1 /* $NetBSD: rcsbase.h,v 1.2 2016/01/14 04:22:39 christos Exp $ */ 2 3 /* RCS common definitions and data structures */ 4 5 #define RCSBASE "Id: rcsbase.h,v 5.20 1995/06/16 06:19:24 eggert Exp " 6 7 /* Copyright 1982, 1988, 1989 Walter Tichy 8 Copyright 1990, 1991, 1992, 1993, 1994, 1995 Paul Eggert 9 Distributed under license by the Free Software Foundation, Inc. 10 11 This file is part of RCS. 12 13 RCS is free software; you can redistribute it and/or modify 14 it under the terms of the GNU General Public License as published by 15 the Free Software Foundation; either version 2, or (at your option) 16 any later version. 17 18 RCS is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 GNU General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with RCS; see the file COPYING. 25 If not, write to the Free Software Foundation, 26 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 27 28 Report problems and direct all questions to: 29 30 rcs-bugs (at) cs.purdue.edu 31 32 */ 33 34 /* 35 * Log: rcsbase.h,v 36 * Revision 5.20 1995/06/16 06:19:24 eggert 37 * Update FSF address. 38 * 39 * Revision 5.19 1995/06/01 16:23:43 eggert 40 * (SIZEABLE_PATH): Don't depend on PATH_MAX: it's not worth configuring. 41 * (Ioffset_type,BINARY_EXPAND,MIN_UNEXPAND,MIN_UNCHANGED_EXPAND): New macros. 42 * (maps_memory): New macro; replaces many instances of `has_mmap'. 43 * (cacheptr): Renamed from cachetell. 44 * (struct RILE): New alternate name for RILE; the type is now recursive. 45 * (deallocate): New member for RILE, used for generic buffer deallocation. 46 * (cacheunget_): No longer take a failure arg; just call Ierror on failure. 47 * (struct rcslock): Renamed from struct lock, to avoid collisions with 48 * system headers on some hosts. All users changed. 49 * (basefilename): Renamed from basename, likewise. 50 * (dirtpname): Remove; no longer external. 51 * (dirlen, dateform): Remove; no longer used. 52 * (cmpdate, fopenSafer, fdSafer, readAccessFilenameBuffer): New functions. 53 * (zonelenmax): Increase to 9 for full ISO 8601 format. 54 * (catchmmapints): Depend on has_NFS. 55 * 56 * Revision 5.18 1994/03/17 14:05:48 eggert 57 * Add primitives for reading backwards from a RILE; 58 * this is needed to go back and find the $Log prefix. 59 * Specify subprocess input via file descriptor, not file name. Remove lint. 60 * 61 * Revision 5.17 1993/11/09 17:40:15 eggert 62 * Move RCS-specific time handling into rcstime.c. 63 * printf_string now takes two arguments, alas. 64 * 65 * Revision 5.16 1993/11/03 17:42:27 eggert 66 * Don't arbitrarily limit the number of joins. Remove `nil'. 67 * Add Name keyword. Don't discard ignored phrases. 68 * Add support for merge -A vs -E, and allow up to three labels. 69 * Improve quality of diagnostics and prototypes. 70 * 71 * Revision 5.15 1992/07/28 16:12:44 eggert 72 * Statement macro names now end in _. 73 * 74 * Revision 5.14 1992/02/17 23:02:22 eggert 75 * Add -T support. Work around NFS mmap SIGBUS problem. 76 * 77 * Revision 5.13 1992/01/24 18:44:19 eggert 78 * Add support for bad_creat0. lint -> RCS_lint 79 * 80 * Revision 5.12 1992/01/06 02:42:34 eggert 81 * while (E) ; -> while (E) continue; 82 * 83 * Revision 5.11 1991/10/07 17:32:46 eggert 84 * Support piece tables even if !has_mmap. 85 * 86 * Revision 5.10 1991/09/24 00:28:39 eggert 87 * Remove unexported functions. 88 * 89 * Revision 5.9 1991/08/19 03:13:55 eggert 90 * Add piece tables and other tuneups, and NFS workarounds. 