASSERT (retval == strlen (result));
1796 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
1797 ASSERT (strcmp (result, "2.e+00 33") == 0);
1798 ASSERT (retval == strlen (result));
1804 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
1805 ASSERT (strcmp (result, "1.e+01 33") == 0);
1806 ASSERT (retval == strlen (result));
1809 { /* FLAG_ZERO with finite number. */
1812 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
1813 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
1814 ASSERT (retval == strlen (result));
1817 { /* FLAG_ZERO with infinite number. */
1820 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
1821 ASSERT (strcmp (result, " -inf 33") == 0
1822 || strcmp (result, " -infinity 33") == 0);
1823 ASSERT (retval == strlen (result));
1826 { /* FLAG_ZERO with NaN. */
1827 static long double zero = 0.0L;
1830 my_snprintf (result, sizeof (result), "%020Le %d", zero / zero, 33, 44, 55);
1831 ASSERT (strlen (result) == 20 + 3
1832 && memcmp (result + strspn (result, " "), "nan", 3) == 0
1833 && strcmp (result + strlen (result) - 3, " 33") == 0);
1834 ASSERT (retval == strlen (result));
1840 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
1841 ASSERT (strcmp (result, "1e+03 33") == 0);
1842 ASSERT (retval == strlen (result));
1845 /* Test the support of the %g format directive. */
1847 { /* A positive number. */
1850 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
1851 ASSERT (strcmp (result, "12.75 33") == 0);
1852 ASSERT (retval == strlen (result));
1855 { /* A larger positive number. */
1858 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
1859 ASSERT (strcmp (result, "1.23457e+06 33") == 0
1860 || strcmp (result, "1.23457e+006 33") == 0);
1861 ASSERT (retval == strlen (result));
1864 { /* Small and large positive numbers. */
1865 static struct { double value; const char *string; } data[] =
1867 { 1.234321234321234e-37, "1.23432e-37" },
1868 { 1.234321234321234e-36, "1.23432e-36" },
1869 { 1.234321234321234e-35, "1.23432e-35" },
1870 { 1.234321234321234e-34, "1.23432e-34" },
1871 { 1.234321234321234e-33, "1.23432e-33" },
1872 { 1.234321234321234e-32, "1.23432e-32" },
1873 { 1.234321234321234e-31, "1.23432e-31" },
1874 { 1.234321234321234e-30, "1.23432e-30" },
1875 { 1.234321234321234e-29, "1.23432e-29" },
1876 { 1.234321234321234e-28, "1.23432e-28" },
1877 { 1.234321234321234e-27, "1.23432e-27" },
1878 { 1.234321234321234e-26, "1.23432e-26" },
1879 { 1.234321234321234e-25, "1.23432e-25" },
1880 { 1.234321234321234e-24, "1.23432e-24" },
1881 { 1.234321234321234e-23, "1.23432e-23" },
1882 { 1.234321234321234e-22, "1.23432e-22" },
1883 { 1.234321234321234e-21, "1.23432e-21" },
1884 { 1.234321234321234e-20, "1.23432e-20" },
1885 { 1.234321234321234e-19, "1.23432e-19" },
1886 { 1.234321234321234e-18, "1.23432e-18" },
1887 { 1.234321234321234e-17, "1.23432e-17" },
1888 { 1.234321234321234e-16, "1.23432e-16" },
1889 { 1.234321234321234e-15, "1.23432e-15" },
1890 { 1.234321234321234e-14, "1.23432e-14" },
1891 { 1.234321234321234e-13, "1.23432e-13" },
1892 { 1.234321234321234e-12, "1.23432e-12" },
1893 { 1.234321234321234e-11, "1.23432e-11" },
1894 { 1.234321234321234e-10, "1.23432e-10" },
1895 { 1.234321234321234e-9, "1.23432e-09" },
1896 { 1.234321234321234e-8, "1.23432e-08" },
1897 { 1.234321234321234e-7, "1.23432e-07" },
1898 { 1.234321234321234e-6, "1.23432e-06" },
1899 { 1.234321234321234e-5, "1.23432e-05" },
