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Fix bit ops for 64bit long

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Fix bit ops for 64bit long.
This commit is contained in:
Takashi Iwai 2005-11-08 17:13:30 +00:00
parent 57922fb7e7
commit 6b46723473
1 changed files with 14 additions and 12 deletions
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26
ld10k1/src/bitops.h
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@ -20,34 +20,36 @@
* Zephaniah E. Hull 2005-08-15.
*/
__inline__ int set_bit(int nr, unsigned long * addr)
static inline int set_bit(int nr, unsigned long * addr)
{
int mask, retval;
unsigned long mask;
int retval;
addr += nr >> (sizeof(long) + 1);
mask = 1 << (nr & (sizeof(long) * 8 - 1));
addr += nr / (sizeof(long) * 8);
mask = 1UL << (nr & (sizeof(long) * 8 - 1));
retval = (mask & *addr) != 0;
*addr |= mask;
return retval;
}
__inline__ int clear_bit(int nr, unsigned long * addr)
static inline int clear_bit(int nr, unsigned long * addr)
{
int mask, retval;
unsigned long mask;
int retval;
addr += nr >> (sizeof(long) + 1);
mask = 1 << (nr & (sizeof(long) * 8 - 1));
addr += nr / (sizeof(long) * 8);
mask = 1UL << (nr & (sizeof(long) * 8 - 1));
retval = (mask & *addr) != 0;
*addr &= ~mask;
return retval;
}
__inline__ int test_bit(int nr, unsigned long * addr)
static inline int test_bit(int nr, unsigned long * addr)
{
int mask;
unsigned long mask;
addr += nr >> (sizeof(long) + 1);
mask = 1 << (nr & (sizeof(long) * 8 - 1));
addr += nr / (sizeof(long) * 8);
mask = 1UL << (nr & (sizeof(long) * 8 - 1));
return ((mask & *addr) != 0);
}