91 * 92 * Revision 5.8 1991/04/21 11:58:20 eggert 93 * Add -x, RCSINIT, MS-DOS support. 94 * 95 * Revision 5.7 1991/02/28 19:18:50 eggert 96 * Try setuid() if seteuid() doesn't work. 97 * 98 * Revision 5.6 1991/02/26 17:48:37 eggert 99 * Support new link behavior. Move ANSI C / Posix declarations into conf.sh. 100 * 101 * Revision 5.5 1990/12/04 05:18:43 eggert 102 * Use -I for prompts and -q for diagnostics. 103 * 104 * Revision 5.4 1990/11/01 05:03:35 eggert 105 * Don't assume that builtins are functions; they may be macros. 106 * Permit arbitrary data in logs. 107 * 108 * Revision 5.3 1990/09/26 23:36:58 eggert 109 * Port wait() to non-Posix ANSI C hosts. 110 * 111 * Revision 5.2 1990/09/04 08:02:20 eggert 112 * Don't redefine NAME_MAX, PATH_MAX. 113 * Improve incomplete line handling. Standardize yes-or-no procedure. 114 * 115 * Revision 5.1 1990/08/29 07:13:53 eggert 116 * Add -kkvl. Fix type typos exposed by porting. Clean old log messages too. 117 * 118 * Revision 5.0 1990/08/22 08:12:44 eggert 119 * Adjust ANSI C / Posix support. Add -k, -V, setuid. Don't call access(). 120 * Remove compile-time limits; use malloc instead. 121 * Ansify and Posixate. Add support for ISO 8859. 122 * Remove snoop and v2 support. 123 * 124 * Revision 4.9 89/05/01 15:17:14 narten 125 * botched previous USG fix 126 * 127 * Revision 4.8 89/05/01 14:53:05 narten 128 * changed #include <strings.h> -> string.h for USG systems. 129 * 130 * Revision 4.7 88/11/08 15:58:45 narten 131 * removed defs for functions loaded from libraries 132 * 133 * Revision 4.6 88/08/09 19:12:36 eggert 134 * Shrink stdio code size; remove lint; permit -Dhshsize=nn. 135 * 136 * Revision 4.5 87/12/18 17:06:41 narten 137 * made removed BSD ifdef, now uses V4_2BSD 138 * 139 * Revision 4.4 87/10/18 10:29:49 narten 140 * Updating version numbers 141 * Changes relative to 1.1 are actually relative to 4.2 142 * 143 * Revision 1.3 87/09/24 14:02:25 narten 144 * changes for lint 145 * 146 * Revision 1.2 87/03/27 14:22:02 jenkins 147 * Port to suns 148 * 149 * Revision 4.2 83/12/20 16:04:20 wft 150 * merged 3.6.1.1 and 4.1 (SMALLOG, logsize). 151 * moved setting of STRICT_LOCKING to Makefile. 152 * changed DOLLAR to UNKN (conflict with KDELIM). 153 * 154 * Revision 4.1 83/05/04 09:12:41 wft 155 * Added markers Id and RCSfile. 156 * Added Dbranch for default branches. 157 * 158 * Revision 3.6.1.1 83/12/02 21:56:22 wft 159 * Increased logsize, added macro SMALLOG. 160 * 161 * Revision 3.6 83/01/15 16:43:28 wft 162 * 4.2 prerelease 163 * 164 * Revision 3.6 83/01/15 16:43:28 wft 165 * Replaced dbm.h with BYTESIZ, fixed definition of rindex(). 166 * Added variants of NCPFN and NCPPN for bsd 4.2, selected by defining V4_2BSD. 167 * Added macro DELNUMFORM to have uniform format for printing delta text nodes. 168 * Added macro DELETE to mark deleted deltas. 169 * 170 * Revision 3.5 82/12/10 12:16:56 wft 171 * Added two forms of DATEFORM, one using %02d, the other %.2d. 172 * 173 * Revision 3.4 82/12/04 20:01:25 wft 174 * added LOCKER, Locker, and USG (redefinition of rindex). 175 * 176 * Revision 3.3 82/12/03 12:22:04 wft 177 * Added dbm.h, stdio.h, RCSBASE, RCSSEP, RCSSUF, WORKMODE, TMPFILE3, 178 * PRINTDATE, PRINTTIME, map, and ctab; removed Suffix. Redefined keyvallength 179 * using NCPPN. Changed putc() to abort on write error. 180 * 181 * Revision 3.2 82/10/18 15:03:52 wft 182 * added macro STRICT_LOCKING, removed RCSUMASK. 183 * renamed JOINFILE[1,2] to JOINFIL[1,2]. 