strings.c

   1 /* $Id: strings.c,v 1.19 2009/02/25 12:32:50 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the
   7  * above copyright notice and this permission notice appear in all
   8  * copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19 #include <assert.h>
  20 #include <ctype.h>
  21 #include <stdlib.h>
  22 #include <stdio.h>
  23 #include <string.h>
  24 #ifndef __OpenBSD__
  25 #include <time.h>
  26 #endif
  27
  28 /*
  29  * Convert scalars to and from string format.
  30  */
  31
  32 #include "private.h"
  33
  34 #ifdef __linux__
  35 extern  char            *strptime(const char *, const char *, struct tm *);
  36 #endif
  37
  38
  39 size_t
  40 mdoc_isescape(const char *p)
  41 {
  42         size_t           c;
  43
  44         if ('\\' != *p++)
  45                 return(0);
  46
  47         switch (*p) {
  48         case ('\\'):
  49                 /* FALLTHROUGH */
  50         case ('\''):
  51                 /* FALLTHROUGH */
  52         case ('`'):
  53                 /* FALLTHROUGH */
  54         case ('-'):
  55                 /* FALLTHROUGH */
  56         case (' '):
  57                 /* FALLTHROUGH */
  58         case ('&'):
  59                 /* FALLTHROUGH */
  60         case ('.'):
  61                 /* FALLTHROUGH */
  62         case ('e'):
  63                 return(2);
  64         case ('('):
  65                 if (0 == *++p || ! isgraph((int)*p))
  66                         return(0);
  67                 if (0 == *++p || ! isgraph((int)*p))
  68                         return(0);
  69                 return(4);
  70         case ('['):
  71                 break;
  72         default:
  73                 return(0);
  74         }
  75
  76         for (c = 3, p++; *p && ']' != *p; p++, c++)
  77                 if ( ! isgraph((int)*p))
  78                         break;
  79
  80         return(*p == ']' ? c : 0);
  81 }
  82
  83
  84 int
  85 mdoc_iscdelim(char p)
  86 {
  87
  88         switch (p) {
  89         case('.'):
  90                 /* FALLTHROUGH */
  91         case(','):
  92                 /* FALLTHROUGH */
  93         case(';'):
  94                 /* FALLTHROUGH */
  95         case(':'):
  96                 /* FALLTHROUGH */
  97         case('?'):
  98                 /* FALLTHROUGH */
  99         case('!'):
 100                 /* FALLTHROUGH */
 101         case('('):
 102                 /* FALLTHROUGH */
 103         case(')'):
 104                 /* FALLTHROUGH */
 105         case('['):
 106                 /* FALLTHROUGH */
 107         case(']'):
 108                 /* FALLTHROUGH */
 109         case('{'):
 110                 /* FALLTHROUGH */
 111         case('}'):
 112                 return(1);
 113         default:
 114                 break;
 115         }
 116
 117         return(0);
 118 }
 119
 120
 121 int
 122 mdoc_isdelim(const char *p)
 123 {
 124
 125         if (0 == *p)
 126                 return(0);
 127         if (0 != *(p + 1))
 128                 return(0);
 129         return(mdoc_iscdelim(*p));
 130 }
 131
 132
 133 enum mdoc_sec
 134 mdoc_atosec(const char *p)
 135 {
 136
 137         assert(p);
 138         if (0 == strcmp(p, "NAME"))
 139                 return(SEC_NAME);
 140         else if (0 == strcmp(p, "RETURN VALUES"))
 141                 return(SEC_RETURN_VALUES);
 142         else if (0 == strcmp(p, "SEE ALSO"))
 143                 return(SEC_SEE_ALSO);
 144         else if (0 == strcmp(p, "SYNOPSIS"))
 145                 return(SEC_SYNOPSIS);
 146         else if (0 == strcmp(p, "DESCRIPTION"))
 147                 return(SEC_DESCRIPTION);
 148         else if (0 == strcmp(p, "ENVIRONMENT"))
 149                 return(SEC_ENVIRONMENT);
 150         else if (0 == strcmp(p, "FILES"))
 151                 return(SEC_FILES);
 152         else if (0 == strcmp(p, "EXAMPLES"))
 153                 return(SEC_EXAMPLES);
 154         else if (0 == strcmp(p, "DIAGNOSTICS"))
