+/* Prepares commands for all messages matching conditions (must be flushed
+ * with imap_exec)
+ * Params:
+ * idata: IMAP_DATA containing context containing header set
+ * pre, post: commands are of the form "%s %s %s %s", tag,
+ * pre, message set, post
+ * flag: enum of flag type on which to filter
+ * changed: include only changed messages in message set
+ * invert: invert sense of flag, eg M_READ matches unread messages
+ * Returns: number of matched messages, or -1 on failure */
+int imap_exec_msgset (IMAP_DATA* idata, const char* pre, const char* post,
+ int flag, int changed, int invert)
+{
+ HEADER** hdrs = NULL;
+ short oldsort;
+ BUFFER* cmd;
+ int pos;
+ int rc;
+ int count = 0;
+
+ if (! (cmd = mutt_buffer_init (NULL)))
+ {
+ dprint (1, (debugfile, "imap_exec_msgset: unable to allocate buffer\n"));
+ return -1;
+ }
+
+ /* We make a copy of the headers just in case resorting doesn't give
+ exactly the original order (duplicate messages?), because other parts of
+ the ctx are tied to the header order. This may be overkill. */
+ oldsort = Sort;
+ if (Sort != SORT_ORDER)
+ {
+ hdrs = idata->ctx->hdrs;
+ idata->ctx->hdrs = safe_malloc (idata->ctx->msgcount * sizeof (HEADER*));
+ memcpy (idata->ctx->hdrs, hdrs, idata->ctx->msgcount * sizeof (HEADER*));
+
+ Sort = SORT_ORDER;
+ qsort (idata->ctx->hdrs, idata->ctx->msgcount, sizeof (HEADER*),
+ mutt_get_sort_func (SORT_ORDER));
+ }
+
+ pos = 0;
+
+ do
+ {
+ cmd->dptr = cmd->data;
+ mutt_buffer_printf (cmd, "%s ", pre);
+ rc = imap_make_msg_set (idata, cmd, flag, changed, invert, &pos);
+ if (rc > 0)
+ {
+ mutt_buffer_printf (cmd, " %s", post);
+ if (imap_exec (idata, cmd->data, IMAP_CMD_QUEUE))
+ {
+ rc = -1;
+ goto out;
+ }
+ count += rc;
+ }
+ }
+ while (rc > 0);
+
+ rc = count;
+
+out:
+ mutt_buffer_free (&cmd);
+ if (oldsort != Sort)
+ {
+ Sort = oldsort;
+ FREE (&idata->ctx->hdrs);
+ idata->ctx->hdrs = hdrs;
+ }
+
+ return rc;
+}
+
projects / software / mutt-debian.git / blobdiff