1 /* $Vendor-Id: mdoc_validate.c,v 1.151 2011/01/03 23:53:51 schwarze Exp $ */ 2 /* 3 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> 4 * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 #ifdef HAVE_CONFIG_H 19 #include "config.h" 20 #endif 21 22 #ifndef OSNAME 23 #include <sys/utsname.h> 24 #endif 25 26 #include <sys/types.h> 27 28 #include <assert.h> 29 #include <ctype.h> 30 #include <limits.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <time.h> 35 36 #include "mandoc.h" 37 #include "libmdoc.h" 38 #include "libmandoc.h" 39 40 /* FIXME: .Bl -diag can't have non-text children in HEAD. */ 41 42 #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n 43 #define POST_ARGS struct mdoc *mdoc 44 45 #define NUMSIZ 32 46 #define DATESIZE 32 47 48 enum check_ineq { 49 CHECK_LT, 50 CHECK_GT, 51 CHECK_EQ 52 }; 53 54 enum check_lvl { 55 CHECK_WARN, 56 CHECK_ERROR, 57 }; 58 59 typedef int (*v_pre)(PRE_ARGS); 60 typedef int (*v_post)(POST_ARGS); 61 62 struct valids { 63 v_pre *pre; 64 v_post *post; 65 }; 66 67 static int check_count(struct mdoc *, enum mdoc_type, 68 enum check_lvl, enum check_ineq, int); 69 static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type); 70 static void check_text(struct mdoc *, int, int, char *); 71 static void check_argv(struct mdoc *, 72 struct mdoc_node *, struct mdoc_argv *); 73 static void check_args(struct mdoc *, struct mdoc_node *); 74 75 static int concat(struct mdoc *, char *, 76 const struct mdoc_node *, size_t); 77 78 static int ebool(POST_ARGS); 79 static int berr_ge1(POST_ARGS); 80 static int bwarn_ge1(POST_ARGS); 81 static int eerr_ge1(POST_ARGS); 82 static int ewarn_eq0(POST_ARGS); 83 static int ewarn_eq1(POST_ARGS); 84 static int ewarn_ge1(POST_ARGS); 85 static int ewarn_le1(POST_ARGS); 86 static int hwarn_eq0(POST_ARGS); 87 static int hwarn_eq1(POST_ARGS); 88 static int hwarn_ge1(POST_ARGS); 89 static int hwarn_le1(POST_ARGS); 90 91 static int post_an(POST_ARGS); 92 static int post_at(POST_ARGS); 93 static int post_bf(POST_ARGS); 94 static int post_bl(POST_ARGS); 95 static int post_bl_block(POST_ARGS); 96 static int post_bl_block_width(POST_ARGS); 97 static int post_bl_block_tag(POST_ARGS); 98 static int post_bl_head(POST_ARGS); 99 static int post_dd(POST_ARGS); 100 static int post_dt(POST_ARGS); 101 static int post_defaults(POST_ARGS); 102 static int post_literal(POST_ARGS); 103 static int post_eoln(POST_ARGS); 104 static int post_it(POST_ARGS); 105 static int post_lb(POST_ARGS); 106 static int post_nm(POST_ARGS); 107 static int post_os(POST_ARGS); 108 static int post_ignpar(POST_ARGS); 109 static int post_prol(POST_ARGS); 110 static int post_root(POST_ARGS); 111 static int post_rs(POST_ARGS); 112 static int post_sh(POST_ARGS); 113 static int post_sh_body(POST_ARGS); 114 static int post_sh_head(POST_ARGS); 115 static int post_st(POST_ARGS); 116 static int post_std(POST_ARGS); 117 static int post_vt(POST_ARGS); 118 static int pre_an(PRE_ARGS); 119 static int pre_bd(PRE_ARGS); 120 static int pre_bl(PRE_ARGS); 121 static int pre_dd(PRE_ARGS); 122 static int pre_display(PRE_ARGS); 123 static int pre_dt(PRE_ARGS); 124 static int pre_it(PRE_ARGS); 125 static int pre_literal(PRE_ARGS); 126 static int pre_os(PRE_ARGS); 127 static int pre_par(PRE_ARGS); 128 static int pre_sh(PRE_ARGS); 129 static int pre_ss(PRE_ARGS); 130 static int pre_std(PRE_ARGS); 131 132 static v_post posts_an[] = { post_an, NULL }; 133 static v_post posts_at[] = { post_at, post_defaults, NULL }; 134 static v_post posts_bd[] = { post_literal, hwarn_eq0, bwarn_ge1, NULL }; 135 static v_post posts_bf[] = { hwarn_le1, post_bf, NULL }; 136 static v_post posts_bk[] = { hwarn_eq0, bwarn_ge1, NULL }; 137 static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL }; 138 static v_post posts_bool[] = { ebool, NULL }; 139 static v_post posts_eoln[] = { post_eoln, NULL }; 140 static v_post posts_defaults[] = { post_defaults, NULL }; 141 static v_post posts_dd[] = { ewarn_ge1, post_dd, post_prol, NULL }; 142 static v_post posts_dl[] = { post_literal, bwarn_ge1, NULL }; 143 static v_post posts_dt[] = { post_dt, post_prol, NULL }; 144 static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL }; 145 static v_post posts_it[] = { post_it, NULL }; 146 static v_post posts_lb[] = { post_lb, NULL }; 147 static v_post posts_nd[] = { berr_ge1, NULL }; 148 static v_post posts_nm[] = { post_nm, NULL }; 149 static v_post posts_notext[] = { ewarn_eq0, NULL }; 150 static v_post posts_os[] = { post_os, post_prol, NULL }; 151 static v_post posts_rs[] = { post_rs, NULL }; 152 static v_post posts_sh[] = { post_ignpar, hwarn_ge1, bwarn_ge1, post_sh, NULL }; 153 static v_post posts_sp[] = { ewarn_le1, NULL }; 154 static v_post posts_ss[] = { post_ignpar, hwarn_ge1, bwarn_ge1, NULL }; 155 static v_post posts_st[] = { post_st, NULL }; 156 static v_post posts_std[] = { post_std, NULL }; 157 static v_post posts_text[] = { eerr_ge1, NULL }; 158 static v_post posts_text1[] = { ewarn_eq1, NULL }; 159 static v_post posts_vt[] = { post_vt, NULL }; 160 static v_post posts_wline[] = { bwarn_ge1, NULL }; 161 static v_post posts_wtext[] = { ewarn_ge1, NULL }; 162 static v_pre pres_an[] = { pre_an, NULL }; 163 static v_pre pres_bd[] = { pre_display, pre_bd, pre_literal, pre_par, NULL }; 164 static v_pre pres_bl[] = { pre_bl, pre_par, NULL }; 165 static v_pre pres_d1[] = { pre_display, NULL }; 166 static v_pre pres_dl[] = { pre_literal, pre_display, NULL }; 167 static v_pre pres_dd[] = { pre_dd, NULL }; 168 static v_pre pres_dt[] = { pre_dt, NULL }; 169 static v_pre pres_er[] = { NULL, NULL }; 170 static v_pre pres_fd[] = { NULL, NULL }; 171 static v_pre pres_it[] = { pre_it, pre_par, NULL }; 172 static v_pre pres_os[] = { pre_os, NULL }; 173 static v_pre pres_pp[] = { pre_par, NULL }; 174 static v_pre pres_sh[] = { pre_sh, NULL }; 175 static v_pre pres_ss[] = { pre_ss, NULL }; 176 static v_pre pres_std[] = { pre_std, NULL }; 177 178 const struct valids mdoc_valids[MDOC_MAX] = { 179 { NULL, NULL }, /* Ap */ 180 { pres_dd, posts_dd }, /* Dd */ 181 { pres_dt, posts_dt }, /* Dt */ 182 { pres_os, posts_os }, /* Os */ 183 { pres_sh, posts_sh }, /* Sh */ 184 { pres_ss, posts_ss }, /* Ss */ 185 { pres_pp, posts_notext }, /* Pp */ 186 { pres_d1, posts_wline }, /* D1 */ 187 { pres_dl, posts_dl }, /* Dl */ 188 { pres_bd, posts_bd }, /* Bd */ 189 { NULL, NULL }, /* Ed */ 190 { pres_bl, posts_bl }, /* Bl */ 191 { NULL, NULL }, /* El */ 192 { pres_it, posts_it }, /* It */ 193 { NULL, posts_text }, /* Ad */ 194 { pres_an, posts_an }, /* An */ 195 { NULL, posts_defaults }, /* Ar */ 196 { NULL, posts_text }, /* Cd */ 197 { NULL, NULL }, /* Cm */ 198 { NULL, NULL }, /* Dv */ 199 { pres_er, posts_text }, /* Er */ 200 { NULL, NULL }, /* Ev */ 201 { pres_std, posts_std }, /* Ex */ 202 { NULL, NULL }, /* Fa */ 203 { pres_fd, posts_wtext }, /* Fd */ 204 { NULL, NULL }, /* Fl */ 205 { NULL, posts_text }, /* Fn */ 206 { NULL, posts_wtext }, /* Ft */ 207 { NULL, posts_text }, /* Ic */ 208 { NULL, posts_text1 }, /* In */ 209 { NULL, posts_defaults }, /* Li */ 210 { NULL, posts_nd }, /* Nd */ 211 { NULL, posts_nm }, /* Nm */ 212 { NULL, NULL }, /* Op */ 213 { NULL, NULL }, /* Ot */ 214 { NULL, posts_defaults }, /* Pa */ 215 { pres_std, posts_std }, /* Rv */ 216 { NULL, posts_st }, /* St */ 217 { NULL, NULL }, /* Va */ 218 { NULL, posts_vt }, /* Vt */ 219 { NULL, posts_wtext }, /* Xr */ 220 { NULL, posts_text }, /* %A */ 221 { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */ 222 { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */ 223 { NULL, posts_text }, /* %I */ 224 { NULL, posts_text }, /* %J */ 225 { NULL, posts_text }, /* %N */ 226 { NULL, posts_text }, /* %O */ 227 { NULL, posts_text }, /* %P */ 228 { NULL, posts_text }, /* %R */ 229 { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */ 230 { NULL, posts_text }, /* %V */ 231 { NULL, NULL }, /* Ac */ 232 { NULL, NULL }, /* Ao */ 233 { NULL, NULL }, /* Aq */ 234 { NULL, posts_at }, /* At */ 235 { NULL, NULL }, /* Bc */ 236 { NULL, posts_bf }, /* Bf */ 237 { NULL, NULL }, /* Bo */ 238 { NULL, NULL }, /* Bq */ 239 { NULL, NULL }, /* Bsx */ 240 { NULL, NULL }, /* Bx */ 241 { NULL, posts_bool }, /* Db */ 242 { NULL, NULL }, /* Dc */ 243 { NULL, NULL }, /* Do */ 244 { NULL, NULL }, /* Dq */ 245 { NULL, NULL }, /* Ec */ 246 { NULL, NULL }, /* Ef */ 247 { NULL, NULL }, /* Em */ 248 { NULL, NULL }, /* Eo */ 249 { NULL, NULL }, /* Fx */ 250 { NULL, posts_text }, /* Ms */ 251 { NULL, posts_notext }, /* No */ 252 { NULL, posts_notext }, /* Ns */ 253 { NULL, NULL }, /* Nx */ 254 { NULL, NULL }, /* Ox */ 255 { NULL, NULL }, /* Pc */ 256 { NULL, posts_text1 }, /* Pf */ 257 { NULL, NULL }, /* Po */ 258 { NULL, NULL }, /* Pq */ 259 { NULL, NULL }, /* Qc */ 260 { NULL, NULL }, /* Ql */ 261 { NULL, NULL }, /* Qo */ 262 { NULL, NULL }, /* Qq */ 263 { NULL, NULL }, /* Re */ 264 { NULL, posts_rs }, /* Rs */ 265 { NULL, NULL }, /* Sc */ 266 { NULL, NULL }, /* So */ 267 { NULL, NULL }, /* Sq */ 268 { NULL, posts_bool }, /* Sm */ 269 { NULL, posts_text }, /* Sx */ 270 { NULL, posts_text }, /* Sy */ 271 { NULL, posts_text }, /* Tn */ 272 { NULL, NULL }, /* Ux */ 273 { NULL, NULL }, /* Xc */ 274 { NULL, NULL }, /* Xo */ 275 { NULL, posts_fo }, /* Fo */ 276 { NULL, NULL }, /* Fc */ 277 { NULL, NULL }, /* Oo */ 278 { NULL, NULL }, /* Oc */ 279 { NULL, posts_bk }, /* Bk */ 280 { NULL, NULL }, /* Ek */ 281 { NULL, posts_eoln }, /* Bt */ 282 { NULL, NULL }, /* Hf */ 283 { NULL, NULL }, /* Fr */ 284 { NULL, posts_eoln }, /* Ud */ 285 { NULL, posts_lb }, /* Lb */ 286 { NULL, posts_notext }, /* Lp */ 287 { NULL, posts_text }, /* Lk */ 288 { NULL, posts_defaults }, /* Mt */ 289 { NULL, NULL }, /* Brq */ 290 { NULL, NULL }, /* Bro */ 291 { NULL, NULL }, /* Brc */ 292 { NULL, posts_text }, /* %C */ 293 { NULL, NULL }, /* Es */ 294 { NULL, NULL }, /* En */ 295 { NULL, NULL }, /* Dx */ 296 { NULL, posts_text }, /* %Q */ 297 { NULL, posts_notext }, /* br */ 298 { pres_pp, posts_sp }, /* sp */ 299 { NULL, posts_text1 }, /* %U */ 300 { NULL, NULL }, /* Ta */ 301 }; 302 303 #define RSORD_MAX 14 /* Number of `Rs' blocks. */ 304 305 static const enum mdoct rsord[RSORD_MAX] = { 306 MDOC__A, 307 MDOC__T, 308 MDOC__B, 309 MDOC__I, 310 MDOC__J, 311 MDOC__R, 312 MDOC__N, 313 MDOC__V, 314 MDOC__P, 315 MDOC__Q, 316 MDOC__D, 317 MDOC__O, 318 MDOC__C, 319 MDOC__U 320 }; 321 322 323 int 324 mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n) 325 { 326 v_pre *p; 327 int line, pos; 328 char *tp; 329 330 switch (n->type) { 331 case (MDOC_TEXT): 332 tp = n->string; 333 line = n->line; 334 pos = n->pos; 335 check_text(mdoc, line, pos, tp); 336 /* FALLTHROUGH */ 337 case (MDOC_TBL): 338 /* FALLTHROUGH */ 339 case (MDOC_ROOT): 340 return(1); 341 default: 342 break; 343 } 344 345 check_args(mdoc, n); 346 347 if (NULL == mdoc_valids[n->tok].pre) 348 return(1); 349 for (p = mdoc_valids[n->tok].pre; *p; p++) 350 if ( ! (*p)(mdoc, n)) 351 return(0); 352 return(1); 353 } 354 355 356 int 357 mdoc_valid_post(struct mdoc *mdoc) 358 { 359 v_post *p; 360 361 if (MDOC_VALID & mdoc->last->flags) 362 return(1); 363 mdoc->last->flags |= MDOC_VALID; 364 365 switch (mdoc->last->type) { 366 case (MDOC_TEXT): 367 /* FALLTHROUGH */ 368 case (MDOC_TBL): 369 return(1); 370 case (MDOC_ROOT): 371 return(post_root(mdoc)); 372 default: 373 break; 374 } 375 376 if (NULL == mdoc_valids[mdoc->last->tok].post) 377 return(1); 378 for (p = mdoc_valids[mdoc->last->tok].post; *p; p++) 379 if ( ! (*p)(mdoc)) 380 return(0); 381 382 return(1); 383 } 384 385 static int 386 check_count(struct mdoc *m, enum mdoc_type type, 387 enum check_lvl lvl, enum check_ineq ineq, int val) 388 { 389 const char *p; 390 enum mandocerr t; 391 392 if (m->last->type != type) 393 return(1); 394 395 switch (ineq) { 396 case (CHECK_LT): 397 p = "less than "; 398 if (m->last->nchild < val) 399 return(1); 400 break; 401 case (CHECK_GT): 402 p = "more than "; 403 if (m->last->nchild > val) 404 return(1); 405 break; 406 case (CHECK_EQ): 407 p = ""; 408 if (val == m->last->nchild) 409 return(1); 410 break; 411 default: 412 abort(); 413 /* NOTREACHED */ 414 } 415 416 t = lvl == CHECK_WARN ? MANDOCERR_ARGCWARN : MANDOCERR_ARGCOUNT; 417 418 return(mdoc_vmsg(m, t, m->last->line, m->last->pos, 419 "want %s%d children (have %d)", 420 p, val, m->last->nchild)); 421 } 422 423 static int 424 berr_ge1(POST_ARGS) 425 { 426 427 return(check_count(mdoc, MDOC_BODY, CHECK_ERROR, CHECK_GT, 0)); 428 } 429 430 static int 431 bwarn_ge1(POST_ARGS) 432 { 433 return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0)); 434 } 435 436 static int 437 eerr_ge1(POST_ARGS) 438 { 439 return(check_count(mdoc, MDOC_ELEM, CHECK_ERROR, CHECK_GT, 0)); 440 } 441 442 static int 443 ewarn_eq0(POST_ARGS) 444 { 445 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0)); 446 } 447 448 static int 449 ewarn_eq1(POST_ARGS) 450 { 451 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1)); 452 } 453 454 static int 455 ewarn_ge1(POST_ARGS) 456 { 457 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0)); 458 } 459 460 static int 461 ewarn_le1(POST_ARGS) 462 { 463 return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_LT, 2)); 464 } 465 466 static int 467 hwarn_eq0(POST_ARGS) 468 { 469 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0)); 470 } 471 472 static int 473 hwarn_eq1(POST_ARGS) 474 { 475 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1)); 476 } 477 478 static int 479 hwarn_ge1(POST_ARGS) 480 { 481 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_GT, 0)); 482 } 483 484 static int 485 hwarn_le1(POST_ARGS) 486 { 487 return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2)); 488 } 489 490 static void 491 check_args(struct mdoc *m, struct mdoc_node *n) 492 { 493 int i; 494 495 if (NULL == n->args) 496 return; 497 498 assert(n->args->argc); 499 for (i = 0; i < (int)n->args->argc; i++) 500 check_argv(m, n, &n->args->argv[i]); 501 } 502 503 static void 504 check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v) 505 { 506 int i; 507 508 for (i = 0; i < (int)v->sz; i++) 509 check_text(m, v->line, v->pos, v->value[i]); 510 511 /* FIXME: move to post_std(). */ 512 513 if (MDOC_Std == v->arg) 514 if ( ! (v->sz || m->meta.name)) 515 mdoc_nmsg(m, n, MANDOCERR_NONAME); 516 } 517 518 static void 519 check_text(struct mdoc *m, int ln, int pos, char *p) 520 { 521 int c; 522 size_t sz; 523 524 for ( ; *p; p++, pos++) { 525 sz = strcspn(p, "\t\\"); 526 p += (int)sz; 527 528 if ('\0' == *p) 529 break; 530 531 pos += (int)sz; 532 533 if ('\t' == *p) { 534 if ( ! (MDOC_LITERAL & m->flags)) 535 mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB); 536 continue; 537 } 538 539 if (0 == (c = mandoc_special(p))) { 540 mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE); 541 continue; 542 } 543 544 p += c - 1; 545 pos += c - 1; 546 } 547 } 548 549 static int 550 check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t) 551 { 552 553 assert(n->parent); 554 if ((MDOC_ROOT == t || tok == n->parent->tok) && 555 (t == n->parent->type)) 556 return(1); 557 558 mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD, 559 n->line, n->pos, "want parent %s", 560 MDOC_ROOT == t ? "<root>" : 561 mdoc_macronames[tok]); 562 return(0); 563 } 564 565 566 static int 567 pre_display(PRE_ARGS) 568 { 569 struct mdoc_node *node; 570 571 if (MDOC_BLOCK != n->type) 572 return(1); 573 574 for (node = mdoc->last->parent; node; node = node->parent) 575 if (MDOC_BLOCK == node->type) 576 if (MDOC_Bd == node->tok) 577 break; 578 579 if (node) 580 mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP); 581 582 return(1); 583 } 584 585 586 static int 587 pre_bl(PRE_ARGS) 588 { 589 int i, comp, dup; 590 const char *offs, *width; 591 enum mdoc_list lt; 592 struct mdoc_node *np; 593 594 if (MDOC_BLOCK != n->type) { 595 if (ENDBODY_NOT != n->end) { 596 assert(n->pending); 597 np = n->pending->parent; 598 } else 599 np = n->parent; 600 601 assert(np); 602 assert(MDOC_BLOCK == np->type); 603 assert(MDOC_Bl == np->tok); 604 return(1); 605 } 606 607 /* 608 * First figure out which kind of list to use: bind ourselves to 609 * the first mentioned list type and warn about any remaining 610 * ones. If we find no list type, we default to LIST_item. 611 */ 612 613 /* LINTED */ 614 for (i = 0; n->args && i < (int)n->args->argc; i++) { 615 lt = LIST__NONE; 616 dup = comp = 0; 617 width = offs = NULL; 618 switch (n->args->argv[i].arg) { 619 /* Set list types. */ 620 case (MDOC_Bullet): 621 lt = LIST_bullet; 622 break; 623 case (MDOC_Dash): 624 lt = LIST_dash; 625 break; 626 case (MDOC_Enum): 627 lt = LIST_enum; 628 break; 629 case (MDOC_Hyphen): 630 lt = LIST_hyphen; 631 break; 632 case (MDOC_Item): 633 lt = LIST_item; 634 break; 635 case (MDOC_Tag): 636 lt = LIST_tag; 637 break; 638 case (MDOC_Diag): 639 lt = LIST_diag; 640 break; 641 case (MDOC_Hang): 642 lt = LIST_hang; 643 break; 644 case (MDOC_Ohang): 645 lt = LIST_ohang; 646 break; 647 case (MDOC_Inset): 648 lt = LIST_inset; 649 break; 650 case (MDOC_Column): 651 lt = LIST_column; 652 break; 653 /* Set list arguments. */ 654 case (MDOC_Compact): 655 dup = n->norm->Bl.comp; 656 comp = 1; 657 break; 658 case (MDOC_Width): 659 dup = (NULL != n->norm->Bl.width); 660 width = n->args->argv[i].value[0]; 661 break; 662 case (MDOC_Offset): 663 /* NB: this can be empty! */ 664 if (n->args->argv[i].sz) { 665 offs = n->args->argv[i].value[0]; 666 dup = (NULL != n->norm->Bl.offs); 667 break; 668 } 669 mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV); 670 break; 671 default: 672 continue; 673 } 674 675 /* Check: duplicate auxiliary arguments. */ 676 677 if (dup) 678 mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP); 679 680 if (comp && ! dup) 681 n->norm->Bl.comp = comp; 682 if (offs && ! dup) 683 n->norm->Bl.offs = offs; 684 if (width && ! dup) 685 n->norm->Bl.width = width; 686 687 /* Check: multiple list types. */ 688 689 if (LIST__NONE != lt && n->norm->Bl.type != LIST__NONE) 690 mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP); 691 692 /* Assign list type. */ 693 694 if (LIST__NONE != lt && n->norm->Bl.type == LIST__NONE) { 695 n->norm->Bl.type = lt; 696 /* Set column information, too. */ 697 if (LIST_column == lt) { 698 n->norm->Bl.ncols = 699 n->args->argv[i].sz; 700 n->norm->Bl.cols = (const char **) 701 n->args->argv[i].value; 702 } 703 } 704 705 /* The list type should come first. */ 706 707 if (n->norm->Bl.type == LIST__NONE) 708 if (n->norm->Bl.width || 709 n->norm->Bl.offs || 710 n->norm->Bl.comp) 711 mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST); 712 713 continue; 714 } 715 716 /* Allow lists to default to LIST_item. */ 717 718 if (LIST__NONE == n->norm->Bl.type) { 719 mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE); 720 n->norm->Bl.type = LIST_item; 721 } 722 723 /* 724 * Validate the width field. Some list types don't need width 725 * types and should be warned about them. Others should have it 726 * and must also be warned. 727 */ 728 729 switch (n->norm->Bl.type) { 730 case (LIST_tag): 731 if (n->norm->Bl.width) 732 break; 733 mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG); 734 break; 735 case (LIST_column): 736 /* FALLTHROUGH */ 737 case (LIST_diag): 738 /* FALLTHROUGH */ 739 case (LIST_ohang): 740 /* FALLTHROUGH */ 741 case (LIST_inset): 742 /* FALLTHROUGH */ 743 case (LIST_item): 744 if (n->norm->Bl.width) 745 mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV); 746 break; 747 default: 748 break; 749 } 750 751 return(1); 752 } 753 754 755 static int 756 pre_bd(PRE_ARGS) 757 { 758 int i, dup, comp; 759 enum mdoc_disp dt; 760 const char *offs; 761 struct mdoc_node *np; 762 763 if (MDOC_BLOCK != n->type) { 764 if (ENDBODY_NOT != n->end) { 765 assert(n->pending); 766 np = n->pending->parent; 767 } else 768 np = n->parent; 769 770 assert(np); 771 assert(MDOC_BLOCK == np->type); 772 assert(MDOC_Bd == np->tok); 773 return(1); 774 } 775 776 /* LINTED */ 777 for (i = 0; n->args && i < (int)n->args->argc; i++) { 778 dt = DISP__NONE; 779 dup = comp = 0; 780 offs = NULL; 781 782 switch (n->args->argv[i].arg) { 783 case (MDOC_Centred): 784 dt = DISP_centred; 785 break; 786 case (MDOC_Ragged): 787 dt = DISP_ragged; 788 break; 789 case (MDOC_Unfilled): 790 dt = DISP_unfilled; 791 break; 792 case (MDOC_Filled): 793 dt = DISP_filled; 794 break; 795 case (MDOC_Literal): 796 dt = DISP_literal; 797 break; 798 case (MDOC_File): 799 mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP); 800 return(0); 801 case (MDOC_Offset): 802 /* NB: this can be empty! */ 803 if (n->args->argv[i].sz) { 804 offs = n->args->argv[i].value[0]; 805 dup = (NULL != n->norm->Bd.offs); 806 break; 807 } 808 mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV); 809 break; 810 case (MDOC_Compact): 811 comp = 1; 