Function pv_parse_branch_index

modules/tm/tm.c:2512–2550

# define BRANCH_IDX_ACTIVE_MASK  (1<<16)
static int pv_parse_branch_index(pv_spec_p sp, const str *in)
{
	#define BRANCH_IDX_SUFFIX_ALL "all"
	#define BRANCH_IDX_SUFFIX_ACTIVE "active"
	char *p;
	str suffix, new_in;
	unsigned int mask = 0;

	if(in==NULL || in->s==NULL || sp==NULL)
		return -1;

	new_in = *in;

	if ( (p=q_memrchr( in->s, '/', in->len))!=NULL) {
		/* we do may have a suffix */
		suffix.s = p+1;
		suffix.len = in->s+in->len - suffix.s;
		if ( (suffix.len==(sizeof(BRANCH_IDX_SUFFIX_ALL)-1)) &&
		strncasecmp(suffix.s,BRANCH_IDX_SUFFIX_ALL,suffix.len)==0) {
			/* ok, this is the default, nothing to change */
			mask = 0;
			new_in.len = p - in->s;
		} else
		if ( (suffix.len==(sizeof(BRANCH_IDX_SUFFIX_ACTIVE)-1)) &&
		strncasecmp(suffix.s,BRANCH_IDX_SUFFIX_ACTIVE,suffix.len)==0) {
			mask = BRANCH_IDX_ACTIVE_MASK;
			new_in.len = p - in->s;
		} else {
			/* just ignore, do not take it into consideration, we do not
			 * know what it is, maybe part of a pvar as index */
		}
	}
	if (pv_parse_index( sp, &new_in)<0)
		return -1;
	sp->pvp.pvi.type |= mask; /* take care and remove this mask BEFORE
	* evaluating the idx with the generic functions (as the type will 
	* not be recognized */
	return 0;
}


static inline int _pv_get_tm_branch_field(struct sip_msg *msg,