Attachment 2128 Details for Bug 5460 – getaddrinfo.c test case

getaddrinfo.c test case

getaddrinfo.c (text/plain), 1.57 KB, created by Mike Frysinger on 2007-12-09 04:36:15 UTC

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Creator: Mike Frysinger

Created: 2007-12-09 04:36:15 UTC

Size: 1.57 KB

patch

obsolete

>#define _GNU_SOURCE
>#include <netdb.h>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <arpa/inet.h>
>#include <netinet/in.h>
>#include <sys/socket.h>
>#include <sys/types.h>
>
>void doit(const char *name, const char *family_name, int family)
>{
>	printf("--- looking up '%s' for family %s (%i)\n", name, family_name, family);
>
>	struct addrinfo hints;
>	memset(&hints, 0, sizeof(hints));
>	hints.ai_socktype = SOCK_STREAM;
>	hints.ai_flags = AI_NUMERICHOST;
>	hints.ai_family = family;
>
>	struct addrinfo *hostaddr = 0;
>	int res = getaddrinfo(name, "telnet", &hints, &hostaddr);
>	if (res == EAI_NONAME) {
>		printf("getaddrinfo(...) = EAI_NONAME, trying again with AI_CANONNAME\n");
>		hints.ai_flags = AI_CANONNAME;
>		res = getaddrinfo(name, "telnet", &hints, &hostaddr);
>	}
>	if (res == EAI_NONAME) {
>		printf("getaddrinfo(...) = EAI_NONAME ... FAIL\n");
>	} else if (res) {
>		printf("getaddrinfo(...) = %i ... FAIL\n", res);
>	} else {
>		printf("getaddrinfo(...) = %i\n", res);
>
>		while (hostaddr) {
>			char name[1024], service[1024];
>			res = getnameinfo(hostaddr->ai_addr, hostaddr->ai_addrlen,
>				name, sizeof(name), service, sizeof(service),
>				NI_NUMERICHOST | NI_NUMERICSERV);
>			printf("getnameinfo(...) = %i\n", res);
>			printf("\tname = %s\n", name);
>			printf("\tservice = %s\n", service);
>			hostaddr = hostaddr->ai_next;
>		}
>	}
>
>	freeaddrinfo(hostaddr);
>}
>
>int main(int argc, char *argv[])
>{
>	const char *name = (argc > 1 ? argv[1] : "localhost");
>
>#define doit(name, family) doit(name, #family, family)
>	doit(name, 0);
>	doit(name, AF_INET);
>	doit(name, AF_INET6);
>
>	puts("");
>
>	return 0;
>}

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