sip_extra.h

Sofia SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification.

  va_list ap;
  
  va_start(ap, fmt);
  h = sip_header_vformat(home, sip_refer_sub_class, fmt, ap);
  va_end(ap);
 
  return (sip_refer_sub_t *)h;
}
#endif

/** @} */

/**@ingroup sip_refer_sub
 *
 * Tag list item for pointer to a @ref sip_refer_sub "Refer-Sub header"
 * structure #sip_refer_sub_t.
 *
 * The SIPTAG_REFER_SUB() macro is used to include a tag item with a
 * pointer to a #sip_refer_sub_t structure in a tag list.
 *
 * @param x pointer to a #sip_refer_sub_t structure, or NULL.
 *
 * The corresponding tag taking reference parameter is 
 * SIPTAG_REFER_SUB_REF().
 *
 * @since New in @NEW_1_12_5.
 *
 * @HIDE
 */
#define SIPTAG_REFER_SUB(x) siptag_refer_sub, siptag_refer_sub_v(x)

SOFIAPUBVAR tag_typedef_t siptag_refer_sub;

/**@ingroup sip_refer_sub
 * Tag list item for reference to a 
 * @ref sip_refer_sub "Refer-Sub header" pointer.
 */
#define SIPTAG_REFER_SUB_REF(x) siptag_refer_sub_ref, siptag_refer_sub_vr(&(x))
SOFIAPUBVAR tag_typedef_t siptag_refer_sub_ref;

/**@ingroup sip_refer_sub
 *
 * Tag list item for string with @ref sip_refer_sub "Refer-Sub header" value.
 *
 * The SIPTAG_REFER_SUB_STR() macro is used to include a tag item with a 
 * string containing value of a #sip_refer_sub_t header in a tag list.
 *
 * @param s pointer to a string containing 
 *    @ref sip_refer_sub "Refer-Sub header" value, or NULL.
 *
 * The string in SIPTAG_REFER_SUB_STR() can be converted to a
 * #sip_refer_sub_t header structure by giving the string @a s has
 * second argument to function sip_refer_sub_make().
 *
 * The corresponding tag taking reference parameter is 
 * SIPTAG_REFER_SUB_STR_REF().
 *
 * @since New in @NEW_1_12_5.
 *
 * @HIDE
 */
#define SIPTAG_REFER_SUB_STR(s) siptag_refer_sub_str, tag_str_v(s)

SOFIAPUBVAR tag_typedef_t siptag_refer_sub_str;

/**@ingroup sip_refer_sub
 * Tag list item for reference to a
 * @ref sip_refer_sub "Refer-Sub header" string.
 */
#define SIPTAG_REFER_SUB_STR_REF(x) siptag_refer_sub_str_ref, tag_str_vr(&(x))
SOFIAPUBVAR tag_typedef_t siptag_refer_sub_str_ref;

#if SU_INLINE_TAG_CAST
su_inline tag_value_t
siptag_refer_sub_v(sip_refer_sub_t const *v)
{ return (tag_value_t)v; }
su_inline tag_value_t
siptag_refer_sub_vr(sip_refer_sub_t const **vp)
{ return (tag_value_t)vp; }
#else
#define siptag_refer_sub_v(v)   (tag_value_t)(v)
#define siptag_refer_sub_vr(vp) (tag_value_t)(vp)
#endif

/** Defined as 1 if the @ref sip_alert_info "Alert-Info header" is supported */
#define SIP_HAVE_ALERT_INFO 1


enum { 
  /**@ingroup sip_alert_info @internal 
   *
   * Hash of @ref sip_alert_info "Alert-Info header".
   *
   * @since New in @NEW_1_12_7.
   */
  sip_alert_info_hash = 53913 
};

/**Header class for @ref sip_alert_info "Alert-Info header".
 * 
 * The header class sip_alert_info_class defines how a SIP
 * @ref sip_alert_info "Alert-Info header" is parsed and printed.
 * It also contains methods used by SIP parser and other functions to
 * manipulate the #sip_alert_info_t header structure.
 *
 * @ingroup sip_alert_info
 *
 * @since New in @NEW_1_12_7.
 */
SIP_DLL extern msg_hclass_t sip_alert_info_class[];


/**@addtogroup sip_alert_info
 * @{
 */

/** Parse a SIP @ref sip_alert_info "Alert-Info header". @internal */
SOFIAPUBFUN issize_t sip_alert_info_d(su_home_t *, msg_header_t *,
				       char *s, isize_t slen);

/** Print a SIP @ref sip_alert_info "Alert-Info header". @internal */
SOFIAPUBFUN issize_t sip_alert_info_e(char b[], isize_t bsiz,
                    	            msg_header_t const *h, int flags);

/**Access a SIP @ref sip_alert_info "Alert-Info header"
 * structure #sip_alert_info_t from #sip_t.
 * 
 * @since New in @NEW_1_12_7.
 */
#define sip_alert_info(sip) \
  ((sip_alert_info_t *)msg_header_access((msg_pub_t*)(sip), sip_alert_info_class))

