}
always_inline uword *
-clfib_bitmap_set_region (uword * bitmap, uword i, uword value, uword n_bits)
+clib_bitmap_set_region (uword * bitmap, uword i, uword value, uword n_bits)
{
uword a0, a1, b0;
uword i_end, mask;
@param ai - the bitmap
@param body - the expression to evaluate for each set bit
*/
-#define clib_bitmap_foreach(i,ai,body) \
+#define clib_bitmap_foreach(i,ai) \
+ if (ai) \
+ for (i = clib_bitmap_first_set (ai); \
+ i != ~0; \
+ i = clib_bitmap_next_set (ai, i + 1))
+
+#define clib_bitmap_foreach_old(i,ai,body) \
do { \
uword __bitmap_i, __bitmap_ai, __bitmap_len, __bitmap_first_set; \
__bitmap_len = vec_len ((ai)); \
if (t)
return log2_first_set (t) + i0 * BITS (ai[0]);
}
+
+ /* no clear bit left in bitmap, return bit just beyond bitmap */
+ return (i0 * BITS (ai[0])) + 1;
}
return i;
}
+/** unformat an any sized hexadecimal bitmask into a bitmap
+
+ uword * bitmap;
+ rv = unformat ("%U", unformat_bitmap_mask, &bitmap);
+
+ Standard unformat_function_t arguments
+
+ @param input - pointer an unformat_input_t
+ @param va - varargs list comprising a single uword **
+ @returns 1 on success, 0 on failure
+*/
+static inline uword
+unformat_bitmap_mask (unformat_input_t * input, va_list * va)
+{
+ u8 *v = 0; /* hexadecimal vector */
+ uword **bitmap_return = va_arg (*va, uword **);
+ uword *bitmap = 0;
+
+ if (unformat (input, "%U", unformat_hex_string, &v))
+ {
+ int i, s = vec_len (v) - 1; /* 's' for significance or shift */
+
+ /* v[0] holds the most significant byte */
+ for (i = 0; s >= 0; i++, s--)
+ bitmap = clib_bitmap_set_multiple (bitmap,
+ s * BITS (v[i]), v[i],
+ BITS (v[i]));
+
+ vec_free (v);
+ *bitmap_return = bitmap;
+ return 1;
+ }
+
+ return 0;
+}
+
/** unformat a list of bit ranges into a bitmap (eg "0-3,5-7,11" )
uword * bitmap;