if (end2 != NULL)
	    s2 = end2 + 1;
	else
	    s2 = NULL;

    } while (res == 0 && ((s1 != NULL) && (s2 != NULL)));

    JLI_MemFree(m1);
    JLI_MemFree(m2);
    return (res);
}

/*
 *	Modeled after strcmp(), compare two version-ids for an Exact
 *	Match as defined in JSR 56.
 */
int
JLI_ExactVersionId(char *id1, char *id2)
{
    char	*s1 = JLI_StringDup(id1);
    char	*s2 = JLI_StringDup(id2);
    char	*m1 = s1;
    char	*m2 = s2;
    char	*end1 = NULL;
    char	*end2 = NULL;
    int	res = 0;

    do {

	if ((s1 != NULL) && ((end1 = strpbrk(s1, separators)) != NULL))
	    *end1 = '\0';
	if ((s2 != NULL) && ((end2 = strpbrk(s2, separators)) != NULL))
	    *end2 = '\0';

	if ((s1 != NULL) && (s2 == NULL))
	    res = comp_string(s1, zero_string);
	else if ((s1 == NULL) && (s2 != NULL))
	    res = comp_string(zero_string, s2);
	else
	    res = comp_string(s1, s2);

	if (end1 != NULL)
	    s1 = end1 + 1;
	else
	    s1 = NULL;
	if (end2 != NULL)
	    s2 = end2 + 1;
	else
	    s2 = NULL;

    } while (res == 0 && ((s1 != NULL) || (s2 != NULL)));

    JLI_MemFree(m1);
    JLI_MemFree(m2);
    return (res);
}

/*
 *	Return true if this simple-element (as defined in JSR 56) forms
 *	an acceptable match.
 *
 *	JSR 56 is modified by the Java Web Start <rel> Developer Guide
 *	where it is stated "... Java Web Start will not consider an installed
 *	non-FCS (i.e., milestone) JRE as a match. ... a JRE from Sun
 *	Microsystems, Inc., is by convention a non-FCS (milestone) JRE
 *	if there is a dash (-) in the version string."
 *
 *	An undocumented caveat to the above is that an exact match with a
 *	hyphen is accepted as a development extension.
 *
 *	These modifications are addressed by the specific comparisons
 *	for releases with hyphens.
 */
static int
acceptable_simple_element(char *release, char *simple_element)
{
    char	*modifier;
    modifier = simple_element + strlen(simple_element) - 1;
    if (*modifier == '*') {
	*modifier = '\0';
	if (strchr(release, '-'))
	    return ((strcmp(release, simple_element) == 0)?1:0);
	return ((JLI_PrefixVersionId(release, simple_element) == 0)?1:0);
    } else if (*modifier == '+') {
	*modifier = '\0';
	if (strchr(release, '-'))
	    return ((strcmp(release, simple_element) == 0)?1:0);
	return ((JLI_ExactVersionId(release, simple_element) >= 0)?1:0);
    } else {
	return ((JLI_ExactVersionId(release, simple_element) == 0)?1:0);
    }
}

/*
 *	Return true if this element (as defined in JSR 56) forms
 *	an acceptable match. An element is the intersection (and)
 *	of multiple simple-elements.
 */
static int
acceptable_element(char *release, char *element)