 155                 return(SEC_DIAGNOSTICS);
 156         else if (0 == strcmp(p, "ERRORS"))
 157                 return(SEC_ERRORS);
 158         else if (0 == strcmp(p, "STANDARDS"))
 159                 return(SEC_STANDARDS);
 160         else if (0 == strcmp(p, "HISTORY"))
 161                 return(SEC_HISTORY);
 162         else if (0 == strcmp(p, "AUTHORS"))
 163                 return(SEC_AUTHORS);
 164         else if (0 == strcmp(p, "CAVEATS"))
 165                 return(SEC_CAVEATS);
 166         else if (0 == strcmp(p, "BUGS"))
 167                 return(SEC_BUGS);
 168
 169         return(SEC_CUSTOM);
 170 }
 171
 172
 173 time_t
 174 mdoc_atotime(const char *p)
 175 {
 176         struct tm        tm;
 177         char            *pp;
 178
 179         (void)memset(&tm, 0, sizeof(struct tm));
 180
 181         if (xstrcmp(p, "$Mdocdate: February 25 2009 $"))
 182                 return(time(NULL));
 183         if ((pp = strptime(p, "$Mdocdate: February 25 2009 $", &tm)) && 0 == *pp)
 184                 return(mktime(&tm));
 185         /* XXX - this matches "June 1999", which is wrong. */
 186         if ((pp = strptime(p, "%b %d %Y", &tm)) && 0 == *pp)
 187                 return(mktime(&tm));
 188         if ((pp = strptime(p, "%b %d, %Y", &tm)) && 0 == *pp)
 189                 return(mktime(&tm));
 190
 191         return(0);
 192 }
 193
 194
 195 enum mdoc_msec
 196 mdoc_atomsec(const char *p)
 197 {
 198
 199         if (0 == strcmp(p, "1"))
 200                 return(MSEC_1);
 201         else if (0 == strcmp(p, "2"))
 202                 return(MSEC_2);
 203         else if (0 == strcmp(p, "3"))
 204                 return(MSEC_3);
 205         else if (0 == strcmp(p, "3f"))
 206                 return(MSEC_3f);
 207         else if (0 == strcmp(p, "3p"))
 208                 return(MSEC_3p);
 209         else if (0 == strcmp(p, "4"))
 210                 return(MSEC_4);
 211         else if (0 == strcmp(p, "5"))
 212                 return(MSEC_5);
 213         else if (0 == strcmp(p, "6"))
 214                 return(MSEC_6);
 215         else if (0 == strcmp(p, "7"))
 216                 return(MSEC_7);
 217         else if (0 == strcmp(p, "8"))
 218                 return(MSEC_8);
 219         else if (0 == strcmp(p, "9"))
 220                 return(MSEC_9);
 221         else if (0 == strcmp(p, "X11"))
 222                 return(MSEC_X11);
 223         else if (0 == strcmp(p, "X11R6"))
 224                 return(MSEC_X11R6);
 225         else if (0 == strcmp(p, "local"))
 226                 return(MSEC_local);
 227         else if (0 == strcmp(p, "n"))
 228                 return(MSEC_n);
 229         else if (0 == strcmp(p, "unass"))
 230                 return(MSEC_unass);
 231         else if (0 == strcmp(p, "draft"))
 232                 return(MSEC_draft);
 233         else if (0 == strcmp(p, "paper"))
 234                 return(MSEC_paper);
 235
 236         return(MSEC_DEFAULT);
 237 }
 238
 239
 240 enum mdoc_vol
 241 mdoc_atovol(const char *p)
 242 {
 243
 244         if (0 == strcmp(p, "AMD"))
 245                 return(VOL_AMD);
 246         else if (0 == strcmp(p, "IND"))
 247                 return(VOL_IND);
 248         else if (0 == strcmp(p, "KM"))
 249                 return(VOL_KM);
 250         else if (0 == strcmp(p, "LOCAL"))
 251                 return(VOL_LOCAL);
 252         else if (0 == strcmp(p, "PRM"))
 253                 return(VOL_PRM);
 254         else if (0 == strcmp(p, "PS1"))
 255                 return(VOL_PS1);
 256         else if (0 == strcmp(p, "SMM"))
 257                 return(VOL_SMM);
 258         else if (0 == strcmp(p, "URM"))
 259                 return(VOL_URM);
 260         else if (0 == strcmp(p, "USD"))
 261                 return(VOL_USD);
 262
 263         return(VOL_DEFAULT);
 264 }
 265
 266
 267 enum mdoc_arch
 268 mdoc_atoarch(const char *p)
 269 {
 270
 271         if (0 == strcmp(p, "alpha"))
