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- /*
- * Copyright (c) 1992, Brian Berliner and Jeff Polk
- * Copyright (c) 1989-1992, Brian Berliner
- *
- * You may distribute under the terms of the GNU General Public License as
- * specified in the README file that comes with the CVS 1.4 kit.
- *
- * Print Log Information
- *
- * This line exists solely to test some pcl-cvs/ChangeLog stuff. You
- * can delete it, if indeed it's still here when you read it. -Karl
- *
- * Prints the RCS "log" (rlog) information for the specified files. With no
- * argument, prints the log information for all the files in the directory
- * (recursive by default).
- */
-
- #include "cvs.h"
-
- /* This structure holds information parsed from the -r option. */
-
- struct option_revlist
- {
- /* The next -r option. */
- struct option_revlist *next;
- /* The first revision to print. This is NULL if the range is
- :rev, or if no revision is given. */
- char *first;
- /* The last revision to print. This is NULL if the range is rev:,
- or if no revision is given. If there is no colon, first and
- last are the same. */
- char *last;
- /* Nonzero if there was a trailing `.', which means to print only
- the head revision of a branch. */
- int branchhead;
- };
-
- /* This structure holds information derived from option_revlist given
- a particular RCS file. */
-
- struct revlist
- {
- /* The next pair. */
- struct revlist *next;
- /* The first numeric revision to print. */
- char *first;
- /* The last numeric revision to print. */
- char *last;
- /* The number of fields in these revisions (one more than
- numdots). */
- int fields;
- };
-
- /* This structure holds information parsed from the -d option. */
-
- struct datelist
- {
- /* The next date. */
- struct datelist *next;
- /* The starting date. */
- char *start;
- /* The ending date. */
- char *end;
- /* Nonzero if the range is inclusive rather than exclusive. */
- int inclusive;
- };
-
- /* This structure is used to pass information through start_recursion. */
- struct log_data
- {
- /* Nonzero if the -R option was given, meaning that only the name
- of the RCS file should be printed. */
- int nameonly;
- /* Nonzero if the -h option was given, meaning that only header
- information should be printed. */
- int header;
- /* Nonzero if the -t option was given, meaning that only the
- header and the descriptive text should be printed. */
- int long_header;
- /* Nonzero if the -N option was seen, meaning that tag information
- should not be printed. */
- int notags;
- /* Nonzero if the -b option was seen, meaning that only revisions
- on the default branch should be printed. */
- int default_branch;
- /* If not NULL, the value given for the -r option, which lists
- sets of revisions to be printed. */
- struct option_revlist *revlist;
- /* If not NULL, the date pairs given for the -d option, which
- select date ranges to print. */
- struct datelist *datelist;
- /* If not NULL, the single dates given for the -d option, which
- select specific revisions to print based on a date. */
- struct datelist *singledatelist;
- /* If not NULL, the list of states given for the -s option, which
- only prints revisions of given states. */
- List *statelist;
- /* If not NULL, the list of login names given for the -w option,
- which only prints revisions checked in by given users. */
- List *authorlist;
- };
-
- /* This structure is used to pass information through walklist. */
- struct log_data_and_rcs
- {
- struct log_data *log_data;
- struct revlist *revlist;
- RCSNode *rcs;
- };
-
- static Dtype log_dirproc PROTO ((void *callerdat, char *dir,
- char *repository, char *update_dir,
- List *entries));
- static int log_fileproc PROTO ((void *callerdat, struct file_info *finfo));
- static struct option_revlist *log_parse_revlist PROTO ((const char *));
- static void log_parse_date PROTO ((struct log_data *, const char *));
- static void log_parse_list PROTO ((List **, const char *));
- static struct revlist *log_expand_revlist PROTO ((RCSNode *,
- struct option_revlist *,
- int));
- static void log_free_revlist PROTO ((struct revlist *));
- static int log_version_requested PROTO ((struct log_data *, struct revlist *,
- RCSNode *, RCSVers *));
- static int log_symbol PROTO ((Node *, void *));
- static int log_count PROTO ((Node *, void *));
- static int log_fix_singledate PROTO ((Node *, void *));
- static int log_count_print PROTO ((Node *, void *));
- static void log_tree PROTO ((struct log_data *, struct revlist *,
- RCSNode *, const char *));
