/*
* bitops.c --- Bitmap frobbing code. See bitops.h for the inlined
* routines.
- *
+ *
* Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
*
* %Begin-Header%
* systems, as well as non-32 bit systems.
*/
-int ext2fs_set_bit(int nr,void * addr)
+int ext2fs_set_bit(unsigned int nr,void * addr)
{
int mask, retval;
unsigned char *ADDR = (unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
- retval = (mask & *ADDR) != 0;
+ retval = mask & *ADDR;
*ADDR |= mask;
return retval;
}
-int ext2fs_clear_bit(int nr, void * addr)
+int ext2fs_clear_bit(unsigned int nr, void * addr)
{
int mask, retval;
unsigned char *ADDR = (unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
- retval = (mask & *ADDR) != 0;
+ retval = mask & *ADDR;
*ADDR &= ~mask;
return retval;
}
-int ext2fs_test_bit(int nr, const void * addr)
+int ext2fs_test_bit(unsigned int nr, const void * addr)
{
int mask;
const unsigned char *ADDR = (const unsigned char *) addr;
ADDR += nr >> 3;
mask = 1 << (nr & 0x07);
- return ((mask & *ADDR) != 0);
+ return (mask & *ADDR);
}
#endif /* !_EXT2_HAVE_ASM_BITOPS_ */
#endif
}
-void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
- int code, unsigned long arg)
+/*
+ * C-only 64 bit ops.
+ */
+
+int ext2fs_set_bit64(__u64 nr, void * addr)
{
-#ifndef OMIT_COM_ERR
- if (bitmap->description)
- com_err(0, bitmap->base_error_code+code,
- "#%lu for %s", arg, bitmap->description);
- else
- com_err(0, bitmap->base_error_code + code, "#%lu", arg);
-#endif
+ int mask, retval;
+ unsigned char *ADDR = (unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ retval = mask & *ADDR;
+ *ADDR |= mask;
+ return retval;
+}
+
+int ext2fs_clear_bit64(__u64 nr, void * addr)
+{
+ int mask, retval;
+ unsigned char *ADDR = (unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ retval = mask & *ADDR;
+ *ADDR &= ~mask;
+ return retval;
+}
+
+int ext2fs_test_bit64(__u64 nr, const void * addr)
+{
+ int mask;
+ const unsigned char *ADDR = (const unsigned char *) addr;
+
+ ADDR += nr >> 3;
+ mask = 1 << (nr & 0x07);
+ return (mask & *ADDR);
}