812 dup = n->norm->Bd.comp; 813 break; 814 default: 815 abort(); 816 /* NOTREACHED */ 817 } 818 819 /* Check whether we have duplicates. */ 820 821 if (dup) 822 mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP); 823 824 /* Make our auxiliary assignments. */ 825 826 if (offs && ! dup) 827 n->norm->Bd.offs = offs; 828 if (comp && ! dup) 829 n->norm->Bd.comp = comp; 830 831 /* Check whether a type has already been assigned. */ 832 833 if (DISP__NONE != dt && n->norm->Bd.type != DISP__NONE) 834 mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP); 835 836 /* Make our type assignment. */ 837 838 if (DISP__NONE != dt && n->norm->Bd.type == DISP__NONE) 839 n->norm->Bd.type = dt; 840 } 841 842 if (DISP__NONE == n->norm->Bd.type) { 843 mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE); 844 n->norm->Bd.type = DISP_ragged; 845 } 846 847 return(1); 848 } 849 850 851 static int 852 pre_ss(PRE_ARGS) 853 { 854 855 if (MDOC_BLOCK != n->type) 856 return(1); 857 return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY)); 858 } 859 860 861 static int 862 pre_sh(PRE_ARGS) 863 { 864 865 if (MDOC_BLOCK != n->type) 866 return(1); 867 868 mdoc->regs->regs[(int)REG_nS].set = 0; 869 return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT)); 870 } 871 872 873 static int 874 pre_it(PRE_ARGS) 875 { 876 877 if (MDOC_BLOCK != n->type) 878 return(1); 879 880 return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY)); 881 } 882 883 884 static int 885 pre_an(PRE_ARGS) 886 { 887 int i; 888 889 if (NULL == n->args) 890 return(1); 891 892 for (i = 1; i < (int)n->args->argc; i++) 893 mdoc_pmsg(mdoc, n->args->argv[i].line, 894 n->args->argv[i].pos, MANDOCERR_IGNARGV); 895 896 if (MDOC_Split == n->args->argv[0].arg) 897 n->norm->An.auth = AUTH_split; 898 else if (MDOC_Nosplit == n->args->argv[0].arg) 899 n->norm->An.auth = AUTH_nosplit; 900 else 901 abort(); 902 903 return(1); 904 } 905 906 static int 907 pre_std(PRE_ARGS) 908 { 909 910 if (n->args && 1 == n->args->argc) 911 if (MDOC_Std == n->args->argv[0].arg) 912 return(1); 913 914 mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV); 915 return(1); 916 } 917 918 static int 919 pre_dt(PRE_ARGS) 920 { 921 922 if (0 == mdoc->meta.date || mdoc->meta.os) 923 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO); 924 925 if (mdoc->meta.title) 926 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP); 927 928 return(1); 929 } 930 931 static int 932 pre_os(PRE_ARGS) 933 { 934 935 if (NULL == mdoc->meta.title || 0 == mdoc->meta.date) 936 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO); 937 938 if (mdoc->meta.os) 939 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP); 940 941 return(1); 942 } 943 944 static int 945 pre_dd(PRE_ARGS) 946 { 947 948 if (mdoc->meta.title || mdoc->meta.os) 949 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO); 950 951 if (mdoc->meta.date) 952 mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP); 953 954 return(1); 955 } 956 957 958 static int 959 post_bf(POST_ARGS) 960 { 961 struct mdoc_node *np; 962 enum mdocargt arg; 963 964 /* 965 * Unlike other data pointers, these are "housed" by the HEAD 966 * element, which contains the goods. 967 */ 968 969 if (MDOC_HEAD != mdoc->last->type) { 970 if (ENDBODY_NOT != mdoc->last->end) { 971 assert(mdoc->last->pending); 972 np = mdoc->last->pending->parent->head; 973 } else if (MDOC_BLOCK != mdoc->last->type) { 974 np = mdoc->last->parent->head; 975 } else 976 np = mdoc->last->head; 977 978 assert(np); 979 assert(MDOC_HEAD == np->type); 980 assert(MDOC_Bf == np->tok); 981 return(1); 982 } 983 984 np = mdoc->last; 985 assert(MDOC_BLOCK == np->parent->type); 986 assert(MDOC_Bf == np->parent->tok); 987 988 /* 989 * Cannot have both argument and parameter. 990 * If neither is specified, let it through with a warning. 991 */ 992 993 if (np->parent->args && np->child) { 994 mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT); 995 return(0); 996 } else if (NULL == np->parent->args && NULL == np->child) { 997 mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE); 998 return(1); 999 } 1000 1001 /* Extract argument into data. */ 1002 1003 if (np->parent->args) { 1004 arg = np->parent->args->argv[0].arg; 1005 if (MDOC_Emphasis == arg) 1006 np->norm->Bf.font = FONT_Em; 1007 else if (MDOC_Literal == arg) 1008 np->norm->Bf.font = FONT_Li; 1009 else if (MDOC_Symbolic == arg) 1010 np->norm->Bf.font = FONT_Sy; 1011 else 1012 abort(); 1013 return(1); 1014 } 1015 1016 /* Extract parameter into data. */ 1017 1018 if (0 == strcmp(np->child->string, "Em")) 1019 np->norm->Bf.font = FONT_Em; 1020 else if (0 == strcmp(np->child->string, "Li")) 1021 np->norm->Bf.font = FONT_Li; 1022 else if (0 == strcmp(np->child->string, "Sy")) 1023 np->norm->Bf.font = FONT_Sy; 1024 else 1025 mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE); 1026 1027 return(1); 1028 } 1029 1030 static int 1031 post_lb(POST_ARGS) 1032 { 1033 const char *p; 1034 char *buf; 1035 size_t sz; 1036 1037 check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1); 1038 1039 assert(mdoc->last->child); 1040 assert(MDOC_TEXT == mdoc->last->child->type); 1041 1042 p = mdoc_a2lib(mdoc->last->child->string); 1043 1044 /* If lookup ok, replace with table value. */ 1045 1046 if (p) { 1047 free(mdoc->last->child->string); 1048 mdoc->last->child->string = mandoc_strdup(p); 1049 return(1); 1050 } 1051 1052 /* If not, use "library ``xxxx''. */ 1053 1054 sz = strlen(mdoc->last->child->string) + 1055 2 + strlen("\\(lqlibrary\\(rq"); 1056 buf = mandoc_malloc(sz); 1057 snprintf(buf, sz, "library \\(lq%s\\(rq", 1058 mdoc->last->child->string); 1059 free(mdoc->last->child->string); 1060 mdoc->last->child->string = buf; 1061 return(1); 1062 } 1063 1064 static int 1065 post_eoln(POST_ARGS) 1066 { 1067 1068 if (mdoc->last->child) 1069 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST); 1070 return(1); 1071 } 1072 1073 1074 static int 1075 post_vt(POST_ARGS) 1076 { 1077 const struct mdoc_node *n; 1078 1079 /* 1080 * The Vt macro comes in both ELEM and BLOCK form, both of which 1081 * have different syntaxes (yet more context-sensitive 1082 * behaviour). ELEM types must have a child; BLOCK types, 1083 * specifically the BODY, should only have TEXT children. 1084 */ 1085 1086 if (MDOC_ELEM == mdoc->last->type) 1087 return(eerr_ge1(mdoc)); 1088 if (MDOC_BODY != mdoc->last->type) 1089 return(1); 1090 1091 for (n = mdoc->last->child; n; n = n->next) 1092 if (MDOC_TEXT != n->type) 1093 mdoc_nmsg(mdoc, n, MANDOCERR_CHILD); 1094 1095 return(1); 1096 } 1097 1098 1099 static int 1100 post_nm(POST_ARGS) 1101 { 1102 char buf[BUFSIZ]; 1103 1104 /* If no child specified, make sure we have the meta name. */ 1105 1106 if (NULL == mdoc->last->child && NULL == mdoc->meta.name) { 1107 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME); 1108 return(1); 1109 } else if (mdoc->meta.name) 1110 return(1); 1111 1112 /* If no meta name, set it from the child. */ 1113 1114 if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ)) 1115 return(0); 1116 1117 mdoc->meta.name = mandoc_strdup(buf); 1118 1119 return(1); 1120 } 1121 1122 static int 1123 post_literal(POST_ARGS) 1124 { 1125 1126 /* 1127 * The `Dl' (note "el" not "one") and `Bd' macros unset the 1128 * MDOC_LITERAL flag as they leave. Note that `Bd' only sets 1129 * this in literal mode, but it doesn't hurt to just switch it 1130 * off in general since displays can't be nested. 