mkname.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 75 行

/****************************************************************************
*
*                            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
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


//
// MKNAME       : file name processing
//

#include "ftnstd.h"
#include "sdfile.h"

#include <string.h>


int     MakeName( char *fn, char *extn, char *buff ) {
//====================================================

    int         len;

    len = CopyMaxStr( fn, buff, MAX_FILE );
    if( extn != NULL ) {
        buff += len;
        if( EXTN_MARKER != NULLCHAR ) {
            *buff = EXTN_MARKER;
            ++buff;
            ++len;
        }
        len += CopyMaxStr( extn, buff, MAX_FILE - len );
    }
    return( len );
}


int     CopyMaxStr( char *str, char *buff, int max_len ) {
//========================================================

    int         len;

    len = strlen( str );
    if( len > max_len ) {
        len = max_len;
    }
    memcpy( buff, str, len );
    buff[ len ] = NULLCHAR;
    return( len );
}