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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 | |
| 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.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | inet/getnameinfo.c | 12 |
2 files changed, 6 insertions, 10 deletions
@@ -1,5 +1,9 @@ 2016-04-28 Florian Weimer <fweimer@redhat.com> + * inet/getnameinfo.c (getnameinfo): Do not preserve errno. + +2016-04-28 Florian Weimer <fweimer@redhat.com> + * resolv/inet_addr.c: Reindent preprocessor conditionals. * resolv/res_init.c: Likewise. * resolv/res_mkquery.c: Likewise. 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) |