1131 */ 1132 1133 if (MDOC_BODY == mdoc->last->type) 1134 mdoc->flags &= ~MDOC_LITERAL; 1135 1136 return(1); 1137 } 1138 1139 static int 1140 post_defaults(POST_ARGS) 1141 { 1142 struct mdoc_node *nn; 1143 1144 /* 1145 * The `Ar' defaults to "file ..." if no value is provided as an 1146 * argument; the `Mt' and `Pa' macros use "~"; the `Li' just 1147 * gets an empty string. 1148 */ 1149 1150 if (mdoc->last->child) 1151 return(1); 1152 1153 nn = mdoc->last; 1154 mdoc->next = MDOC_NEXT_CHILD; 1155 1156 switch (nn->tok) { 1157 case (MDOC_Ar): 1158 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "file")) 1159 return(0); 1160 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "...")) 1161 return(0); 1162 break; 1163 case (MDOC_At): 1164 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "AT&T")) 1165 return(0); 1166 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "UNIX")) 1167 return(0); 1168 break; 1169 case (MDOC_Li): 1170 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "")) 1171 return(0); 1172 break; 1173 case (MDOC_Pa): 1174 /* FALLTHROUGH */ 1175 case (MDOC_Mt): 1176 if ( ! mdoc_word_alloc(mdoc, nn->line, nn->pos, "~")) 1177 return(0); 1178 break; 1179 default: 1180 abort(); 1181 /* NOTREACHED */ 1182 } 1183 1184 mdoc->last = nn; 1185 return(1); 1186 } 1187 1188 static int 1189 post_at(POST_ARGS) 1190 { 1191 const char *p, *q; 1192 char *buf; 1193 size_t sz; 1194 1195 /* 1196 * If we have a child, look it up in the standard keys. If a 1197 * key exist, use that instead of the child; if it doesn't, 1198 * prefix "AT&T UNIX " to the existing data. 1199 */ 1200 1201 if (NULL == mdoc->last->child) 1202 return(1); 1203 1204 assert(MDOC_TEXT == mdoc->last->child->type); 1205 p = mdoc_a2att(mdoc->last->child->string); 1206 1207 if (p) { 1208 free(mdoc->last->child->string); 1209 mdoc->last->child->string = mandoc_strdup(p); 1210 } else { 1211 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT); 1212 p = "AT&T UNIX "; 1213 q = mdoc->last->child->string; 1214 sz = strlen(p) + strlen(q) + 1; 1215 buf = mandoc_malloc(sz); 1216 strlcpy(buf, p, sz); 1217 strlcat(buf, q, sz); 1218 free(mdoc->last->child->string); 1219 mdoc->last->child->string = buf; 1220 } 1221 1222 return(1); 1223 } 1224 1225 static int 1226 post_an(POST_ARGS) 1227 { 1228 struct mdoc_node *np; 1229 1230 np = mdoc->last; 1231 if (AUTH__NONE != np->norm->An.auth && np->child) { 1232 check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0); 1233 return(1); 1234 } 1235 1236 /* 1237 * FIXME: make this ewarn and make sure that the front-ends 1238 * don't print the arguments. 1239 */ 1240 if (AUTH__NONE != np->norm->An.auth || np->child) 1241 return(1); 1242 1243 mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS); 1244 return(1); 1245 } 1246 1247 1248 static int 1249 post_it(POST_ARGS) 1250 { 1251 int i, cols, rc; 1252 enum mdoc_list lt; 1253 struct mdoc_node *n, *c; 1254 enum mandocerr er; 1255 1256 if (MDOC_BLOCK != mdoc->last->type) 1257 return(1); 1258 1259 n = mdoc->last->parent->parent; 1260 lt = n->norm->Bl.type; 1261 1262 if (LIST__NONE == lt) { 1263 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE); 1264 return(1); 1265 } 1266 1267 switch (lt) { 1268 case (LIST_tag): 1269 if (mdoc->last->head->child) 1270 break; 1271 /* FIXME: give this a dummy value. */ 1272 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS); 1273 break; 1274 case (LIST_hang): 1275 /* FALLTHROUGH */ 1276 case (LIST_ohang): 1277 /* FALLTHROUGH */ 1278 case (LIST_inset): 1279 /* FALLTHROUGH */ 1280 case (LIST_diag): 1281 if (NULL == mdoc->last->head->child) 1282 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS); 1283 break; 1284 case (LIST_bullet): 1285 /* FALLTHROUGH */ 1286 case (LIST_dash): 1287 /* FALLTHROUGH */ 1288 case (LIST_enum): 1289 /* FALLTHROUGH */ 1290 case (LIST_hyphen): 1291 if (NULL == mdoc->last->body->child) 1292 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY); 1293 /* FALLTHROUGH */ 1294 case (LIST_item): 1295 if (mdoc->last->head->child) 1296 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST); 1297 break; 1298 case (LIST_column): 1299 cols = (int)n->norm->Bl.ncols; 1300 1301 assert(NULL == mdoc->last->head->child); 1302 1303 if (NULL == mdoc->last->body->child) 1304 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY); 1305 1306 for (i = 0, c = mdoc->last->child; c; c = c->next) 1307 if (MDOC_BODY == c->type) 1308 i++; 1309 1310 if (i < cols) 1311 er = MANDOCERR_ARGCOUNT; 1312 else if (i == cols || i == cols + 1) 1313 break; 1314 else 1315 er = MANDOCERR_SYNTARGCOUNT; 1316 1317 rc = mdoc_vmsg(mdoc, er, 1318 mdoc->last->line, mdoc->last->pos, 1319 "columns == %d (have %d)", cols, i); 1320 return(rc); 1321 default: 1322 break; 1323 } 1324 1325 return(1); 1326 } 1327 1328 static int 1329 post_bl_block(POST_ARGS) 1330 { 1331 struct mdoc_node *n; 1332 1333 /* 1334 * These are fairly complicated, so we've broken them into two 1335 * functions. post_bl_block_tag() is called when a -tag is 1336 * specified, but no -width (it must be guessed). The second 1337 * when a -width is specified (macro indicators must be 1338 * rewritten into real lengths). 1339 */ 1340 1341 n = mdoc->last; 1342 1343 if (LIST_tag == n->norm->Bl.type && 1344 NULL == n->norm->Bl.width) { 1345 if ( ! post_bl_block_tag(mdoc)) 1346 return(0); 1347 } else if (NULL != n->norm->Bl.width) { 1348 if ( ! post_bl_block_width(mdoc)) 1349 return(0); 1350 } else 1351 return(1); 1352 1353 assert(n->norm->Bl.width); 1354 return(1); 1355 } 1356 1357 static int 1358 post_bl_block_width(POST_ARGS) 1359 { 1360 size_t width; 1361 int i; 1362 enum mdoct tok; 1363 struct mdoc_node *n; 1364 char buf[NUMSIZ]; 1365 1366 n = mdoc->last; 1367 1368 /* 1369 * Calculate the real width of a list from the -width string, 1370 * which may contain a macro (with a known default width), a 1371 * literal string, or a scaling width. 1372 * 1373 * If the value to -width is a macro, then we re-write it to be 1374 * the macro's width as set in share/tmac/mdoc/doc-common. 