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Refactor winsock initialization into a separate function

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Signed-off-by: Martin Storsjo <martin@martin.st>
This commit is contained in:
Martin Storsjö
2009-06-17 22:37:31 +03:00
committed by Johannes Schindelin
parent 65deb66a2d
commit 7336516a6f
1 changed files with 12 additions and 3 deletions
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15
compat/mingw.c
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@@ -886,16 +886,25 @@ char **env_setenv(char **env, const char *name)
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);
}