t_snprintb.c revision 1.36
1 /* $NetBSD: t_snprintb.c,v 1.36 2024/04/08 21:28:35 rillig Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2004, 2008, 2010, 2024 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code was contributed to The NetBSD Foundation by Christos Zoulas and 8 * Roland Illig. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __COPYRIGHT("@(#) Copyright (c) 2008, 2010, 2024\ 34 The NetBSD Foundation, inc. All rights reserved."); 35 __RCSID("$NetBSD: t_snprintb.c,v 1.36 2024/04/08 21:28:35 rillig Exp $"); 36 37 #include <stdio.h> 38 #include <string.h> 39 #include <util.h> 40 #include <vis.h> 41 42 #include <atf-c.h> 43 44 static const char * 45 vis_arr(char *buf, size_t bufsize, const char *arr, size_t arrsize) 46 { 47 ATF_REQUIRE(bufsize >= 2); 48 int rv = strnvisx(buf + 1, bufsize - 2, arr, arrsize, 49 VIS_WHITE | VIS_OCTAL); 50 ATF_REQUIRE_MSG(rv >= 0, "buffer too small for size %zu", arrsize); 51 buf[0] = '"'; 52 buf[1 + rv] = '"'; 53 buf[1 + rv + 1] = '\0'; 54 return buf; 55 } 56 57 static void 58 check_snprintb_m(const char *file, size_t line, 59 size_t bufsize, const char *bitfmt, size_t bitfmtlen, uint64_t val, 60 size_t line_max, 61 int want_rv, const char *want_buf, size_t want_bufsize) 62 { 63 char buf[1024], vis_bitfmt[1024], vis_want_buf[1024], vis_buf[1024]; 64 65 ATF_REQUIRE(bufsize <= sizeof(buf)); 66 ATF_REQUIRE(want_bufsize <= sizeof(buf)); 67 if (bitfmtlen > 2 && bitfmt[0] == '\177') 68 ATF_REQUIRE_MSG( 69 bitfmt[bitfmtlen - 1] == '\0', 70 "%s:%zu: missing trailing '\\0' in new-style bitfmt", 71 file, line); 72 if (bufsize == 0) 73 want_bufsize = 0; 74 memset(buf, 0x5a, sizeof(buf)); 75 76 int rv = snprintb_m(buf, bufsize, bitfmt, val, line_max); 77 78 size_t have_bufsize = sizeof(buf); 79 while (have_bufsize > 0 && buf[have_bufsize - 1] == 0x5a) 80 have_bufsize--; 81 if (rv > 0 && (unsigned)rv < have_bufsize 82 && buf[rv - 1] == '\0' && buf[rv] == '\0') 83 have_bufsize = rv + 1; 84 if (rv < 0) 85 for (size_t i = have_bufsize; i >= 2; i--) 86 if (buf[i - 2] == '\0' && buf[i - 1] == '\0') 87 have_bufsize = i; 88 89 ATF_CHECK_MSG( 90 rv == want_rv 91 && memcmp(buf, want_buf, want_bufsize) == 0 92 && (line_max == 0 || have_bufsize < 2 93 || buf[have_bufsize - 2] == '\0') 94 && (have_bufsize < 1 || buf[have_bufsize - 1] == '\0'), 95 "failed:\n" 96 "\ttest case: %s:%zu\n" 97 "\tformat: %s\n" 98 "\tvalue: %#jx\n" 99 "\tline_max: %zu\n" 100 "\twant: %d bytes %s\n" 101 "\thave: %d bytes %s\n", 102 file, line, 103 vis_arr(vis_bitfmt, sizeof(vis_bitfmt), bitfmt, bitfmtlen), 104 (uintmax_t)val, 105 line_max, 106 want_rv, vis_arr(vis_want_buf, sizeof(vis_want_buf), 107 want_buf, want_bufsize), 108 rv, vis_arr(vis_buf, sizeof(vis_buf), buf, have_bufsize)); 109 } 110 111 #define h_snprintb_m_len(bufsize, bitfmt, val, line_max, \ 112 want_rv, want_buf) \ 113 check_snprintb_m(__FILE__, __LINE__, \ 114 bufsize, bitfmt, sizeof(bitfmt) - 1, val, line_max, \ 115 want_rv, want_buf, sizeof(want_buf)) 116 117 #define h_snprintb(bitfmt, val, want_buf) \ 118 h_snprintb_m_len(1024, bitfmt, val, 0, sizeof(want_buf) - 1, want_buf) 119 120 #define h_snprintb_len(bufsize, bitfmt, val, want_rv, want_buf) \ 121 h_snprintb_m_len(bufsize, bitfmt, val, 0, want_rv, want_buf) 122 123 #define h_snprintb_error(bitfmt, want_buf) \ 124 h_snprintb_m_len(1024, bitfmt, 0x00, 0, -1, want_buf) 125 126 #define h_snprintb_val_error(bitfmt, val, want_buf) \ 127 h_snprintb_m_len(1024, bitfmt, val, 0, -1, want_buf) 128 129 #define h_snprintb_m(bitfmt, val, line_max, want_buf) \ 130 h_snprintb_m_len(1024, bitfmt, val, line_max, \ 131 sizeof(want_buf) - 1, want_buf) 132 133 ATF_TC(snprintb); 134 ATF_TC_HEAD(snprintb, tc) 135 { 136 atf_tc_set_md_var(tc, "descr", "Checks snprintb(3)"); 137 } 138 ATF_TC_BODY(snprintb, tc) 139 { 140 141 // style and number base, old style, octal, zero value 142 // 143 // The value 0 does not get a leading '0'. 144 h_snprintb( 145 "\010", 146 0x00, 147 "0"); 148 149 // style and number base, old style, octal, nonzero value 150 // 151 // Nonzero octal values get a leading '0'. 152 h_snprintb( 153 "\010", 154 0xff, 155 "0377"); 156 157 // style and number base, old style, decimal, zero value 158 h_snprintb( 159 "\012", 160 0x00, 161 "0"); 162 163 // style and number base, old style, decimal, nonzero value 164 h_snprintb( 165 "\012", 166 0xff, 167 "255"); 168 169 // style and number base, old style, hexadecimal, zero value 170 // 171 // The value 0 does not get a leading '0x'. 172 h_snprintb( 173 "\020", 174 0x00, 175 "0"); 176 177 // style and number base, old style, hexadecimal, nonzero value 178 // 179 // Nonzero hexadecimal values get a leading '0x'. 