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make getaddrinfo return error if both host and service name are null

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this case is specified as a mandatory ("shall fail") error.

based on patch by Julien Ramseier.
This commit is contained in:
Rich Felker 2015-09-25 01:01:11 +00:00
parent b4d94ba40d
commit 06bcf9bc94
1 changed files with 2 additions and 0 deletions
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2
src/network/getaddrinfo.c
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@ -20,6 +20,8 @@ int getaddrinfo(const char *restrict host, const char *restrict serv, const stru
} sa;
} *out;
if (!host && !serv) return EAI_NONAME;
if (hint) {
family = hint->ai_family;
flags = hint->ai_flags;