3 * folder(s).c -- set/list the current message and/or folder
4 * -- push/pop a folder onto/from the folder stack
5 * -- list the folder stack
9 * This code is Copyright (c) 2002, by the authors of nmh. See the
10 * COPYRIGHT file in the root directory of the nmh distribution for
11 * complete copyright information.
18 static struct swit switches[] = {
70 static int fshort = 0; /* output only folder names */
71 static int fcreat = 0; /* should we ask to create new folders? */
72 static int fpack = 0; /* are we packing the folder? */
73 static int fverb = 0; /* print actions taken while packing folder */
74 static int fheader = 0; /* should we output a header? */
75 static int frecurse = 0; /* recurse through subfolders */
76 static int ftotal = 0; /* should we output the totals? */
77 static int all = 0; /* should we output all folders */
79 static int total_folders = 0; /* total number of folders */
85 static char *stack = "Folder-Stack";
86 static char folder[BUFSIZ];
88 #define NUMFOLDERS 100
91 * This is how many folders we currently can hold in the array
92 * `folds'. We increase this amount by NUMFOLDERS at a time.
94 static int maxfolders;
98 * Structure to hold information about
99 * folders as we scan them.
107 int others; /* others == 1 if other files in folder */
108 int error; /* error == 1 for unreadable folder */
112 * Dynamically allocated space to hold
113 * all the folder information.
115 static struct FolderInfo *fi;
116 static int maxFolderInfo;
121 static void dodir (char *);
122 static int get_folder_info (char *, char *);
123 static void print_folders (void);
124 static int sfold (struct msgs *, char *);
125 static void addir (char *);
126 static void addfold (char *);
127 static int compare (char *, char *);
128 static void readonly_folders (void);
132 main (int argc, char **argv)
134 int printsw = 0, listsw = 0;
135 int pushsw = 0, popsw = 0;
136 char *cp, *dp, *msg = NULL, *argfolder = NULL;
137 char **ap, **argp, buf[BUFSIZ], **arguments;
140 setlocale(LC_ALL, "");
142 invo_name = r1bindex (argv[0], '/');
144 /* read user profile/context */
148 * If program was invoked with name ending
149 * in `s', then add switch `-all'.
151 if (argv[0][strlen (argv[0]) - 1] == 's')
154 arguments = getarguments (invo_name, argc, argv, 1);
157 while ((cp = *argp++)) {
159 switch (smatch (++cp, switches)) {
161 ambigsw (cp, switches);
164 adios (NULL, "-%s unknown", cp);
167 snprintf (buf, sizeof(buf), "%s [+folder] [msg] [switches]",
169 print_help (buf, switches, 1);
172 print_version(invo_name);
258 if (*cp == '+' || *cp == '@') {
260 adios (NULL, "only one folder at a time!");
262 argfolder = pluspath (cp);
265 adios (NULL, "only one (current) message at a time!");
271 if (!context_find ("path"))
272 free (path ("./", TFOLDER));
273 nmhdir = concat (m_maildir (""), "/", NULL);
276 * If we aren't working with the folder stack
277 * (-push, -pop, -list) then the default is to print.
279 if (pushsw == 0 && popsw == 0 && listsw == 0)
282 /* Pushing a folder onto the folder stack */
285 /* If no folder is given, the current folder and */
286 /* the top of the folder stack are swapped. */
287 if ((cp = context_find (stack))) {
289 ap = brkstring (dp, " ", "\n");
290 argfolder = getcpy(*ap++);
292 adios (NULL, "no other folder");
294 for (cp = getcpy (getfolder (1)); *ap; ap++)
295 cp = add (*ap, add (" ", cp));
297 context_replace (stack, cp); /* update folder stack */
299 /* update folder stack */
300 context_replace (stack,
301 (cp = context_find (stack))
302 ? concat (getfolder (1), " ", cp, NULL)
303 : getcpy (getfolder (1)));
307 /* Popping a folder off of the folder stack */
310 adios (NULL, "sorry, no folders allowed with -pop");
311 if ((cp = context_find (stack))) {
313 ap = brkstring (dp, " ", "\n");
314 argfolder = getcpy(*ap++);
316 adios (NULL, "folder stack empty");
319 /* if there's anything left in the stack */
322 cp = add (*ap, add (" ", cp));
323 context_replace (stack, cp); /* update folder stack */
325 context_del (stack); /* delete folder stack entry from context */
329 if (pushsw || popsw) {
330 cp = m_maildir(argfolder);
331 if (access (cp, F_OK) == NOTOK)
332 adios (cp, "unable to find folder");
333 context_replace (pfolder, argfolder); /* update current folder */
334 context_save (); /* save the context file */
338 /* Listing the folder stack */
340 printf ("%s", argfolder ? argfolder : getfolder (1));
341 if ((cp = context_find (stack))) {
343 for (ap = brkstring (dp, " ", "\n"); *ap; ap++)
353 /* Allocate initial space to record folder names */
354 maxfolders = NUMFOLDERS;
355 folds = mh_xmalloc (maxfolders * sizeof(char *));
357 /* Allocate initial space to record folder information */
358 maxFolderInfo = NUMFOLDERS;
359 fi = mh_xmalloc (maxFolderInfo * sizeof(*fi));
364 if (all || ftotal > 0) {
366 * If no folder is given, do them all
370 admonish (NULL, "no folder given for message %s", msg);
371 readonly_folders (); /* do any readonly folders */
372 strncpy (folder, (cp = context_find (pfolder)) ? cp : "", sizeof(folder));
375 strncpy (folder, argfolder, sizeof(folder));
376 if (get_folder_info (argfolder, msg)) {
377 context_replace (pfolder, argfolder);/* update current folder */
378 context_save (); /* save the context file */
381 * Since recurse wasn't done in get_folder_info(),
382 * we still need to list all level-1 sub-folders.