 272                 return(ARCH_alpha);
 273         else if (0 == strcmp(p, "amd64"))
 274                 return(ARCH_amd64);
 275         else if (0 == strcmp(p, "amiga"))
 276                 return(ARCH_amiga);
 277         else if (0 == strcmp(p, "arc"))
 278                 return(ARCH_arc);
 279         else if (0 == strcmp(p, "arm"))
 280                 return(ARCH_arm);
 281         else if (0 == strcmp(p, "armish"))
 282                 return(ARCH_armish);
 283         else if (0 == strcmp(p, "aviion"))
 284                 return(ARCH_aviion);
 285         else if (0 == strcmp(p, "hp300"))
 286                 return(ARCH_hp300);
 287         else if (0 == strcmp(p, "hppa"))
 288                 return(ARCH_hppa);
 289         else if (0 == strcmp(p, "hppa64"))
 290                 return(ARCH_hppa64);
 291         else if (0 == strcmp(p, "i386"))
 292                 return(ARCH_i386);
 293         else if (0 == strcmp(p, "landisk"))
 294                 return(ARCH_landisk);
 295         else if (0 == strcmp(p, "luna88k"))
 296                 return(ARCH_luna88k);
 297         else if (0 == strcmp(p, "mac68k"))
 298                 return(ARCH_mac68k);
 299         else if (0 == strcmp(p, "macppc"))
 300                 return(ARCH_macppc);
 301         else if (0 == strcmp(p, "mvme68k"))
 302                 return(ARCH_mvme68k);
 303         else if (0 == strcmp(p, "mvme88k"))
 304                 return(ARCH_mvme88k);
 305         else if (0 == strcmp(p, "mvmeppc"))
 306                 return(ARCH_mvmeppc);
 307         else if (0 == strcmp(p, "pmax"))
 308                 return(ARCH_pmax);
 309         else if (0 == strcmp(p, "sgi"))
 310                 return(ARCH_sgi);
 311         else if (0 == strcmp(p, "socppc"))
 312                 return(ARCH_socppc);
 313         else if (0 == strcmp(p, "sparc"))
 314                 return(ARCH_sparc);
 315         else if (0 == strcmp(p, "sparc64"))
 316                 return(ARCH_sparc64);
 317         else if (0 == strcmp(p, "sun3"))
 318                 return(ARCH_sun3);
 319         else if (0 == strcmp(p, "vax"))
 320                 return(ARCH_vax);
 321         else if (0 == strcmp(p, "zaurus"))
 322                 return(ARCH_zaurus);
 323
 324         return(ARCH_DEFAULT);
 325 }
 326
 327
 328 enum mdoc_att
 329 mdoc_atoatt(const char *p)
 330 {
 331
 332         assert(p);
 333         if (0 == strcmp(p, "v1"))
 334                 return(ATT_v1);
 335         else if (0 == strcmp(p, "v2"))
 336                 return(ATT_v2);
 337         else if (0 == strcmp(p, "v3"))
 338                 return(ATT_v3);
 339         else if (0 == strcmp(p, "v4"))
 340                 return(ATT_v4);
 341         else if (0 == strcmp(p, "v5"))
 342                 return(ATT_v5);
 343         else if (0 == strcmp(p, "v6"))
 344                 return(ATT_v6);
 345         else if (0 == strcmp(p, "v7"))
 346                 return(ATT_v7);
 347         else if (0 == strcmp(p, "32v"))
 348                 return(ATT_32v);
 349         else if (0 == strcmp(p, "V.1"))
 350                 return(ATT_V1);
 351         else if (0 == strcmp(p, "V.2"))
 352                 return(ATT_V2);
 353         else if (0 == strcmp(p, "V.3"))
 354                 return(ATT_V3);
 355         else if (0 == strcmp(p, "V.4"))
 356                 return(ATT_V4);
 357
 358         return(ATT_DEFAULT);
 359 }
 360
 361
 362 char *
 363 mdoc_type2a(enum mdoc_type type)
 364 {
 365         switch (type) {
 366         case (MDOC_ROOT):
 367                 return("root");
 368         case (MDOC_BLOCK):
 369                 return("block");
 370         case (MDOC_HEAD):
 371                 return("block-head");
 372         case (MDOC_BODY):
 373                 return("block-body");
 374         case (MDOC_TAIL):
 375                 return("block-tail");
 376         case (MDOC_ELEM):
 377                 return("elem");
 378         case (MDOC_TEXT):