1375 */ 1376 1377 if (0 == strcmp(n->norm->Bl.width, "Ds")) 1378 width = 6; 1379 else if (MDOC_MAX == (tok = mdoc_hash_find(n->norm->Bl.width))) 1380 return(1); 1381 else if (0 == (width = mdoc_macro2len(tok))) { 1382 mdoc_nmsg(mdoc, n, MANDOCERR_BADWIDTH); 1383 return(1); 1384 } 1385 1386 /* The value already exists: free and reallocate it. */ 1387 1388 assert(n->args); 1389 1390 for (i = 0; i < (int)n->args->argc; i++) 1391 if (MDOC_Width == n->args->argv[i].arg) 1392 break; 1393 1394 assert(i < (int)n->args->argc); 1395 1396 snprintf(buf, NUMSIZ, "%zun", width); 1397 free(n->args->argv[i].value[0]); 1398 n->args->argv[i].value[0] = mandoc_strdup(buf); 1399 1400 /* Set our width! */ 1401 n->norm->Bl.width = n->args->argv[i].value[0]; 1402 return(1); 1403 } 1404 1405 static int 1406 post_bl_block_tag(POST_ARGS) 1407 { 1408 struct mdoc_node *n, *nn; 1409 size_t sz, ssz; 1410 int i; 1411 char buf[NUMSIZ]; 1412 1413 /* 1414 * Calculate the -width for a `Bl -tag' list if it hasn't been 1415 * provided. Uses the first head macro. NOTE AGAIN: this is 1416 * ONLY if the -width argument has NOT been provided. See 1417 * post_bl_block_width() for converting the -width string. 1418 */ 1419 1420 sz = 10; 1421 n = mdoc->last; 1422 1423 for (nn = n->body->child; nn; nn = nn->next) { 1424 if (MDOC_It != nn->tok) 1425 continue; 1426 1427 assert(MDOC_BLOCK == nn->type); 1428 nn = nn->head->child; 1429 1430 if (nn == NULL) 1431 break; 1432 1433 if (MDOC_TEXT == nn->type) { 1434 sz = strlen(nn->string) + 1; 1435 break; 1436 } 1437 1438 if (0 != (ssz = mdoc_macro2len(nn->tok))) 1439 sz = ssz; 1440 1441 break; 1442 } 1443 1444 /* Defaults to ten ens. */ 1445 1446 snprintf(buf, NUMSIZ, "%zun", sz); 1447 1448 /* 1449 * We have to dynamically add this to the macro's argument list. 1450 * We're guaranteed that a MDOC_Width doesn't already exist. 1451 */ 1452 1453 assert(n->args); 1454 i = (int)(n->args->argc)++; 1455 1456 n->args->argv = mandoc_realloc(n->args->argv, 1457 n->args->argc * sizeof(struct mdoc_argv)); 1458 1459 n->args->argv[i].arg = MDOC_Width; 1460 n->args->argv[i].line = n->line; 1461 n->args->argv[i].pos = n->pos; 1462 n->args->argv[i].sz = 1; 1463 n->args->argv[i].value = mandoc_malloc(sizeof(char *)); 1464 n->args->argv[i].value[0] = mandoc_strdup(buf); 1465 1466 /* Set our width! */ 1467 n->norm->Bl.width = n->args->argv[i].value[0]; 1468 return(1); 1469 } 1470 1471 1472 static int 1473 post_bl_head(POST_ARGS) 1474 { 1475 struct mdoc_node *np, *nn, *nnp; 1476 int i, j; 1477 1478 if (LIST_column != mdoc->last->norm->Bl.type) 1479 /* FIXME: this should be ERROR class... */ 1480 return(hwarn_eq0(mdoc)); 1481 1482 /* 1483 * Convert old-style lists, where the column width specifiers 1484 * trail as macro parameters, to the new-style ("normal-form") 1485 * lists where they're argument values following -column. 1486 */ 1487 1488 /* First, disallow both types and allow normal-form. */ 1489 1490 /* 1491 * TODO: technically, we can accept both and just merge the two 1492 * lists, but I'll leave that for another day. 1493 */ 1494 1495 if (mdoc->last->norm->Bl.ncols && mdoc->last->nchild) { 1496 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_COLUMNS); 1497 return(0); 1498 } else if (NULL == mdoc->last->child) 1499 return(1); 1500 1501 np = mdoc->last->parent; 1502 assert(np->args); 1503 1504 for (j = 0; j < (int)np->args->argc; j++) 1505 if (MDOC_Column == np->args->argv[j].arg) 1506 break; 1507 1508 assert(j < (int)np->args->argc); 1509 assert(0 == np->args->argv[j].sz); 1510 1511 /* 1512 * Accomodate for new-style groff column syntax. Shuffle the 1513 * child nodes, all of which must be TEXT, as arguments for the 1514 * column field. Then, delete the head children. 1515 */ 1516 1517 np->args->argv[j].sz = (size_t)mdoc->last->nchild; 1518 np->args->argv[j].value = mandoc_malloc 1519 ((size_t)mdoc->last->nchild * sizeof(char *)); 1520 1521 mdoc->last->norm->Bl.ncols = np->args->argv[j].sz; 1522 mdoc->last->norm->Bl.cols = (const char **)np->args->argv[j].value; 1523 1524 for (i = 0, nn = mdoc->last->child; nn; i++) { 1525 np->args->argv[j].value[i] = nn->string; 1526 nn->string = NULL; 1527 nnp = nn; 1528 nn = nn->next; 1529 mdoc_node_delete(NULL, nnp); 1530 } 1531 1532 mdoc->last->nchild = 0; 1533 mdoc->last->child = NULL; 1534 1535 return(1); 1536 } 1537 1538 static int 1539 post_bl(POST_ARGS) 1540 { 1541 struct mdoc_node *n; 1542 1543 if (MDOC_HEAD == mdoc->last->type) 1544 return(post_bl_head(mdoc)); 1545 if (MDOC_BLOCK == mdoc->last->type) 1546 return(post_bl_block(mdoc)); 1547 if (MDOC_BODY != mdoc->last->type) 1548 return(1); 1549 1550 for (n = mdoc->last->child; n; n = n->next) { 1551 switch (n->tok) { 1552 case (MDOC_Lp): 1553 /* FALLTHROUGH */ 1554 case (MDOC_Pp): 1555 mdoc_nmsg(mdoc, n, MANDOCERR_CHILD); 1556 /* FALLTHROUGH */ 1557 case (MDOC_It): 1558 /* FALLTHROUGH */ 1559 case (MDOC_Sm): 1560 continue; 1561 default: 1562 break; 1563 } 1564 1565 mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD); 1566 return(0); 1567 } 1568 1569 return(1); 1570 } 1571 1572 static int 1573 ebool(struct mdoc *mdoc) 1574 { 1575 1576 if (NULL == mdoc->last->child) { 1577 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY); 1578 mdoc_node_delete(mdoc, mdoc->last); 1579 return(1); 1580 } 1581 check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 1); 1582 1583 assert(MDOC_TEXT == mdoc->last->child->type); 1584 1585 if (0 == strcmp(mdoc->last->child->string, "on")) 1586 return(1); 1587 if (0 == strcmp(mdoc->last->child->string, "off")) 1588 return(1); 1589 1590 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADBOOL); 1591 return(1); 1592 } 1593 1594 static int 1595 post_root(POST_ARGS) 1596 { 1597 int erc; 1598 struct mdoc_node *n; 1599 1600 erc = 0; 1601 1602 /* Check that we have a finished prologue. */ 1603 1604 if ( ! (MDOC_PBODY & mdoc->flags)) { 1605 erc++; 1606 mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG); 1607 } 1608 1609 n = mdoc->first; 1610 assert(n); 1611 1612 /* Check that we begin with a proper `Sh'. */ 1613 1614 if (NULL == n->child) { 1615 erc++; 1616 mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY); 1617 } else if (MDOC_BLOCK != n->child->type || 1618 MDOC_Sh != n->child->tok) { 1619 erc++; 1620 /* Can this be lifted? See rxdebug.1 for example. */ 1621 mdoc_nmsg(mdoc, n, MANDOCERR_NODOCBODY); 1622 } 1623 1624 return(erc ? 0 : 1); 1625 } 1626 1627 static int 1628 post_st(POST_ARGS) 1629 { 1630 struct mdoc_node *ch; 1631 const char *p; 1632 1633 if (NULL == (ch = mdoc->last->child)) { 1634 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_MACROEMPTY); 1635 mdoc_node_delete(mdoc, mdoc->last); 1636 return(1); 1637 } 1638 1639 assert(MDOC_TEXT == ch->type); 1640 1641 if (NULL == (p = mdoc_a2st(ch->string))) { 1642 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD); 1643 mdoc_node_delete(mdoc, mdoc->last); 1644 } else { 1645 free(ch->string); 1646 ch->string = mandoc_strdup(p); 1647 } 1648 1649 return(1); 1650 } 1651 1652 static int 1653 post_rs(POST_ARGS) 1654 { 1655 struct mdoc_node *nn, *next, *prev; 1656 int i, j; 1657 1658 switch (mdoc->last->type) { 1659 case (MDOC_HEAD): 1660 check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0); 1661 return(1); 1662 case (MDOC_BODY): 1663 if (mdoc->last->child) 1664 break; 1665 check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0); 1666 return(1); 1667 default: 1668 return(1); 1669 } 1670 1671 /* 1672 * Make sure only certain types of nodes are allowed within the 1673 * the `Rs' body. Delete offending nodes and raise a warning. 