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authorJelmer Vernooij <jelmer@samba.org>2007-12-17 05:53:37 +0100
committerStefan Metzmacher <metze@samba.org>2007-12-21 05:50:44 +0100
commit70cea01a9ec0be4ef9fd141a16b52e8141a1c94a (patch)
tree42d60afac6d684e0fe4180a390eff6bf5dadd98f /source4/lib
parentb1cd9c39c3465dff1e94241779c643a28d008ce8 (diff)
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r26487: Cope with systems that don't have struct sockaddr.sa_len.
(This used to be commit 56080469ab28ae5a2f456cced34814d9c33480c6)
Diffstat (limited to 'source4/lib')
-rw-r--r--source4/lib/replace/getifaddrs.c11
-rw-r--r--source4/lib/replace/getifaddrs.m46
2 files changed, 15 insertions, 2 deletions
diff --git a/source4/lib/replace/getifaddrs.c b/source4/lib/replace/getifaddrs.c
index e04c023209..b681a8649c 100644
--- a/source4/lib/replace/getifaddrs.c
+++ b/source4/lib/replace/getifaddrs.c
@@ -53,10 +53,17 @@ void freeifaddrs(struct ifaddrs *ifp)
struct sockaddr *sockaddr_dup(struct sockaddr *sa)
{
- struct sockaddr *ret = calloc(1, sa->sa_len);
+ struct sockaddr *ret;
+ socklen_t socklen;
+#ifdef HAVE_SOCKADDR_SA_LEN
+ socklen = sa->sa_len;
+#else
+ socklen = sizeof(struct sockaddr_storage);
+#endif
+ ret = = calloc(1, socklen);
if (ret == NULL)
return NULL;
- memcpy(ret, sa, sa->sa_len);
+ memcpy(ret, sa, socklen);
return ret;
}
#endif
diff --git a/source4/lib/replace/getifaddrs.m4 b/source4/lib/replace/getifaddrs.m4
index 7e6016ed8f..85f08ee6c3 100644
--- a/source4/lib/replace/getifaddrs.m4
+++ b/source4/lib/replace/getifaddrs.m4
@@ -1,5 +1,11 @@
AC_CHECK_HEADERS([ifaddrs.h])
+dnl Used when getifaddrs is not available
+AC_CHECK_MEMBERS([struct sockaddr.sa_len],
+ [AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Whether struct sockaddr has a sa_len member])],
+ [],
+ [#include <sys/socket.h>])
+
dnl test for getifaddrs and freeifaddrs
AC_CACHE_CHECK([for getifaddrs and freeifaddrs],samba_cv_HAVE_GETIFADDRS,[
AC_TRY_COMPILE([