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Fix fake getnameinfo() and check more arguments.

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This commit is contained in:
Guus Sliepen 2003-08-17 08:32:39 +00:00
parent f4e80cc5e0
commit 2236e05e51
3 changed files with 24 additions and 9 deletions
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7
lib/fake-getaddrinfo.c
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@ -23,6 +23,8 @@ char *gai_strerror(int ecode)
return "No address associated with hostname";
case EAI_MEMORY:
return "Memory allocation failure";
case EAI_FAMILY:
return "Address family not supported";
default:
return "Unknown error";
}
@ -67,6 +69,9 @@ int getaddrinfo(const char *hostname, const char *servname, const struct addrinf
int i;
uint16_t port = 0;
if(hints && hints->ai_family != AF_INET && hints->ai_family != AF_UNSPEC)
return EAI_FAMILY;
if (servname)
port = htons(atoi(servname));
@ -82,7 +87,7 @@ int getaddrinfo(const char *hostname, const char *servname, const struct addrinf
hp = gethostbyname(hostname);
if(!hp || !hp->h_addr_list[0])
if(!hp || !hp->h_addr_list || !hp->h_addr_list[0])
return EAI_NODATA;
for (i = 0; hp->h_addr_list[i]; i++) {