180 h_snprintb( 181 "\177\020", 182 0xff, 183 "0xff"); 184 185 // style and number base, old style, invalid base 0 186 h_snprintb_error( 187 "", 188 "#"); 189 190 // style and number base, old style, invalid base 2 191 h_snprintb_error( 192 "\002", 193 "#"); 194 195 // style and number base, old style, invalid base 255 or -1 196 h_snprintb_error( 197 "\377", 198 "#"); 199 200 // style and number base, new style, octal, zero value 201 // 202 // The value 0 does not get a leading '0'. 203 h_snprintb( 204 "\177\010", 205 0x00, 206 "0"); 207 208 // style and number base, new style, octal, nonzero value 209 // 210 // Nonzero octal values get a leading '0'. 211 h_snprintb( 212 "\177\010", 213 0xff, 214 "0377"); 215 216 // style and number base, new style, decimal, zero value 217 h_snprintb( 218 "\177\012", 219 0x00, 220 "0"); 221 222 // style and number base, new style, decimal, nonzero value 223 h_snprintb( 224 "\177\012", 225 0xff, 226 "255"); 227 228 // style and number base, new style, hexadecimal, zero value 229 // 230 // The value 0 does not get a leading '0x'. 231 h_snprintb( 232 "\177\020", 233 0x00, 234 "0"); 235 236 // style and number base, new style, hexadecimal, nonzero value 237 // 238 // Nonzero hexadecimal values get a leading '0x'. 239 h_snprintb( 240 "\177\020", 241 0xff, 242 "0xff"); 243 244 // style and number base, new style, invalid number base 0 245 h_snprintb_error( 246 "\177", 247 "#"); 248 249 // style and number base, new style, invalid number base 2 250 h_snprintb_error( 251 "\177\002", 252 "#"); 253 254 // style and number base, new style, invalid number base 255 or -1 255 h_snprintb_error( 256 "\177\377", 257 "#"); 258 259 // old style, from lsb to msb 260 h_snprintb( 261 "\020" 262 "\001bit1" 263 "\002bit2" 264 "\037bit31" 265 "\040bit32", 266 0xffffffff80000001, 267 "0xffffffff80000001<bit1,bit32>"); 268 269 // old style, invalid bit number, at the beginning 270 h_snprintb_error( 271 "\020" 272 "\041invalid", 273 "0#"); 274 275 // old style, invalid bit number, in the middle 276 // 277 // The old-style format supports only 32 bits, interpreting the 278 // \041 as part of the text belonging to bit 1. 279 h_snprintb( 280 "\020" 281 "\001bit1" 282 "\041bit33", 283 0x01, 284 "0x1<bit1!bit33>"); 285 286 // old style, repeated bit numbers 287 // 288 // When a bit number is mentioned more than once, 289 // this is most likely a typo. 290 h_snprintb( 291 "\020" 292 "\001once" 293 "\001again", 294 0x01, 295 "0x1<once,again>"); 296 297 // old style, non-printable description 298 // 299 // The characters ' ' and '\t' are interpreted as bit numbers, 300 // not as part of the description; the visual arrangement in this 301 // example is intentionally misleading. 302 h_snprintb( 303 "\020" 304 "\001least significant" 305 "\002horizontal\ttab" 306 "\003\xC3\xA4", 307 0xff, 308 "0xff<least,horizontal,\xC3\xA4>"); 309 310 // old style, empty description 311 // 312 // The description of a bit in the old format must not be empty, 313 // to prevent multiple commas in a row. 314 h_snprintb_val_error( 315 "\020" 316 "\001lsb" 317 "\004" 318 "\005" 319 "\010msb", 320 0xff, 321 "0xff<lsb#"); 322 323 // old style, buffer size 0, null buffer 324 // 325 // If the buffer size is 0, the buffer is not accessed at all and 326 // may be a null pointer. 327 int null_rv_old = snprintb(NULL, 0, "\020\001lsb", 0x01); 328 ATF_CHECK_MSG( 329 null_rv_old == 8, 330 "want length 8, have %d", null_rv_old); 331 332 // old style, buffer too small for value 333 h_snprintb_len( 334 1, "\020", 0x00, 335 1, ""); 336 337 // old style, buffer large enough for zero value 338 h_snprintb_len( 339 2, "\020", 0x00, 340 1, "0"); 341 342 // old style, buffer too small for nonzero value 343 h_snprintb_len( 344 3, "\020", 0x07, 345 3, "0#"); 346 347 // old style, buffer large enough for nonzero value 348 h_snprintb_len( 349 4, "\020", 0x07, 350 3, "0x7"); 351 352 // old style, buffer too small for '<' 353 h_snprintb_len( 354 4, "\020\001lsb", 0x07, 355 8, "0x#"); 356 357 // old style, buffer too small for description 358 h_snprintb_len( 359 7, "\020\001lsb", 0x07, 360 8, "0x7<l#"); 361 362 // old style, buffer too small for '>' 363 h_snprintb_len( 364 8, "\020\001lsb", 0x07, 365 8, "0x7<ls#"); 366 367 // old style, buffer large enough for '>' 368 h_snprintb_len( 369 9, "\020\001lsb", 0x07, 370 8, "0x7<lsb>"); 371 372 // old style, buffer too small for second description 373 h_snprintb_len( 374 9, "\020\001one\002two", 0x07, 375 12, "0x7<one#"); 376 377 // old style, buffer too small for second description 378 h_snprintb_len( 379 10, "\020\001one\002two", 0x07, 380 12, "0x7<one,#"); 381 382 // old style, buffer too small for '>' after second description 383 h_snprintb_len( 384 12, "\020\001one\002two", 0x07, 385 12, "0x7<one,tw#"); 386 387 // old style, buffer large enough for '>' after second description 388 h_snprintb_len( 389 13, "\020\001one\002two", 0x07, 390 12, "0x7<one,two>"); 391 392 // new style, buffer size 0, null buffer 393 // 394 // If the buffer size is 0, the buffer may be NULL. 395 int null_rv_new = snprintb(NULL, 0, "\177\020b\000lsb\0", 0x01); 396 ATF_CHECK_MSG( 397 null_rv_new == 8, 398 "want length 8, have %d", null_rv_new); 399 400 // new style single bits 401 h_snprintb( 402 "\177\020" 403 "b\000lsb\0" 404 "b\001above-lsb\0" 405 "b\037bit31\0" 406 "b\040bit32\0" 407 "b\076below-msb\0" 408 "b\077msb\0", 409 0x8000000180000001, 410 "0x8000000180000001<lsb,bit31,bit32,msb>"); 411 412 // new style single bits, duplicate bits 413 h_snprintb( 414 "\177\020" 415 "b\000lsb\0" 416 "b\000lsb\0" 417 "b\000lsb\0", 418 0xff, 419 "0xff<lsb,lsb,lsb>"); 420 421 // new style single bits, 'b' with empty description 422 // 423 // The description of a 'b' conversion must not be empty, as the 424 // output would contain several commas in a row. 425 h_snprintb_val_error( 426 "\177\020" 427 "b\000lsb\0" 428 "b\001\0" 429 "b\002\0" 430 "b\007msb\0", 431 0xff, 432 "0xff<lsb#"); 433 434 // new style single bits, bit number too large 435 h_snprintb_error( 436 "\177\020" 437 "b\100too-high\0", 438 "0#"); 439 h_snprintb_error( 440 "\177\020" 441 "b\377too-high\0", 442 "0#"); 443 444 // new style single bits, non-printable description 445 // 446 // Contrary to the old-style format, the new-style format allows 447 // arbitrary characters in the description, even control characters 448 // and non-ASCII characters. 449 h_snprintb( 450 "\177\020" 451 "b\000space \t \xC3\xA4\0", 452 0x1, 453 "0x1<space \t \xC3\xA4>"); 454 455 // new style named bit-field, octal 456 // 457 // The bit-field value gets a leading '0' iff it is nonzero. 458 h_snprintb( 459 "\177\010" 460 "f\000\010byte0\0" 461 "f\010\010byte1\0", 462 0x0100, 463 "0400<byte0=0,byte1=01>"); 464 465 // new style named bit-field, decimal 466 h_snprintb( 467 "\177\012" 468 "f\000\010byte0\0" 469 "f\010\010byte1\0", 470 0x0100, 471 "256<byte0=0,byte1=1>"); 472 473 // new style named bit-field, hexadecimal 474 // 475 // The bit-field value gets a leading '0x' iff it is nonzero. 476 h_snprintb( 477 "\177\020" 478 "f\000\010byte0\0" 479 "f\010\010byte1\0", 480 0x0100, 481 "0x100<byte0=0,byte1=0x1>"); 482 483 // new style bit-field, from 0 width 0 484 h_snprintb( 485 "\177\020" 486 "f\000\000zero-width\0" 487 "=\000zero\0", 488 0xffff, 489 "0xffff<zero-width=0=zero>"); 490 491 // new style bit-field, from 0 width 1 492 h_snprintb( 493 "\177\020" 494 "f\000\001lsb\0" 495 "=\000zero\0" 496 "=\001one\0", 497 0x0, 498 "0<lsb=0=zero>"); 499 h_snprintb( 500 "\177\020" 501 "f\000\001lsb\0" 502 "=\000zero\0" 503 "=\001one\0", 504 0x1, 505 "0x1<lsb=0x1=one>"); 506 507 // new style bit-field, from 0 width 63 508 h_snprintb( 509 "\177\020" 510 "f\000\077uint63\0" 511 "=\125match\0", 512 0xaaaa5555aaaa5555, 513 "0xaaaa5555aaaa5555<uint63=0x2aaa5555aaaa5555>"); 514 515 // new style bit-field, from 0 width 64 516 h_snprintb( 517 "\177\020" 518 "f\000\100uint64\0" 519 "=\125match\0", 520 0xaaaa5555aaaa5555, 521 "0xaaaa5555aaaa5555<uint64=0xaaaa5555aaaa5555>"); 522 523 // new style bit-field, from 0 width 65 524 h_snprintb_error( 525 "\177\020" 526 "f\000\101uint65\0", 527 "0#"); 528 529 // new style bit-field, from 1 width 8 530 h_snprintb( 531 "\177\020" 532 "f\001\010uint8\0" 533 "=\203match\0", 534 0x0106, 535 "0x106<uint8=0x83=match>"); 536 537 // new style bit-field, from 1 width 9 538 // 539 // The '=' and ':' directives can match a bit-field value between 540 // 0 and 255, independent of the bit-field's width. 541 h_snprintb( 542 "\177\020" 543 "f\001\011uint9\0" 544 "=\203match\0" 545 "*=default-f\0" 546 "F\001\011\0" 547 ":\203match\0" 548 "*default-F\0", 549 0x0306, 550 "0x306<uint9=0x183=default-f,default-F>"); 551 552 // new style bit-field, from 24 width 32 553 h_snprintb( 554 "\177\020" 555 "f\030\040uint32\0", 556 0xaaaa555500000000, 557 "0xaaaa555500000000<uint32=0xaa555500>"); 558 559 // new style bit-field, from 60 width 4 560 h_snprintb( 561 "\177\020" 562 "f\074\004uint4\0", 563 0xf555555555555555, 564 "0xf555555555555555<uint4=0xf>"); 565 566 // new style bit-field, from 60 width 5 567 // 568 // The end of the bit-field is out of bounds. 569 h_snprintb( 570 "\177\020" 571 "f\074\005uint5\0", 572 0xf555555555555555, 573 "0xf555555555555555<uint5=0xf>"); 574 575 // new style bit-field, from 64 width 0 576 // 577 // The beginning of the bit-field is out of bounds, the end is fine. 578 h_snprintb_error( 579 "\177\020" 580 "f\100\000uint0\0", 581 "0#"); 582 583 // new style bit-field, from 65 width 0 584 // 585 // The beginning and end of the bit-field are out of bounds. 586 h_snprintb_error( 587 "\177\020" 588 "f\101\000uint0\0", 589 "0#"); 590 591 // new style bit-field, 'f' with empty description 592 // 593 // The description of an 'f' conversion must not be empty, as the 594 // output would contain an isolated '='. 