388 strncpy (folder, argfolder ? argfolder : getfolder (1), sizeof(folder));
391 * Check if folder exists. If not, then see if
392 * we should create it, or just exit.
394 create_folder (m_maildir (folder), fcreat, done);
396 if (get_folder_info (folder, msg) && argfolder) {
397 /* update current folder */
398 context_replace (pfolder, argfolder);
403 * Print out folder information
407 context_save (); /* save the context file */
413 * Base routine for scanning a folder
426 /* change directory to base of nmh directory */
427 if (chdir (nmhdir) == NOTOK)
428 adios (nmhdir, "unable to change directory to");
430 addir (strncpy (buffer, dir, sizeof(buffer)));
432 for (i = start; i < foldp; i++) {
433 get_folder_info (folds[i], NULL);
442 get_folder_info (char *fold, char *msg)
446 struct msgs *mp = NULL;
451 * if necessary, reallocate the space
452 * for folder information
454 if (total_folders >= maxFolderInfo) {
455 maxFolderInfo += NUMFOLDERS;
456 fi = mh_xrealloc (fi, maxFolderInfo * sizeof(*fi));
467 mailfile = m_maildir (fold);
469 if (!chdir (mailfile)) {
470 if ((ftotal > 0) || !fshort || msg || fpack) {
472 * create message structure and get folder info
474 if (!(mp = folder_read (fold))) {
475 admonish (NULL, "unable to read folder %s", fold);
479 /* set the current message */
480 if (msg && !sfold (mp, msg))
484 if (folder_pack (&mp, fverb) == -1)
486 seq_save (mp); /* synchronize the sequences */
487 context_save (); /* save the context file */
490 /* record info for this folder */
491 if ((ftotal > 0) || !fshort) {
492 fi[i].nummsg = mp->nummsg;
493 fi[i].curmsg = mp->curmsg;
494 fi[i].lowmsg = mp->lowmsg;
495 fi[i].hghmsg = mp->hghmsg;
496 fi[i].others = other_files (mp);
499 folder_free (mp); /* free folder/message structure */
505 if (frecurse && (fshort || fi[i].others) && (fi[i].error == 0))
511 * Print folder information
517 int i, len, hasempty = 0, curprinted;
518 int maxlen = 0, maxnummsg = 0, maxlowmsg = 0;
519 int maxhghmsg = 0, maxcurmsg = 0, total_msgs = 0;
520 int nummsgdigits, lowmsgdigits;
521 int hghmsgdigits, curmsgdigits;
522 char tmpname[BUFSIZ];
525 * compute a few values needed to for
526 * printing various fields
528 for (i = 0; i < total_folders; i++) {
529 /* length of folder name */
530 len = strlen (fi[i].name);
534 /* If folder has error, skip the rest */
538 /* calculate total number of messages */
539 total_msgs += fi[i].nummsg;
541 /* maximum number of messages */
542 if (fi[i].nummsg > maxnummsg)
543 maxnummsg = fi[i].nummsg;
545 /* maximum low message */
546 if (fi[i].lowmsg > maxlowmsg)
547 maxlowmsg = fi[i].lowmsg;
549 /* maximum high message */
550 if (fi[i].hghmsg > maxhghmsg)
551 maxhghmsg = fi[i].hghmsg;
553 /* maximum current message */
554 if (fi[i].curmsg >= fi[i].lowmsg &&
555 fi[i].curmsg <= fi[i].hghmsg &&
556 fi[i].curmsg > maxcurmsg)
557 maxcurmsg = fi[i].curmsg;
559 /* check for empty folders */
560 if (fi[i].nummsg == 0)
563 nummsgdigits = num_digits (maxnummsg);
564 lowmsgdigits = num_digits (maxlowmsg);
565 hghmsgdigits = num_digits (maxhghmsg);
566 curmsgdigits = num_digits (maxcurmsg);
568 if (hasempty && nummsgdigits < 2)
574 if (fheader > 0 || (all && !fshort && fheader >= 0))
575 printf ("%-*s %*s %-*s; %-*s %*s\n",
577 nummsgdigits + 13, "# MESSAGES",
578 lowmsgdigits + hghmsgdigits + 4, " RANGE",
579 curmsgdigits + 4, "CUR",
583 * Print folder information
