DWORD
DisplayAlias(
LPSTR AliasName,
LPSTR ExeName
)
{
DWORD cb;
CHAR AliasBuffer[512];
if (cb = GetConsoleAlias( AliasName, AliasBuffer, sizeof( AliasBuffer ), ExeName )) {
printf( "%-16s=%s\n", AliasName, AliasBuffer );
return NO_ERROR;
}
else {
printf( "%-16s *** Unable to read value of alias ***\n",
AliasName
);
return ERROR_ENVVAR_NOT_FOUND;
}
}
/* specified routines */
VOID ExpandAlias (LPTSTR cmd, INT maxlen)
{
LPTSTR buffer;
TCHAR *position, *in, *out;
LPTSTR Token;
LPTSTR tmp;
tmp = cmd_dup(cmd);
if (!tmp)
return;
/* first part is the macro name */
position = tmp + _tcscspn(tmp, _T(" \n"));
if (position == tmp)
{
cmd_free(tmp);
return;
}
*position++ = _T('\0');
position += _tcsspn(position, _T(" "));
buffer = cmd_alloc(maxlen);
if (!buffer)
{
WARN("Cannot allocate memory for alias buffer!\n");
cmd_free(tmp);
return;
}
if (GetConsoleAlias(tmp, buffer, maxlen, _T("cmd.exe")) == 0)
{
cmd_free(tmp);
cmd_free(buffer);
return;
}
in = buffer;
out = cmd;
while (*in)
{
if (*in == _T('$'))
{
Token = position;
if (in[1] >= _T('1') && in[1] <= _T('9'))
{
/* Copy a single space-delimited token from the input line */
INT num;
for (num = in[1] - _T('1'); num > 0; num--)
{
Token += _tcscspn(Token, _T(" \n"));
Token += _tcsspn(Token, _T(" "));
}
while (!_tcschr(_T(" \n"), *Token))
{
if (out >= &cmd[maxlen - 1])
break;
*out++ = *Token++;
}
in += 2;
continue;
}
else if (in[1] == _T('*'))
{
/* Copy the entire remainder of the line */
while (*Token && *Token != _T('\n'))
{
if (out >= &cmd[maxlen - 1])
break;
*out++ = *Token++;
}
in += 2;
continue;
}
}
if (out >= &cmd[maxlen - 1])
break;
*out++ = *in++;
}
*out++ = _T('\n');
*out = _T('\0');
cmd_free(buffer);
cmd_free(tmp);
}
