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Fix some errors in the set code.

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I really need to write some unit tests for the set code, but with this (and
an uncommitted dags patch (still thinking about it)) ctf compiles.
This commit is contained in:
Bill Currie 2012-11-26 17:19:02 +09:00
parent 8e225cd726
commit e28aa0a5fb
1 changed files with 16 additions and 4 deletions
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20
tools/qfcc/source/set.c
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@ -46,7 +46,7 @@
#include "qfcc.h"
#include "set.h"
#define BITS (sizeof (unsigned) * 8)
#define BITS (sizeof (((set_t *) 0)->map[0]) * 8)
set_t *free_sets;
set_iter_t *free_set_iters;
@ -101,9 +101,11 @@ set_expand (set_t *set, unsigned x)
if (x < set->size)
return;
size = (x + BITS - 1) & ~(BITS - 1);
size = (x + BITS) & ~(BITS - 1);
set->map = malloc (size / 8);
memcpy (set->map, map, set->size / 8);
memset (set->map + set->size / BITS, 0, (size - set->size) / 8);
set->size = size;
if (map != set->defmap)
free (map);
}
@ -147,6 +149,8 @@ set_intersection (set_t *dst, const set_t *src)
set_expand (dst, size);
for (i = 0; i < src->size / BITS; i++)
dst->map[i] &= src->map[i];
for ( ; i < dst->size / BITS; i++)
dst->map[i] = 0;
return dst;
}
@ -173,6 +177,8 @@ set_assign (set_t *dst, const set_t *src)
set_expand (dst, size);
for (i = 0; i < src->size / BITS; i++)
dst->map[i] = src->map[i];
for ( ; i < dst->size / BITS; i++)
dst->map[i] = 0;
return dst;
}
@ -263,14 +269,20 @@ set_is_subset (const set_t *set, const set_t *sub)
return 1;
}
int
set_is_member (const set_t *set, unsigned x)
static inline int
_set_is_member (const set_t *set, unsigned x)
{
if (x >= set->size)
return 0;
return (set->map[x / BITS] & (1 << (x % BITS))) != 0;
}
int
set_is_member (const set_t *set, unsigned x)
{
return _set_is_member (set, x);
}
unsigned
set_size (const set_t *set)
{