- static void log_abranch PROTO ((struct log_data *, struct revlist *,
- RCSNode *, const char *));
- static void log_version PROTO ((struct log_data *, struct revlist *,
- RCSNode *, RCSVers *, int));
- static int log_branch PROTO ((Node *, void *));
- static int version_compare PROTO ((const char *, const char *, int));
-
- static const char *const log_usage[] =
- {
- "Usage: %s %s [-lRhtNb] [-r[revisions]] [-d dates] [-s states]\n",
- " [-w[logins]] [files...]\n",
- "\t-l\tLocal directory only, no recursion.\n",
- "\t-R\tOnly print name of RCS file.\n",
- "\t-h\tOnly print header.\n",
- "\t-t\tOnly print header and descriptive text.\n",
- "\t-N\tDo not list tags.\n",
- "\t-b\tOnly list revisions on the default branch.\n",
- "\t-r[revisions]\tSpecify revision(s)s to list.\n",
- "\t-d dates\tSpecify dates (D1<D2 for range, D for latest before).\n",
- "\t-s states\tOnly list revisions with specified states.\n",
- "\t-w[logins]\tOnly list revisions checked in by specified logins.\n",
- NULL
- };
-
- int
- cvslog (argc, argv)
- int argc;
- char **argv;
- {
- int c;
- int err = 0;
- int local = 0;
- struct log_data log_data;
- struct option_revlist *rl, **prl;
-
- if (argc == -1)
- usage (log_usage);
-
- memset (&log_data, 0, sizeof log_data);
-
- optind = 1;
- while ((c = getopt (argc, argv, "bd:hlNRr::s:tw::")) != -1)
- {
- switch (c)
- {
- case 'b':
- log_data.default_branch = 1;
- break;
- case 'd':
- log_parse_date (&log_data, optarg);
- break;
- case 'h':
- log_data.header = 1;
- break;
- case 'l':
- local = 1;
- break;
- case 'N':
- log_data.notags = 1;
- break;
- case 'R':
- log_data.nameonly = 1;
- break;
- case 'r':
- rl = log_parse_revlist (optarg);
- for (prl = &log_data.revlist;
- *prl != NULL;
- prl = &(*prl)->next)
- ;
- *prl = rl;
- break;
- case 's':
- log_parse_list (&log_data.statelist, optarg);
- break;
- case 't':
- log_data.long_header = 1;
- break;
- case 'w':
- if (optarg != NULL)
- log_parse_list (&log_data.authorlist, optarg);
- else
- log_parse_list (&log_data.authorlist, getcaller ());
- break;
- case '?':
- default:
- usage (log_usage);
- break;
- }
- }
-
- wrap_setup ();
-
- #ifdef CLIENT_SUPPORT
- if (client_active)
- {
- int i;
-
- /* We're the local client. Fire up the remote server. */
- start_server ();
-
- ign_setup ();
-
- for (i = 1; i < argc && argv[i][0] == '-'; i++)
- send_arg (argv[i]);
-
- send_file_names (argc - i, argv + i, SEND_EXPAND_WILD);
- /* FIXME: We shouldn't have to send current files to get log entries, but it
- doesn't work yet and I haven't debugged it. So send the files --
- it's slower but it works. gnu@cygnus.com Apr94 */
- send_files (argc - i, argv + i, local, 0);
-
- send_to_server ("log\012", 0);
- err = get_responses_and_close ();
- return err;
- }
- #endif
-
- err = start_recursion (log_fileproc, (FILESDONEPROC) NULL, log_dirproc,
- (DIRLEAVEPROC) NULL, (void *) &log_data,
- argc - optind, argv + optind, local,
- W_LOCAL | W_REPOS | W_ATTIC, 0, 1,
- (char *) NULL, 1);
- return (err);
- }
-
- /*
- * Parse a revision list specification.
- */
-
- static struct option_revlist *
- log_parse_revlist (argstring)
- const char *argstring;
- {
- char *copy;
- struct option_revlist *ret, **pr;
-
- /* Unfortunately, rlog accepts -r without an argument to mean that
- latest revision on the default branch, so we must support that
- for compatibility. */
- if (argstring == NULL)
- {
- ret = (struct option_revlist *) xmalloc (sizeof *ret);
- ret->first = NULL;
- ret->last = NULL;
- ret->next = NULL;
- ret->branchhead = 0;
- return ret;
- }
-
- ret = NULL;
- pr = &ret;
-
- /* Copy the argument into memory so that we can change it. We
- don't want to change the argument because, at least as of this
- writing, we will use it if we send the arguments to the server.
- We never bother to free up our copy. */
- copy = xstrdup (argstring);
- while (copy != NULL)
- {
- char *comma;
- char *cp;
- char *first, *last;
- struct option_revlist *r;
-
- comma = strchr (copy, ',');
- if (comma != NULL)
- *comma++ = '\0';
-
- first = copy;
- cp = strchr (copy, ':');
- if (cp == NULL)
- last = copy;
- else
- {
- *cp++ = '\0';
- last = cp;
- }
-
- if (*first == '\0')
- first = NULL;
- if (*last == '\0')
- last = NULL;
-
- r = (struct option_revlist *) xmalloc (sizeof *r);
- r->next = NULL;
- r->first = first;
- r->last = last;
- if (first != last
- || first[strlen (first) - 1] != '.')
- {
- r->branchhead = 0;
- }
- else
- {
- r->branchhead = 1;
- first[strlen (first) - 1] = '\0';
- }
-
- *pr = r;
- pr = &r->next;
-
- copy = comma;
- }
-
- return ret;
- }
-
- /*
- * Parse a date specification.
