* -- push/pop a folder onto/from the folder stack
* -- list the folder stack
*
- * $Id$
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
+ * This code is Copyright (c) 2002, 2008, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
+#include <h/crawl_folders.h>
#include <h/utils.h>
-#include <errno.h>
-
-static struct swit switches[] = {
-#define ALLSW 0
- { "all", 0 },
-#define NALLSW 1
- { "noall", 0 },
-#define CREATSW 2
- { "create", 0 },
-#define NCREATSW 3
- { "nocreate", 0 },
-#define FASTSW 4
- { "fast", 0 },
-#define NFASTSW 5
- { "nofast", 0 },
-#define HDRSW 6
- { "header", 0 },
-#define NHDRSW 7
- { "noheader", 0 },
-#define PACKSW 8
- { "pack", 0 },
-#define NPACKSW 9
- { "nopack", 0 },
-#define VERBSW 10
- { "verbose", 0 },
-#define NVERBSW 11
- { "noverbose", 0 },
-#define RECURSW 12
- { "recurse", 0 },
-#define NRECRSW 13
- { "norecurse", 0 },
-#define TOTALSW 14
- { "total", 0 },
-#define NTOTLSW 15
- { "nototal", 0 },
-#define LISTSW 16
- { "list", 0 },
-#define NLISTSW 17
- { "nolist", 0 },
-#define PRNTSW 18
- { "print", 0 },
-#define NPRNTSW 19
- { "noprint", -4 },
-#define PUSHSW 20
- { "push", 0 },
-#define POPSW 21
- { "pop", 0 },
-#define VERSIONSW 22
- { "version", 0 },
-#define HELPSW 23
- { "help", 0 },
- { NULL, 0 }
-};
+
+#define FOLDER_SWITCHES \
+ X("all", 0, ALLSW) \
+ X("noall", 0, NALLSW) \
+ X("create", 0, CREATSW) \
+ X("nocreate", 0, NCREATSW) \
+ X("fast", 0, FASTSW) \
+ X("nofast", 0, NFASTSW) \
+ X("header", 0, HDRSW) \
+ X("noheader", 0, NHDRSW) \
+ X("pack", 0, PACKSW) \
+ X("nopack", 0, NPACKSW) \
+ X("verbose", 0, VERBSW) \
+ X("noverbose", 0, NVERBSW) \
+ X("recurse", 0, RECURSW) \
+ X("norecurse", 0, NRECRSW) \
+ X("total", 0, TOTALSW) \
+ X("nototal", 0, NTOTLSW) \
+ X("list", 0, LISTSW) \
+ X("nolist", 0, NLISTSW) \
+ X("print", 0, PRNTSW) \
+ X("noprint", 0, NPRNTSW) \
+ X("push", 0, PUSHSW) \
+ X("pop", 0, POPSW) \
+ X("version", 0, VERSIONSW) \
+ X("help", 0, HELPSW) \
+
+#define X(sw, minchars, id) id,
+DEFINE_SWITCH_ENUM(FOLDER);
+#undef X
+
+#define X(sw, minchars, id) { sw, minchars, id },
+DEFINE_SWITCH_ARRAY(FOLDER, switches);
+#undef X
static int fshort = 0; /* output only folder names */
static int fcreat = 0; /* should we ask to create new folders? */
static int total_folders = 0; /* total number of folders */
-static int start = 0;
-static int foldp = 0;
-
static char *nmhdir;
static char *stack = "Folder-Stack";
static char folder[BUFSIZ];
-#define NUMFOLDERS 100
-
-/*
- * This is how many folders we currently can hold in the array
- * `folds'. We increase this amount by NUMFOLDERS at a time.
- */
-static int maxfolders;
-static char **folds;
-
/*
* Structure to hold information about
* folders as we scan them.