184 * 185 * Revision 3.1 82/10/11 19:41:17 wft 186 * removed NBPW, NBPC, NCPW. 187 * added typdef int void to aid compiling 188 */ 189 190 191 #include "conf.h" 192 193 194 #define EXIT_TROUBLE DIFF_TROUBLE 195 196 #ifdef _POSIX_PATH_MAX 197 # define SIZEABLE_PATH _POSIX_PATH_MAX 198 #else 199 # define SIZEABLE_PATH 255 /* size of a large path; not a hard limit */ 200 #endif 201 202 /* for traditional C hosts with unusual size arguments */ 203 #define Fread(p,s,n,f) fread(p, (freadarg_type)(s), (freadarg_type)(n), f) 204 #define Fwrite(p,s,n,f) fwrite(p, (freadarg_type)(s), (freadarg_type)(n), f) 205 206 207 /* 208 * Parameters 209 */ 210 211 /* backwards compatibility with old versions of RCS */ 212 #define VERSION_min 3 /* old output RCS format supported */ 213 #define VERSION_max 5 /* newest output RCS format supported */ 214 #ifndef VERSION_DEFAULT /* default RCS output format */ 215 # define VERSION_DEFAULT VERSION_max 216 #endif 217 #define VERSION(n) ((n) - VERSION_DEFAULT) /* internally, 0 is the default */ 218 219 #ifndef STRICT_LOCKING 220 #define STRICT_LOCKING 1 221 #endif 222 /* 0 sets the default locking to non-strict; */ 223 /* used in experimental environments. */ 224 /* 1 sets the default locking to strict; */ 225 /* used in production environments. */ 226 227 #define yearlength 16 /* (good through AD 9,999,999,999,999,999) */ 228 #define datesize (yearlength+16) /* size of output of time2date */ 229 #define RCSTMPPREFIX '_' /* prefix for temp files in working dir */ 230 #define KDELIM '$' /* delimiter for keywords */ 231 #define VDELIM ':' /* separates keywords from values */ 232 #define DEFAULTSTATE "Exp" /* default state of revisions */ 233 234 235 236 #define true 1 237 #define false 0 238 239 240 /* 241 * RILE - readonly file 242 * declarecache; - declares local cache for RILE variable(s) 243 * setupcache - sets up the local RILE cache, but does not initialize it 244 * cache, uncache - caches and uncaches the local RILE; 245 * (uncache,cache) is needed around functions that advance the RILE pointer 246 * Igeteof_(f,c,s) - get a char c from f, executing statement s at EOF 247 * cachegeteof_(c,s) - Igeteof_ applied to the local RILE 248 * Iget_(f,c) - like Igeteof_, except EOF is an error 249 * cacheget_(c) - Iget_ applied to the local RILE 250 * cacheunget_(f,c,s) - read c backwards from cached f, executing s at BOF 251 * Ifileno, Ioffset_type, Irewind, Itell - analogs to stdio routines 252 * 253 * By conventions, macros whose names end in _ are statements, not expressions. 254 * Following such macros with `; else' results in a syntax error. 255 */ 256 257 #define maps_memory (has_map_fd || has_mmap) 258 259 #if large_memory 260 typedef unsigned char const *Iptr_type; 261 typedef struct RILE { 262 Iptr_type ptr, lim; 263 unsigned char *base; /* not Iptr_type for lint's sake */ 264 unsigned char *readlim; 265 int fd; 266 # if maps_memory 267 void (*deallocate) P((struct RILE *)); 268 # else 269 FILE *stream; 270 # endif 271 } RILE; 272 # if maps_memory 273 # define declarecache register Iptr_type ptr, lim 274 # define setupcache(f) (lim = (f)->lim) 275 # define Igeteof_(f,c,s) { if ((f)->ptr==(f)->lim) s else (c)= *(f)->ptr++; } 276 # define cachegeteof_(c,s) { if (ptr==lim) s else (c)= *ptr++; } 277 # else 278 int Igetmore P((RILE*)); 279 # define declarecache register Iptr_type ptr; register RILE *rRILE 280 # define setupcache(f) (rRILE = (f)) 281 # define Igeteof_(f,c,s) { if ((f)->ptr==(f)->readlim && !Igetmore(f)) s