1900 { 1.234321234321234e-4, "0.000123432" },
1901 { 1.234321234321234e-3, "0.00123432" },
1902 { 1.234321234321234e-2, "0.0123432" },
1903 { 1.234321234321234e-1, "0.123432" },
1904 { 1.234321234321234, "1.23432" },
1905 { 1.234321234321234e1, "12.3432" },
1906 { 1.234321234321234e2, "123.432" },
1907 { 1.234321234321234e3, "1234.32" },
1908 { 1.234321234321234e4, "12343.2" },
1909 { 1.234321234321234e5, "123432" },
1910 { 1.234321234321234e6, "1.23432e+06" },
1911 { 1.234321234321234e7, "1.23432e+07" },
1912 { 1.234321234321234e8, "1.23432e+08" },
1913 { 1.234321234321234e9, "1.23432e+09" },
1914 { 1.234321234321234e10, "1.23432e+10" },
1915 { 1.234321234321234e11, "1.23432e+11" },
1916 { 1.234321234321234e12, "1.23432e+12" },
1917 { 1.234321234321234e13, "1.23432e+13" },
1918 { 1.234321234321234e14, "1.23432e+14" },
1919 { 1.234321234321234e15, "1.23432e+15" },
1920 { 1.234321234321234e16, "1.23432e+16" },
1921 { 1.234321234321234e17, "1.23432e+17" },
1922 { 1.234321234321234e18, "1.23432e+18" },
1923 { 1.234321234321234e19, "1.23432e+19" },
1924 { 1.234321234321234e20, "1.23432e+20" },
1925 { 1.234321234321234e21, "1.23432e+21" },
1926 { 1.234321234321234e22, "1.23432e+22" },
1927 { 1.234321234321234e23, "1.23432e+23" },
1928 { 1.234321234321234e24, "1.23432e+24" },
1929 { 1.234321234321234e25, "1.23432e+25" },
1930 { 1.234321234321234e26, "1.23432e+26" },
1931 { 1.234321234321234e27, "1.23432e+27" },
1932 { 1.234321234321234e28, "1.23432e+28" },
1933 { 1.234321234321234e29, "1.23432e+29" },
1934 { 1.234321234321234e30, "1.23432e+30" },
1935 { 1.234321234321234e31, "1.23432e+31" },
1936 { 1.234321234321234e32, "1.23432e+32" },
1937 { 1.234321234321234e33, "1.23432e+33" },
1938 { 1.234321234321234e34, "1.23432e+34" },
1939 { 1.234321234321234e35, "1.23432e+35" },
1940 { 1.234321234321234e36, "1.23432e+36" }
1943 for (k = 0; k < SIZEOF (data); k++)
1947 my_snprintf (result, sizeof (result), "%g", data[k].value);
1948 const char *expected = data[k].string;
1949 ASSERT (strcmp (result, expected) == 0
1950 /* Some implementations produce exponents with 3 digits. */
1951 || (expected[strlen (expected) - 4] == 'e'
1952 && strlen (result) == strlen (expected) + 1
1953 && memcmp (result, expected, strlen (expected) - 2) == 0
1954 && result[strlen (expected) - 2] == '0'
1955 && strcmp (result + strlen (expected) - 1,
1956 expected + strlen (expected) - 2)
1958 ASSERT (retval == strlen (result));
1962 { /* A negative number. */
1965 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
1966 ASSERT (strcmp (result, "-0.03125 33") == 0);
1967 ASSERT (retval == strlen (result));
1970 { /* Positive zero. */
1973 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
1974 ASSERT (strcmp (result, "0 33") == 0);
1975 ASSERT (retval == strlen (result));
1978 { /* Negative zero. */
1981 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
1982 ASSERT (strcmp (result, "-0 33") == 0);
1983 ASSERT (retval == strlen (result));
1986 { /* Positive infinity. */
1989 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
1990 ASSERT (strcmp (result, "inf 33") == 0
1991 || strcmp (result, "infinity 33") == 0);
1992 ASSERT (retval == strlen (result));
1995 { /* Negative infinity. */
1998 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
1999 ASSERT (strcmp (result, "-inf 33") == 0
2000 || strcmp (result, "-infinity 33") == 0);
2001 ASSERT (retval == strlen (result));