/*
* static prototypes
*/
-static void dodir (char *);
static int get_folder_info (char *, char *);
+static crawl_callback_t get_folder_info_callback;
static void print_folders (void);
static int sfold (struct msgs *, char *);
-static void addir (char *);
-static void addfold (char *);
-static int compare (char *, char *);
static void readonly_folders (void);
+/*
+ * Function for printing error message if folder does not exist with
+ * -nocreate.
+ */
+static
+void
+nonexistent_folder (int status) {
+ NMH_UNUSED (status);
+ adios (NULL, "folder %s does not exist", folder);
+}
+
int
main (int argc, char **argv)
char *cp, *dp, *msg = NULL, *argfolder = NULL;
char **ap, **argp, buf[BUFSIZ], **arguments;
-#ifdef LOCALE
- setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
+ if (nmh_init(argv[0], 1)) { return 1; }
/*
* If program was invoked with name ending
* in `s', then add switch `-all'.
*/
- if (argv[0][strlen (argv[0]) - 1] == 's')
- all = 1;
+ all = HasSuffixC(argv[0], 's');
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
snprintf (buf, sizeof(buf), "%s [+folder] [msg] [switches]",
invo_name);
print_help (buf, switches, 1);
- done (1);
+ done (0);
case VERSIONSW:
print_version(invo_name);
- done (1);
+ done (0);
case ALLSW:
all = 1;
/* If no folder is given, the current folder and */
/* the top of the folder stack are swapped. */
if ((cp = context_find (stack))) {
- dp = getcpy (cp);
+ dp = mh_xstrdup(cp);
ap = brkstring (dp, " ", "\n");
argfolder = getcpy(*ap++);
} else {
if (argfolder)
adios (NULL, "sorry, no folders allowed with -pop");
if ((cp = context_find (stack))) {
- dp = getcpy (cp);
+ dp = mh_xstrdup(cp);
ap = brkstring (dp, " ", "\n");
argfolder = getcpy(*ap++);
} else {
/* Listing the folder stack */
if (listsw) {
- printf ("%s", argfolder ? argfolder : getfolder (1));
+ fputs(argfolder ? argfolder : getfolder (1), stdout);
if ((cp = context_find (stack))) {
- dp = getcpy (cp);
+ dp = mh_xstrdup(cp);
for (ap = brkstring (dp, " ", "\n"); *ap; ap++)
printf (" %s", *ap);
free (dp);
}
- printf ("\n");
+ putchar('\n');
if (!printsw)
done (0);
}
- /* Allocate initial space to record folder names */
- maxfolders = NUMFOLDERS;
- folds = mh_xmalloc (maxfolders * sizeof(char *));
-
/* Allocate initial space to record folder information */
- maxFolderInfo = NUMFOLDERS;
+ maxFolderInfo = CRAWL_NUMFOLDERS;
fi = mh_xmalloc (maxFolderInfo * sizeof(*fi));
/*
* Scan the folders
*/
+ /* change directory to base of nmh directory for crawl_folders */
+ if (chdir (nmhdir) == NOTOK)
+ adios (nmhdir, "unable to change directory to");
if (all || ftotal > 0) {
/*
* If no folder is given, do them all
admonish (NULL, "no folder given for message %s", msg);
readonly_folders (); /* do any readonly folders */
strncpy (folder, (cp = context_find (pfolder)) ? cp : "", sizeof(folder));
- dodir (".");
+ crawl_folders (".", get_folder_info_callback, NULL);
} else {
strncpy (folder, argfolder, sizeof(folder));
if (get_folder_info (argfolder, msg)) {
* we still need to list all level-1 sub-folders.
*/
if (!frecurse)
- dodir (folder);
+ crawl_folders (folder, get_folder_info_callback, NULL);
}
} else {
strncpy (folder, argfolder ? argfolder : getfolder (1), sizeof(folder));
* Check if folder exists. If not, then see if
* we should create it, or just exit.