- */
- static void
- log_parse_date (log_data, argstring)
- struct log_data *log_data;
- const char *argstring;
- {
- char *orig_copy, *copy;
-
- /* Copy the argument into memory so that we can change it. We
- don't want to change the argument because, at least as of this
- writing, we will use it if we send the arguments to the server. */
- copy = xstrdup (argstring);
- orig_copy = copy;
- while (copy != NULL)
- {
- struct datelist *nd, **pd;
- char *cpend, *cp, *ds, *de;
-
- nd = (struct datelist *) xmalloc (sizeof *nd);
-
- cpend = strchr (copy, ';');
- if (cpend != NULL)
- *cpend++ = '\0';
-
- pd = &log_data->datelist;
- nd->inclusive = 0;
-
- if ((cp = strchr (copy, '>')) != NULL)
- {
- *cp++ = '\0';
- if (*cp == '=')
- {
- ++cp;
- nd->inclusive = 1;
- }
- ds = cp;
- de = copy;
- }
- else if ((cp = strchr (copy, '<')) != NULL)
- {
- *cp++ = '\0';
- if (*cp == '=')
- {
- ++cp;
- nd->inclusive = 1;
- }
- ds = copy;
- de = cp;
- }
- else
- {
- ds = NULL;
- de = copy;
- pd = &log_data->singledatelist;
- }
-
- if (ds == NULL)
- nd->start = NULL;
- else if (*ds != '\0')
- nd->start = Make_Date (ds);
- else
- {
- /* 1970 was the beginning of time, as far as get_date and
- Make_Date are concerned. */
- nd->start = Make_Date ("1/1/1970 UTC");
- }
-
- if (*de != '\0')
- nd->end = Make_Date (de);
- else
- {
- /* We want to set the end date to some time sufficiently far
- in the future to pick up all revisions that have been
- created since the specified date and the time `cvs log'
- completes. */
- nd->end = Make_Date ("next week");
- }
-
- nd->next = *pd;
- *pd = nd;
-
- copy = cpend;
- }
-
- free (orig_copy);
- }
-
- /*
- * Parse a comma separated list of items, and add each one to *PLIST.
- */
- static void
- log_parse_list (plist, argstring)
- List **plist;
- const char *argstring;
- {
- while (1)
- {
- Node *p;
- char *cp;
-
- p = getnode ();
-
- cp = strchr (argstring, ',');
- if (cp == NULL)
- p->key = xstrdup (argstring);
- else
- {
- size_t len;
-
- len = cp - argstring;
- p->key = xmalloc (len + 1);
- strncpy (p->key, argstring, len);
- p->key[len + 1] = '\0';
- }
-
- if (*plist == NULL)
- *plist = getlist ();
- if (addnode (*plist, p) != 0)
- freenode (p);
-
- if (cp == NULL)
- break;
-
- argstring = cp + 1;
- }
- }
-
- /*
- * Do an rlog on a file
- */
- static int
- log_fileproc (callerdat, finfo)
- void *callerdat;
- struct file_info *finfo;
- {
- struct log_data *log_data = (struct log_data *) callerdat;
- Node *p;
- RCSNode *rcsfile;
- char buf[50];
- struct revlist *revlist;
- struct log_data_and_rcs log_data_and_rcs;
-
- if ((rcsfile = finfo->rcs) == NULL)
- {
- /* no rcs file. What *do* we know about this file? */
- p = findnode (finfo->entries, finfo->file);
- if (p != NULL)
- {
- Entnode *e;
-
- e = (Entnode *) p->data;
- if (e->version[0] == '0' || e->version[1] == '\0')
- {
- if (!really_quiet)
- error (0, 0, "%s has been added, but not committed",
- finfo->file);
- return(0);
- }
- }
-
- if (!really_quiet)
- error (0, 0, "nothing known about %s", finfo->file);
-
- return (1);
- }
-
- if (log_data->nameonly)
- {
- cvs_output (rcsfile->path, 0);
- cvs_output ("\n", 1);
- return 0;
- }
-
- /* We will need all the information in the RCS file. */
- RCS_fully_parse (rcsfile);
-
- /* Turn any symbolic revisions in the revision list into numeric
- revisions. */
- revlist = log_expand_revlist (rcsfile, log_data->revlist,
- log_data->default_branch);
-
- /* The output here is intended to be exactly compatible with the
- output of rlog. I'm not sure whether this code should be here
- or in rcs.c; I put it here because it is specific to the log
- function, even though it uses information gathered by the
- functions in rcs.c. */
-
- cvs_output ("\n", 1);
-
- cvs_output ("RCS file: ", 0);
- cvs_output (rcsfile->path, 0);
-
- cvs_output ("\nWorking file: ", 0);
- if (finfo->update_dir[0] == '\0')
- cvs_output (finfo->file, 0);
