static int cmp_rows(const void *f1, const void *f2)
{
static const signed char sort_order[] =
{ COL_NAME, COL_TIME, COL_SIZE, -1 };
int *r1, *r2;
char *s1, *s2;
int d, c, bits, lvl;
r1 = mdt->fcols + *(int *)f1 * COL_MAX;
r2 = mdt->fcols + *(int *)f2 * COL_MAX;
/* "/ .." Directory always goes first, other dirs next, files last;
* and their type IDs are ordered to reflect that */
s1 = RELREF(r1[COL_NAME]);
s2 = RELREF(r2[COL_NAME]);
if ((d = s1[0] - s2[0])) return (d);
bits = lvl = 0;
c = abs(mdt->fsort) - 1 + COL_NAME;
while (c >= 0)
{
if (bits & (1 << c))
{
c = sort_order[lvl++];
continue;
}
bits |= 1 << c;
s1 = RELREF(r1[c]);
s2 = RELREF(r2[c]);
switch (c)
{
case COL_TYPE:
if ((d = strcollcmp(s1, s2))) break;
continue;
case COL_SIZE:
if ((d = strcmp(s1, s2))) break;
continue;
case COL_TIME:
if ((d = strcmp(s2, s1))) break; // Newest first
continue;
default:
case COL_NAME:
c = case_insensitive ? COL_NOCASE : COL_CASE;
continue;
case COL_NOCASE:
case COL_CASE:
if ((d = strkeycmp(s1, s2))) break;
c = COL_CASE;
continue;
}
break;
}
return (mdt->fsort < 0 ? -d : d);
}
static int pstrcollcmp(const void *a, const void *b) /* UseCollate */
{
return strcollcmp (*(char **)a, *(char**)b);
}