/**Initializer for structure #sip_alert_info_t.
 * 
 * A static #sip_alert_info_t structure for
 * @ref sip_alert_info "Alert-Info header" must be initialized with
 * the SIP_ALERT_INFO_INIT() macro. 
 * For instance,
 * @code 
 * 
 *  sip_alert_info_t sip_alert_info = SIP_ALERT_INFO_INIT;
 * 
 * @endcode
 * @HI
 *
 * @since New in @NEW_1_12_7.
 */
#define SIP_ALERT_INFO_INIT() SIP_HDR_INIT(alert_info)

/**Initialize a structure #sip_alert_info_t.
 * 
 * An #sip_alert_info_t structure for
 * @ref sip_alert_info "Alert-Info header" can be initialized with the
 * sip_alert_info_init() function/macro. For instance,
 * @code
 * 
 *  sip_alert_info_t sip_alert_info;
 * 
 *  sip_alert_info_init(&sip_alert_info);
 * 
 * @endcode
 * @HI
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline sip_alert_info_t *sip_alert_info_init(sip_alert_info_t x[1])
{
  return SIP_HEADER_INIT(x, sip_alert_info_class, sizeof(sip_alert_info_t));
}
#else
#define sip_alert_info_init(x) \
  SIP_HEADER_INIT(x, sip_alert_info_class, sizeof(sip_alert_info_t))
#endif

/**Test if header object is instance of #sip_alert_info_t.
 * 
 * Check if the header class is an instance of
 * @ref sip_alert_info "Alert-Info header" object and return true (nonzero),
 * otherwise return false (zero).
 * 
 * @param header pointer to the header structure to be tested
 * 
 * @retval 1 (true) if the @a header is an instance of header alert_info 
 * @retval 0 (false) otherwise
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline int sip_is_alert_info(sip_header_t const *header)
{
  return header && header->sh_class->hc_hash == sip_alert_info_hash;
}
#else
int sip_is_alert_info(sip_header_t const *header);
#endif

#define sip_alert_info_p(h) sip_is_alert_info((h))


/**Duplicate a list of @ref sip_alert_info "Alert-Info header" header structures #sip_alert_info_t.
 * 
 * Duplicate a header
 * structure @a hdr.  If the header structure @a hdr
 * contains a reference (@c hdr->x_next) to a list of
 * headers, all the headers in the list are duplicated, too.
 * 
 * @param home  memory home used to allocate new structure
 * @param hdr   header structure to be duplicated
 * 
 * When duplicating, all parameter lists and non-constant
 * strings attached to the header are copied, too.  The
 * function uses given memory @a home to allocate all the
 * memory areas used to copy the header.
 * 
 * @par Example
 * @code
 * 
 *   alert_info = sip_alert_info_dup(home, sip->sip_alert_info);
 * 
 * @endcode
 * 
 * @return
 * A pointer to the
 * newly duplicated #sip_alert_info_t header structure, or NULL
 * upon an error.
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline
#endif
sip_alert_info_t *sip_alert_info_dup(su_home_t *home, sip_alert_info_t const *hdr) 
     __attribute__((__malloc__));

#if SU_HAVE_INLINE
su_inline
sip_alert_info_t *sip_alert_info_dup(su_home_t *home, sip_alert_info_t const *hdr)
{ 
  return (sip_alert_info_t *)
    msg_header_dup_as(home, sip_alert_info_class, (msg_header_t const *)hdr);
}
#endif

/**Copy a list of @ref sip_alert_info "Alert-Info header" header structures #sip_alert_info_t.
 * 
 * The function sip_alert_info_copy() copies a header structure @a
 * hdr.  If the header structure @a hdr contains a reference (@c
 * hdr->h_next) to a list of headers, all the headers in that
 * list are copied, too. The function uses given memory @a home
 * to allocate all the memory areas used to copy the list of header
 * structure @a hdr.
 * 
 * @param home    memory home used to allocate new structure
 * @param hdr     pointer to the header structure to be copied
 * 
 * When copying, only the header structure and parameter lists attached to
 * it are duplicated. The new header structure retains all the references to
 * the strings within the old @a hdr header, including the encoding of the
 * old header, if present.
 * 
 * @par Example
 * @code
 * 
 *   alert_info = sip_alert_info_copy(home, sip->sip_alert_info);
 * 
 * @endcode
 * 
 * @return
 * A pointer to newly copied header structure, or NULL upon an error.
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline
#endif
sip_alert_info_t *sip_alert_info_copy(su_home_t *home, sip_alert_info_t const *hdr) 
     __attribute__((__malloc__));

#if SU_HAVE_INLINE
su_inline
sip_alert_info_t *sip_alert_info_copy(su_home_t *home, sip_alert_info_t const *hdr) 
{ 
  return (sip_alert_info_t *)
    msg_header_copy_as(home, sip_alert_info_class, (msg_header_t const *)hdr); 
}
#endif

