120a1b2c53
compile error in gethostbyaddr resolver. Order of pcap.h vs bpf.h switched, to fix compilation on Mac OS X.
40 lines
1020 B
C
40 lines
1020 B
C
/*
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* int_ghba_r.c:
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* Test program to see whether gethostbyaddr_r takes 8 arguments and returns
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* int.
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*/
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static const char rcsid[] = "$Id$";
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <netinet/in.h>
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int main(void) {
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struct in_addr localhost;
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struct hostent hostbuf, *hp;
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char *buf;
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int res, herr;
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size_t buflen = 1024;
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localhost.s_addr = htonl(INADDR_LOOPBACK);
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buf = malloc(buflen);
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while ((res = gethostbyaddr_r((char*)&localhost, sizeof localhost, AF_INET,
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&hostbuf, buf, buflen, &hp, &herr))
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== ERANGE)
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buf = (char*)realloc(buf, buflen *= 2);
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/* We assume that the loopback address can always be resolved if
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* gethostbyaddr_r is actually working. */
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if (res || hp == NULL) {
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fprintf(stderr, "errno = %d, herr = %d, res = %d\n", errno, herr, res);
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return -1;
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} else
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return 0;
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}
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