1674 * Do this before re-ordering for the sake of clarity. 1675 */ 1676 1677 next = NULL; 1678 for (nn = mdoc->last->child; nn; nn = next) { 1679 for (i = 0; i < RSORD_MAX; i++) 1680 if (nn->tok == rsord[i]) 1681 break; 1682 1683 if (i < RSORD_MAX) { 1684 if (MDOC__J == rsord[i]) 1685 mdoc->last->norm->Rs.child_J = nn; 1686 next = nn->next; 1687 continue; 1688 } 1689 1690 next = nn->next; 1691 mdoc_nmsg(mdoc, nn, MANDOCERR_CHILD); 1692 mdoc_node_delete(mdoc, nn); 1693 } 1694 1695 /* 1696 * The full `Rs' block needs special handling to order the 1697 * sub-elements according to `rsord'. Pick through each element 1698 * and correctly order it. This is a insertion sort. 1699 */ 1700 1701 next = NULL; 1702 for (nn = mdoc->last->child->next; nn; nn = next) { 1703 /* Determine order of `nn'. */ 1704 for (i = 0; i < RSORD_MAX; i++) 1705 if (rsord[i] == nn->tok) 1706 break; 1707 1708 /* 1709 * Remove `nn' from the chain. This somewhat 1710 * repeats mdoc_node_unlink(), but since we're 1711 * just re-ordering, there's no need for the 1712 * full unlink process. 1713 */ 1714 1715 if (NULL != (next = nn->next)) 1716 next->prev = nn->prev; 1717 1718 if (NULL != (prev = nn->prev)) 1719 prev->next = nn->next; 1720 1721 nn->prev = nn->next = NULL; 1722 1723 /* 1724 * Scan back until we reach a node that's 1725 * ordered before `nn'. 1726 */ 1727 1728 for ( ; prev ; prev = prev->prev) { 1729 /* Determine order of `prev'. */ 1730 for (j = 0; j < RSORD_MAX; j++) 1731 if (rsord[j] == prev->tok) 1732 break; 1733 1734 if (j <= i) 1735 break; 1736 } 1737 1738 /* 1739 * Set `nn' back into its correct place in front 1740 * of the `prev' node. 1741 */ 1742 1743 nn->prev = prev; 1744 1745 if (prev) { 1746 if (prev->next) 1747 prev->next->prev = nn; 1748 nn->next = prev->next; 1749 prev->next = nn; 1750 } else { 1751 mdoc->last->child->prev = nn; 1752 nn->next = mdoc->last->child; 1753 mdoc->last->child = nn; 1754 } 1755 } 1756 1757 return(1); 1758 } 1759 1760 static int 1761 post_sh(POST_ARGS) 1762 { 1763 1764 if (MDOC_HEAD == mdoc->last->type) 1765 return(post_sh_head(mdoc)); 1766 if (MDOC_BODY == mdoc->last->type) 1767 return(post_sh_body(mdoc)); 1768 1769 return(1); 1770 } 1771 1772 static int 1773 post_sh_body(POST_ARGS) 1774 { 1775 struct mdoc_node *n; 1776 1777 if (SEC_NAME != mdoc->lastsec) 1778 return(1); 1779 1780 /* 1781 * Warn if the NAME section doesn't contain the `Nm' and `Nd' 1782 * macros (can have multiple `Nm' and one `Nd'). Note that the 1783 * children of the BODY declaration can also be "text". 1784 */ 1785 1786 if (NULL == (n = mdoc->last->child)) { 1787 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC); 1788 return(1); 1789 } 1790 1791 for ( ; n && n->next; n = n->next) { 1792 if (MDOC_ELEM == n->type && MDOC_Nm == n->tok) 1793 continue; 1794 if (MDOC_TEXT == n->type) 1795 continue; 1796 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC); 1797 } 1798 1799 assert(n); 1800 if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok) 1801 return(1); 1802 1803 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC); 1804 return(1); 1805 } 1806 1807 static int 1808 post_sh_head(POST_ARGS) 1809 { 1810 char buf[BUFSIZ]; 1811 enum mdoc_sec sec; 1812 1813 /* 1814 * Process a new section. Sections are either "named" or 1815 * "custom". Custom sections are user-defined, while named ones 1816 * follow a conventional order and may only appear in certain 1817 * manual sections. 1818 */ 1819 1820 if ( ! concat(mdoc, buf, mdoc->last->child, BUFSIZ)) 1821 return(0); 1822 1823 sec = mdoc_str2sec(buf); 1824 1825 /* The NAME should be first. */ 1826 1827 if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed) 1828 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST); 1829 1830 /* The SYNOPSIS gets special attention in other areas. */ 1831 1832 if (SEC_SYNOPSIS == sec) 1833 mdoc->flags |= MDOC_SYNOPSIS; 1834 else 1835 mdoc->flags &= ~MDOC_SYNOPSIS; 1836 1837 /* Mark our last section. */ 1838 1839 mdoc->lastsec = sec; 1840 1841 /* We don't care about custom sections after this. */ 1842 1843 if (SEC_CUSTOM == sec) 1844 return(1); 1845 1846 /* 1847 * Check whether our non-custom section is being repeated or is 1848 * out of order. 1849 */ 1850 1851 if (sec == mdoc->lastnamed) 1852 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP); 1853 1854 if (sec < mdoc->lastnamed) 1855 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO); 1856 1857 /* Mark the last named section. */ 1858 1859 mdoc->lastnamed = sec; 1860 1861 /* Check particular section/manual conventions. */ 1862 1863 assert(mdoc->meta.msec); 1864 1865 switch (sec) { 1866 case (SEC_RETURN_VALUES): 1867 /* FALLTHROUGH */ 1868 case (SEC_ERRORS): 1869 /* FALLTHROUGH */ 1870 case (SEC_LIBRARY): 1871 if (*mdoc->meta.msec == '2') 1872 break; 1873 if (*mdoc->meta.msec == '3') 1874 break; 1875 if (*mdoc->meta.msec == '9') 1876 break; 1877 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC); 1878 break; 1879 default: 1880 break; 1881 } 1882 1883 return(1); 1884 } 1885 1886 static int 1887 post_ignpar(POST_ARGS) 1888 { 1889 struct mdoc_node *np; 1890 1891 if (MDOC_BODY != mdoc->last->type) 1892 return(1); 1893 1894 if (NULL != (np = mdoc->last->child)) 1895 if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) { 1896 mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR); 1897 mdoc_node_delete(mdoc, np); 1898 } 1899 1900 if (NULL != (np = mdoc->last->last)) 1901 if (MDOC_Pp == np->tok || MDOC_Lp == np->tok) { 1902 mdoc_nmsg(mdoc, np, MANDOCERR_IGNPAR); 1903 mdoc_node_delete(mdoc, np); 1904 } 1905 1906 return(1); 1907 } 1908 1909 static int 1910 pre_par(PRE_ARGS) 1911 { 1912 1913 if (NULL == mdoc->last) 1914 return(1); 1915 if (MDOC_ELEM != n->type && MDOC_BLOCK != n->type) 1916 return(1); 1917 1918 /* 1919 * Don't allow prior `Lp' or `Pp' prior to a paragraph-type 1920 * block: `Lp', `Pp', or non-compact `Bd' or `Bl'. 