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Adding function isc_region_compare and using in instead of compare_region in lib/dns

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This commit is contained in:
Olafur Gudmundsson
2002-01-05 07:05:28 +00:00
parent cfbdb5e079
commit 90e303b114
25 changed files with 81 additions and 64 deletions
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19
lib/isc/buffer.c
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: buffer.c,v 1.36 2001/01/09 21:55:56 bwelling Exp $ */
/* $Id: buffer.c,v 1.37 2002/01/05 07:05:02 ogud Exp $ */
#include <config.h>
@@ -367,6 +367,23 @@ isc_buffer_copyregion(isc_buffer_t *b, const isc_region_t *r) {
return (ISC_R_SUCCESS);
}
int
isc_region_compare(isc_region_t *r1, isc_region_t *r2) {
unsigned int l;
int result;
REQUIRE(r1 != NULL);
REQUIRE(r2 != NULL);
l = (r1->length < r2->length) ? r1->length : r2->length;
if ((result = memcmp(r1->base, r2->base, l)) != 0)
return ((result < 0) ? -1 : 1);
else
return ((r1->length == r2->length) ? 0 :
(r1->length < r2->length) ? -1 : 1);
}
isc_result_t
isc_buffer_allocate(isc_mem_t *mctx, isc_buffer_t **dynbuffer,
unsigned int length)