595 h_snprintb_val_error( 596 "\177\020" 597 "f\000\004\0" 598 "=\001one\0", 599 0x1, 600 "0x1#"); 601 602 // new style bit-field, non-printable description 603 // 604 // Contrary to the old-style format, the new-style format allows 605 // arbitrary characters in the description, even control characters 606 // and non-ASCII characters. 607 h_snprintb( 608 "\177\020" 609 "f\000\010\t \xC3\xA4\0" 610 "=\001\t \xC3\xA4\0" 611 "F\000\010\0" 612 ":\001\t \xC3\xA4\0" 613 "F\000\010\0" 614 "*\t \xC3\xA4\0", 615 0x1, 616 "0x1<\t \xC3\xA4=0x1=\t \xC3\xA4,\t \xC3\xA4,\t \xC3\xA4>"); 617 618 // new style bit-field, '=' with empty description 619 // 620 // The description of a '=' conversion must not be empty, as the 621 // output would contain several '=' in a row. 622 h_snprintb_val_error( 623 "\177\020" 624 "f\000\004f\0" 625 "=\001one\0" 626 "=\001\0" 627 "=\001\0", 628 0x1, 629 "0x1<f=0x1=one#"); 630 631 // new style bit-field, 'F' followed by ':' with empty description 632 // 633 // The description of a ':' conversion must not be empty, as the 634 // output would contain empty angle brackets. 635 h_snprintb_val_error( 636 "\177\020" 637 "F\000\004\0" 638 ":\001\0" 639 "*default\0", 640 0x1, 641 "0x1<#"); 642 643 // new style bit-field, 'F', ':' with empty description, '*' 644 // 645 // The description of a ':' conversion must not be empty, as the 646 // output would contain empty angle brackets. Not in this particular 647 // test case, as the value is different, but the structural error is 648 // detected nevertheless. 649 h_snprintb_val_error( 650 "\177\020" 651 "F\000\004\0" 652 ":\001\0" 653 "*default\0", 654 0x2, 655 "0x2<#"); 656 657 // new style bit-field, 'f' with non-exhaustive '=' 658 h_snprintb( 659 "\177\020" 660 "f\000\004Field\0" 661 "=\1one\0" 662 "=\2two\0", 663 0x3, 664 "0x3<Field=0x3>"); 665 666 // new style bit-field, 'F' with non-exhaustive ':' 667 // 668 // An unnamed bit-field that does not match any values generates empty 669 // angle brackets, which looks confusing. The ':' directives should 670 // either be exhaustive, or there should be a '*' catch-all directive. 671 h_snprintb( 672 "\177\020" 673 "F\000\004\0" 674 ":\1one\0" 675 ":\2two\0", 676 0x3, 677 "0x3<>"); 678 679 // new style bit-field, 'F' with non-exhaustive ':' 680 // 681 // A bit-field that does not match any values generates multiple commas 682 // in a row, which looks confusing. The ':' conversions should either be 683 // exhaustive, or there should be a '*' catch-all conversion. 684 h_snprintb( 685 "\177\020" 686 "b\000bit0\0" 687 "F\000\004\0" 688 ":\1one\0" 689 ":\2two\0" 690 "b\001bit1\0", 691 0x3, 692 "0x3<bit0,,bit1>"); 693 694 // new style bit-field, '=', can never match 695 // 696 // The extracted value from the bit-field has 7 bits and is thus less 697 // than 128, therefore it can neither match 128 nor 255. 698 h_snprintb( 699 "\177\020" 700 "f\000\007f\0" 701 "=\200never\0" 702 "=\377never\0", 703 0xff, 704 "0xff<f=0x7f>"); 705 706 // new style, two separate bit-fields 707 h_snprintb( 708 "\177\020" 709 "f\000\004f1\0" 710 "=\001one\0" 711 "=\002two\0" 712 "f\004\004f2\0" 713 "=\001one\0" 714 "=\002two\0", 715 0x12, 716 "0x12<f1=0x2=two,f2=0x1=one>"); 717 718 // new style, mixed named and unnamed bit-fields 719 h_snprintb( 720 "\177\020" 721 "f\000\004f1\0" 722 "=\001one\0" 723 "=\002two\0" 724 "F\010\004\0" 725 ":\015thirteen\0" 726 "f\004\004f2\0" 727 "=\001one\0" 728 "=\002two\0", 729 0x0d12, 730 "0xd12<f1=0x2=two,thirteen,f2=0x1=one>"); 731 732 // new style bit-field, overlapping 733 h_snprintb( 734 "\177\020" 735 "f\000\004lo\0" 736 "f\002\004mid\0" 737 "f\004\004hi\0" 738 "f\000\010all\0", 739 0x18, 740 "0x18<lo=0x8,mid=0x6,hi=0x1,all=0x18>"); 741 742 // new style bit-field, difference between '=' and ':' 743 // 744 // The ':' conversion can almost emulate the '=' conversion, without the 745 // numeric output and with a different separator. It's best to use 746 // either 'f' with '=', or 'F' with ':', but not mix them. 747 h_snprintb( 748 "\177\020" 749 "f\000\004field\0" 750 "=\010f-value\0" 751 "F\000\000\0" // Use an empty bit-field 752 ":\000separator\0" // to generate a separator. 753 "F\000\004\0" 754 ":\010F-value\0", 755 0x18, 756 "0x18<field=0x8=f-value,separator,F-value>"); 757 758 // new style bit-field default, fixed string 759 // 760 // The 'f' conversion pairs up with the '=' conversion, 761 // the 'F' conversion pairs up with the ':' conversion, 762 // but there's only one 'default' conversion for both variants, 763 // so its description should include the '=' when used with 'f' but 764 // not with 'F'. 