2007 my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2008 ASSERT (strlen (result) >= 3 + 3
2009 && memcmp (result, "nan", 3) == 0
2010 && strcmp (result + strlen (result) - 3, " 33") == 0);
2011 ASSERT (retval == strlen (result));
2017 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2018 ASSERT (strcmp (result, " 1.75 33") == 0);
2019 ASSERT (retval == strlen (result));
2025 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2026 ASSERT (strcmp (result, "1.75 33") == 0);
2027 ASSERT (retval == strlen (result));
2030 { /* FLAG_SHOWSIGN. */
2033 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2034 ASSERT (strcmp (result, "+1.75 33") == 0);
2035 ASSERT (retval == strlen (result));
2041 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2042 ASSERT (strcmp (result, " 1.75 33") == 0);
2043 ASSERT (retval == strlen (result));
2049 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2050 ASSERT (strcmp (result, "1.75000 33") == 0);
2051 ASSERT (retval == strlen (result));
2057 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2058 ASSERT (strcmp (result, "2. 33") == 0);
2059 ASSERT (retval == strlen (result));
2065 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2066 ASSERT (strcmp (result, "1.e+01 33") == 0
2067 || strcmp (result, "1.e+001 33") == 0);
2068 ASSERT (retval == strlen (result));
2071 { /* FLAG_ZERO with finite number. */
2074 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2075 ASSERT (strcmp (result, "0000001234 33") == 0);
2076 ASSERT (retval == strlen (result));
2079 { /* FLAG_ZERO with infinite number. */
2082 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2083 ASSERT (strcmp (result, " -inf 33") == 0
2084 || strcmp (result, " -infinity 33") == 0);
2085 ASSERT (retval == strlen (result));
2088 { /* FLAG_ZERO with NaN. */
2091 my_snprintf (result, sizeof (result), "%020g %d", NaN (), 33, 44, 55);
2092 ASSERT (strlen (result) == 20 + 3
2093 && memcmp (result + strspn (result, " "), "nan", 3) == 0
2094 && strcmp (result + strlen (result) - 3, " 33") == 0);
2095 ASSERT (retval == strlen (result));
2101 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2102 ASSERT (strcmp (result, "1e+03 33") == 0
2103 || strcmp (result, "1e+003 33") == 0);
2104 ASSERT (retval == strlen (result));
2107 { /* A positive number. */
2110 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2111 ASSERT (strcmp (result, "12.75 33") == 0);
2112 ASSERT (retval == strlen (result));
2115 { /* A larger positive number. */
2118 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2119 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2120 ASSERT (retval == strlen (result));
2123 { /* Small and large positive numbers. */
2124 static struct { long double value; const char *string; } data[] =
2126 { 1.234321234321234e-37L, "1.23432e-37" },
2127 { 1.234321234321234e-36L, "1.23432e-36" },
2128 { 1.234321234321234e-35L, "1.23432e-35" },
2129 { 1.234321234321234e-34L, "1.23432e-34" },
2130 { 1.234321234321234e-33L, "1.23432e-33" },
2131 { 1.234321234321234e-32L, "1.23432e-32" },
2132 { 1.234321234321234e-31L, "1.23432e-31" },
2133 { 1.234321234321234e-30L, "1.23432e-30" },
2134 { 1.234321234321234e-29L, "1.23432e-29" },
2135 { 1.234321234321234e-28L, "1.23432e-28" },
2136 { 1.234321234321234e-27L, "1.23432e-27" },
2137 { 1.234321234321234e-26L, "1.23432e-26" },
2138 { 1.234321234321234e-25L, "1.23432e-25" },
2139 { 1.234321234321234e-24L, "1.23432e-24" },
