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21 lines
400 B
21 lines
400 B
15 years ago
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#include <netdb.h>
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#include "__dns.h"
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int res_query(const char *name, int class, int type, unsigned char *dest, int len)
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{
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if (class != 1 || len < 512)
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return -1;
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switch(__dns_doqueries(dest, name, &type, 1)) {
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case EAI_NONAME:
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h_errno = HOST_NOT_FOUND;
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return -1;
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case EAI_AGAIN:
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h_errno = TRY_AGAIN;
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return -1;
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case EAI_FAIL:
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h_errno = NO_RECOVERY;
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return -1;
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}
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return 512;
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}
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