 379                 return("text");
 380         default:
 381                 break;
 382         }
 383
 384         abort();
 385         /* NOTREACHED */
 386 }
 387
 388
 389 const char *
 390 mdoc_arch2a(enum mdoc_arch arch)
 391 {
 392
 393         switch (arch) {
 394         case (ARCH_alpha):
 395                 return("Alpha");
 396         case (ARCH_amd64):
 397                 return("AMD64");
 398         case (ARCH_amiga):
 399                 return("Amiga");
 400         case (ARCH_arc):
 401                 return("ARC");
 402         case (ARCH_arm):
 403                 return("ARM");
 404         case (ARCH_armish):
 405                 return("ARMISH");
 406         case (ARCH_aviion):
 407                 return("AViion");
 408         case (ARCH_hp300):
 409                 return("HP300");
 410         case (ARCH_hppa):
 411                 return("HPPA");
 412         case (ARCH_hppa64):
 413                 return("HPPA64");
 414         case (ARCH_i386):
 415                 return("i386");
 416         case (ARCH_landisk):
 417                 return("LANDISK");
 418         case (ARCH_luna88k):
 419                 return("Luna88k");
 420         case (ARCH_mac68k):
 421                 return("Mac68k");
 422         case (ARCH_macppc):
 423                 return("MacPPC");
 424         case (ARCH_mvme68k):
 425                 return("MVME68k");
 426         case (ARCH_mvme88k):
 427                 return("MVME88k");
 428         case (ARCH_mvmeppc):
 429                 return("MVMEPPC");
 430         case (ARCH_pmax):
 431                 return("PMAX");
 432         case (ARCH_sgi):
 433                 return("SGI");
 434         case (ARCH_socppc):
 435                 return("SOCPPC");
 436         case (ARCH_sparc):
 437                 return("SPARC");
 438         case (ARCH_sparc64):
 439                 return("SPARC64");
 440         case (ARCH_sun3):
 441                 return("Sun3");
 442         case (ARCH_vax):
 443                 return("VAX");
 444         case (ARCH_zaurus):
 445                 return("Zaurus");
 446         case (ARCH_DEFAULT):
 447                 return(NULL);
 448         default:
 449                 break;
 450         }
 451
 452         abort();
 453         /* NOTREACHED */
 454 }
 455
 456
 457 const char *
 458 mdoc_vol2a(enum mdoc_vol vol)
 459 {
 460
 461         switch (vol) {
 462         case (VOL_AMD):
 463                 return("OpenBSD Ancestral Manual Documents");
 464         case (VOL_IND):
 465                 return("OpenBSD Manual Master Index");
 466         case (VOL_KM):
 467                 return("OpenBSD Kernel Manual");
 468         case (VOL_LOCAL):
 469                 return("OpenBSD Local Manual");
 470         case (VOL_PRM):
 471                 return("OpenBSD Programmer's Manual");
 472         case (VOL_PS1):
 473                 return("OpenBSD Programmer's Supplementary Documents");
 474         case (VOL_SMM):
 475                 return("OpenBSD System Manager's Manual");
 476         case (VOL_URM):
 477                 return("OpenBSD Reference Manual");
 478         case (VOL_USD):
 479                 return("OpenBSD User's Supplementary Documents");
 480         case (VOL_DEFAULT):
 481                 return(NULL);
 482         default:
 483                 break;
 484         }
 485
 486         abort();
 487         /* NOTREACHED */
 488 }
 489
 490
 491 const char *
 492 mdoc_msec2a(enum mdoc_msec msec)
 493 {
 494
 495         switch (msec) {
 496         case(MSEC_1):
 497                 return("1");
 498         case(MSEC_2):
 499                 return("2");
 500         case(MSEC_3):
 501                 return("3");
 502         case(MSEC_3f):
 503                 return("3f");
 504         case(MSEC_3p):
 505                 return("3p");
 506         case(MSEC_4):
 507                 return("4");
 508         case(MSEC_5):
 509                 return("5");
