use WSAGetlastError/FormatMessage in place of strerror(errno) on Windows

[catta] / src / compat / windows / wincompat.c

diff --git a/src/compat/windows/wincompat.c b/src/compat/windows/wincompat.c
index 4433b5b54648be93ff1fec50c7baa2674a74d11f..3e6417ef2d2115acf87b3fdc6640938393c076c3 100644 (file)
--- a/src/compat/windows/wincompat.c
+++ b/src/compat/windows/wincompat.c
@@ -4,6 +4,8 @@
 #include <assert.h>
 #include <stdint.h>
 
+#include <catta/log.h>
+
 // helper: convert WSAGetLastError() to an errno constant
 static int wsa_errno(void)
 {
@@ -29,6 +31,31 @@ static int wsa_errno(void)
     }
 }
 
+void winsock_init(void)
+{
+    WSADATA wsa;
+    int error;
+
+    if((error = WSAStartup(MAKEWORD(2,2), &wsa)) != 0)
+        catta_log_error("WSAStartup() failed: %d", error);
+}
+
+void winsock_exit(void)
+{
+    if(WSACleanup() == SOCKET_ERROR)
+        catta_log_warn("WSACleanup() failed: %d", WSAGetLastError());
+}
+
+char *errnostrsocket(void)
+{
+    static char buf[256];
+
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                  NULL, WSAGetLastError(), 0, buf, sizeof(buf), NULL);
+
+    return buf;
+}
+
 ssize_t recvmsg(int sockfd, struct msghdr *msg, int flags)
 {
     LPFN_WSARECVMSG WSARecvMsg = NULL;