[jmorlan] 39817: - FileGetString: Only end line on '\n', not on '\r'. - Various improvements to ExpandAlias

Author: jmorlan
Date: Sat Feb 28 21:00:38 2009
New Revision: 39817

URL: http://svn.reactos.org/svn/reactos?rev=39817&view=rev
Log:
- FileGetString: Only end line on '\n', not on '\r'.
- Various improvements to ExpandAlias

Modified:
    trunk/reactos/base/shell/cmd/alias.c
    trunk/reactos/base/shell/cmd/misc.c

Modified: trunk/reactos/base/shell/cmd/alias.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/alias.c?rev=...
==============================================================================
--- trunk/reactos/base/shell/cmd/alias.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/alias.c [iso-8859-1] Sat Feb 28 21:00:38 2009
@@ -86,21 +86,23 @@
 VOID ExpandAlias (LPTSTR cmd, INT maxlen)
 {
    LPTSTR buffer;
-	TCHAR* position;
+	TCHAR *position, *in, *out;
    LPTSTR Token;
    LPTSTR tmp;

-	tmp = cmd_alloc(maxlen);
+	tmp = cmd_dup(cmd);
    if (!tmp)
    	return;
-	_tcscpy(tmp, cmd);
-
-	Token = _tcstok(tmp, _T(" ")); /* first part is the macro name */
-	if (!Token)
+
+	/* 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)
@@ -109,34 +111,60 @@
    	return;
    }
    
-	if (GetConsoleAlias(Token, buffer, maxlen, _T("cmd.exe")) == 0)
+	if (GetConsoleAlias(tmp, buffer, maxlen, _T("cmd.exe")) == 0)
    {
    	cmd_free(tmp);
    	cmd_free(buffer);
    	return;
    }

-	Token = _tcstok (NULL, _T(" "));
-
-	ZeroMemory(cmd, maxlen);
-	position = _tcsstr(buffer, _T("$*"));
-	if (position)
-	{
-		_tcsncpy(cmd, buffer, (INT) (position - buffer) - 1);
-		if (Token)
+	in = buffer;
+	out = cmd;
+	while (*in)
+	{
+		if (*in == _T('$'))
    	{
-			_tcscat(cmd, _T(" "));
-			_tcscat(cmd, Token);
+			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;
+			}
    	}
-	}
-	else
-	{
-		_tcscpy(cmd, buffer);
-	}
+		if (out >= &cmd[maxlen - 1])
+			break;
+		*out++ = *in++;
+	}
+	*out++ = _T('\n');
+	*out = _T('\0');

cmd_free(buffer);
    cmd_free(tmp);
-
 }

INT CommandAlias (LPTSTR param)

Modified: trunk/reactos/base/shell/cmd/misc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/misc.c?rev=3...
==============================================================================
--- trunk/reactos/base/shell/cmd/misc.c [iso-8859-1] (original)
+++ trunk/reactos/base/shell/cmd/misc.c [iso-8859-1] Sat Feb 28 21:00:38 2009
@@ -515,7 +515,7 @@
    	   ReadFile(hFile, &ch, 1, &dwRead, NULL) && dwRead)
    {
         lpString[len++] = ch;
-        if ((ch == _T('\n')) || (ch == _T('\r')))
+        if (ch == '\n')
    	{
    		/* break at new line*/
    		break;
@@ -530,7 +530,7 @@
    	return FALSE;
    }

-	lpString[len++] = _T('\0');
+	lpString[len++] = '\0';
 #ifdef _UNICODE
    MultiByteToWideChar(CP_ACP, 0, lpString, -1, lpBuffer, len);
    cmd_free(lpString);