1 files changed, 139 insertions, 0 deletions

diff --git a/libical/src/libical/icalattach.c b/libical/src/libical/icalattach.c
new file mode 100644
index 0000000..8da9d43
--- a/dev/null
+++ b/libical/src/libical/icalattach.c
@@ -0,0 +1,139 @@
+/* -*- Mode: C -*-
+  ======================================================================
+  FILE: icalattach.c
+  CREATOR: acampi 28 May 02
+  
+  $Id$
+  $Locker$
+    
+
+ (C) COPYRIGHT 2000, Andrea Campi
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+  The original code is icaltypes.c
+
+ ======================================================================*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "icaltypes.h"
+#include "icalerror.h"
+#include "icalmemory.h"
+#include "icalattachimpl.h"
+#include <stdlib.h> /* for malloc and abs() */
+#include <errno.h> /* for errno */
+#include <string.h> /* for icalmemory_strdup */
+#include <assert.h>
+
+icalattach *
+icalattach_new_from_url (const char *url)
+{
+    icalattach *attach;
+    char *url_copy;
+
+    icalerror_check_arg_rz ((url != NULL), "url");
+
+    if ((attach = malloc (sizeof (icalattach))) == NULL) {
+        errno = ENOMEM;
+        return NULL;
+    }
+
+    if ((url_copy = strdup (url)) == NULL) {
+        free (attach);
+        errno = ENOMEM;
+        return NULL;
+    }
+
+    attach->refcount = 1;
+    attach->is_url = 1;
+    attach->u.url.url = url_copy;
+
+    return attach;
+}
+
+icalattach *
+icalattach_new_from_data (unsigned char *data, icalattach_free_fn_t free_fn,
+                          void *free_fn_data)
+{
+    icalattach *attach;
+
+    icalerror_check_arg_rz ((data != NULL), "data");
+
+    if ((attach = malloc (sizeof (icalattach))) == NULL) {
+        errno = ENOMEM;
+        return NULL;
+    }
+
+    attach->refcount = 1;
+    attach->is_url = 0;
+    attach->u.data.data = data;
+    attach->u.data.free_fn = free_fn;
+    attach->u.data.free_fn_data = free_fn_data;
+
+    return attach;
+}
+
+void
+icalattach_ref (icalattach *attach)
+{
+    icalerror_check_arg_rv ((attach != NULL), "attach");
+    icalerror_check_arg_rv ((attach->refcount > 0), "attach->refcount > 0");
+
+    attach->refcount++;
+}
+
+void
+icalattach_unref (icalattach *attach)
+{
+    icalerror_check_arg_rv ((attach != NULL), "attach");
+    icalerror_check_arg_rv ((attach->refcount > 0), "attach->refcount > 0");
+
+    attach->refcount--;
+
+    if (attach->refcount != 0)
+        return;
+
+    if (attach->is_url)
+        free (attach->u.url.url);
+    else if (attach->u.data.free_fn)
+        (* attach->u.data.free_fn) (attach->u.data.data, attach->u.data.free_fn_data);
+
+    free (attach);
+}
+
+int
+icalattach_get_is_url (icalattach *attach)
+{
+    icalerror_check_arg_rz ((attach != NULL), "attach");
+
+    return attach->is_url ? 1 : 0;
+}
+
+const char *
+icalattach_get_url (icalattach *attach)
+{
+    icalerror_check_arg_rz ((attach != NULL), "attach");
+    icalerror_check_arg_rz ((attach->is_url), "attach->is_url");
+
+    return attach->u.url.url;
+}
+
+unsigned char *
+icalattach_get_data (icalattach *attach)
+{
+    icalerror_check_arg_rz ((attach != NULL), "attach");
+    icalerror_check_arg_rz ((!attach->is_url), "!attach->is_url");
+
+    return attach->u.data.data;
+}