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A patch from issue 1378 by roudkerk: 

Currently on Windows set_error() make use of a large array which maps
socket error numbers to error messages.

This patch removes that array and just lets PyErr_SetExcFromWindowsErr()
generate the message by using the Win32 function FormatMessage().
This commit is contained in:
Guido van Rossum 2007-11-16 00:24:44 +00:00
parent 414c2b0819
commit 5397fd1a51
1 changed files with 5 additions and 81 deletions
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86
Modules/socketmodule.c
View File

@ -461,87 +461,11 @@ set_error(void)
{ {
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
int err_no = WSAGetLastError(); int err_no = WSAGetLastError();
static struct { /* PyErr_SetExcFromWindowsErr() invokes FormatMessage() which
int no; recognizes the error codes used by both GetLastError() and
const char *msg; WSAGetLastError */
} *msgp, msgs[] = { if (err_no)
{WSAEINTR, "Interrupted system call"}, return PyErr_SetExcFromWindowsErr(socket_error, err_no);
{WSAEBADF, "Bad file descriptor"},
{WSAEACCES, "Permission denied"},
{WSAEFAULT, "Bad address"},
{WSAEINVAL, "Invalid argument"},
{WSAEMFILE, "Too many open files"},
{WSAEWOULDBLOCK,
"The socket operation could not complete "
"without blocking"},
{WSAEINPROGRESS, "Operation now in progress"},
{WSAEALREADY, "Operation already in progress"},
{WSAENOTSOCK, "Socket operation on non-socket"},
{WSAEDESTADDRREQ, "Destination address required"},
{WSAEMSGSIZE, "Message too long"},
{WSAEPROTOTYPE, "Protocol wrong type for socket"},
{WSAENOPROTOOPT, "Protocol not available"},
{WSAEPROTONOSUPPORT, "Protocol not supported"},
{WSAESOCKTNOSUPPORT, "Socket type not supported"},
{WSAEOPNOTSUPP, "Operation not supported"},
{WSAEPFNOSUPPORT, "Protocol family not supported"},
{WSAEAFNOSUPPORT, "Address family not supported"},
{WSAEADDRINUSE, "Address already in use"},
{WSAEADDRNOTAVAIL, "Can't assign requested address"},
{WSAENETDOWN, "Network is down"},
{WSAENETUNREACH, "Network is unreachable"},
{WSAENETRESET, "Network dropped connection on reset"},
{WSAECONNABORTED, "Software caused connection abort"},
{WSAECONNRESET, "Connection reset by peer"},
{WSAENOBUFS, "No buffer space available"},
{WSAEISCONN, "Socket is already connected"},
{WSAENOTCONN, "Socket is not connected"},
{WSAESHUTDOWN, "Can't send after socket shutdown"},
{WSAETOOMANYREFS, "Too many references: can't splice"},
{WSAETIMEDOUT, "Operation timed out"},
{WSAECONNREFUSED, "Connection refused"},
{WSAELOOP, "Too many levels of symbolic links"},
{WSAENAMETOOLONG, "File name too long"},
{WSAEHOSTDOWN, "Host is down"},
{WSAEHOSTUNREACH, "No route to host"},
{WSAENOTEMPTY, "Directory not empty"},
{WSAEPROCLIM, "Too many processes"},
{WSAEUSERS, "Too many users"},
{WSAEDQUOT, "Disc quota exceeded"},
{WSAESTALE, "Stale NFS file handle"},
{WSAEREMOTE, "Too many levels of remote in path"},
{WSASYSNOTREADY, "Network subsystem is unvailable"},
{WSAVERNOTSUPPORTED, "WinSock version is not supported"},
{WSANOTINITIALISED,
"Successful WSAStartup() not yet performed"},
{WSAEDISCON, "Graceful shutdown in progress"},
/* Resolver errors */
{WSAHOST_NOT_FOUND, "No such host is known"},
{WSATRY_AGAIN, "Host not found, or server failed"},
{WSANO_RECOVERY, "Unexpected server error encountered"},
{WSANO_DATA, "Valid name without requested data"},
{WSANO_ADDRESS, "No address, look for MX record"},
{0, NULL}
};
if (err_no) {
PyObject *v;
const char *msg = "winsock error";
for (msgp = msgs; msgp->msg; msgp++) {
if (err_no == msgp->no) {
msg = msgp->msg;
break;
}
}
v = Py_BuildValue("(is)", err_no, msg);
if (v != NULL) {
PyErr_SetObject(socket_error, v);
Py_DECREF(v);
}
return NULL;
}
else
#endif #endif
#if defined(PYOS_OS2) && !defined(PYCC_GCC) #if defined(PYOS_OS2) && !defined(PYCC_GCC)