Attachment 616108 Details for Bug 859717 – example code to recreate the memory leak

example code to recreate the memory leak

leak.c (text/plain), 1.10 KB, created by Noam Meltzer on 2012-09-23 14:04:46 UTC

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Creator: Noam Meltzer

Created: 2012-09-23 14:04:46 UTC

Size: 1.10 KB

patch

obsolete

>#include <stdio.h>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <netdb.h>
>#include <string.h>
>#include <errno.h>
>
>int ip_from_string(const char *s, struct in6_addr *ip, int *ip_af)
>{
>	int rc = 0;
>	int family;
>	void *ptr;
>	size_t sz;
>	struct addrinfo *ai = NULL;
>
>	errno = 0;
>	rc = getaddrinfo(s, NULL, NULL, &ai);
>	if (rc != 0) {
>		printf("no-getaddrinfo; s=%s; %s\n", s, gai_strerror(rc));
>		goto return_rc;
>	}
>
>	family = ai->ai_family;
>
>	switch (family)
>	{
>		case AF_INET:
>			ptr = &((struct sockaddr_in *)ai->ai_addr)->sin_addr;
>			sz = sizeof(struct in_addr);
>			break;
>		case AF_INET6:
>			ptr = &((struct sockaddr_in6 *)ai->ai_addr)->sin6_addr;
>			sz = sizeof(struct in6_addr);
>			break;
>		default:
>			printf("unsupported address family: %i\n", family);
>			rc = -1;
>			goto return_rc;
>			break;
>	}
>
>	memcpy(ip, ptr, sz);
>	*ip_af = family;
>
>return_rc:
>	if (ai != NULL) {
>		printf("trying to free\n");
>		freeaddrinfo(ai);
>	}
>	return rc;
>}
>
>int main(int argc, char *argv[])
>{
>	struct in6_addr ip;
>	int ip_af;
>	int rc;
>
>	rc = ip_from_string(argv[1], &ip, &ip_af);
>	printf("ip_from_string rc=%i\n", rc);
>
>	return rc;
>}

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Attachments on bug 859717: 616108