 510         case(MSEC_6):
 511                 return("6");
 512         case(MSEC_7):
 513                 return("7");
 514         case(MSEC_8):
 515                 return("8");
 516         case(MSEC_9):
 517                 return("9");
 518         case(MSEC_X11):
 519                 return("X11");
 520         case(MSEC_X11R6):
 521                 return("X11R6");
 522         case(MSEC_local):
 523                 return("local");
 524         case(MSEC_n):
 525                 return("n");
 526         case(MSEC_unass):
 527                 /* FALLTHROUGH */
 528         case(MSEC_draft):
 529                 return("draft");
 530         case(MSEC_paper):
 531                 return("paper");
 532         case(MSEC_DEFAULT):
 533                 return(NULL);
 534         default:
 535                 break;
 536         }
 537
 538         abort();
 539         /* NOTREACHED */
 540 }
 541
 542
 543 const char *
 544 mdoc_st2a(int c)
 545 {
 546         char             *p;
 547
 548         switch (c) {
 549         case(MDOC_p1003_1_88):
 550                 p = "IEEE Std 1003.1-1988 (\\(lqPOSIX\\(rq)";
 551                 break;
 552         case(MDOC_p1003_1_90):
 553                 p = "IEEE Std 1003.1-1990 (\\(lqPOSIX\\(rq)";
 554                 break;
 555         case(MDOC_p1003_1_96):
 556                 p = "ISO/IEC 9945-1:1996 (\\(lqPOSIX\\(rq)";
 557                 break;
 558         case(MDOC_p1003_1_2001):
 559                 p = "IEEE Std 1003.1-2001 (\\(lqPOSIX\\(rq)";
 560                 break;
 561         case(MDOC_p1003_1_2004):
 562                 p = "IEEE Std 1003.1-2004 (\\(lqPOSIX\\(rq)";
 563                 break;
 564         case(MDOC_p1003_1):
 565                 p = "IEEE Std 1003.1 (\\(lqPOSIX\\(rq)";
 566                 break;
 567         case(MDOC_p1003_1b):
 568                 p = "IEEE Std 1003.1b (\\(lqPOSIX\\(rq)";
 569                 break;
 570         case(MDOC_p1003_1b_93):
 571                 p = "IEEE Std 1003.1b-1993 (\\(lqPOSIX\\(rq)";
 572                 break;
 573         case(MDOC_p1003_1c_95):
 574                 p = "IEEE Std 1003.1c-1995 (\\(lqPOSIX\\(rq)";
 575                 break;
 576         case(MDOC_p1003_1g_2000):
 577                 p = "IEEE Std 1003.1g-2000 (\\(lqPOSIX\\(rq)";
 578                 break;
 579         case(MDOC_p1003_2_92):
 580                 p = "IEEE Std 1003.2-1992 (\\(lqPOSIX.2\\(rq)";
 581                 break;
 582         case(MDOC_p1387_2_95):
 583                 p = "IEEE Std 1387.2-1995 (\\(lqPOSIX.7.2\\(rq)";
 584                 break;
 585         case(MDOC_p1003_2):
 586                 p = "IEEE Std 1003.2 (\\(lqPOSIX.2\\(rq)";
 587                 break;
 588         case(MDOC_p1387_2):
 589                 p = "IEEE Std 1387.2 (\\(lqPOSIX.7.2\\(rq)";
 590                 break;
 591         case(MDOC_isoC_90):
 592                 p = "ISO/IEC 9899:1990 (\\(lqISO C90\\(rq)";
 593                 break;
 594         case(MDOC_isoC_amd1):
 595                 p = "ISO/IEC 9899/AMD1:1995 (\\(lqISO C90\\(rq)";
 596                 break;
 597         case(MDOC_isoC_tcor1):
 598                 p = "ISO/IEC 9899/TCOR1:1994 (\\(lqISO C90\\(rq)";
 599                 break;
 600         case(MDOC_isoC_tcor2):
 601                 p = "ISO/IEC 9899/TCOR2:1995 (\\(lqISO C90\\(rq)";
 602                 break;
 603         case(MDOC_isoC_99):
 604                 p = "ISO/IEC 9899:1999 (\\(lqISO C99\\(rq)";
 605                 break;
 606         case(MDOC_ansiC):
 607                 p = "ANSI X3.159-1989 (\\(lqANSI C\\(rq)";
 608                 break;
 609         case(MDOC_ansiC_89):
 610                 p = "ANSI X3.159-1989 (\\(lqANSI C\\(rq)";
 611                 break;
 612         case(MDOC_ansiC_99):
 613                 p = "ANSI/ISO/IEC 9899-1999 (\\(lqANSI C99\\(rq)";
 614                 break;
 615         case(MDOC_ieee754):
 616                 p = "IEEE Std 754-1985";
