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- /* rcsclean - clean up working files */
-
- /* Copyright 1991, 1992 by Paul Eggert
- Distributed under license by the Free Software Foundation, Inc.
-
- This file is part of RCS.
-
- RCS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- RCS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with RCS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Report problems and direct all questions to:
-
- rcs-bugs@cs.purdue.edu
-
- */
-
- #include "rcsbase.h"
-
- #if has_dirent
- static int get_directory P((char const*,char***));
- #endif
-
- static int unlock P((struct hshentry *));
- static void cleanup P((void));
-
- static RILE *workptr;
- static int exitstatus;
-
- mainProg(rcscleanId, "rcsclean", "$Id: rcsclean.c,v 5.3 1992/02/17 23:02:22 eggert Exp $")
- {
- static char const usage[] =
- "\nrcsclean: usage: rcsclean [-ksubst] [-{nqru}[rev]] [-Vn] [-xsuffixes] [file ...]";
-
- static struct buf revision;
-
- char *a, **newargv;
- char const *rev, *p;
- int changelock, expmode, perform, unlocked, unlockflag, waslocked;
- int Ttimeflag;
- struct hshentries *deltas;
- struct hshentry *delta;
- struct stat workstat;
-
- setrid();
-
- expmode = -1;
- rev = nil;
- suffixes = X_DEFAULT;
- perform = true;
- unlockflag = false;
- Ttimeflag = false;
-
- argc = getRCSINIT(argc, argv, &newargv);
- argv = newargv;
- for (;;) {
- if (--argc <= 0) {
- # if has_dirent
- argc = get_directory(".", &newargv);
- argv = newargv;
- break;
- # else
- faterror("no file names specified");
- # endif
- }
- a = *++argv;
- if (*a++ != '-')
- break;
- switch (*a++) {
- case 'k':
- if (0 <= expmode)
- redefined('k');
- if ((expmode = str2expmode(a)) < 0)
- goto unknown;
- break;
-
- case 'n':
- perform = false;
- goto handle_revision;
-
- case 'q':
- quietflag = true;
- /* fall into */
- case 'r':
- handle_revision:
- if (*a) {
- if (rev)
- warn("redefinition of revision number");
- rev = a;
- }
- break;
-
- case 'T':
- if (*a)
- goto unknown;
- Ttimeflag = true;
- break;
-
- case 'u':
- unlockflag = true;
- goto handle_revision;
-
- case 'V':
- setRCSversion(*argv);
- break;
-
- case 'x':
- suffixes = a;
- break;
-
- default:
- unknown:
- faterror("unknown option: %s%s", *argv, usage);
- }
- }
-
- do {
- ffree();
-
- if (!(
- 0 < pairfilenames(
- argc, argv,
- unlockflag&perform ? rcswriteopen : rcsreadopen,
- true, true
- ) &&
- (workptr = Iopen(workfilename,FOPEN_R_WORK,&workstat))
- ))
- continue;
-
- gettree();
-
- p = 0;
- if (rev) {
- if (!fexpandsym(rev, &revision, workptr))
- continue;
- p = revision.string;
- } else if (Head)
- switch (unlockflag ? findlock(false,&delta) : 0) {
- default:
- continue;
- case 0:
- p = Dbranch ? Dbranch : "";
- break;
- case 1:
- p = delta->num;
- break;
- }
- delta = 0;
- deltas = 0; /* Keep lint happy. */
- if (p && !(delta = genrevs(p,(char*)0,(char*)0,(char*)0,&deltas)))
- continue;
-
- waslocked = delta && delta->lockedby;
- locker_expansion = unlock(delta);
- unlocked = locker_expansion & unlockflag;
- changelock = unlocked & perform;
- if (unlocked<waslocked && workstat.st_mode&(S_IWUSR|S_IWGRP|S_IWOTH))
- continue;
-
- if (dorewrite(unlockflag, changelock) != 0)
- continue;
-
- if (0 <= expmode)
- Expand = expmode;
- else if (
- waslocked &&
- Expand == KEYVAL_EXPAND &&
- WORKMODE(RCSstat.st_mode,true) == workstat.st_mode
- )
- Expand = KEYVALLOCK_EXPAND;
-
- getdesc(false);
-
- if (
- !delta ? workstat.st_size!=0 :
- 0 < rcsfcmp(
- workptr, &workstat,
- buildrevision(deltas, delta, (FILE*)0, false),
- delta
- )
- )
- continue;
-
- if (quietflag < unlocked)
- aprintf(stdout, "rcs -u%s %s\n", delta->num, RCSfilename);
-
- if_advise_access(changelock && deltas->first != delta,
- finptr, MADV_SEQUENTIAL
- );
- if (donerewrite(changelock, Ttimeflag) != 0)
- continue;
-
- if (!quietflag)
- aprintf(stdout, "rm -f %s\n", workfilename);
- Izclose(&workptr);
- if (perform && un_link(workfilename) != 0)
- eerror(workfilename);
-
- } while (cleanup(), ++argv, 0 < --argc);
-
- tempunlink();
- if (!quietflag)
- Ofclose(stdout);
- exitmain(exitstatus);
- }
-
- static void
- cleanup()
- {
- if (nerror) exitstatus = EXIT_FAILURE;
- Izclose(&finptr);
- Izclose(&workptr);
- Ozclose(&fcopy);
- ORCSclose();
- dirtempunlink();
- }
-
- #if RCS_lint
- # define exiterr rcscleanExit
- #endif
- exiting void
- exiterr()
- {
- dirtempunlink();
- tempunlink();
- _exit(EXIT_FAILURE);
- }
-
- static int
- unlock(delta)
- struct hshentry *delta;
- {
- register struct lock **al, *l;
-
- if (delta && delta->lockedby && strcmp(getcaller(),delta->lockedby)==0)
- for (al = &Locks; (l = *al); al = &l->nextlock)
- if (l->delta == delta) {
- *al = l->nextlock;
- delta->lockedby = 0;
- return true;
- }
- return false;
- }
-
- #if has_dirent
- static int
- get_directory(dirname, aargv)
- char const *dirname;
- char ***aargv;
- /*
- * Put a vector of all DIRNAME's directory entries names into *AARGV.
- * Ignore names of RCS files.
- * Yield the number of entries found. Terminate the vector with 0.
- * Allocate the storage for the vector and entry names.
- * Do not sort the names. Do not include '.' and '..'.
- */
- {
- int i, entries = 0, entries_max = 64;
- size_t chars = 0, chars_max = 1024;
- size_t *offset = tnalloc(size_t, entries_max);
- char *a = tnalloc(char, chars_max), **p;
- DIR *d;
- struct dirent *e;
-
- if (!(d = opendir(dirname)))
- efaterror(dirname);
- while ((errno = 0, e = readdir(d))) {
- char const *en = e->d_name;
- size_t s = strlen(en) + 1;
- if (en[0]=='.' && (!en[1] || en[1]=='.' && !en[2]))
- continue;
- if (rcssuffix(en))
- continue;
- while (chars_max < s + chars)
- a = trealloc(char, a, chars_max<<=1);
- if (entries == entries_max)
- offset = trealloc(size_t, offset, entries_max<<=1);
- offset[entries++] = chars;
- VOID strcpy(a+chars, en);
- chars += s;
- }
- if (errno || closedir(d) != 0)
- efaterror(dirname);
- if (chars)
- a = trealloc(char, a, chars);
- else
- tfree(a);
- *aargv = p = tnalloc(char*, entries+1);
- for (i=0; i<entries; i++)
- *p++ = a + offset[i];
- *p = 0;
- tfree(offset);
- return entries;
- }
- #endif
-