lib/isc/bitstring.c

18 /* $Id: bitstring.c,v 1.17 2007/06/19 23:47:17 tbox Exp $ */
27 #include <isc/bitstring.h>
43 isc_bitstring_init(isc_bitstring_t *bitstring, unsigned char *data,
47 	 * Make 'bitstring' refer to the bitstring of 'size' bits starting
48 	 * at 'data'.  'length' bits of the bitstring are valid.  If 'lsb0'
50 	 * bitstring.  Otherwise bit 0 is the most significant bit.
53 	REQUIRE(bitstring != NULL);
57 	bitstring->magic = BITSTRING_MAGIC;
58 	bitstring->data = data;
59 	bitstring->length = length;
60 	bitstring->size = size;
61 	bitstring->lsb0 = lsb0;
65 isc_bitstring_invalidate(isc_bitstring_t *bitstring) {
68 	 * Invalidate 'bitstring'.
71 	REQUIRE(VALID_BITSTRING(bitstring));
73 	bitstring->magic = 0;
74 	bitstring->data = NULL;
75 	bitstring->length = 0;
76 	bitstring->size = 0;
77 	bitstring->lsb0 = ISC_FALSE;