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anetPeerToString() automatically populates ip/port with something that may be provided to the user as output in case of errors.

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antirez
2012-03-07 11:30:30 +01:00
parent 9494f1f15b
commit 7b845b6228
2 changed files with 7 additions and 6 deletions
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7
src/anet.c
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@ -353,7 +353,12 @@ int anetPeerToString(int fd, char *ip, int *port) {
struct sockaddr_in sa;
socklen_t salen = sizeof(sa);
if (getpeername(fd,(struct sockaddr*)&sa,&salen) == -1) return -1;
if (getpeername(fd,(struct sockaddr*)&sa,&salen) == -1) {
*port = 0;
ip[0] = '?';
ip[1] = '\0';
return -1;
}
if (ip) strcpy(ip,inet_ntoa(sa.sin_addr));
if (port) *port = ntohs(sa.sin_port);
return 0;