 617                 break;
 618         case(MDOC_iso8802_3):
 619                 p = "ISO 8802-3: 1989";
 620                 break;
 621         case(MDOC_xpg3):
 622                 p = "X/Open Portability Guide Issue 3 "
 623                         "(\\(lqXPG3\\(rq)";
 624                 break;
 625         case(MDOC_xpg4):
 626                 p = "X/Open Portability Guide Issue 4 "
 627                         "(\\(lqXPG4\\(rq)";
 628                 break;
 629         case(MDOC_xpg4_2):
 630                 p = "X/Open Portability Guide Issue 4.2 "
 631                         "(\\(lqXPG4.2\\(rq)";
 632                 break;
 633         case(MDOC_xpg4_3):
 634                 p = "X/Open Portability Guide Issue 4.3 "
 635                         "(\\(lqXPG4.3\\(rq)";
 636                 break;
 637         case(MDOC_xbd5):
 638                 p = "X/Open System Interface Definitions Issue 5 "
 639                         "(\\(lqXBD5\\(rq)";
 640                 break;
 641         case(MDOC_xcu5):
 642                 p = "X/Open Commands and Utilities Issue 5 "
 643                         "(\\(lqXCU5\\(rq)";
 644                 break;
 645         case(MDOC_xsh5):
 646                 p = "X/Open System Interfaces and Headers Issue 5 "
 647                         "(\\(lqXSH5\\(rq)";
 648                 break;
 649         case(MDOC_xns5):
 650                 p = "X/Open Networking Services Issue 5 "
 651                         "(\\(lqXNS5\\(rq)";
 652                 break;
 653         case(MDOC_xns5_2d2_0):
 654                 p = "X/Open Networking Services Issue 5.2 Draft 2.0 "
 655                         "(\\(lqXNS5.2D2.0\\(rq)";
 656                 break;
 657         case(MDOC_xcurses4_2):
 658                 p = "X/Open Curses Issue 4 Version 2 "
 659                         "(\\(lqXCURSES4.2\\(rq)";
 660                 break;
 661         case(MDOC_susv2):
 662                 p = "Version 2 of the Single UNIX Specification";
 663                 break;
 664         case(MDOC_susv3):
 665                 p = "Version 3 of the Single UNIX Specification";
 666                 break;
 667         case(MDOC_svid4):
 668                 p = "System V Interface Definition, Fourth Edition "
 669                         "(\\(lqSVID4\\(rq)";
 670                 break;
 671         default:
 672                 p = NULL;
 673                 break;
 674         }
 675
 676         return(p);
 677 }
 678
 679
 680 const char *
 681 mdoc_att2a(enum mdoc_att c)
 682 {
 683         char            *p;
 684
 685         switch (c) {
 686         case(ATT_v1):
 687                 p = "Version 1 AT&T UNIX";
 688                 break;
 689         case(ATT_v2):
 690                 p = "Version 2 AT&T UNIX";
 691                 break;
 692         case(ATT_v3):
 693                 p = "Version 3 AT&T UNIX";
 694                 break;
 695         case(ATT_v4):
 696                 p = "Version 4 AT&T UNIX";
 697                 break;
 698         case(ATT_v5):
 699                 p = "Version 5 AT&T UNIX";
 700                 break;
 701         case(ATT_v6):
 702                 p = "Version 6 AT&T UNIX";
 703                 break;
 704         case(ATT_v7):
 705                 p = "Version 7 AT&T UNIX";
 706                 break;
 707         case(ATT_32v):
 708                 p = "Version 32V AT&T UNIX";
 709                 break;
 710         case(ATT_V1):
 711                 p = "AT&T System V.1 UNIX";
 712                 break;
 713         case(ATT_V2):
 714                 p = "AT&T System V.2 UNIX";
 715                 break;
 716         case(ATT_V3):
 717                 p = "AT&T System V.3 UNIX";
 718                 break;
 719         case(ATT_V4):
 720                 p = "AT&T System V.4 UNIX";
 721                 break;
 722         default:
 723                 p = "AT&T UNIX";
 724                 break;
 725         }
 726
 727         return(p);
 728 }