int
sdp_message_b_bandwidth_add (sdp_message_t * sdp, int pos_media, char *bwtype,
char *bandwidth)
{
int i;
sdp_media_t *med;
sdp_bandwidth_t *band;
if (sdp == NULL)
return -1;
if ((pos_media != -1) && (osip_list_size (&sdp->m_medias) < pos_media + 1))
return -1;
i = sdp_bandwidth_init (&band);
if (i != 0)
return -1;
band->b_bwtype = bwtype;
band->b_bandwidth = bandwidth;
if (pos_media == -1)
{
osip_list_add (&sdp->b_bandwidths, band, -1);
return 0;
}
med = (sdp_media_t *) osip_list_get (&sdp->m_medias, pos_media);
osip_list_add (&med->b_bandwidths, band, -1);
return 0;
}
int
sdp_message_b_bandwidth_add (sdp_message_t * sdp, int pos_media, char *bwtype, char *bandwidth)
{
int i;
sdp_media_t *med;
sdp_bandwidth_t *band;
if (sdp == NULL)
return OSIP_BADPARAMETER;
if ((pos_media != -1) && (osip_list_size (&sdp->m_medias) < pos_media + 1))
return OSIP_UNDEFINED_ERROR;
i = sdp_bandwidth_init (&band);
if (i != 0)
return i;
band->b_bwtype = bwtype;
band->b_bandwidth = bandwidth;
if (pos_media == -1) {
osip_list_add (&sdp->b_bandwidths, band, -1);
return OSIP_SUCCESS;
}
med = (sdp_media_t *) osip_list_get (&sdp->m_medias, pos_media);
osip_list_add (&med->b_bandwidths, band, -1);
return OSIP_SUCCESS;
}
static int
sdp_message_parse_b (sdp_message_t * sdp, char *buf, char **next)
{
char *equal;
char *crlf;
char *tmp;
char *tmp_next;
int i;
sdp_bandwidth_t *b_header;
*next = buf;
equal = buf;
while ((*equal != '=') && (*equal != '\0'))
equal++;
if (*equal == '\0')
return ERR_ERROR;
/* check if header is "b" */
if (equal[-1] != 'b')
return ERR_DISCARD;
crlf = equal + 1;
while ((*crlf != '\r') && (*crlf != '\n') && (*crlf != '\0'))
crlf++;
if (*crlf == '\0')
return ERR_ERROR;
if (crlf == equal + 1)
return ERR_ERROR; /* b=\r ?? bad header */
tmp = equal + 1;
/* b = bwtype: bandwidth */
i = sdp_bandwidth_init (&b_header);
if (i != 0)
return ERR_ERROR;
/* bwtype is alpha-numeric */
i = __osip_set_next_token (&(b_header->b_bwtype), tmp, ':', &tmp_next);
if (i != 0)
return -1;
tmp = tmp_next;
i = __osip_set_next_token (&(b_header->b_bandwidth), tmp, '\r', &tmp_next);
if (i != 0)
{
i =
__osip_set_next_token (&(b_header->b_bandwidth), tmp, '\n',
&tmp_next);
if (i != 0)
{
sdp_bandwidth_free (b_header);
return -1;
}
}
/* add the bandwidth at the correct place:
if there is no media line yet, then the "b=" is the
global one.
*/
i = osip_list_size (sdp->m_medias);
if (i == 0)
osip_list_add (sdp->b_bandwidths, b_header, -1);
else
{
sdp_media_t *last_sdp_media =
(sdp_media_t *) osip_list_get (sdp->m_medias, i - 1);
osip_list_add (last_sdp_media->b_bandwidths, b_header, -1);
}
if (crlf[1] == '\n')
*next = crlf + 2;
else
*next = crlf + 1;
return WF;
}
