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Simplify getnameinfo (#196)

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The getnameinfo implementation requires an address -> name lookup on the
hosts file (ie struct HostsTxt) and the previous implementation used
flags to check whether HostsTxt was sorted according to address or name,
and then re-sorted it if necessary. Now getnameinfo lookup does not
require sorting, it does a simple linear lookup, and so the related code
was simplified

See #172 for discussion.
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Gautham 2021-06-23 01:05:58 +05:30 • committed by GitHub
parent 1f87640d17
commit 98c53ae526
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7 changed files with 21 additions and 46 deletions
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4
test/libc/dns/resolvehoststxt_test.c
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@ -49,7 +49,7 @@ TEST(ResolveHostsTxt, testBasicLookups) {
struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
FILE *f = fmemopen(kInput, strlen(kInput), "r+");
ASSERT_EQ(0, ParseHostsTxt(ht, f));
SortHostsTxt(ht, HOSTSTXT_SORTEDBYNAME);
SortHostsTxt(ht);
ASSERT_EQ(5, ht->entries.i);
EXPECT_STREQ("127.0.0.1", EzIp4Lookup(ht, "localhost"));
EXPECT_STREQ("203.0.113.1", EzIp4Lookup(ht, "lol"));
@ -66,7 +66,7 @@ TEST(ResolveHostsTxt, testCanonicalize) {
struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
FILE *f = fmemopen(kInput, strlen(kInput), "r+");
ASSERT_EQ(0, ParseHostsTxt(ht, f));
SortHostsTxt(ht, HOSTSTXT_SORTEDBYNAME);
SortHostsTxt(ht);
ASSERT_EQ(5, ht->entries.i);
EXPECT_STREQ("localhost", EzCanonicalize(ht, "localhost"));
EXPECT_STREQ("lol.example.", EzCanonicalize(ht, "lol"));