- else
- {
- cvs_output (finfo->update_dir, 0);
- cvs_output ("/", 0);
- cvs_output (finfo->file, 0);
-
- }
-
- cvs_output ("\nhead:", 0);
- if (rcsfile->head != NULL)
- {
- cvs_output (" ", 1);
- cvs_output (rcsfile->head, 0);
- }
-
- cvs_output ("\nbranch:", 0);
- if (rcsfile->branch != NULL)
- {
- cvs_output (" ", 1);
- cvs_output (rcsfile->branch, 0);
- }
-
- cvs_output ("\nlocks:", 0);
- if (rcsfile->other != NULL)
- {
- p = findnode (rcsfile->other, "strict");
- if (p != NULL)
- cvs_output (" strict", 0);
- p = findnode (rcsfile->other, "locks");
- if (p != NULL && p->data != NULL)
- {
- char *f, *cp;
-
- f = xstrdup (p->data);
- cp = f;
- while (*cp != '\0')
- {
- char *cp2, *locker, *version;
- RCSVers *vnode;
-
- locker = cp;
-
- cp2 = strchr (cp, ':');
- if (cp2 == NULL)
- {
- error (0, 0, "warning: bad locks field in RCS file `%s'",
- finfo->fullname);
- break;
- }
-
- *cp2 = '\0';
-
- cvs_output ("\n\t", 2);
- cvs_output (cp, cp2 - cp);
- cvs_output (": ", 2);
-
- cp = cp2 + 1;
- while (isspace (*cp) && *cp != '\0')
- ++cp;
-
- version = cp;
-
- cp2 = cp;
- while (! isspace (*cp2) && *cp2 != '\0')
- ++cp2;
-
- cvs_output (cp, cp2 - cp);
-
- if (*cp2 == '\0')
- cp = cp2;
- else
- {
- *cp2 = '\0';
- cp = cp2 + 1;
- while (isspace (*cp) && *cp != '\0')
- ++cp;
- }
-
- p = findnode (rcsfile->versions, version);
- if (p == NULL)
- error (0, 0,
- "warning: lock for missing version `%s' in `%s'",
- version, finfo->fullname);
- else
- {
- vnode = (RCSVers *) p->data;
- p = getnode ();
- p->type = RCSFIELD;
- p->key = xstrdup (";locker");
- p->data = xstrdup (locker);
- if (addnode (vnode->other, p) != 0)
- {
- error (0, 0,
- "warning: duplicate lock for `%s' in `%s'",
- version, finfo->fullname);
- freenode (p);
- }
- }
- }
-
- free (f);
- }
- }
-
- cvs_output ("\naccess list:", 0);
- if (rcsfile->other != NULL)
- {
- p = findnode (rcsfile->other, "access");
- if (p != NULL && p->data != NULL)
- {
- const char *cp;
-
- cp = p->data;
- while (*cp != '\0')
- {
- const char *cp2;
-
- cvs_output ("\n\t", 2);
- cp2 = cp;
- while (! isspace (*cp2) && *cp2 != '\0')
- ++cp2;
- cvs_output (cp, cp2 - cp);
- cp = cp2;
- while (isspace (*cp) && *cp != '\0')
- ++cp;
- }
- }
- }
-
- if (! log_data->notags)
- {
- List *syms;
-
- cvs_output ("\nsymbolic names:", 0);
- syms = RCS_symbols (rcsfile);
- walklist (syms, log_symbol, NULL);
- }
-
- cvs_output ("\nkeyword substitution: ", 0);
- if (rcsfile->expand == NULL)
- cvs_output ("kv", 2);
- else
- cvs_output (rcsfile->expand, 0);
-
- cvs_output ("\ntotal revisions: ", 0);
- sprintf (buf, "%d", walklist (rcsfile->versions, log_count, NULL));
- cvs_output (buf, 0);
-
- if (! log_data->header && ! log_data->long_header)
- {
- cvs_output (";\tselected revisions: ", 0);
-
- log_data_and_rcs.log_data = log_data;
- log_data_and_rcs.revlist = revlist;
- log_data_and_rcs.rcs = rcsfile;
-
- /* If any single dates were specified, we need to identify the
- revisions they select. Each one selects the single
- revision, which is otherwise selected, of that date or
- earlier. The log_fix_singledate routine will fill in the
- start date for each specific revision. */
- if (log_data->singledatelist != NULL)
- walklist (rcsfile->versions, log_fix_singledate,
- (void *) &log_data_and_rcs);
-
- sprintf (buf, "%d", walklist (rcsfile->versions, log_count_print,
- (void *) &log_data_and_rcs));
- cvs_output (buf, 0);
- }
-
- cvs_output ("\n", 1);
-
- if (! log_data->header || log_data->long_header)
- {
- cvs_output ("description:\n", 0);
- if (rcsfile->other != NULL)
- {
- p = findnode (rcsfile->other, "desc");
- if (p != NULL)
- cvs_output (p->data, 0);
- }
- }
-
- if (! log_data->header && ! log_data->long_header && rcsfile->head != NULL)
- {
- p = findnode (rcsfile->versions, rcsfile->head);
- if (p == NULL)
- error (1, 0, "can not find head revision in `%s'",
- finfo->fullname);
- while (p != NULL)
- {
