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-rw-r--r--libmailutils/msgset/create.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/libmailutils/msgset/create.c b/libmailutils/msgset/create.c
new file mode 100644
index 000000000..0f70ab265
--- /dev/null
+++ b/libmailutils/msgset/create.c
@@ -0,0 +1,60 @@
+/* GNU Mailutils -- a suite of utilities for electronic mail
+ Copyright (C) 2011 Free Software Foundation, Inc.
+
+ GNU Mailutils is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ GNU Mailutils is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include <stdlib.h>
+#include <mailutils/types.h>
+#include <mailutils/errno.h>
+#include <mailutils/list.h>
+#include <mailutils/msgset.h>
+#include <mailutils/sys/msgset.h>
+
+/* Comparator function used to locate a message in the list. Second argument
+ (b) is a pointer to the message number. */
+static int
+compare_msgnum (const void *a, const void *b)
+{
+ struct mu_msgrange const *range = a;
+ size_t msgno = *(size_t*)b;
+
+ if (range->msg_beg <= msgno && msgno <= range->msg_end)
+ return 0;
+ return 1;
+}
+
+int
+mu_msgset_create (mu_msgset_t *pres, mu_mailbox_t mbox, int flags)
+{
+ mu_msgset_t msgset;
+ int rc;
+
+ msgset = calloc (1, sizeof (*msgset));
+ if (!msgset)
+ return ENOMEM;
+
+ rc = mu_list_create (&msgset->list);
+ if (rc)
+ {
+ free (msgset);
+ return rc;
+ }
+ mu_list_set_destroy_item (msgset->list, mu_list_free_item);
+ mu_list_set_comparator (msgset->list, compare_msgnum);
+ msgset->mbox = mbox;
+ msgset->flags = flags & _MU_MSGSET_USERFLAG_MASK;
+ *pres = msgset;
+ return 0;
+}

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