2140 { 1.234321234321234e-23L, "1.23432e-23" },
2141 { 1.234321234321234e-22L, "1.23432e-22" },
2142 { 1.234321234321234e-21L, "1.23432e-21" },
2143 { 1.234321234321234e-20L, "1.23432e-20" },
2144 { 1.234321234321234e-19L, "1.23432e-19" },
2145 { 1.234321234321234e-18L, "1.23432e-18" },
2146 { 1.234321234321234e-17L, "1.23432e-17" },
2147 { 1.234321234321234e-16L, "1.23432e-16" },
2148 { 1.234321234321234e-15L, "1.23432e-15" },
2149 { 1.234321234321234e-14L, "1.23432e-14" },
2150 { 1.234321234321234e-13L, "1.23432e-13" },
2151 { 1.234321234321234e-12L, "1.23432e-12" },
2152 { 1.234321234321234e-11L, "1.23432e-11" },
2153 { 1.234321234321234e-10L, "1.23432e-10" },
2154 { 1.234321234321234e-9L, "1.23432e-09" },
2155 { 1.234321234321234e-8L, "1.23432e-08" },
2156 { 1.234321234321234e-7L, "1.23432e-07" },
2157 { 1.234321234321234e-6L, "1.23432e-06" },
2158 { 1.234321234321234e-5L, "1.23432e-05" },
2159 { 1.234321234321234e-4L, "0.000123432" },
2160 { 1.234321234321234e-3L, "0.00123432" },
2161 { 1.234321234321234e-2L, "0.0123432" },
2162 { 1.234321234321234e-1L, "0.123432" },
2163 { 1.234321234321234L, "1.23432" },
2164 { 1.234321234321234e1L, "12.3432" },
2165 { 1.234321234321234e2L, "123.432" },
2166 { 1.234321234321234e3L, "1234.32" },
2167 { 1.234321234321234e4L, "12343.2" },
2168 { 1.234321234321234e5L, "123432" },
2169 { 1.234321234321234e6L, "1.23432e+06" },
2170 { 1.234321234321234e7L, "1.23432e+07" },
2171 { 1.234321234321234e8L, "1.23432e+08" },
2172 { 1.234321234321234e9L, "1.23432e+09" },
2173 { 1.234321234321234e10L, "1.23432e+10" },
2174 { 1.234321234321234e11L, "1.23432e+11" },
2175 { 1.234321234321234e12L, "1.23432e+12" },
2176 { 1.234321234321234e13L, "1.23432e+13" },
2177 { 1.234321234321234e14L, "1.23432e+14" },
2178 { 1.234321234321234e15L, "1.23432e+15" },
2179 { 1.234321234321234e16L, "1.23432e+16" },
2180 { 1.234321234321234e17L, "1.23432e+17" },
2181 { 1.234321234321234e18L, "1.23432e+18" },
2182 { 1.234321234321234e19L, "1.23432e+19" },
2183 { 1.234321234321234e20L, "1.23432e+20" },
2184 { 1.234321234321234e21L, "1.23432e+21" },
2185 { 1.234321234321234e22L, "1.23432e+22" },
2186 { 1.234321234321234e23L, "1.23432e+23" },
2187 { 1.234321234321234e24L, "1.23432e+24" },
2188 { 1.234321234321234e25L, "1.23432e+25" },
2189 { 1.234321234321234e26L, "1.23432e+26" },
2190 { 1.234321234321234e27L, "1.23432e+27" },
2191 { 1.234321234321234e28L, "1.23432e+28" },
2192 { 1.234321234321234e29L, "1.23432e+29" },
2193 { 1.234321234321234e30L, "1.23432e+30" },
2194 { 1.234321234321234e31L, "1.23432e+31" },
2195 { 1.234321234321234e32L, "1.23432e+32" },
2196 { 1.234321234321234e33L, "1.23432e+33" },
2197 { 1.234321234321234e34L, "1.23432e+34" },
2198 { 1.234321234321234e35L, "1.23432e+35" },
2199 { 1.234321234321234e36L, "1.23432e+36" }
2202 for (k = 0; k < SIZEOF (data); k++)
2206 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2207 ASSERT (strcmp (result, data[k].string) == 0);
2208 ASSERT (retval == strlen (result));
2212 { /* A negative number. */
2215 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2216 ASSERT (strcmp (result, "-0.03125 33") == 0);
2217 ASSERT (retval == strlen (result));
2220 { /* Positive zero. */
2223 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2224 ASSERT (strcmp (result, "0 33") == 0);
2225 ASSERT (retval == strlen (result));
2228 { /* Negative zero. */
2231 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2232 ASSERT (strcmp (result, "-0 33") == 0);
