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-rw-r--r--compat/mingw.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/compat/mingw.c b/compat/mingw.c
index 15fe33eaa0..f9d82ff103 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -903,16 +903,25 @@ char **make_augmented_environ(const char *const *vars)
return env;
}
-/* this is the first function to call into WS_32; initialize it */
-#undef gethostbyname
-struct hostent *mingw_gethostbyname(const char *host)
+static void ensure_socket_initialization(void)
{
WSADATA wsa;
+ static int initialized = 0;
+
+ if (initialized)
+ return;
if (WSAStartup(MAKEWORD(2,2), &wsa))
die("unable to initialize winsock subsystem, error %d",
WSAGetLastError());
atexit((void(*)(void)) WSACleanup);
+ initialized = 1;
+}
+
+#undef gethostbyname
+struct hostent *mingw_gethostbyname(const char *host)
+{
+ ensure_socket_initialization();
return gethostbyname(host);
}