X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Ffolder.c;fp=uip%2Ffolder.c;h=616f57b90c37b025538f4bdf9224de7a9fda461f;hp=b1398e4535e421a005eea6900e0b5ba3bd3a23b2;hb=69b07982861716d278845f962c2f2c1365a3153f;hpb=d4f5f9d551c05931478fcdfb5cd4ac06b419eeda

diff --git a/uip/folder.c b/uip/folder.c
index b1398e4..616f57b 100644
--- a/uip/folder.c
+++ b/uip/folder.c
@@ -109,6 +109,7 @@ static crawl_callback_t get_folder_info_callback;
 static void print_folders(void);
 static int sfold(struct msgs *, char *);
 static void readonly_folders(void);
+static int folder_pack(struct msgs **, int);
 
 
 int
@@ -661,3 +662,96 @@ readonly_folders(void)
 			/* Why do we exclude absolute path names? --meillo */
 			get_folder_info(np->n_name + atrlen, NULL);
 }
+
+
+/*
+** pack (renumber) the messages in a folder
+** into a contiguous range from 1 to n.
+** Return -1 if error, else return 0.
+*/
+static int
+folder_pack(struct msgs **mpp, int verbose)
+{
+	int hole, msgnum, newcurrent = 0;
+	char newmsg[BUFSIZ], oldmsg[BUFSIZ];
+	struct msgs *mp;
+
+	mp = *mpp;
+
+	/*
+	** Just return if folder is empty.
+	*/
+	if (mp->nummsg == 0)
+		return 0;
+
+	/*
+	** Make sure we have message status space allocated
+	** for all numbers from 1 to current high message.
+	*/
+	if (mp->lowoff > 1) {
+		if ((mp = folder_realloc(mp, 1, mp->hghmsg)))
+			*mpp = mp;
+		else {
+			advise(NULL, "unable to allocate folder storage");
+			return -1;
+		}
+	}
+
+	for (msgnum = mp->lowmsg, hole = 1; msgnum <= mp->hghmsg; msgnum++) {
+		if (does_exist(mp, msgnum)) {
+			if (msgnum != hole) {
+				strncpy(newmsg, m_name(hole), sizeof(newmsg));
+				strncpy(oldmsg, m_name(msgnum), sizeof(oldmsg));
+				if (verbose)
+					printf("message %s becomes %s\n", oldmsg, newmsg);
+
+				/*
+				** Invoke the external refile hook for each
+				** message being renamed.  This is done
+				** before the file is renamed so that the
+				** old message file is around for the hook.
+				*/
+
+				snprintf(oldmsg, sizeof (oldmsg), "%s/%d",
+						mp->foldpath, msgnum);
+				snprintf(newmsg, sizeof (newmsg), "%s/%d",
+						mp->foldpath, hole);
+				ext_hook("ref-hook", oldmsg, newmsg);
+
+				/* move the message file */
+				if (rename(oldmsg, newmsg) == -1) {
+					advise(newmsg, "unable to rename %s to", oldmsg);
+					return -1;
+				}
+
+				/* check if this is the current message */
+				if (msgnum == mp->curmsg)
+					newcurrent = hole;
+
+				/* copy the attribute flags for this message */
+				copy_msg_flags(mp, hole, msgnum);
+
+				if (msgnum == mp->lowsel)
+					mp->lowsel = hole;
+				if (msgnum == mp->hghsel)
+					mp->hghsel = hole;
+
+				/*
+				** mark that sequence information has
+				** been modified
+				*/
+				mp->msgflags |= SEQMOD;
+			}
+			hole++;
+		}
+	}
+
+	/* record the new number for the high/low message */
+	mp->lowmsg = 1;
+	mp->hghmsg = hole - 1;
+
+	if (newcurrent)
+		seq_setcur(mp, newcurrent);
+
+	return 0;
+}