update CLib

git-svn-id: svn://kolibrios.org@614 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/open watcom/trunk/clib/environ/gtcmd.c

@@ -0,0 +1,85 @@
+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    The Original Code and all software distributed under the License are
+*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
+*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
+*    NON-INFRINGEMENT. Please see the License for the specific language
+*    governing rights and limitations under the License.
+*
+*  ========================================================================
+*
+* Description:  Multi-platform implementation of getcmd() and _bgetcmd().
+*
+****************************************************************************/
+
+
+#include "variety.h"
+#include <limits.h>
+#include <ctype.h>
+#include <string.h>
+#if defined(__NT__)
+#elif defined(__OS2__)
+#endif
+
+#if !defined( __NETWARE__ ) || defined( _NETWARE_LIBC )
+    #include <process.h>
+#endif
+
+extern char *_LpCmdLine;
+
+_WCRTLINK int _bgetcmd( char *buffer, int len )
+{
+    int         cmdlen;
+    char        *cmd;
+    char        *tmp;
+
+    if( buffer && (len > 0) )
+        *buffer = '\0';
+
+    cmd = _LpCmdLine;
+    if( !cmd )
+        return( 0 );
+
+    while( *cmd == ' ' || *cmd == '\t' )
+        ++cmd;
+
+    for( cmdlen = 0, tmp = cmd; *tmp; ++tmp, ++cmdlen )
+        ;
+
+    if( !buffer || (len <= 0) )
+        return( cmdlen );
+
+    len--;
+    len = (len < cmdlen) ? len : cmdlen;
+
+    while( len ) {
+        *buffer++ = *cmd++;
+        --len;
+    }
+    buffer[len] = '\0';
+
+    return( cmdlen );
+} /* _bgetcmd() */
+
+
+_WCRTLINK char *getcmd( char *buffer )
+{
+    _bgetcmd( buffer, INT_MAX );
+    return( buffer );
+} /* getcmd() */