#ifndef __FIRM_BITSET_H
#define __FIRM_BITSET_H
+#include "firm_config.h"
+
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
-#include "firm_config.h"
-#include "bitfiddle.h"
-
#ifdef _WIN32
#include <malloc.h>
#else
#include <alloca.h>
#endif
+#include "xmalloc.h"
+#include "bitfiddle.h"
+
typedef unsigned int bitset_pos_t;
#include "bitset_std.h"
typedef struct _bitset_t {
bitset_pos_t units;
- bitset_pos_t size;
+ bitset_pos_t size;
bitset_unit_t *data;
} bitset_t;
* @return A pointer to an empty initialized bitset.
*/
#define bitset_obstack_alloc(obst,size) \
- _bitset_prepare(obstack_alloc(obst, _bitset_overall_size(sizeof(bitset_t), size)), size)
+ _bitset_prepare(obstack_alloc(obst, _bitset_overall_size(sizeof(bitset_t), size)), size)
/**
* Allocate a bitset via malloc.
static INLINE bitset_unit_t *_bitset_get_unit(const bitset_t *bs, bitset_pos_t bit)
{
/* assert(bit < bs->units * BS_UNIT_SIZE_BITS && "Bit too large"); */
- assert(bit <= bs->size && "Bit to large");
+ assert(bit <= bs->size && "Bit to large");
return bs->data + bit / BS_UNIT_SIZE_BITS;
}
* @param elm A unsigned long variable.
*/
#define bitset_foreach(bitset,elm) \
- for(elm = bitset_next_set(bitset,0); elm != -1; elm = bitset_next_set(bitset,elm+1))
+ for(elm = bitset_next_set(bitset,0); elm != -1; elm = bitset_next_set(bitset,elm+1))
#define bitset_foreach_clear(bitset,elm) \
- for(elm = bitset_next_clear(bitset,0); elm != -1; elm = bitset_next_clear(bitset,elm+1))
+ for(elm = bitset_next_clear(bitset,0); elm != -1; elm = bitset_next_clear(bitset,elm+1))
/**
* Count the bits set.
static INLINE bitset_t *bitset_clear_all(bitset_t *bs)
{
memset(bs->data, 0, BS_UNIT_SIZE * bs->units);
- return bs;
+ return bs;
}
/**
static INLINE bitset_t *bitset_set_all(bitset_t *bs)
{
memset(bs->data, -1, bs->units * BS_UNIT_SIZE);
- return _bitset_mask_highest(bs);
+ return _bitset_mask_highest(bs);
}
/**
{
#define _SH (sizeof(bitset_unit_t) * 8 - 1)
- bitset_pos_t i;
+ bitset_pos_t i;
- for(i = 0; i < bs->units; ++i) {
- bitset_unit_t unit = bs->data[i];
- bitset_unit_t um1 = unit - 1;
+ for(i = 0; i < bs->units; ++i) {
+ bitset_unit_t unit = bs->data[i];
+ bitset_unit_t um1 = unit - 1;
- bs->data[i] = um1;
+ bs->data[i] = um1;
- if(((unit >> _SH) ^ (um1 >> _SH)) == 0)
- break;
- }
+ if(((unit >> _SH) ^ (um1 >> _SH)) == 0)
+ break;
+ }
#undef _SH
}
/**
* Print a bitset to a stream.
- * The bitset is printed as a comma seperated list of bits set.
+ * The bitset is printed as a comma separated list of bits set.
* @param file The stream.
* @param bs The bitset.
*/
const char *prefix = "";
int i;
- putc('[', file);
+ putc('{', file);
for(i = bitset_next_set(bs, 0); i != -1; i = bitset_next_set(bs, i + 1)) {
fprintf(file, "%s%u", prefix, i);
prefix = ",";
}
- putc(']', file);
+ putc('}', file);
}
static INLINE void bitset_debug_fprint(FILE *file, const bitset_t *bs)