765 h_snprintb( 766 "\177\020" 767 "f\030\010f1\0" 768 "*default\0" 769 "f\020\010f2\0" 770 "*=default\0" 771 "F\010\010\0" 772 "*default\0" 773 "F\010\010\0" 774 "*=default\0", 775 0x11223344, 776 "0x11223344<f1=0x11default,f2=0x22=default,default,=default>"); 777 778 // new style bit-field default, numeric conversion specifier 779 h_snprintb( 780 "\177\020" 781 "f\010\010f\0" 782 "*=f(%ju)\0" 783 "F\000\010F\0" 784 "*F(%ju)\0", 785 0x1122, 786 "0x1122<f=0x11=f(17),F(34)>"); 787 788 // new style bit-field default, can never match 789 // 790 // The '=' conversion are exhaustive, making the '*' redundant. 791 h_snprintb( 792 "\177\020" 793 "f\010\002f\0" 794 "=\000zero\0" 795 "=\001one\0" 796 "=\002two\0" 797 "=\003three\0" 798 "*default\0", 799 0xff00, 800 "0xff00<f=0x3=three>"); 801 802 // new style bit-field default, invalid conversion specifier 803 // 804 // There is no reliable way to make snprintf return an error, as such 805 // errors are defined as undefined behavior in the C standard. 806 // Instead, here's a conversion specifier that produces a literal '%'. 807 h_snprintb( 808 "\177\020" 809 "f\000\010f\0" 810 "*=%030ju%%\0", 811 0xff, 812 "0xff<f=0xff=000000000000000000000000000255%>"); 813 814 // new style unknown conversion, at the beginning 815 h_snprintb_val_error( 816 "\177\020" 817 "unknown\0", 818 0xff, 819 "0xff#"); 820 821 // new style unknown conversion, after a known conversion 822 h_snprintb_val_error( 823 "\177\020" 824 "b\007msb\0" 825 "unknown\0", 826 0xff, 827 "0xff<msb#"); 828 829 // new style combinations, 'b' '=' 830 // 831 // A '=' conversion requires a preceding 'f' conversion. 832 h_snprintb_val_error( 833 "\177\020" 834 "b\004bit4\0" 835 "=\000clear\0" 836 "=\001set\0" 837 "=\245complete\0" 838 "b\000bit0\0" 839 "=\000clear\0" 840 "=\001set\0" 841 "=\245complete\0", 842 0xa5, 843 "0xa5#"); 844 845 // new style combinations, 'b' ':' 846 // 847 // A ':' conversion requires a preceding 'f' or 'F' conversion. 848 h_snprintb_val_error( 849 "\177\020" 850 "b\004bit4\0" 851 ":\000clear\0" 852 ":\001set\0" 853 ":\245complete\0" 854 "b\000bit0\0" 855 ":\000clear\0" 856 ":\001set\0" 857 ":\245complete\0", 858 0xa5, 859 "0xa5#"); 860 861 // new style combinations, 'b' '*' 862 // 863 // A '*' conversion requires a preceding 'f' or 'F' conversion. 864 h_snprintb_val_error( 865 "\177\020" 866 "b\004bit4\0" 867 "*default(%ju)\0" 868 "b\000bit0\0" 869 "*default(%ju)\0", 870 0xa5, 871 "0xa5#"); 872 873 // new style combinations, 'f' 'b' '=' 874 // 875 // A '=' conversion requires a preceding 'f' conversion, there must 876 // not be a 'b' conversion in between. 877 h_snprintb_val_error( 878 "\177\020" 879 "f\000\010f\0" 880 "b\005bit5\0" 881 "=\245match\0", 882 0xa5, 883 "0xa5<f=0xa5,bit5#"); 884 885 // new style combinations, 'F' 'b' ':' 886 // 887 // A ':' conversion requires a preceding 'F' conversion, there must 888 // not be a 'b' conversion in between. 889 // 890 // The isolated leading comma is produced by the non-exhaustive 'F' 891 // conversion. Detecting these at runtime would be too costly. 892 h_snprintb_val_error( 893 "\177\020" 894 "F\000\010f\0" 895 "b\005bit5\0" 896 ":\245match\0", 897 0xa5, 898 "0xa5<,bit5#"); 899 900 // new style combinations, 'f' ':' 901 // 902 // The ':' conversion requires a preceding 'F' conversion, not 'f'. 903 h_snprintb_val_error( 904 "\177\20" 905 "f\000\004nibble\0" 906 ":\001one\0", 907 0x01, 908 "0x1<nibble=0x1#"); 909 910 // new style combinations, 'F' '=' 911 // 912 // A '=' conversion requires a preceding 'f' conversion, not 'F'. 913 h_snprintb_val_error( 914 "\177\20" 915 "F\000\004\0" 916 "=\001one\0", 917 0x01, 918 "0x1<#"); 919 920 // new style combinations, '=' 921 // 922 // A '=' conversion requires a preceding 'f' or 'F' conversion. 923 h_snprintb_val_error( 924 "\177\020" 925 "=\245match\0", 926 0xa5, 927 "0xa5#"); 928 929 // new style combinations, ':' 930 // 931 // A ':' conversion requires a preceding 'f' or 'F' conversion. 932 h_snprintb_val_error( 933 "\177\020" 934 ":\245match\0", 935 0xa5, 936 "0xa5#"); 937 938 // new style combinations, '*' 939 // 940 // A '*' conversion requires a preceding 'f' or 'F' conversion. 941 h_snprintb_val_error( 942 "\177\020" 943 "*match\0", 944 0xa5, 945 "0xa5#"); 946 947 // new style combinations, 'f' '*' '=' 948 // 949 // After a catch-all '*' conversions, there must not be further '=' 950 // conversions. 951 h_snprintb_val_error( 952 "\177\020" 953 "f\000\010f\0" 954 "*=default\0" 955 "=\245match\0", 956 0xa5, 957 "0xa5<f=0xa5=default#"); 958 959 // new style combinations, 'F' '*' ':' 960 // 961 // After a catch-all '*' conversion, there must not be further ':' 962 // conversions. 963 h_snprintb_val_error( 964 "\177\020" 965 "F\000\010F\0" 966 "*default\0" 967 ":\245-match\0", 968 0xa5, 969 "0xa5<default#"); 970 971 // new style combinations, 'f' '*' '*' 972 // 973 // After a catch-all '*' conversion, there must not be further '=' or 974 // '*' conversions. 