Refactor winsock initialization into a separate function

The winsock library must be initialized. Since gethostbyname() is the
first function that calls into winsock, it was overridden to do the
initialization. This refactoring helps the next patch, where other
functions can be called earlier.

Signed-off-by: Martin Storsjo <martin@martin.st>
Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Martin Storsjö 2009-11-24 00:55:12 +02:00 committed by Junio C Hamano
parent 1fdffa6161
commit b7cc9f8259

View file

@ -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);
}