/*
 * getcvec - get a cvec, remembering it as v->cv
 */
static struct cvec *
getcvec(struct vars * v,		/* context */
		int nchrs,				/* to hold this many chrs... */
		int nranges)			/* ... and this many ranges */
{
	if (v->cv != NULL && nchrs <= v->cv->chrspace &&
		nranges <= v->cv->rangespace)
		return clearcvec(v->cv);

	if (v->cv != NULL)
		freecvec(v->cv);
	v->cv = newcvec(nchrs, nranges);
	if (v->cv == NULL)
		ERR(REG_ESPACE);

	return v->cv;
}
예제 #2
0
/*
 - getcvec - get a cvec, remembering it as v->cv
 ^ static struct cvec *getcvec(struct vars *, int, int);
 */
static struct cvec *
getcvec(
    struct vars *v,		/* context */
    int nchrs,			/* to hold this many chrs... */
    int nranges)		/* ... and this many ranges... */
{
    if ((v->cv != NULL) && (nchrs <= v->cv->chrspace) &&
	    (nranges <= v->cv->rangespace)) {
	return clearcvec(v->cv);
    }

    if (v->cv != NULL) {
	freecvec(v->cv);
    }
    v->cv = newcvec(nchrs, nranges);
    if (v->cv == NULL) {
	ERR(REG_ESPACE);
    }

    return v->cv;
}