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Code Issues Releases Wiki Activity

new function dns_rdataclass_ismeta; consistent treatment of class/type NONE

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This commit is contained in:
Andreas Gustafsson
1999-08-16 06:45:13 +00:00
parent ac52827835
commit ebd68da027
1 changed files with 19 additions and 9 deletions
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28
lib/dns/rdata.c
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@@ -15,7 +15,7 @@
* SOFTWARE.
*/
/* $Id: rdata.c,v 1.57 1999/08/05 22:11:52 halley Exp $ */
/* $Id: rdata.c,v 1.58 1999/08/16 06:45:13 gson Exp $ */
#include <config.h>
@@ -117,7 +117,7 @@ static const char octdigits[] = "01234567";
#define RESERVED 0x0002
#define METATYPES \
{ 0, "NONE", META }, \
{ 0, "RESERVED0", META }, \
{ 31, "EID", RESERVED }, \
{ 32, "NIMLOC", RESERVED }, \
{ 34, "ATMA", RESERVED }, \
@@ -139,7 +139,8 @@ static const char octdigits[] = "01234567";
{ 3, "CHAOS", 0 },
#define METACLASSES \
{ 0, "NONE", META }, \
{ 0, "RESERVED0", META }, \
{ 254, "NONE", META }, \
{ 255, "ANY", META },
#define RCODENAMES \
@@ -1392,13 +1393,22 @@ fromtext_error(void (*callback)(dns_rdatacallbacks_t *, char *, ...),
}
}
isc_boolean_t
dns_rdatatype_ismeta(dns_rdatatype_t type) {
static isc_boolean_t ismeta(unsigned int code, struct tbl *table) {
struct tbl *t;
REQUIRE(type < 65536);
for (t = types; t->name != NULL; t++) {
if (type == t->value)
REQUIRE(code < 65536);
for (t = table; t->name != NULL; t++) {
if (code == t->value)
return ((t->flags & META) ? ISC_TRUE : ISC_FALSE);
}
return (ISC_FALSE); /* Unknown type, assume non-meta. */
return (ISC_FALSE); /* Unknown, assume non-meta. */
}
isc_boolean_t
dns_rdatatype_ismeta(dns_rdatatype_t type) {
return (ismeta(type, types));
}
isc_boolean_t
dns_rdataclass_ismeta(dns_rdataclass_t rdclass) {
return (ismeta(rdclass, classes));
}