else (c)= *(f)->ptr++; } 282 # define cachegeteof_(c,s) { if (ptr==rRILE->readlim && !Igetmore(rRILE)) s else (c)= *ptr++; } 283 # endif 284 # define uncache(f) ((f)->ptr = ptr) 285 # define cache(f) (ptr = (f)->ptr) 286 # define Iget_(f,c) Igeteof_(f,c,Ieof();) 287 # define cacheget_(c) cachegeteof_(c,Ieof();) 288 # define cacheunget_(f,c) (c)=(--ptr)[-1]; 289 # define Ioffset_type size_t 290 # define Itell(f) ((f)->ptr - (f)->base) 291 # define Irewind(f) ((f)->ptr = (f)->base) 292 # define cacheptr() ptr 293 # define Ifileno(f) ((f)->fd) 294 #else 295 # define RILE FILE 296 # define declarecache register FILE *ptr 297 # define setupcache(f) (ptr = (f)) 298 # define uncache(f) 299 # define cache(f) 300 # define Igeteof_(f,c,s) {if(((c)=getc(f))==EOF){testIerror(f);if(feof(f))s}} 301 # define cachegeteof_(c,s) Igeteof_(ptr,c,s) 302 # define Iget_(f,c) { if (((c)=getc(f))==EOF) testIeof(f); } 303 # define cacheget_(c) Iget_(ptr,c) 304 # define cacheunget_(f,c) if(fseek(ptr,-2L,SEEK_CUR))Ierror();else cacheget_(c) 305 # define Ioffset_type long 306 # define Itell(f) ftell(f) 307 # define Ifileno(f) fileno(f) 308 #endif 309 310 /* Print a char, but abort on write error. */ 311 #define aputc_(c,o) { if (putc(c,o)==EOF) testOerror(o); } 312 313 /* Get a character from an RCS file, perhaps copying to a new RCS file. */ 314 #define GETCeof_(o,c,s) { cachegeteof_(c,s) if (o) aputc_(c,o) } 315 #define GETC_(o,c) { cacheget_(c) if (o) aputc_(c,o) } 316 317 318 #define WORKMODE(RCSmode, writable) (((RCSmode)&(mode_t)~(S_IWUSR|S_IWGRP|S_IWOTH)) | ((writable)?S_IWUSR:0)) 319 /* computes mode of working file: same as RCSmode, but write permission */ 320 /* determined by writable */ 321 322 323 /* character classes and token codes */ 324 enum tokens { 325 /* classes */ DELIM, DIGIT, IDCHAR, NEWLN, LETTER, Letter, 326 PERIOD, SBEGIN, SPACE, UNKN, 327 /* tokens */ COLON, ID, NUM, SEMI, STRING 328 }; 329 330 #define SDELIM '@' /* the actual character is needed for string handling*/ 331 /* SDELIM must be consistent with ctab[], so that ctab[SDELIM]==SBEGIN. 332 * there should be no overlap among SDELIM, KDELIM, and VDELIM 333 */ 334 335 #define isdigit(c) (((unsigned)(c)-'0') <= 9) /* faster than ctab[c]==DIGIT */ 336 337 338 339 340 341 /*************************************** 342 * Data structures for the symbol table 343 ***************************************/ 344 345 /* Buffer of arbitrary data */ 346 struct buf { 347 char *string; 348 size_t size; 349 }; 350 struct cbuf { 351 char const *string; 352 size_t size; 353 }; 354 355 /* Hash table entry */ 356 struct hshentry { 357 char const * num; /* pointer to revision number (ASCIZ) */ 358 char const * date; /* pointer to date of checkin */ 359 char const * author; /* login of person checking in */ 360 char const * lockedby; /* who locks the revision */ 361 char const * state; /* state of revision (Exp by default) */ 362 char const * name; /* name (if any) by which retrieved */ 363 char const * commitid; /* unique commit identifier */ 364 struct cbuf log; /* log message requested at checkin */ 365 struct branchhead * branches; /* list of first revisions on branches*/ 366 struct cbuf ig; /* ignored phrases in admin part */ 367 struct cbuf igtext; /* ignored phrases in deltatext part */ 368 struct hshentry * next; /* next revision on same branch */ 369 struct hshentry * nexthsh; /* next revision with same hash value */ 370 long insertlns;/* lines inserted (computed by rlog) */ 371 long