- RCSVers *vers;
-
- vers = (RCSVers *) p->data;
- log_version (log_data, revlist, rcsfile, vers, 1);
- if (vers->next == NULL)
- p = NULL;
- else
- {
- p = findnode (rcsfile->versions, vers->next);
- if (p == NULL)
- error (1, 0, "can not find next revision `%s' in `%s'",
- vers->next, finfo->fullname);
- }
- }
-
- log_tree (log_data, revlist, rcsfile, rcsfile->head);
- }
-
- cvs_output("\
- =============================================================================\n",
- 0);
-
- /* Free up the new revlist and restore the old one. */
- log_free_revlist (revlist);
-
- /* If singledatelist is not NULL, free up the start dates we added
- to it. */
- if (log_data->singledatelist != NULL)
- {
- struct datelist *d;
-
- for (d = log_data->singledatelist; d != NULL; d = d->next)
- {
- if (d->start != NULL)
- free (d->start);
- d->start = NULL;
- }
- }
-
- return 0;
- }
-
- /*
- * Fix up a revision list in order to compare it against versions.
- * Expand any symbolic revisions.
- */
- static struct revlist *
- log_expand_revlist (rcs, revlist, default_branch)
- RCSNode *rcs;
- struct option_revlist *revlist;
- int default_branch;
- {
- struct option_revlist *r;
- struct revlist *ret, **pr;
-
- ret = NULL;
- pr = &ret;
- for (r = revlist; r != NULL; r = r->next)
- {
- struct revlist *nr;
-
- nr = (struct revlist *) xmalloc (sizeof *nr);
-
- if (r->first == NULL && r->last == NULL)
- {
- /* If both first and last are NULL, it means that we want
- just the head of the default branch, which is RCS_head. */
- nr->first = RCS_head (rcs);
- nr->last = xstrdup (nr->first);
- nr->fields = numdots (nr->first) + 1;
- }
- else if (r->branchhead)
- {
- char *branch;
-
- /* Print just the head of the branch. */
- if (isdigit (r->first[0]))
- nr->first = RCS_getbranch (rcs, r->first, 1);
- else
- {
- branch = RCS_whatbranch (rcs, r->first);
- if (branch == NULL)
- {
- error (0, 0, "warning: `%s' is not a branch in `%s'",
- r->first, rcs->path);
- free (nr);
- continue;
- }
- nr->first = RCS_getbranch (rcs, branch, 1);
- free (branch);
- }
- if (nr->first == NULL)
- {
- error (0, 0, "warning: no revision `%s' in `%s'",
- r->first, rcs->path);
- free (nr);
- continue;
- }
- nr->last = xstrdup (nr->first);
- nr->fields = numdots (nr->first) + 1;
- }
- else
- {
- if (r->first == NULL || isdigit (r->first[0]))
- nr->first = xstrdup (r->first);
- else
- {
- if (RCS_nodeisbranch (rcs, r->first))
- nr->first = RCS_whatbranch (rcs, r->first);
- else
- nr->first = RCS_gettag (rcs, r->first, 1, 0);
- if (nr->first == NULL)
- {
- error (0, 0, "warning: no revision `%s' in `%s'",
- r->first, rcs->path);
- free (nr);
- continue;
- }
- }
-
- if (r->last == r->first)
- nr->last = xstrdup (nr->first);
- else if (r->last == NULL || isdigit (r->last[0]))
- nr->last = xstrdup (r->last);
- else
- {
- if (RCS_nodeisbranch (rcs, r->last))
- nr->last = RCS_whatbranch (rcs, r->last);
- else
- nr->last = RCS_gettag (rcs, r->last, 1, 0);
- if (nr->last == NULL)
- {
- error (0, 0, "warning: no revision `%s' in `%s'",
- r->last, rcs->path);
- if (nr->first != NULL)
- free (nr->first);
- free (nr);
- continue;
- }
- }
-
- /* Process the revision numbers the same way that rlog
- does. This code is a bit cryptic for my tastes, but
- keeping the same implementation as rlog ensures a
- certain degree of compatibility. */
- if (r->first == NULL)
- {
- nr->fields = numdots (nr->last) + 1;
- if (nr->fields < 2)
- nr->first = xstrdup (".0");
- else
- {
- char *cp;
-
- nr->first = xstrdup (nr->last);
- cp = strrchr (nr->first, '.');
- strcpy (cp, ".0");
- }
- }
- else if (r->last == NULL)
- {
- nr->fields = numdots (nr->first) + 1;
- nr->last = xstrdup (nr->first);
- if (nr->fields < 2)
- nr->last[0] = '\0';
- else
- {
- char *cp;
-
- cp = strrchr (nr->last, '.');
- *cp = '\0';
- }
- }
- else
- {
- nr->fields = numdots (nr->first) + 1;
- if (nr->fields != numdots (nr->last) + 1
- || (nr->fields > 2
