wrhidfrs.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            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:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <stddef.h>
#include <string.h>
#include "layer0.h"
#include "wresrtns.h"
#include "util.h"
#include "reserr.h"

WResHelpID * WResHelpIDFromStr( const char * newstr )
/*******************************************/
/* allocate a Help ID and fill it in */
{
    WResHelpID *newid;
    unsigned    strsize;

    strsize = strlen( newstr );
    /* check the size of the string:  can it fit in one byte? */
    if (strsize <= 0xff) {
        /* allocate the new Help ID */
        // if strsize is non-zero then the memory allocated is larger
        // than required by 1 byte
        newid = WRESALLOC( sizeof(WResHelpID) + strsize );

        if (newid == NULL) {
            WRES_ERROR( WRS_MALLOC_FAILED );
        } else {
            newid->IsName = TRUE;
            newid->ID.Name.NumChars = strsize;
            memcpy( newid->ID.Name.Name, newstr, strsize );
        }
    } else {
        WRES_ERROR( WRS_BAD_PARAMETER );
        newid = NULL;
    }

    return( newid );
} /* WResHelpIDFromStr */