deletelns;/* lines deleted (computed by rlog) */ 372 char selector; /* true if selected, false if deleted */ 373 }; 374 375 /* list of hash entries */ 376 struct hshentries { 377 struct hshentries *rest; 378 struct hshentry *first; 379 }; 380 381 /* list element for branch lists */ 382 struct branchhead { 383 struct hshentry * hsh; 384 struct branchhead * nextbranch; 385 }; 386 387 /* accesslist element */ 388 struct access { 389 char const * login; 390 struct access * nextaccess; 391 }; 392 393 /* list element for locks */ 394 struct rcslock { 395 char const * login; 396 struct hshentry * delta; 397 struct rcslock * nextlock; 398 }; 399 400 /* list element for symbolic names */ 401 struct assoc { 402 char const * symbol; 403 char const * num; 404 struct assoc * nextassoc; 405 }; 406 407 408 #define mainArgs (argc,argv) int argc; char **argv; 409 410 #if RCS_lint 411 # define libId(name,rcsid) 412 # define mainProg(name,cmd,rcsid) int name mainArgs 413 #else 414 # define libId(name,rcsid) char const name[] = rcsid; 415 # define mainProg(n,c,i) char const Copyright[] = "Copyright 1982,1988,1989 Walter F. Tichy, Purdue CS\nCopyright 1990,1991,1992,1993,1994,1995 Paul Eggert", baseid[] = RCSBASE, cmdid[] = c; libId(n,i) int main P((int,char**)); int main mainArgs 416 #endif 417 418 /* 419 * Markers for keyword expansion (used in co and ident) 420 * Every byte must have class LETTER or Letter. 421 */ 422 #define AUTHOR "Author" 423 #define DATE "Date" 424 #define HEADER "Header" 425 #define IDH "Id" 426 #define LOCKER "Locker" 427 #define LOG "Log" 428 #define NAME "Name" 429 #define RCSFILE "RCSfile" 430 #define REVISION "Revision" 431 #define SOURCE "Source" 432 #define STATE "State" 433 #define keylength 32 /* max length of any of the above keywords */ 434 435 enum markers { Nomatch, Author, Date, Header, Id, 436 #ifdef LOCALID 437 LocalId, 438 #endif 439 Locker, Log, Name, RCSfile, Revision, Source, State }; 440 /* This must be in the same order as rcskeys.c's Keyword[] array. */ 441 442 #define DELNUMFORM "\n\n%s\n%s\n" 443 /* used by putdtext and scanlogtext */ 444 445 #define EMPTYLOG "*** empty log message ***" /* used by ci and rlog */ 446 447 /* main program */ 448 extern char const cmdid[]; 449 void exiterr P((void)) exiting; 450 451 /* merge */ 452 int merge P((int,char const*,char const*const[3],char const*const[3])); 453 454 /* rcsedit */ 455 #define ciklogsize 23 /* sizeof("checked in with -k by ") */ 456 extern FILE *fcopy; 457 extern char const *resultname; 458 extern char const ciklog[ciklogsize]; 459 extern int locker_expansion; 460 RILE *rcswriteopen P((struct buf*,struct stat*,int)); 461 char const *makedirtemp P((int)); 462 char const *getcaller P((void)); 463 int addlock P((struct hshentry*,int)); 464 int addsymbol P((char const*,char const*,int)); 465 int checkaccesslist P((void)); 466 int chnamemod P((FILE**,char const*,char const*,int,mode_t,time_t)); 467 int donerewrite P((int,time_t)); 468 int dorewrite P((int,int)); 469 int expandline P((RILE*,FILE*,struct hshentry const*,int,FILE*,int)); 470 int findlock P((int,struct hshentry**)); 471 int setmtime P((char const*,time_t)); 472 void ORCSclose P((void)); 473 void ORCSerror P((void)); 474 void copystring P((void)); 475 void dirtempunlink P((void)); 476 void enterstring P((void)); 477 void finishedit P((struct hshentry const*,FILE*,int)); 478 void keepdirtemp P((char const*)); 479 void openfcopy P((FILE*)); 480 void snapshotedit P((FILE*)); 481 void