--- /dev/null
+/*
+ The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
+ Copyright (C) 2001,2002,2003 Aymeric MOIZARD jack@atosc.org
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <osipparser2/osip_port.h>
+#include <osipparser2/osip_message.h>
+#include <osipparser2/osip_parser.h>
+
+int
+osip_content_length_init (osip_content_length_t ** cl)
+{
+ *cl =
+ (osip_content_length_t *) osip_malloc (sizeof (osip_content_length_t));
+ if (*cl == NULL)
+ return -1;
+ (*cl)->value = NULL;
+ return 0;
+}
+
+/* adds the content_length header to message. */
+/* INPUT : const char *hvalue | value of header. */
+/* OUTPUT: osip_message_t *sip | structure to save results. */
+/* returns -1 on error. */
+int
+osip_message_set_content_length (osip_message_t * sip, const char *hvalue)
+{
+ int i;
+
+ if (hvalue == NULL || hvalue[0] == '\0')
+ return 0;
+
+ if (sip->content_length != NULL)
+ return -1;
+ i = osip_content_length_init (&(sip->content_length));
+ if (i != 0)
+ return -1;
+ sip->message_property = 2;
+ i = osip_content_length_parse (sip->content_length, hvalue);
+ if (i != 0)
+ {
+ osip_content_length_free (sip->content_length);
+ sip->content_length = NULL;
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+osip_content_length_parse (osip_content_length_t * content_length,
+ const char *hvalue)
+{
+ if (strlen (hvalue) + 1 < 2)
+ return -1;
+ content_length->value = (char *) osip_malloc (strlen (hvalue) + 1);
+ if (content_length->value == NULL)
+ return -1;
+ osip_strncpy (content_length->value, hvalue, strlen (hvalue));
+ return 0;
+}
+
+/* returns the content_length header. */
+/* INPUT : osip_message_t *sip | sip message. */
+/* returns null on error. */
+osip_content_length_t *
+osip_message_get_content_length (const osip_message_t * sip)
+{
+ return sip->content_length;
+}
+
+/* returns the content_length header as a string. */
+/* INPUT : osip_content_length_t *content_length | content_length header. */
+/* returns null on error. */
+int
+osip_content_length_to_str (const osip_content_length_t * cl, char **dest)
+{
+ if (cl == NULL)
+ return -1;
+ *dest = osip_strdup (cl->value);
+ return 0;
+}
+
+/* deallocates a osip_content_length_t strcture. */
+/* INPUT : osip_content_length_t *content_length | content_length header. */
+void
+osip_content_length_free (osip_content_length_t * content_length)
+{
+ if (content_length == NULL)
+ return;
+ osip_free (content_length->value);
+ osip_free (content_length);
+}
+
+int
+osip_content_length_clone (const osip_content_length_t * ctl,
+ osip_content_length_t ** dest)
+{
+ int i;
+ osip_content_length_t *cl;
+
+ *dest = NULL;
+ if (ctl == NULL)
+ return -1;
+ /*
+ empty headers are allowed:
+ if (ctl->value==NULL) return -1;
+ */
+ i = osip_content_length_init (&cl);
+ if (i == -1) /* allocation failed */
+ return -1;
+ if (ctl->value != NULL)
+ cl->value = osip_strdup (ctl->value);
+
+ *dest = cl;
+ return 0;
+}