On 27.06.2018 21:24, Richard Hipp wrote:
> If anybody can suggest patches that will get this routine
> (https://fossil-scm.org/fossil/info/5e083abf6?ln=47) to compile and
> work on windows, that would really be helpful. Thanks.
>
Sample Windows program, needs the dnsapi.lib for linking:
#include <windows.h> /* Windows */
#include <windns.h> /* DNS API's */
#include <winsock.h> /* Windows sockets */
#include <string.h> /* For strdup() */
#include <stdio.h> /* Standard I/O */
char *smtp_mx_host(const char *zDomain){
DNS_STATUS status; /* Return status */
PDNS_RECORD pDnsRecord, p; /* Pointer to DNS_RECORD structure */
int iBestPriority = 9999999; /* Best priority */
unsigned char *pBest = 0; /* RDATA for the best answer */
status = DnsQuery_UTF8(zDomain, /* Domain name */
DNS_TYPE_MX, /* DNS record type */
DNS_QUERY_STANDARD, /* Query options */
NULL, /* List of DNS servers */
&pDnsRecord, /* Query results */
NULL); /* Reserved */
if( status ) return NULL;
p = pDnsRecord;
while( p ){
if( p->Data.MX.wPreference<iBestPriority ){
iBestPriority = p->Data.MX.wPreference;
pBest = p->Data.MX.pNameExchange;
}
p = p->pNext;
}
if( pBest ){
pBest = strdup(pBest);
}
DnsRecordListFree(pDnsRecord, DnsFreeRecordListDeep);
return pBest;
}
int main(int argc, char *argv[]){
int i;
for(i=1; i<argc; i++){
char *z = smtp_mx_host(argv[i]);
printf("%s: %s\n", argv[i], z);
free(z);
}
return 0;
}
--
Thomas Schnurrenberger
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