xpandstring P((struct hshentry const*)); 482 #if has_NFS || bad_unlink 483 int un_link P((char const*)); 484 #else 485 # define un_link(s) unlink(s) 486 #endif 487 #if large_memory 488 void edit_string P((void)); 489 # define editstring(delta) edit_string() 490 #else 491 void editstring P((struct hshentry const*)); 492 #endif 493 494 /* rcsfcmp */ 495 int rcsfcmp P((RILE*,struct stat const*,char const*,struct hshentry const*)); 496 497 /* rcsfnms */ 498 #define bufautobegin(b) clear_buf(b) 499 #define clear_buf(b) (VOID ((b)->string = 0, (b)->size = 0)) 500 extern FILE *workstdout; 501 extern char *workname; 502 extern char const *RCSname; 503 extern char const *suffixes; 504 extern int fdlock; 505 extern struct stat RCSstat; 506 RILE *rcsreadopen P((struct buf*,struct stat*,int)); 507 char *bufenlarge P((struct buf*,char const**)); 508 char const *basefilename P((char const*)); 509 char const *getfullRCSname P((void)); 510 char const *maketemp P((int)); 511 char const *rcssuffix P((char const*)); 512 int pairnames P((int,char**,RILE*(*)P((struct buf*,struct stat*,int)),int,int)); 513 struct cbuf bufremember P((struct buf*,size_t)); 514 void bufalloc P((struct buf*,size_t)); 515 void bufautoend P((struct buf*)); 516 void bufrealloc P((struct buf*,size_t)); 517 void bufscat P((struct buf*,char const*)); 518 void bufscpy P((struct buf*,char const*)); 519 void tempunlink P((void)); 520 521 /* rcsgen */ 522 extern int interactiveflag; 523 extern struct buf curlogbuf; 524 char const *buildrevision P((struct hshentries const*,struct hshentry*,FILE*,int)); 525 int getcstdin P((void)); 526 int putdtext P((struct hshentry const*,char const*,FILE*,int)); 527 int ttystdin P((void)); 528 int yesorno P((int,char const*,...)) printf_string(2,3); 529 struct cbuf cleanlogmsg P((char*,size_t)); 530 struct cbuf getsstdin P((char const*,char const*,char const*,struct buf*)); 531 void putdesc P((int,char*)); 532 void putdftext P((struct hshentry const*,RILE*,FILE*,int)); 533 534 /* rcskeep */ 535 extern int prevkeys; 536 extern struct buf prevauthor, prevdate, prevname, prevrev, prevstate; 537 int getoldkeys P((RILE*)); 538 539 /* rcskeys */ 540 extern char const *const Keyword[]; 541 enum markers trymatch P((char const*)); 542 543 /* rcslex */ 544 extern FILE *foutptr; 545 extern FILE *frewrite; 546 extern RILE *finptr; 547 extern char const *NextString; 548 extern enum tokens nexttok; 549 extern int hshenter; 550 extern int nerror; 551 extern int nextc; 552 extern int quietflag; 553 extern long rcsline; 554 char const *getid P((void)); 555 void efaterror P((char const*)) exiting; 556 void enfaterror P((int,char const*)) exiting; 557 void fatcleanup P((int)) exiting; 558 void faterror P((char const*,...)) printf_string_exiting(1,2); 559 void fatserror P((char const*,...)) printf_string_exiting(1,2); 560 void rcsfaterror P((char const*,...)) printf_string_exiting(1,2); 561 void Ieof P((void)) exiting; 562 void Ierror P((void)) exiting; 563 void Oerror P((void)) exiting; 564 char *checkid P((char*,int)); 565 char *checksym P((char*,int)); 566 int eoflex P((void)); 567 int getkeyopt P((char const*)); 568 int getlex P((enum tokens)); 569 struct cbuf getphrases P((char const*)); 570 struct cbuf savestring P((struct buf*)); 571 struct hshentry *getnum P((void)); 572 void Ifclose P((RILE*)); 573 void Izclose P((RILE**)); 574 void Lexinit P((void)); 575 void Ofclose P((FILE*)); 576 void Orewind P((FILE*)); 577 void Ozclose P((FILE**)); 578 void