975 h_snprintb_val_error( 976 "\177\020" 977 "f\000\010f\0" 978 "*=default-f\0" 979 "*ignored\0", 980 0xa5, 981 "0xa5<f=0xa5=default-f#"); 982 983 // new style combinations, 'F' '*' '*' 984 // 985 // After a catch-all '*' conversion, there must not be further ':' or 986 // '*' conversions. 987 h_snprintb_val_error( 988 "\177\020" 989 "F\000\010\0" 990 "*default-F\0" 991 "*ignored\0", 992 0xa5, 993 "0xa5<default-F#"); 994 995 // example from the manual page, old style octal 996 h_snprintb( 997 "\010\002BITTWO\001BITONE", 998 0x03, 999 "03<BITTWO,BITONE>"); 1000 1001 // example from the manual page, old style hexadecimal 1002 // 1003 // When using a hexadecimal escape sequence to encode a bit number, 1004 // the description must not start with a hexadecimal digit, or that 1005 // digit is interpreted as part of the bit number. To prevent this, 1006 // the bit number and the description need to be written as separate 1007 // string literals. 1008 h_snprintb( 1009 "\x10" 1010 "\x10" "NOTBOOT" 1011 "\x0f" "FPP" 1012 "\x0e" "SDVMA" 1013 "\x0c" "VIDEO" 1014 "\x0b" "LORES" 1015 "\x0a" "FPA" 1016 "\x09" "DIAG" 1017 "\x07" "CACHE" 1018 "\x06" "IOCACHE" 1019 "\x05" "LOOPBACK" 1020 "\x04" "DBGCACHE", 1021 0xe860, 1022 "0xe860<NOTBOOT,FPP,SDVMA,VIDEO,CACHE,IOCACHE>"); 1023 1024 // example from the manual page, new style bits and fields 1025 h_snprintb( 1026 "\177\020" 1027 "b\000" "LSB\0" 1028 "b\001" "BITONE\0" 1029 "f\004\004" "NIBBLE2\0" 1030 "f\020\004" "BURST\0" 1031 "=\x04" "FOUR\0" 1032 "=\x0f" "FIFTEEN\0" 1033 "b\037" "MSB\0", 1034 0x800f0701, 1035 "0x800f0701<LSB,NIBBLE2=0,BURST=0xf=FIFTEEN,MSB>"); 1036 1037 // example from the manual page, new style mmap 1038 #define MAP_FMT \ 1039 "\177\020" \ 1040 "b\0" "SHARED\0" \ 1041 "b\1" "PRIVATE\0" \ 1042 "b\2" "COPY\0" \ 1043 "b\4" "FIXED\0" \ 1044 "b\5" "RENAME\0" \ 1045 "b\6" "NORESERVE\0" \ 1046 "b\7" "INHERIT\0" \ 1047 "b\11" "HASSEMAPHORE\0" \ 1048 "b\12" "TRYFIXED\0" \ 1049 "b\13" "WIRED\0" \ 1050 "F\14\1\0" \ 1051 ":\0" "FILE\0" \ 1052 ":\1" "ANONYMOUS\0" \ 1053 "b\15" "STACK\0" \ 1054 "F\30\010\0" \ 1055 ":\000" "ALIGN=NONE\0" \ 1056 ":\015" "ALIGN=8KB\0" \ 1057 "*" "ALIGN=2^%ju\0" 1058 h_snprintb( 1059 MAP_FMT, 1060 0x0d001234, 1061 "0xd001234<COPY,FIXED,RENAME,HASSEMAPHORE,ANONYMOUS,ALIGN=8KB>"); 1062 h_snprintb( 1063 MAP_FMT, 1064 0x2e000000, 1065 "0x2e000000<FILE,ALIGN=2^46>"); 1066 1067 // It is possible but cumbersome to implement a reduced variant of 1068 // rot13 using snprintb, shown here for lowercase letters only. 1069 for (char ch = 'A'; ch <= '~'; ch++) { 1070 char rot13 = ch >= 'a' && ch <= 'm' ? ch + 13 1071 : ch >= 'n' && ch <= 'z' ? ch - 13 1072 : '?'; 1073 char expected[8]; 1074 ATF_REQUIRE_EQ(7, 1075 snprintf(expected, sizeof(expected), "%#x<%c>", ch, rot13)); 1076 h_snprintb( 1077 "\177\020" 1078 "F\000\010\0" 1079 ":an\0:bo\0:cp\0:dq\0:er\0:fs\0:gt\0:hu\0" 1080 ":iv\0:jw\0:kx\0:ly\0:mz\0" 1081 ":na\0:ob\0:pc\0:qd\0:re\0:sf\0:tg\0:uh\0" 1082 ":vi\0:wj\0:xk\0:yl\0:zm\0" 1083 // If snprintf accepted "%jc", it would be possible to 1084 // echo the non-alphabetic characters instead of a 1085 // catchall question mark. 1086 "*?\0", 1087 ch, 1088 expected); 1089 } 1090 1091 // new style, small buffers 1092 h_snprintb_len( 1093 0, "\177\020", 0x00, 1094 1, ""); 1095 h_snprintb_len( 1096 1, "\177\020", 0x00, 1097 1, ""); 1098 h_snprintb_len( 1099 2, "\177\020", 0x00, 1100 1, "0"); 1101 h_snprintb_len( 1102 3, "\177\020", 0x00, 1103 1, "0"); 1104 h_snprintb_len( 1105 3, "\177\020", 0x07, 1106 3, "0#"); 1107 h_snprintb_len( 1108 4, "\177\020", 0x07, 1109 3, "0x7"); 1110 h_snprintb_len( 1111 7, "\177\020b\000lsb\0", 0x07, 1112 8, "0x7<l#"); 1113 h_snprintb_len( 1114 8, "\177\020b\000lsb\0", 0x07, 1115 8, "0x7<ls#"); 1116 h_snprintb_len( 1117 9, "\177\020b\000lsb\0", 0x07, 1118 8, "0x7<lsb>"); 1119 h_snprintb_len( 1120 9, "\177\020b\000one\0b\001two\0", 0x07, 1121 12, "0x7<one#"); 1122 h_snprintb_len( 1123 10, "\177\020b\000one\0b\001two\0", 0x07, 1124 12, "0x7<one,#"); 1125 h_snprintb_len( 1126 12, "\177\020b\000one\0b\001two\0", 0x07, 1127 12, "0x7<one,tw#"); 1128 h_snprintb_len( 1129 13, "\177\020b\000one\0b\001two\0", 0x07, 1130 12, "0x7<one,two>"); 1131 } 1132 1133 ATF_TC(snprintb_m); 1134 ATF_TC_HEAD(snprintb_m, tc) 1135 { 1136 atf_tc_set_md_var(tc, "descr", "Checks snprintb_m(3)"); 1137 } 1138 ATF_TC_BODY(snprintb_m, tc) 1139 { 1140 1141 // old style, line_max exceeded by number in line 1 1142 h_snprintb_m( 1143 "\020", 1144 0xff, 1145 1, 1146 "#\0"); 1147 1148 // old style, line_max exceeded by '<' in line 1 1149 h_snprintb_m( 1150 "\020" 1151 "\001lsb", 1152 0xff, 1153 4, 1154 "0xf#\0"); 1155 1156 // old style, line_max exceeded by description 1157 h_snprintb_m( 1158 "\020" 1159 "\001bit1" 1160 "\002bit2", 1161 0xff, 1162 7, 1163 "0xff<b#\0" 1164 "0xff<b#\0"); 1165 1166 // old style, line_max exceeded by '>' in line 1 1167 h_snprintb_m( 1168 "\020" 1169 "\001bit1" 1170 "\0022", 1171 0xff, 1172 9, 1173 "0xff<bit#\0" 1174 "0xff<2>\0"); 1175 1176 // old style, line_max exceeded by description in line 2 1177 h_snprintb_m( 1178 "\020" 1179 "\0011" 1180 "\002bit2", 1181 0xff, 1182 8, 1183 "0xff<1>\0" 1184 "0xff<bi#\0"); 1185 1186 // old style, line_max exceeded by '>' in line 2 1187 h_snprintb_m( 1188 "\020" 1189 "\0011" 1190 "\002bit2", 1191 0xff, 1192 9, 1193 "0xff<1>\0" 1194 "0xff<bit#\0"); 1195 1196 // old style, complete 1197 h_snprintb_m( 1198 "\020" 1199 "\0011" 1200 "\002bit2", 1201 0xff, 1202 10, 1203 "0xff<1>\0" 1204 "0xff<bit2>\0"); 1205 1206 // new style, line_max exceeded by value in line 1 1207 h_snprintb_m( 1208 "\177\020", 1209 0xff, 1210 3, 1211 "0x#\0"); 1212 1213 // new style, line_max exceeded by single-bit '<' in line 1 1214 h_snprintb_m( 1215 "\177\020" 1216 "b\000bit\0", 1217 0xff, 1218 4, 1219 "0xf#\0"); 1220 1221 // new style, line_max exceeded by single-bit description in line 1 1222 h_snprintb_m( 1223 "\177\020" 1224 "b\000bit0\0" 1225 "b\001two\0", 1226 0xff, 1227 8, 1228 "0xff<bi#\0" 1229 "0xff<tw#\0"); 1230 1231 // new style, line_max exceeded by single-bit '>' in line 1 1232 h_snprintb_m( 1233 "\177\020" 1234 "b\000bit0\0" 1235 "b\001two\0", 1236 0xff, 1237 9, 1238 "0xff<bit#\0" 1239 "0xff<two>\0"); 1240 1241 // new style, line_max exceeded by single-bit description in line 2 1242 h_snprintb_m( 1243 "\177\020" 1244 "b\000one\0" 1245 "b\001three\0", 1246 0xff, 1247 9, 1248 "0xff<one>\0" 1249 "0xff<thr#\0"); 1250 1251 // new style, line_max exceeded by single-bit '>' in line 2 1252 h_snprintb_m( 1253 "\177\020" 1254 "b\000one\0" 1255 "b\001three\0", 1256 0xff, 1257 10, 1258 "0xff<one>\0" 1259 "0xff<thre#\0"); 1260 1261 // new style, single-bit complete 1262 h_snprintb_m( 1263 "\177\020" 1264 "b\000one\0" 1265 "b\001three\0", 1266 0xff, 1267 11, 1268 "0xff<one>\0" 1269 "0xff<three>\0"); 1270 1271 // new style, line_max exceeded by named bit-field number in line 1 1272 h_snprintb_m( 1273 "\177\020" 1274 "f\000\004lo\0", 1275 0xff, 1276 3, 1277 "0x#\0"); 1278 1279 // new style, line_max exceeded by named bit-field '<' in line 1 1280 h_snprintb_m( 1281 "\177\020" 1282 "f\000\004lo\0", 1283 0xff, 1284 4, 1285 "0xf#\0"); 1286 1287 // new style, line_max exceeded by bit-field description in line 1 1288 h_snprintb_m( 1289 "\177\020" 1290 "f\000\004lo\0", 1291 0xff, 1292 6, 1293 "0xff<#\0"); 1294 1295 // new style, line_max exceeded by named bit-field '=' in line 1 1296 h_snprintb_m( 1297 "\177\020" 1298 "f\000\004lo\0", 1299 0xff, 1300 7, 1301 "0xff<l#\0"); 1302 1303 // new style, line_max exceeded by named bit-field value in line 1 1304 h_snprintb_m( 1305 "\177\020" 1306 "f\000\004lo\0", 1307 0xff, 1308 10, 1309 "0xff<lo=0#\0"); 1310 1311 // new style, line_max exceeded by named bit-field '=' in line 1 1312 h_snprintb_m( 1313 "\177\020" 1314 "f\000\004lo\0" 1315 "=\017match\0", 1316 0xff, 1317 12, 1318 "0xff<lo=0xf#\0"); 1319 1320 // new style, line_max exceeded by named bit-field value description in 1321 // line 1 1322 h_snprintb_m( 1323 "\177\020" 1324 "f\000\004lo\0" 1325 "=\017match\0", 1326 0xff, 1327 16, 1328 "0xff<lo=0xf=mat#\0"); 1329 1330 // new style, line_max exceeded by named bit-field '>' in line 1 1331 h_snprintb_m( 1332 "\177\020" 1333 "f\000\004lo\0" 1334 "=\017match\0", 1335 0xff, 1336 17, 1337 "0xff<lo=0xf=matc#\0"); 1338 1339 // new style, line_max exceeded by named bit-field description in 1340 // line 2 1341 h_snprintb_m( 1342 "\177\020" 1343 "f\000\004lo\0" 1344 "f\000\004low-bits\0" 1345 "=\017match\0", 1346 0xff, 1347 12, 1348 "0xff<lo=0xf>\0" 1349 "0xff<low-bi#\0"); 1350 1351 // new style, line_max exceeded by named bit-field '=' in line 2 1352 h_snprintb_m( 1353 "\177\020" 1354 "f\000\004lo\0" 1355 "f\000\004low-bits\0" 1356 "=\017match\0", 1357 0xff, 1358 13, 1359 "0xff<lo=0xf>\0" 1360 "0xff<low-bit#\0"); 1361 1362 // new style, line_max exceeded by named bit-field value in line 2 1363 h_snprintb_m( 1364 "\177\020" 1365 "f\000\004lo\0" 1366 "f\000\004low-bits\0" 1367 "=\017match\0", 1368 0xff, 1369 16, 1370 "0xff<lo=0xf>\0" 1371 "0xff<low-bits=0#\0"); 1372 1373 // new style, line_max exceeded by named bit-field '=' in line 2 1374 h_snprintb_m( 1375 "\177\020" 1376 "f\000\004lo\0" 1377 "f\000\004low-bits\0" 1378 "=\017match\0", 1379 0xff, 1380 18, 1381 "0xff<lo=0xf>\0" 1382 "0xff<low-bits=0xf#\0"); 1383 1384 // new style, line_max exceeded by named bit-field value description 1385 // in line 2 1386 h_snprintb_m( 1387 "\177\020" 1388 "f\000\004lo\0" 1389 "f\000\004low-bits\0" 1390 "=\017match\0", 1391 0xff, 1392 22, 1393 "0xff<lo=0xf>\0" 1394 "0xff<low-bits=0xf=mat#\0"); 1395 1396 // new style, line_max exceeded by