/* trim - trim character from a string */
LOCAL LVAL trim(int fcn)
{
unsigned char *leftp,*rightp,*dstp;
LVAL bag,src,dst;
/* get the bag and the string */
bag = xlgastring();
src = xlgastring();
xllastarg();
/* setup the string pointers */
leftp = getstring(src);
rightp = leftp + getslength(src) - 2;
/* trim leading characters */
if (fcn & TLEFT)
while (leftp <= rightp && inbag(*leftp,bag))
++leftp;
/* trim character from the right */
if (fcn & TRIGHT)
while (rightp >= leftp && inbag(*rightp,bag))
--rightp;
/* make a destination string and setup the pointer */
dst = new_string((int)(rightp-leftp+2));
dstp = getstring(dst);
/* copy the source to the destination */
while (leftp <= rightp)
*dstp++ = *leftp++;
*dstp = '\0';
/* return the new string */
return (dst);
}
bool Bag::insert(User *value) {
if (!inbag(value))
data.push_back(value);
return true;
}