1921 */ 1922 1923 if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok) 1924 return(1); 1925 if (MDOC_Bl == n->tok && n->norm->Bl.comp) 1926 return(1); 1927 if (MDOC_Bd == n->tok && n->norm->Bd.comp) 1928 return(1); 1929 if (MDOC_It == n->tok && n->parent->norm->Bl.comp) 1930 return(1); 1931 1932 mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR); 1933 mdoc_node_delete(mdoc, mdoc->last); 1934 return(1); 1935 } 1936 1937 static int 1938 pre_literal(PRE_ARGS) 1939 { 1940 1941 if (MDOC_BODY != n->type) 1942 return(1); 1943 1944 /* 1945 * The `Dl' (note "el" not "one") and `Bd -literal' and `Bd 1946 * -unfilled' macros set MDOC_LITERAL on entrance to the body. 1947 */ 1948 1949 switch (n->tok) { 1950 case (MDOC_Dl): 1951 mdoc->flags |= MDOC_LITERAL; 1952 break; 1953 case (MDOC_Bd): 1954 if (DISP_literal == n->norm->Bd.type) 1955 mdoc->flags |= MDOC_LITERAL; 1956 if (DISP_unfilled == n->norm->Bd.type) 1957 mdoc->flags |= MDOC_LITERAL; 1958 break; 1959 default: 1960 abort(); 1961 /* NOTREACHED */ 1962 } 1963 1964 return(1); 1965 } 1966 1967 static int 1968 post_dd(POST_ARGS) 1969 { 1970 char buf[DATESIZE]; 1971 struct mdoc_node *n; 1972 1973 n = mdoc->last; 1974 1975 if (NULL == n->child) { 1976 mdoc->meta.date = time(NULL); 1977 return(1); 1978 } 1979 1980 if ( ! concat(mdoc, buf, n->child, DATESIZE)) 1981 return(0); 1982 1983 mdoc->meta.date = mandoc_a2time 1984 (MTIME_MDOCDATE | MTIME_CANONICAL, buf); 1985 1986 if (0 == mdoc->meta.date) { 1987 mdoc_nmsg(mdoc, n, MANDOCERR_BADDATE); 1988 mdoc->meta.date = time(NULL); 1989 } 1990 1991 return(1); 1992 } 1993 1994 static int 1995 post_dt(POST_ARGS) 1996 { 1997 struct mdoc_node *nn, *n; 1998 const char *cp; 1999 char *p; 2000 2001 n = mdoc->last; 2002 2003 if (mdoc->meta.title) 2004 free(mdoc->meta.title); 2005 if (mdoc->meta.vol) 2006 free(mdoc->meta.vol); 2007 if (mdoc->meta.arch) 2008 free(mdoc->meta.arch); 2009 2010 mdoc->meta.title = mdoc->meta.vol = mdoc->meta.arch = NULL; 2011 2012 /* First make all characters uppercase. */ 2013 2014 if (NULL != (nn = n->child)) 2015 for (p = nn->string; *p; p++) { 2016 if (toupper((u_char)*p) == *p) 2017 continue; 2018 2019 /* 2020 * FIXME: don't be lazy: have this make all 2021 * characters be uppercase and just warn once. 2022 */ 2023 mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE); 2024 break; 2025 } 2026 2027 /* Handles: `.Dt' 2028 * --> title = unknown, volume = local, msec = 0, arch = NULL 2029 */ 2030 2031 if (NULL == (nn = n->child)) { 2032 /* XXX: make these macro values. */ 2033 /* FIXME: warn about missing values. */ 2034 mdoc->meta.title = mandoc_strdup("UNKNOWN"); 2035 mdoc->meta.vol = mandoc_strdup("LOCAL"); 2036 mdoc->meta.msec = mandoc_strdup("1"); 2037 return(1); 2038 } 2039 2040 /* Handles: `.Dt TITLE' 2041 * --> title = TITLE, volume = local, msec = 0, arch = NULL 2042 */ 2043 2044 mdoc->meta.title = mandoc_strdup 2045 ('\0' == nn->string[0] ? "UNKNOWN" : nn->string); 2046 2047 if (NULL == (nn = nn->next)) { 2048 /* FIXME: warn about missing msec. */ 2049 /* XXX: make this a macro value. */ 2050 mdoc->meta.vol = mandoc_strdup("LOCAL"); 2051 mdoc->meta.msec = mandoc_strdup("1"); 2052 return(1); 2053 } 2054 2055 /* Handles: `.Dt TITLE SEC' 2056 * --> title = TITLE, volume = SEC is msec ? 2057 * format(msec) : SEC, 2058 * msec = SEC is msec ? atoi(msec) : 0, 2059 * arch = NULL 2060 */ 2061 2062 cp = mdoc_a2msec(nn->string); 2063 if (cp) { 2064 mdoc->meta.vol = mandoc_strdup(cp); 2065 mdoc->meta.msec = mandoc_strdup(nn->string); 2066 } else { 2067 mdoc_nmsg(mdoc, n, MANDOCERR_BADMSEC); 2068 mdoc->meta.vol = mandoc_strdup(nn->string); 2069 mdoc->meta.msec = mandoc_strdup(nn->string); 2070 } 2071 2072 if (NULL == (nn = nn->next)) 2073 return(1); 2074 2075 /* Handles: `.Dt TITLE SEC VOL' 2076 * --> title = TITLE, volume = VOL is vol ? 2077 * format(VOL) : 2078 * VOL is arch ? format(arch) : 2079 * VOL 2080 */ 2081 2082 cp = mdoc_a2vol(nn->string); 2083 if (cp) { 2084 free(mdoc->meta.vol); 2085 mdoc->meta.vol = mandoc_strdup(cp); 2086 } else { 2087 /* FIXME: warn about bad arch. */ 2088 cp = mdoc_a2arch(nn->string); 2089 if (NULL == cp) { 2090 free(mdoc->meta.vol); 2091 mdoc->meta.vol = mandoc_strdup(nn->string); 2092 } else 2093 mdoc->meta.arch = mandoc_strdup(cp); 2094 } 2095 2096 /* Ignore any subsequent parameters... */ 2097 /* FIXME: warn about subsequent parameters. */ 2098 2099 return(1); 2100 } 2101 2102 static int 2103 post_prol(POST_ARGS) 2104 { 2105 /* 2106 * Remove prologue macros from the document after they're 2107 * processed. The final document uses mdoc_meta for these 2108 * values and discards the originals. 2109 */ 2110 2111 mdoc_node_delete(mdoc, mdoc->last); 2112 if (mdoc->meta.title && mdoc->meta.date && mdoc->meta.os) 2113 mdoc->flags |= MDOC_PBODY; 2114 2115 return(1); 2116 } 2117 2118 static int 2119 post_os(POST_ARGS) 2120 { 2121 struct mdoc_node *n; 2122 char buf[BUFSIZ]; 2123 #ifndef OSNAME 2124 struct utsname utsname; 2125 #endif 2126 2127 n = mdoc->last; 2128 2129 /* 2130 * Set the operating system by way of the `Os' macro. Note that 2131 * if an argument isn't provided and -DOSNAME="\"foo\"" is 2132 * provided during compilation, this value will be used instead 2133 * of filling in "sysname release" from uname(). 2134 */ 2135 2136 if (mdoc->meta.os) 2137 free(mdoc->meta.os); 2138 2139 if ( ! concat(mdoc, buf, n->child, BUFSIZ)) 2140 return(0); 2141 2142 /* XXX: yes, these can all be dynamically-adjusted buffers, but 2143 * it's really not worth the extra hackery. 2144 */ 2145 2146 if ('\0' == buf[0]) { 2147 #ifdef OSNAME 2148 if (strlcat(buf, OSNAME, BUFSIZ) >= BUFSIZ) { 2149 mdoc_nmsg(mdoc, n, MANDOCERR_MEM); 2150 return(0); 2151 } 2152 #else /*!OSNAME */ 2153 if (uname(&utsname)) { 2154 mdoc_nmsg(mdoc, n, MANDOCERR_UNAME); 2155 mdoc->meta.os = mandoc_strdup("UNKNOWN"); 2156 return(post_prol(mdoc)); 2157 } 2158 2159 if (strlcat(buf, utsname.sysname, BUFSIZ) >= BUFSIZ) { 2160 mdoc_nmsg(mdoc, n, MANDOCERR_MEM); 2161 return(0); 2162 } 2163 if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) { 2164 mdoc_nmsg(mdoc, n, MANDOCERR_MEM); 2165 return(0); 2166 } 2167 if (strlcat(buf, utsname.release, BUFSIZ) >= BUFSIZ) { 2168 mdoc_nmsg(mdoc, n, MANDOCERR_MEM); 2169 return(0); 2170 } 2171 #endif /*!OSNAME*/ 2172 } 2173 2174 mdoc->meta.os = mandoc_strdup(buf); 2175 return(1); 2176 } 2177 2178 static int 2179 post_std(POST_ARGS) 2180 { 2181 struct mdoc_node *nn, *n; 2182 2183 n = mdoc->last; 2184 2185 /* 2186 * Macros accepting `-std' as an argument have the name of the 2187 * current document (`Nm') filled in as the argument if it's not 2188 * provided. 2189 */ 2190 2191 if (n->child) 2192 return(1); 2193 2194 if (NULL == mdoc->meta.name) 2195 return(1); 2196 2197 nn = n; 2198 mdoc->next = MDOC_NEXT_CHILD; 2199 2200 if ( ! mdoc_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name)) 2201 return(0); 2202 2203 mdoc->last = nn; 2204 return(1); 2205 } 2206 2207 static int 2208 concat(struct mdoc *m, char *p, const struct mdoc_node *n, size_t sz) 2209 { 2210 2211 p[0] = '\0'; 2212 2213 /* 2214 * Concatenate sibling nodes together. All siblings must be of 2215 * type MDOC_TEXT or an assertion is raised. Concatenation is 2216 * separated by a single whitespace. Returns 0 on fatal (string 2217 * overrun) error. 2218 */ 2219 2220 for ( ; n; n = n->next) { 2221 assert(MDOC_TEXT == n->type); 2222 2223 if (strlcat(p, n->string, sz) >= sz) { 2224 mdoc_nmsg(m, n, MANDOCERR_MEM); 2225 return(0); 2226 } 2227 2228 if (NULL == n->next) 2229 continue; 2230 2231 if (strlcat(p, " ", sz) >= sz) { 2232 mdoc_nmsg(m, n, MANDOCERR_MEM); 2233 return(0); 2234 } 2235 } 2236 2237 return(1); 2238 } 2239 2240