- && version_compare (nr->first, nr->last,
- nr->fields - 1) != 0))
- {
- error (0, 0,
- "invalid branch or revision pair %s:%s in `%s'",
- r->first, r->last, rcs->path);
- free (nr->first);
- free (nr->last);
- free (nr);
- continue;
- }
- if (version_compare (nr->first, nr->last, nr->fields) > 0)
- {
- char *tmp;
-
- tmp = nr->first;
- nr->first = nr->last;
- nr->last = tmp;
- }
- }
- }
-
- nr->next = NULL;
- *pr = nr;
- pr = &nr->next;
- }
-
- /* If the default branch was requested, add a revlist entry for
- it. This is how rlog handles this option. */
- if (default_branch
- && (rcs->head != NULL || rcs->branch != NULL))
- {
- struct revlist *nr;
-
- nr = (struct revlist *) xmalloc (sizeof *nr);
- if (rcs->branch != NULL)
- nr->first = xstrdup (rcs->branch);
- else
- {
- char *cp;
-
- nr->first = xstrdup (rcs->head);
- cp = strrchr (nr->first, '.');
- *cp = '\0';
- }
- nr->last = xstrdup (nr->first);
- nr->fields = numdots (nr->first) + 1;
-
- nr->next = NULL;
- *pr = nr;
- }
-
- return ret;
- }
-
- /*
- * Free a revlist created by log_expand_revlist.
- */
- static void
- log_free_revlist (revlist)
- struct revlist *revlist;
- {
- struct revlist *r;
-
- r = revlist;
- while (r != NULL)
- {
- struct revlist *next;
-
- if (r->first != NULL)
- free (r->first);
- if (r->last != NULL)
- free (r->last);
- next = r->next;
- free (r);
- r = next;
- }
- }
-
- /*
- * Return nonzero if a revision should be printed, based on the
- * options provided.
- */
- static int
- log_version_requested (log_data, revlist, rcs, vnode)
- struct log_data *log_data;
- struct revlist *revlist;
- RCSNode *rcs;
- RCSVers *vnode;
- {
- /* Handle the list of states from the -s option. */
- if (log_data->statelist != NULL)
- {
- Node *p;
-
- p = findnode (vnode->other, "state");
- if (p != NULL
- && findnode (log_data->statelist, p->data) == NULL)
- {
- return 0;
- }
- }
-
- /* Handle the list of authors from the -w option. */
- if (log_data->authorlist != NULL)
- {
- if (vnode->author != NULL
- && findnode (log_data->authorlist, vnode->author) == NULL)
- {
- return 0;
- }
- }
-
- /* rlog considers all the -d options together when it decides
- whether to print a revision, so we must be compatible. */
- if (log_data->datelist != NULL || log_data->singledatelist != NULL)
- {
- struct datelist *d;
-
- for (d = log_data->datelist; d != NULL; d = d->next)
- {
- int cmp;
-
- cmp = RCS_datecmp (vnode->date, d->start);
- if (cmp > 0 || (cmp == 0 && d->inclusive))
- {
- cmp = RCS_datecmp (vnode->date, d->end);
- if (cmp < 0 || (cmp == 0 && d->inclusive))
- break;
- }
- }
-
- if (d == NULL)
- {
- /* Look through the list of specific dates. We want to
- select the revision with the exact date found in the
- start field. The commit code ensures that it is
- impossible to check in multiple revisions of a single
- file in a single second, so checking the date this way
- should never select more than one revision. */
- for (d = log_data->singledatelist; d != NULL; d = d->next)
- {
- if (d->start != NULL
- && RCS_datecmp (vnode->date, d->start) == 0)
- {
- break;
- }
- }
-
- if (d == NULL)
- return 0;
- }
- }
-
- /* If the -r or -b options were used, REVLIST will be non NULL,
- and we print the union of the specified revisions. */
- if (revlist != NULL)
- {
- char *v;
- int vfields;
- struct revlist *r;
-
- /* This code is taken from rlog. */
- v = vnode->version;
- vfields = numdots (v) + 1;
- for (r = revlist; r != NULL; r = r->next)
- {
- if (vfields == r->fields + (r->fields & 1)
- && version_compare (v, r->first, r->fields) >= 0
- && version_compare (v, r->last, r->fields) <= 0)
- {
- return 1;
- }
- }
-
- /* If we get here, then the -b and/or the -r option was used,
- but did not match this revision, so we reject it. */
-
- return 0;
- }
-
- /* By default, we print all revisions. */
- return 1;
- }
-
- /*
- * Output a single symbol. This is called via walklist.