*/
- create_folder (m_maildir (folder), fcreat, done);
+ create_folder (m_maildir (folder), fcreat, nonexistent_folder);
if (get_folder_info (folder, msg) && argfolder) {
/* update current folder */
return 1;
}
-/*
- * Base routine for scanning a folder
- */
-
-static void
-dodir (char *dir)
-{
- int i;
- int os = start;
- int of = foldp;
- char buffer[BUFSIZ];
-
- start = foldp;
-
- /* change directory to base of nmh directory */
- if (chdir (nmhdir) == NOTOK)
- adios (nmhdir, "unable to change directory to");
-
- addir (strncpy (buffer, dir, sizeof(buffer)));
-
- for (i = start; i < foldp; i++) {
- get_folder_info (folds[i], NULL);
- fflush (stdout);
- }
-
- start = os;
- foldp = of;
-}
-
static int
-get_folder_info (char *fold, char *msg)
+get_folder_info_body (char *fold, char *msg, boolean *crawl_children)
{
int i, retval = 1;
- char *mailfile;
struct msgs *mp = NULL;
i = total_folders++;
* for folder information
*/
if (total_folders >= maxFolderInfo) {
- maxFolderInfo += NUMFOLDERS;
+ maxFolderInfo += CRAWL_NUMFOLDERS;
fi = mh_xrealloc (fi, maxFolderInfo * sizeof(*fi));
}
fi[i].others = 0;
fi[i].error = 0;
- mailfile = m_maildir (fold);
+ if ((ftotal > 0) || !fshort || msg || fpack) {
+ /*
+ * create message structure and get folder info
+ */
+ if (!(mp = folder_read (fold, fpack))) {
+ admonish (NULL, "unable to read folder %s", fold);
+ *crawl_children = FALSE;
+ return 0;
+ }
- if (!chdir (mailfile)) {
- if ((ftotal > 0) || !fshort || msg || fpack) {
- /*
- * create message structure and get folder info
- */
- if (!(mp = folder_read (fold))) {
- admonish (NULL, "unable to read folder %s", fold);
- return 0;
+ /* set the current message */
+ if (msg && !sfold (mp, msg))
+ retval = 0;
+
+ if (fpack) {
+ if (folder_pack (&mp, fverb) == -1) {
+ *crawl_children = FALSE; /* to please clang static analyzer */
+ done (1);
}
+ seq_save (mp); /* synchronize the sequences */
+ context_save (); /* save the context file */
+ }
- /* set the current message */
- if (msg && !sfold (mp, msg))
- retval = 0;
+ /* record info for this folder */
+ if ((ftotal > 0) || !fshort) {
+ fi[i].nummsg = mp->nummsg;
+ fi[i].curmsg = mp->curmsg;
+ fi[i].lowmsg = mp->lowmsg;
+ fi[i].hghmsg = mp->hghmsg;
+ fi[i].others = other_files (mp);
+ }
- if (fpack) {
- if (folder_pack (&mp, fverb) == -1)
- done (1);
- seq_save (mp); /* synchronize the sequences */
- context_save (); /* save the context file */
- }
+ folder_free (mp); /* free folder/message structure */
+ }
- /* record info for this folder */
- if ((ftotal > 0) || !fshort) {
- fi[i].nummsg = mp->nummsg;
- fi[i].curmsg = mp->curmsg;
- fi[i].lowmsg = mp->lowmsg;
- fi[i].hghmsg = mp->hghmsg;
- fi[i].others = other_files (mp);
- }
+ *crawl_children = (frecurse && (fshort || fi[i].others)
+ && (fi[i].error == 0));
+ return retval;
+}
- folder_free (mp); /* free folder/message structure */
- }
- } else {
- fi[i].error = 1;
+static boolean
+get_folder_info_callback (char *fold, void *baton)
+{
+ boolean crawl_children;
+ NMH_UNUSED (baton);
+