aflush P((FILE*)); 579 void afputc P((int,FILE*)); 580 void aprintf P((FILE*,char const*,...)) printf_string(2,3); 581 void aputs P((char const*,FILE*)); 582 void checksid P((char*)); 583 void checkssym P((char*)); 584 void diagnose P((char const*,...)) printf_string(1,2); 585 void eerror P((char const*)); 586 void eflush P((void)); 587 void enerror P((int,char const*)); 588 void error P((char const*,...)) printf_string(1,2); 589 void fvfprintf P((FILE*,char const*,va_list)); 590 void getkey P((char const*)); 591 void getkeystring P((char const*)); 592 void nextlex P((void)); 593 void oflush P((void)); 594 void printstring P((void)); 595 void readstring P((void)); 596 void redefined P((int)); 597 void rcserror P((char const*,...)) printf_string(1,2); 598 void rcswarn P((char const*,...)) printf_string(1,2); 599 void testIerror P((FILE*)); 600 void testOerror P((FILE*)); 601 void warn P((char const*,...)) printf_string(1,2); 602 void warnignore P((void)); 603 void workerror P((char const*,...)) printf_string(1,2); 604 void workwarn P((char const*,...)) printf_string(1,2); 605 #if has_madvise && has_mmap && large_memory 606 void advise_access P((RILE*,int)); 607 # define if_advise_access(p,f,advice) if (p) advise_access(f,advice) 608 #else 609 # define advise_access(f,advice) 610 # define if_advise_access(p,f,advice) 611 #endif 612 #if large_memory && maps_memory 613 RILE *I_open P((char const*,struct stat*)); 614 # define Iopen(f,m,s) I_open(f,s) 615 #else 616 RILE *Iopen P((char const*,char const*,struct stat*)); 617 #endif 618 #if !large_memory 619 void testIeof P((FILE*)); 620 void Irewind P((RILE*)); 621 #endif 622 623 /* rcsmap */ 624 extern enum tokens const ctab[]; 625 626 /* rcsrev */ 627 char *partialno P((struct buf*,char const*,int)); 628 char const *namedrev P((char const*,struct hshentry*)); 629 char const *tiprev P((void)); 630 int cmpdate P((char const*,char const*)); 631 int cmpnum P((char const*,char const*)); 632 int cmpnumfld P((char const*,char const*,int)); 633 int compartial P((char const*,char const*,int)); 634 int expandsym P((char const*,struct buf*)); 635 int fexpandsym P((char const*,struct buf*,RILE*)); 636 struct hshentry *genrevs P((char const*,char const*,char const*,char const*,struct hshentries**)); 637 int countnumflds P((char const*)); 638 void getbranchno P((char const*,struct buf*)); 639 640 /* rcssyn */ 641 /* These expand modes must agree with Expand_names[] in rcssyn.c. */ 642 #define KEYVAL_EXPAND 0 /* -kkv `$Keyword: value $' */ 643 #define KEYVALLOCK_EXPAND 1 /* -kkvl `$Keyword: value locker $' */ 644 #define KEY_EXPAND 2 /* -kk `$Keyword$' */ 645 #define VAL_EXPAND 3 /* -kv `value' */ 646 #define OLD_EXPAND 4 /* -ko use old string, omitting expansion */ 647 #define BINARY_EXPAND 5 /* -kb like -ko, but use binary mode I/O */ 648 #define MIN_UNEXPAND OLD_EXPAND /* min value for no logical expansion */ 649 #define MIN_UNCHANGED_EXPAND (OPEN_O_BINARY ? BINARY_EXPAND : OLD_EXPAND) 650 /* min value guaranteed to yield an identical file */ 651 struct diffcmd { 652 long 653 line1, /* number of first line */ 654 nlines, /* number of lines affected */ 655 adprev, /* previous 'a' line1+1 or 'd' line1 */ 656 dafter; /* sum of previous 'd' line1 and previous 'd' nlines */ 657 }; 658 extern char const * Dbranch; 659 extern struct access * AccessList; 660 extern struct assoc * Symbols; 661 extern struct cbuf Comment; 662 extern struct cbuf Ignored; 663 extern struct rcslock *Locks; 664 extern