named bit-field '>' in line 2 1397 h_snprintb_m( 1398 "\177\020" 1399 "f\000\004lo\0" 1400 "f\000\004low-bits\0" 1401 "=\017match\0", 1402 0xff, 1403 23, 1404 "0xff<lo=0xf>\0" 1405 "0xff<low-bits=0xf=matc#\0"); 1406 1407 // new style, named bit-field complete 1408 h_snprintb_m( 1409 "\177\020" 1410 "f\000\004lo\0" 1411 "f\000\004low-bits\0" 1412 "=\017match\0", 1413 0xff, 1414 24, 1415 "0xff<lo=0xf>\0" 1416 "0xff<low-bits=0xf=match>\0"); 1417 1418 // new style, line_max exceeded by unnamed bit-field number in line 1 1419 h_snprintb_m( 1420 "\177\020" 1421 "F\000\004\0", 1422 0xff, 1423 3, 1424 "0x#\0"); 1425 1426 // new style, line_max exceeded by unnamed bit-field '<' in line 1 1427 h_snprintb_m( 1428 "\177\020" 1429 "F\000\004\0", 1430 0xff, 1431 4, 1432 "0xf#\0"); 1433 1434 // new style, line_max exceeded by unnamed bit-field value description 1435 // in line 1 1436 h_snprintb_m( 1437 "\177\020" 1438 "F\000\004\0" 1439 ":\017match\0", 1440 0xff, 1441 9, 1442 "0xff<mat#\0"); 1443 1444 // new style, line_max exceeded by unnamed bit-field '>' in line 1 1445 h_snprintb_m( 1446 "\177\020" 1447 "F\000\004\0" 1448 ":\017match\0", 1449 0xff, 1450 10, 1451 "0xff<matc#\0"); 1452 1453 // new style, line_max exceeded by unnamed bit-field value description 1454 // in line 2 1455 h_snprintb_m( 1456 "\177\020" 1457 "F\000\004\0" 1458 ":\017m1\0" 1459 ":\017match\0", 1460 0xff, 1461 10, 1462 "0xff<m1ma#\0"); 1463 1464 // new style, line_max exceeded by unnamed bit-field '>' in line 2 1465 h_snprintb_m( 1466 "\177\020" 1467 "F\000\004\0" 1468 ":\017m1\0" 1469 ":\017match\0", 1470 0xff, 1471 10, 1472 "0xff<m1ma#\0"); 1473 1474 // new style unnamed bit-field complete 1475 h_snprintb_m( 1476 "\177\020" 1477 "F\000\004\0" 1478 ":\017m1\0" 1479 ":\017match\0", 1480 0xff, 1481 13, 1482 "0xff<m1match>\0"); 1483 1484 // new style, line_max exceeded by bit-field default 1485 h_snprintb_m( 1486 "\177\020" 1487 "f\000\004f\0" 1488 "*=default\0", 1489 0xff, 1490 17, 1491 "0xff<f=0xf=defau#\0"); 1492 1493 // new style, line_max exceeded by unmatched field value 1494 h_snprintb_m( 1495 "\177\020" 1496 "f\000\004bits\0" 1497 "=\000zero\0", 1498 0xff, 1499 11, 1500 "0xff<bits=#\0"); 1501 1502 // example from the manual page, new style bits and fields 1503 h_snprintb_m( 1504 "\177\020" 1505 "b\000" "LSB\0" 1506 "b\001" "BITONE\0" 1507 "f\004\004" "NIBBLE2\0" 1508 "f\020\004" "BURST\0" 1509 "=\x04" "FOUR\0" 1510 "=\x0f" "FIFTEEN\0" 1511 "b\037" "MSB\0", 1512 0x800f0701, 1513 34, 1514 "0x800f0701<LSB,NIBBLE2=0>\0" 1515 "0x800f0701<BURST=0xf=FIFTEEN,MSB>\0"); 1516 1517 // new style, missing number base 1518 h_snprintb_m_len( 1519 1024, 1520 "\177", 1521 0xff, 1522 128, 1523 -1, 1524 "#\0"); 1525 1526 // new style, buffer too small for complete number in line 2 1527 h_snprintb_m_len( 1528 15, 1529 "\177\020" 1530 "b\000lsb\0" 1531 "b\001two\0", 1532 0xff, 1533 11, 1534 20, 1535 "0xff<lsb>\0" 1536 "0x#\0"); 1537 1538 // new-style format, buffer too small for '<' in line 2 1539 h_snprintb_m_len( 1540 16, 1541 "\177\020" 1542 "b\000lsb\0" 1543 "b\001two\0", 1544 0xff, 1545 11, 1546 20, 1547 "0xff<lsb>\0" 1548 "0xf#\0"); 1549 1550 // new-style format, buffer too small for textual fallback 1551 h_snprintb_m_len( 1552 24, 1553 "\177\020" 1554 "f\000\004bits\0" 1555 "*=fallback\0" 1556 "b\0024\0", 1557 0xff, 1558 64, 1559 26, 1560 "0xff<bits=0xf=fallbac#\0"); 1561 1562 // new-style format, buffer too small for numeric fallback 1563 h_snprintb_m_len( 1564 20, 1565 "\177\020" 1566 "F\000\004\0" 1567 "*fallback(%040jd)\0", 1568 0xff, 1569 64, 1570 57, 1571 "0xff<fallback(000#\0"); 1572 1573 // new-style format, buffer too small for numeric fallback past buffer 1574 h_snprintb_m_len( 1575 15, 1576 "\177\020" 1577 "F\000\004\0" 1578 "*fallback(%010jd)\0" 1579 "F\004\004\0" 1580 "*fallback(%010jd)\0", 1581 0xff, 1582 64, 1583 48, 1584 "0xff<fallbac#\0"); 1585 1586 // new style, bits and fields, line break between fields 1587 h_snprintb_m( 1588 "\177\020" 1589 "b\0LSB\0" 1590 "b\1_BITONE\0" 1591 "f\4\4NIBBLE2\0" 1592 "f\x10\4BURST\0" 1593 "=\04FOUR\0" 1594 "=\17FIFTEEN\0" 1595 "b\x1fMSB\0", 1596 0x800f0701, 1597 33, 1598 "0x800f0701<LSB,NIBBLE2=0>\0" 1599 "0x800f0701<BURST=0xf=FIFTEEN,MSB>\0"); 1600 1601 // new style, bits and fields, line break after field description 1602 h_snprintb_m( 1603 "\177\020" 1604 "b\0LSB\0" 1605 "b\1_BITONE\0" 1606 "f\4\4NIBBLE2\0" 1607 "f\020\4BURST\0" 1608 "=\04FOUR\0" 1609 "=\17FIFTEEN\0" 1610 "b\037MSB\0", 1611 0x800f0701, 1612 32, 1613 "0x800f0701<LSB,NIBBLE2=0>\0" 1614 "0x800f0701<BURST=0xf=FIFTEEN>\0" 1615 "0x800f0701<MSB>\0"); 1616 } 1617 1618 ATF_TP_ADD_TCS(tp) 1619 { 1620 1621 ATF_TP_ADD_TC(tp, snprintb); 1622 ATF_TP_ADD_TC(tp, snprintb_m); 1623 1624 return atf_no_error(); 1625 } 1626
Indexes created Tue Sep 30 11:09:46 GMT 2025