- */
- /*ARGSUSED*/
- static int
- log_symbol (p, closure)
- Node *p;
- void *closure;
- {
- cvs_output ("\n\t", 2);
- cvs_output (p->key, 0);
- cvs_output (": ", 2);
- cvs_output (p->data, 0);
- return 0;
- }
-
- /*
- * Count the number of entries on a list. This is called via walklist.
- */
- /*ARGSUSED*/
- static int
- log_count (p, closure)
- Node *p;
- void *closure;
- {
- return 1;
- }
-
- /*
- * Sort out a single date specification by narrowing down the date
- * until we find the specific selected revision.
- */
- static int
- log_fix_singledate (p, closure)
- Node *p;
- void *closure;
- {
- struct log_data_and_rcs *data = (struct log_data_and_rcs *) closure;
- Node *pv;
- RCSVers *vnode;
- struct datelist *holdsingle, *holddate;
- int requested;
-
- pv = findnode (data->rcs->versions, p->key);
- if (pv == NULL)
- error (1, 0, "missing version `%s' in RCS file `%s'",
- p->key, data->rcs->path);
- vnode = (RCSVers *) pv->data;
-
- /* We are only interested if this revision passes any other tests.
- Temporarily clear log_data->singledatelist to avoid confusing
- log_version_requested. We also clear log_data->datelist,
- because rlog considers all the -d options together. We don't
- want to reject a revision because it does not match a date pair
- if we are going to select it on the basis of the singledate. */
- holdsingle = data->log_data->singledatelist;
- data->log_data->singledatelist = NULL;
- holddate = data->log_data->datelist;
- data->log_data->datelist = NULL;
- requested = log_version_requested (data->log_data, data->revlist,
- data->rcs, vnode);
- data->log_data->singledatelist = holdsingle;
- data->log_data->datelist = holddate;
-
- if (requested)
- {
- struct datelist *d;
-
- /* For each single date, if this revision is before the
- specified date, but is closer than the previously selected
- revision, select it instead. */
- for (d = data->log_data->singledatelist; d != NULL; d = d->next)
- {
- if (RCS_datecmp (vnode->date, d->end) <= 0
- && (d->start == NULL
- || RCS_datecmp (vnode->date, d->start) > 0))
- {
- if (d->start != NULL)
- free (d->start);
- d->start = xstrdup (vnode->date);
- }
- }
- }
-
- return 0;
- }
-
- /*
- * Count the number of revisions we are going to print.
- */
- static int
- log_count_print (p, closure)
- Node *p;
- void *closure;
- {
- struct log_data_and_rcs *data = (struct log_data_and_rcs *) closure;
- Node *pv;
-
- pv = findnode (data->rcs->versions, p->key);
- if (pv == NULL)
- error (1, 0, "missing version `%s' in RCS file `%s'",
- p->key, data->rcs->path);
- if (log_version_requested (data->log_data, data->revlist, data->rcs,
- (RCSVers *) pv->data))
- return 1;
- else
- return 0;
- }
-
- /*
- * Print the list of changes, not including the trunk, in reverse
- * order for each branch.
- */
- static void
- log_tree (log_data, revlist, rcs, ver)
- struct log_data *log_data;
- struct revlist *revlist;
- RCSNode *rcs;
- const char *ver;
- {
- Node *p;
- RCSVers *vnode;
-
- p = findnode (rcs->versions, ver);
- if (p == NULL)
- error (1, 0, "missing version `%s' in RCS file `%s'",
- ver, rcs->path);
- vnode = (RCSVers *) p->data;
- if (vnode->next != NULL)
- log_tree (log_data, revlist, rcs, vnode->next);
- if (vnode->branches != NULL)
- {
- Node *head, *branch;
-
- /* We need to do the branches in reverse order. This breaks
- the List abstraction, but so does most of the branch
- manipulation in rcs.c. */
- head = vnode->branches->list;
- for (branch = head->prev; branch != head; branch = branch->next)
- {
- log_abranch (log_data, revlist, rcs, branch->key);
- log_tree (log_data, revlist, rcs, branch->key);
- }
- }
- }
-
- /*
- * Log the changes for a branch, in reverse order.
- */
- static void
- log_abranch (log_data, revlist, rcs, ver)
- struct log_data *log_data;
- struct revlist *revlist;
- RCSNode *rcs;
- const char *ver;
- {
- Node *p;
- RCSVers *vnode;
-
- p = findnode (rcs->versions, ver);
- if (p == NULL)
- error (1, 0, "missing version `%s' in RCS file `%s'",
- ver, rcs->path);
- vnode = (RCSVers *) p->data;
- if (vnode->next != NULL)
- log_abranch (log_data, revlist, rcs, vnode->next);
- log_version (log_data, revlist, rcs, vnode, 0);
- }
-
- /*
- * Print the log output for a single version.
