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| author | Florian Weimer <fweimer@redhat.com> | 2016-04-28 17:41:49 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2016-04-28 17:41:49 +0200 |
| commit | 2b54cbce2c363ab6ae89d10657d7465858116d7a (patch) | |
| tree | 13bcd6be3e47ab2034954f34929e87b6aca761ef /inet/getnameinfo.c | |
| parent | ed3c7876ccf1188b4500e3c3a5f420b700f9e822 (diff) | |
| download | glibc-2b54cbce2c363ab6ae89d10657d7465858116d7a.zip glibc-2b54cbce2c363ab6ae89d10657d7465858116d7a.tar.gz glibc-2b54cbce2c363ab6ae89d10657d7465858116d7a.tar.bz2 | |
getnameinfo: Do not preserve errno
POSIX does not require it, the companion getaddrinfo implementation
does not do it, and this behavior is not documented in the manual
page, either.
Diffstat (limited to 'inet/getnameinfo.c')
| -rw-r--r-- | inet/getnameinfo.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c index 40f67f0..9b1847b 100644 --- a/inet/getnameinfo.c +++ b/inet/getnameinfo.c @@ -175,7 +175,6 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, socklen_t hostlen, char *serv, socklen_t servlen, int flags) { - int serrno = errno; int herrno; struct hostent th; int ok = 0; @@ -326,10 +325,7 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, if (!ok) { if (flags & NI_NAMEREQD) - { - __set_errno (serrno); - return EAI_NONAME; - } + return EAI_NONAME; else { const char *c; @@ -406,10 +402,7 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, }; if (flags & NI_NAMEREQD) - { - __set_errno (serrno); - return EAI_NONAME; - } + return EAI_NONAME; strncpy (host, "localhost", hostlen); break; @@ -463,7 +456,6 @@ getnameinfo (const struct sockaddr *sa, socklen_t addrlen, char *host, host[hostlen-1] = 0; if (serv && (servlen > 0)) serv[servlen-1] = 0; - errno = serrno; return 0; } libc_hidden_def (getnameinfo) |