1 files changed, 104 insertions, 0 deletions

diff --git a/libetpan/src/driver/interface/maildriver_types_helper.c b/libetpan/src/driver/interface/maildriver_types_helper.c
new file mode 100644
index 0000000..6e3abf4
--- a/dev/null
+++ b/libetpan/src/driver/interface/maildriver_types_helper.c
@@ -0,0 +1,104 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 200 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ */
+
+#include "maildriver_types_helper.h"
+
+#include "mail.h"
+
+#include "clist.h"
+#include <string.h>
+#include <stdlib.h>
+
+int mail_flags_add_extension(struct mail_flags * flags,
+                             char * ext_flag)
+{
+  char * str;
+  int r;
+
+  if (mail_flags_has_extension(flags, ext_flag))
+    return MAIL_NO_ERROR;
+
+  str = strdup(ext_flag);
+  if (str == NULL)
+    return MAIL_ERROR_MEMORY;
+  
+  r = clist_append(flags->fl_extension, str);
+  if (r < 0) {
+    free(str);
+    return MAIL_ERROR_MEMORY;
+  }
+
+  return MAIL_NO_ERROR;
+}
+
+int mail_flags_remove_extension(struct mail_flags * flags,
+                                char * ext_flag)
+{
+  clistiter * cur;
+  
+  cur = clist_begin(flags->fl_extension);
+  while (cur != NULL) {
+    char * flag_name;
+
+    flag_name = clist_content(cur);
+
+    if (strcasecmp(flag_name, ext_flag) == 0) {
+      free(flag_name);
+      cur = clist_delete(flags->fl_extension, cur);
+    }
+    else
+      cur = clist_next(cur);
+  }
+
+  return MAIL_NO_ERROR;
+}
+
+int mail_flags_has_extension(struct mail_flags * flags,
+                             char * ext_flag)
+{
+  clistiter * cur;
+
+  for(cur = clist_begin(flags->fl_extension) ; cur != NULL ;
+      cur = clist_next(cur)) {
+    char * flag_name;
+
+    flag_name = clist_content(cur);
+
+    if (strcasecmp(flag_name, ext_flag) == 0)
+      return TRUE;
+  }
+
+  return FALSE;
+}