585 if (all || fshort || ftotal < 1) {
586 for (i = 0; i < total_folders; i++) {
588 printf ("%s\n", fi[i].name);
592 /* Add `+' to end of name, if folder is current */
593 if (strcmp (folder, fi[i].name))
594 snprintf (tmpname, sizeof(tmpname), "%s", fi[i].name);
596 snprintf (tmpname, sizeof(tmpname), "%s+", fi[i].name);
599 printf ("%-*s is unreadable\n", maxlen+1, tmpname);
603 printf ("%-*s ", maxlen+1, tmpname);
605 curprinted = 0; /* remember if we print cur */
606 if (fi[i].nummsg == 0) {
607 printf ("has %*s messages%*s",
609 fi[i].others ? lowmsgdigits + hghmsgdigits + 5 : 0, "");
611 printf ("has %*d message%s (%*d-%*d)",
612 nummsgdigits, fi[i].nummsg,
613 (fi[i].nummsg == 1) ? " " : "s",
614 lowmsgdigits, fi[i].lowmsg,
615 hghmsgdigits, fi[i].hghmsg);
616 if (fi[i].curmsg >= fi[i].lowmsg && fi[i].curmsg <= fi[i].hghmsg) {
618 printf ("; cur=%*d", curmsgdigits, fi[i].curmsg);
623 printf (";%*s (others)", curprinted ? 0 : curmsgdigits + 6, "");
629 * Print folder/message totals
631 if (ftotal > 0 || (all && !fshort && ftotal >= 0)) {
634 printf ("TOTAL = %d message%c in %d folder%s.\n",
635 total_msgs, total_msgs != 1 ? 's' : ' ',
636 total_folders, total_folders != 1 ? "s" : "");
643 * Set the current message and sychronize sequences
647 sfold (struct msgs *mp, char *msg)
649 /* parse the message range/sequence/name and set SELECTED */
650 if (!m_convert (mp, msg))
653 if (mp->numsel > 1) {
654 admonish (NULL, "only one message at a time!");
657 seq_setprev (mp); /* set the previous-sequence */
658 seq_setcur (mp, mp->lowsel);/* set current message */
659 seq_save (mp); /* synchronize message sequences */
660 context_save (); /* save the context file */
675 cp = name + strlen (name);
680 * A hack to skip over a leading
681 * "./" in folder names.
683 base = strcmp (name, "./") ? name : name + 2;
685 /* short-cut to see if directory has any sub-directories */
686 if (stat (name, &st) != -1 && st.st_nlink == 2)
689 if (!(dd = opendir (name))) {
690 admonish (name, "unable to read directory ");
695 * Keep track of the number of directories we've seen
696 * so we can quit stat'ing early, if we've seen them all.
700 while (nlink && (dp = readdir (dd))) {
701 if (!strcmp (dp->d_name, ".") || !strcmp (dp->d_name, "..")) {
705 if (cp + NLENGTH(dp) + 2 >= name + BUFSIZ)
707 strcpy (cp, dp->d_name);
708 if (stat (name, &st) != -1 && S_ISDIR(st.st_mode)) {
710 * Check if this was really a symbolic link pointing at
711 * a directory. If not, then decrement link count.
713 if (lstat (name, &st) == -1)
724 * Add the folder name into the
725 * list in a sorted fashion.
734 /* if necessary, reallocate the space for folder names */
735 if (foldp >= maxfolders) {
736 maxfolders += NUMFOLDERS;
737 folds = mh_xrealloc (folds, maxfolders * sizeof(char *));
741 for (i = start; i < foldp; i++)
742 if (compare (cp, folds[i]) < 0) {
743 for (j = foldp - 1; j >= i; j--)
744 folds[j + 1] = folds[j];
755 compare (char *s1, char *s2)
760 if ((i = *s1++ - *s2++))
767 * Do the read only folders
771 readonly_folders (void)
775 register struct node *np;
777 snprintf (atrcur, sizeof(atrcur), "atr-%s-", current);
778 atrlen = strlen (atrcur);
780 for (np = m_defs; np; np = np->n_next)
781 if (ssequal (atrcur, np->n_name)
782 && !ssequal (nmhdir, np->n_name + atrlen))
783 get_folder_info (np->n_name + atrlen, NULL);