2233 ASSERT (retval == strlen (result));
2236 { /* Positive infinity. */
2239 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2240 ASSERT (strcmp (result, "inf 33") == 0
2241 || strcmp (result, "infinity 33") == 0);
2242 ASSERT (retval == strlen (result));
2245 { /* Negative infinity. */
2248 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2249 ASSERT (strcmp (result, "-inf 33") == 0
2250 || strcmp (result, "-infinity 33") == 0);
2251 ASSERT (retval == strlen (result));
2255 static long double zero = 0.0L;
2258 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2259 ASSERT (strlen (result) >= 3 + 3
2260 && memcmp (result, "nan", 3) == 0
2261 && strcmp (result + strlen (result) - 3, " 33") == 0);
2262 ASSERT (retval == strlen (result));
2268 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2269 ASSERT (strcmp (result, " 1.75 33") == 0);
2270 ASSERT (retval == strlen (result));
2276 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2277 ASSERT (strcmp (result, "1.75 33") == 0);
2278 ASSERT (retval == strlen (result));
2281 { /* FLAG_SHOWSIGN. */
2284 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2285 ASSERT (strcmp (result, "+1.75 33") == 0);
2286 ASSERT (retval == strlen (result));
2292 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2293 ASSERT (strcmp (result, " 1.75 33") == 0);
2294 ASSERT (retval == strlen (result));
2300 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2301 ASSERT (strcmp (result, "1.75000 33") == 0);
2302 ASSERT (retval == strlen (result));
2308 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2309 ASSERT (strcmp (result, "2. 33") == 0);
2310 ASSERT (retval == strlen (result));
2316 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2317 ASSERT (strcmp (result, "1.e+01 33") == 0);
2318 ASSERT (retval == strlen (result));
2321 { /* FLAG_ZERO with finite number. */
2324 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2325 ASSERT (strcmp (result, "0000001234 33") == 0);
2326 ASSERT (retval == strlen (result));
2329 { /* FLAG_ZERO with infinite number. */
2332 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2333 ASSERT (strcmp (result, " -inf 33") == 0
2334 || strcmp (result, " -infinity 33") == 0);
2335 ASSERT (retval == strlen (result));
2338 { /* FLAG_ZERO with NaN. */
2339 static long double zero = 0.0L;
2342 my_snprintf (result, sizeof (result), "%020Lg %d", zero / zero, 33, 44, 55);
2343 ASSERT (strlen (result) == 20 + 3
2344 && memcmp (result + strspn (result, " "), "nan", 3) == 0
2345 && strcmp (result + strlen (result) - 3, " 33") == 0);
2346 ASSERT (retval == strlen (result));
2352 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2353 ASSERT (strcmp (result, "1e+03 33") == 0);
2354 ASSERT (retval == strlen (result));
2357 /* Test the support of the %n format directive. */
2363 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2364 ASSERT (strcmp (result, "123 ") == 0);
2365 ASSERT (retval == strlen (result));
2366 ASSERT (count == 4);
2369 /* Test the support of the POSIX/XSI format strings with positions. */
2374 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2375 ASSERT (strcmp (result, "55 33") == 0);
2376 ASSERT (retval == strlen (result));
2379 /* Test the support of the grouping flag. */
2384 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2385 ASSERT (result[strlen (result) - 1] == '9');
2386 ASSERT (retval == strlen (result));