/**Make a @ref sip_alert_info "Alert-Info header" structure #sip_alert_info_t.
 * 
 * The function sip_alert_info_make() makes a new
 * #sip_alert_info_t header structure.  It allocates a new
 * header structure, and decodes the string @a s as the
 * value of the structure.
 * 
 * @param home memory home used to allocate new header structure.
 * @param s    string to be decoded as value of the new header structure
 * 
 * @return
 * A pointer to newly maked #sip_alert_info_t header structure, or NULL upon an
 * error.
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline 
#endif
sip_alert_info_t *sip_alert_info_make(su_home_t *home, char const *s)
     __attribute__((__malloc__));

#if SU_HAVE_INLINE
su_inline sip_alert_info_t *sip_alert_info_make(su_home_t *home, char const *s)
{
  return (sip_alert_info_t *)sip_header_make(home, sip_alert_info_class, s);
}
#endif

/**Make a @ref sip_alert_info "Alert-Info header" from formatting result.
 * 
 * Make a new #sip_alert_info_t object using formatting result as its value. 
 * The function first prints the arguments according to the format @a fmt
 * specified. Then it allocates a new header structure, and parses the
 * formatting result to the structure #sip_alert_info_t.
 * 
 * @param home   memory home used to allocate new header structure.
 * @param fmt    string used as a printf()-style format
 * @param ...    argument list for format
 * 
 * @return
 * A pointer to newly
 * makes header structure, or NULL upon an error.
 * 
 * @HIDE
 *
 * @since New in @NEW_1_12_7.
 */
#if SU_HAVE_INLINE
su_inline
#endif
sip_alert_info_t *sip_alert_info_format(su_home_t *home, char const *fmt, ...)
     __attribute__((__malloc__, __format__ (printf, 2, 3)));

#if SU_HAVE_INLINE
su_inline sip_alert_info_t *sip_alert_info_format(su_home_t *home, char const *fmt, ...)
{
  sip_header_t *h;
  va_list ap;
  
  va_start(ap, fmt);
  h = sip_header_vformat(home, sip_alert_info_class, fmt, ap);
  va_end(ap);
 
  return (sip_alert_info_t *)h;
}
#endif

/** @} */

/**@ingroup sip_alert_info
 *
 * Tag list item for pointer to a @ref sip_alert_info "Alert-Info header"
 * structure #sip_alert_info_t.
 *
 * The SIPTAG_ALERT_INFO() macro is used to include a tag item with a
 * pointer to a #sip_alert_info_t structure in a tag list.
 *
 * @param x pointer to a #sip_alert_info_t structure, or NULL.
 *
 * The corresponding tag taking reference parameter is 
 * SIPTAG_ALERT_INFO_REF().
 *
 * @since New in @NEW_1_12_7.
 *
 * @HIDE
 */
#define SIPTAG_ALERT_INFO(x) siptag_alert_info, siptag_alert_info_v(x)

SOFIAPUBVAR tag_typedef_t siptag_alert_info;

/**@ingroup sip_alert_info
 * Tag list item for reference to a 
 * @ref sip_alert_info "Alert-Info header" pointer.
 */
#define SIPTAG_ALERT_INFO_REF(x) siptag_alert_info_ref, siptag_alert_info_vr(&(x))
SOFIAPUBVAR tag_typedef_t siptag_alert_info_ref;

/**@ingroup sip_alert_info
 *
 * Tag list item for string with @ref sip_alert_info "Alert-Info header" value.
 *
 * The SIPTAG_ALERT_INFO_STR() macro is used to include a tag item with a 
 * string containing value of a #sip_alert_info_t header in a tag list.
 *
 * @param s pointer to a string containing 
 *    @ref sip_alert_info "Alert-Info header" value, or NULL.
 *
 * The string in SIPTAG_ALERT_INFO_STR() can be converted to a
 * #sip_alert_info_t header structure by giving the string @a s has
 * second argument to function sip_alert_info_make().
 *
 * The corresponding tag taking reference parameter is 
 * SIPTAG_ALERT_INFO_STR_REF().
 *
 * @since New in @NEW_1_12_7.
 *
 * @HIDE
 */
#define SIPTAG_ALERT_INFO_STR(s) siptag_alert_info_str, tag_str_v(s)

SOFIAPUBVAR tag_typedef_t siptag_alert_info_str;

/**@ingroup sip_alert_info
 * Tag list item for reference to a
 * @ref sip_alert_info "Alert-Info header" string.
 */
#define SIPTAG_ALERT_INFO_STR_REF(x) siptag_alert_info_str_ref, tag_str_vr(&(x))
SOFIAPUBVAR tag_typedef_t siptag_alert_info_str_ref;

#if SU_INLINE_TAG_CAST
su_inline tag_value_t
siptag_alert_info_v(sip_alert_info_t const *v)
{ return (tag_value_t)v; }
su_inline tag_value_t
siptag_alert_info_vr(sip_alert_info_t const **vp)