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Add checks for render/parse direction

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This commit is contained in:
Michael Graff
1999-04-30 05:57:39 +00:00
parent e690d225ad
commit be3458c3da
1 changed files with 4 additions and 7 deletions
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11
lib/dns/message.c
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@@ -55,13 +55,6 @@
#define RDATALIST_COUNT 32 /* should match RDATASET_COUNT */
#define RDATASET_COUNT 32
/*
* internal state stuff.
*/
#define TO_FROM_UNKNOWN 0
#define TO_FROM_FROMWIRE 1
#define TO_FROM_TOWIRE 2
/*
* "helper" type, which consists of a block of some type, and is linkable.
* For it to work, sizeof(dns_msgblock_t) must be a multiple of the pointer
@@ -946,6 +939,7 @@ dns_message_parse(dns_message_t *msg, isc_buffer_t *source)
REQUIRE(VALID_MESSAGE(msg));
REQUIRE(source != NULL);
REQUIRE(msg->from_to_wire == DNS_MESSAGE_INTENT_PARSE);
isc_buffer_remaining(source, &r);
if (r.length < DNS_MESSAGE_HEADER_LEN)
@@ -999,6 +993,7 @@ dns_message_renderbegin(dns_message_t *msg, isc_buffer_t *buffer)
REQUIRE(VALID_MESSAGE(msg));
REQUIRE(buffer != NULL);
REQUIRE(msg->buffer == NULL);
REQUIRE(msg->from_to_wire == DNS_MESSAGE_INTENT_RENDER);
/*
* Erase the contents of this buffer.
@@ -1189,6 +1184,7 @@ dns_message_movename(dns_message_t *msg, dns_name_t *name,
dns_section_t tosection)
{
REQUIRE(msg != NULL);
REQUIRE(msg->from_to_wire == DNS_MESSAGE_INTENT_RENDER);
REQUIRE(name != NULL);
REQUIRE(VALID_NAMED_SECTION(fromsection));
REQUIRE(VALID_NAMED_SECTION(tosection));
@@ -1206,6 +1202,7 @@ dns_message_addname(dns_message_t *msg, dns_name_t *name,
dns_section_t section)
{
REQUIRE(msg != NULL);
REQUIRE(msg->from_to_wire == DNS_MESSAGE_INTENT_RENDER);
REQUIRE(name != NULL);
REQUIRE(VALID_NAMED_SECTION(section));