- */
- static void
- log_version (log_data, revlist, rcs, ver, trunk)
- struct log_data *log_data;
- struct revlist *revlist;
- RCSNode *rcs;
- RCSVers *ver;
- int trunk;
- {
- Node *p;
- int year, mon, mday, hour, min, sec;
- char buf[100];
- Node *padd, *pdel;
-
- if (! log_version_requested (log_data, revlist, rcs, ver))
- return;
-
- cvs_output ("----------------------------\nrevision ", 0);
- cvs_output (ver->version, 0);
-
- p = findnode (ver->other, ";locker");
- if (p != NULL)
- {
- cvs_output ("\tlocked by: ", 0);
- cvs_output (p->data, 0);
- cvs_output (";", 1);
- }
-
- cvs_output ("\ndate: ", 0);
- (void) sscanf (ver->date, SDATEFORM, &year, &mon, &mday, &hour, &min,
- &sec);
- if (year < 1900)
- year += 1900;
- sprintf (buf, "%04d/%02d/%02d %02d:%02d:%02d", year, mon, mday,
- hour, min, sec);
- cvs_output (buf, 0);
-
- cvs_output ("; author: ", 0);
- cvs_output (ver->author, 0);
-
- cvs_output ("; state: ", 0);
- p = findnode (ver->other, "state");
- cvs_output (p->data, 0);
- cvs_output (";", 1);
-
- if (! trunk)
- {
- padd = findnode (ver->other, ";add");
- pdel = findnode (ver->other, ";delete");
- }
- else if (ver->next == NULL)
- {
- padd = NULL;
- pdel = NULL;
- }
- else
- {
- Node *nextp;
- RCSVers *nextver;
-
- nextp = findnode (rcs->versions, ver->next);
- if (nextp == NULL)
- error (1, 0, "missing version `%s' in `%s'", ver->next,
- rcs->path);
- nextver = (RCSVers *) nextp->data;
- pdel = findnode (nextver->other, ";add");
- padd = findnode (nextver->other, ";delete");
- }
-
- if (padd != NULL)
- {
- cvs_output (" lines: +", 0);
- cvs_output (padd->data, 0);
- cvs_output (" -", 2);
- cvs_output (pdel->data, 0);
- }
-
- if (ver->branches != NULL)
- {
- cvs_output ("\nbranches:", 0);
- walklist (ver->branches, log_branch, (void *) NULL);
- }
-
- cvs_output ("\n", 1);
-
- p = findnode (ver->other, "log");
- if (p == NULL || p->data[0] == '\0')
- cvs_output ("*** empty log message ***\n", 0);
- else
- {
- /* FIXME: Technically, the log message could contain a null
- byte. */
- cvs_output (p->data, 0);
- if (p->data[strlen (p->data) - 1] != '\n')
- cvs_output ("\n", 1);
- }
- }
-
- /*
- * Output a branch version. This is called via walklist.
- */
- /*ARGSUSED*/
- static int
- log_branch (p, closure)
- Node *p;
- void *closure;
- {
- cvs_output (" ", 2);
- if ((numdots (p->key) & 1) == 0)
- cvs_output (p->key, 0);
- else
- {
- char *f, *cp;
-
- f = xstrdup (p->key);
- cp = strrchr (f, '.');
- *cp = '\0';
- cvs_output (f, 0);
- free (f);
- }
- cvs_output (";", 1);
- return 0;
- }
-
- /*
- * Print a warm fuzzy message
- */
- /* ARGSUSED */
- static Dtype
- log_dirproc (callerdat, dir, repository, update_dir, entries)
- void *callerdat;
- char *dir;
- char *repository;
- char *update_dir;
- List *entries;
- {
- if (!isdir (dir))
- return (R_SKIP_ALL);
-
- if (!quiet)
- error (0, 0, "Logging %s", update_dir);
- return (R_PROCESS);
- }
-
- /*
- * Compare versions. This is taken from RCS compartial.
- */
- static int
- version_compare (v1, v2, len)
- const char *v1;
- const char *v2;
- int len;
- {
- while (1)
- {
- int d1, d2, r;
-
- if (*v1 == '\0')
- return 1;
- if (*v2 == '\0')
- return -1;
-
- while (*v1 == '0')
- ++v1;
- for (d1 = 0; isdigit (v1[d1]); ++d1)
- ;
-
- while (*v2 == '0')
- ++v2;
- for (d2 = 0; isdigit (v2[d2]); ++d2)
- ;
-
- if (d1 != d2)
- return d1 < d2 ? -1 : 1;
-
- r = memcmp (v1, v2, d1);
- if (r != 0)
- return r;
-
- --len;
- if (len == 0)
- return 0;
-
- v1 += d1;
- v2 += d1;
-
- if (*v1 == '.')
- ++v1;
- if (*v2 == '.')
- ++v2;
- }
- }
-