struct hshentry * Head; 665 extern int Expand; 666 extern int StrictLocks; 667 extern int TotalDeltas; 668 extern char const *const expand_names[]; 669 extern char const 670 Kaccess[], Kauthor[], Kbranch[], Kcomment[], 671 Kdate[], Kdesc[], Kexpand[], Khead[], Klocks[], Klog[], 672 Knext[], Kstate[], Kstrict[], Ksymbols[], Ktext[]; 673 void unexpected_EOF P((void)) exiting; 674 int getdiffcmd P((RILE*,int,FILE*,struct diffcmd*)); 675 int str2expmode P((char const*)); 676 void getadmin P((void)); 677 void getdesc P((int)); 678 void gettree P((void)); 679 void ignorephrases P((char const*)); 680 void initdiffcmd P((struct diffcmd*)); 681 void putadmin P((void)); 682 void putstring P((FILE*,int,struct cbuf,int)); 683 void puttree P((struct hshentry const*,FILE*)); 684 685 /* rcstime */ 686 #define zonelenmax 9 /* maxiumum length of time zone string, e.g. "+12:34:56" */ 687 char const *date2str P((char const[datesize],char[datesize + zonelenmax])); 688 time_t date2time P((char const[datesize])); 689 void str2date P((char const*,char[datesize])); 690 void time2date P((time_t,char[datesize])); 691 void zone_set P((char const*)); 692 693 /* rcsutil */ 694 extern int RCSversion; 695 FILE *fopenSafer P((char const*,char const*)); 696 char *cgetenv P((char const*)); 697 char *fstr_save P((char const*)); 698 char *str_save P((char const*)); 699 char const *getusername P((int)); 700 int fdSafer P((int)); 701 int getRCSINIT P((int,char**,char***)); 702 int run P((int,char const*,...)); 703 int runv P((int,char const*,char const**)); 704 malloc_type fremember P((malloc_type)); 705 malloc_type ftestalloc P((size_t)); 706 malloc_type testalloc P((size_t)); 707 malloc_type testrealloc P((malloc_type,size_t)); 708 #define ftalloc(T) ftnalloc(T,1) 709 #define talloc(T) tnalloc(T,1) 710 #if RCS_lint 711 extern malloc_type lintalloc; 712 # define ftnalloc(T,n) (lintalloc = ftestalloc(sizeof(T)*(n)), (T*)0) 713 # define tnalloc(T,n) (lintalloc = testalloc(sizeof(T)*(n)), (T*)0) 714 # define trealloc(T,p,n) (lintalloc = testrealloc((malloc_type)0, sizeof(T)*(n)), p) 715 # define tfree(p) 716 #else 717 # define ftnalloc(T,n) ((T*) ftestalloc(sizeof(T)*(n))) 718 # define tnalloc(T,n) ((T*) testalloc(sizeof(T)*(n))) 719 # define trealloc(T,p,n) ((T*) testrealloc((malloc_type)(p), sizeof(T)*(n))) 720 # define tfree(p) free((malloc_type)(p)) 721 #endif 722 time_t now P((void)); 723 void awrite P((char const*,size_t,FILE*)); 724 void fastcopy P((RILE*,FILE*)); 725 void ffree P((void)); 726 void ffree1 P((char const*)); 727 void setRCSversion P((char const*)); 728 #if has_signal 729 void catchints P((void)); 730 void ignoreints P((void)); 731 void restoreints P((void)); 732 #else 733 # define catchints() 734 # define ignoreints() 735 # define restoreints() 736 #endif 737 #if has_mmap && large_memory 738 # if has_NFS && mmap_signal 739 void catchmmapints P((void)); 740 void readAccessFilenameBuffer P((char const*,unsigned char const*)); 741 # else 742 # define catchmmapints() 743 # endif 744 #endif 745 #if has_getuid 746 uid_t ruid P((void)); 747 # define myself(u) ((u) == ruid()) 748 #else 749 # define myself(u) true 750 #endif 751 #if has_setuid 752 uid_t euid P((void)); 753 void nosetid P((void)); 754 void seteid P((void)); 755 void setrid P((void)); 756 #else 757 # define nosetid() 758 # define seteid() 759 # define setrid() 760 #endif 761 762 /* version */ 763 extern char const RCS_version_string[]; 764
Indexes created Sun Jun 14 00:25:39 UTC 2026