+ get_folder_info_body (fold, NULL, &crawl_children);
+ fflush (stdout);
+ return crawl_children;
+}
+
+static int
+get_folder_info (char *fold, char *msg)
+{
+ boolean crawl_children;
+ int retval;
+
+ retval = get_folder_info_body (fold, msg, &crawl_children);
+
+ if (crawl_children) {
+ crawl_folders (fold, get_folder_info_callback, NULL);
}
- if (frecurse && (fshort || fi[i].others) && (fi[i].error == 0))
- dodir (fold);
return retval;
}
if (all || fshort || ftotal < 1) {
for (i = 0; i < total_folders; i++) {
if (fshort) {
- printf ("%s\n", fi[i].name);
+ puts(fi[i].name);
continue;
}
if (fi[i].others)
printf (";%*s (others)", curprinted ? 0 : curmsgdigits + 6, "");
- printf (".\n");
+ puts(".");
}
}
*/
if (ftotal > 0 || (all && !fshort && ftotal >= 0)) {
if (all)
- printf ("\n");
+ putchar('\n');
printf ("TOTAL = %d message%c in %d folder%s.\n",
total_msgs, total_msgs != 1 ? 's' : ' ',
total_folders, total_folders != 1 ? "s" : "");
}
-static void
-addir (char *name)
-{
- int nlink;
- char *base, *cp;
- struct stat st;
- struct dirent *dp;
- DIR * dd;
-
- cp = name + strlen (name);
- *cp++ = '/';
- *cp = '\0';
-
- /*
- * A hack to skip over a leading
- * "./" in folder names.
- */
- base = strcmp (name, "./") ? name : name + 2;
-
- /* short-cut to see if directory has any sub-directories */
- if (stat (name, &st) != -1 && st.st_nlink == 2)
- return;
-
- if (!(dd = opendir (name))) {
- admonish (name, "unable to read directory ");
- return;
- }
-
- /*
- * Keep track of the number of directories we've seen
- * so we can quit stat'ing early, if we've seen them all.
- */
- nlink = st.st_nlink;
-
- while (nlink && (dp = readdir (dd))) {
- if (!strcmp (dp->d_name, ".") || !strcmp (dp->d_name, "..")) {
- nlink--;
- continue;
- }
- if (cp + NLENGTH(dp) + 2 >= name + BUFSIZ)
- continue;
- strcpy (cp, dp->d_name);
- if (stat (name, &st) != -1 && S_ISDIR(st.st_mode)) {
- /*
- * Check if this was really a symbolic link pointing at
- * a directory. If not, then decrement link count.
- */
- if (lstat (name, &st) == -1)
- nlink--;
- addfold (base);
- }
- }
-
- closedir (dd);
- *--cp = '\0';
-}
-
-/*
- * Add the folder name into the
- * list in a sorted fashion.
- */
-
-static void
-addfold (char *fold)
-{
- register int i, j;
- register char *cp;
-
- /* if necessary, reallocate the space for folder names */
- if (foldp >= maxfolders) {
- maxfolders += NUMFOLDERS;
- folds = mh_xrealloc (folds, maxfolders * sizeof(char *));
- }
-
- cp = getcpy (fold);
- for (i = start; i < foldp; i++)
- if (compare (cp, folds[i]) < 0) {
- for (j = foldp - 1; j >= i; j--)
- folds[j + 1] = folds[j];
- foldp++;
- folds[i] = cp;
- return;
- }
-
- folds[foldp++] = cp;
-}
-
-
-static int
-compare (char *s1, char *s2)
-{
- register int i;
-
- while (*s1 || *s2)
- if ((i = *s1++ - *s2++))
- return i;
-
- return 0;
-}
-
/*
* Do the read only folders
*/
{
int atrlen;
char atrcur[BUFSIZ];
- register struct node *np;
+ struct node *np;
snprintf (atrcur, sizeof(atrcur), "atr-%s-", current);
atrlen = strlen (atrcur);