static bool RlistItemMACLess(void *lhs, void *rhs, ARG_UNUSED void *ctx)
{
int bytes = 6;
unsigned char left[bytes], right[bytes];
int matched_left = 6 == ParseEtherAddress(RlistScalarValue((Rlist*)lhs), left);
int matched_right = 6 == ParseEtherAddress(RlistScalarValue((Rlist*)rhs), right);
if (matched_left && matched_right)
{
int difference = memcmp(left, right, bytes);
if (difference != 0) return difference < 0;
}
if (matched_left)
{
return false;
}
if (matched_right)
{
return true;
}
// neither item matched
return RlistItemLess(lhs, rhs, ctx);
}
static bool RlistItemNumberLess(void *lhs, void *rhs, ARG_UNUSED void *ctx, bool int_mode)
{
char remainder[CF_BUFSIZE];
double left;
double right;
int matched_left = sscanf(RlistScalarValue((Rlist*)lhs), "%lf", &left);
int matched_right = sscanf(RlistScalarValue((Rlist*)rhs), "%lf", &right);
if (!matched_left)
{
matched_left = sscanf(RlistScalarValue((Rlist*)lhs), "%lf%s", &left, remainder);
}
if (!matched_right)
{
matched_right = sscanf(RlistScalarValue((Rlist*)rhs), "%lf%s", &right, remainder);
}
if (matched_left && matched_right)
{
if (int_mode)
{
return ((long int)left) - ((long int)right) < 0;
}
else
{
return left - right < 0;
}
}
if (matched_left)
{
return false;
}
if (matched_right)
{
return true;
}
// neither item matched
return RlistItemLess(lhs, rhs, ctx);
}
static bool RlistItemIPLess(void *lhs, void *rhs, ARG_UNUSED void *ctx)
{
const char *left_item = RlistScalarValue((Rlist*)lhs);
const char *right_item = RlistScalarValue((Rlist*)rhs);
Buffer *left_buffer = BufferNewFrom(left_item, strlen(left_item));
Buffer *right_buffer = BufferNewFrom(right_item, strlen(right_item));
IPAddress *left = IPAddressNew(left_buffer);
IPAddress *right = IPAddressNew(right_buffer);
bool matched_left = left != NULL;
bool matched_right = right != NULL;
BufferDestroy(&left_buffer);
BufferDestroy(&right_buffer);
if (matched_left && matched_right)
{
int less = IPAddressCompareLess(left, right);
IPAddressDestroy(&left);
IPAddressDestroy(&right);
return less;
}
IPAddressDestroy(&left);
IPAddressDestroy(&right);
if (matched_left)
{
return false;
}
if (matched_right)
{
return true;
}
// neither item matched
return RlistItemLess(lhs, rhs, ctx);
}
bool GenericItemLess(const char *sort_type, void *lhs, void *rhs)
{
if (strcmp(sort_type, "int") == 0)
{
return RlistItemNumberLess(lhs, rhs, NULL, true);
}
else if (strcmp(sort_type, "real") == 0)
{
return RlistItemNumberLess(lhs, rhs, NULL, false);
}
else if (strcmp(sort_type, "IP") == 0 || strcmp(sort_type, "ip") == 0)
{
return RlistItemIPLess(lhs, rhs, NULL);
}
else if (strcmp(sort_type, "MAC") == 0 || strcmp(sort_type, "mac") == 0)
{
return RlistItemMACLess(lhs, rhs, NULL);
}
// "lex"
return RlistItemLess(lhs, rhs, NULL);
}
