/*****************************************************************************/
/*                                                                           */
/*				   strutil.h				     */
/*                                                                           */
/*			   String utility functions			     */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2001-2003 Ullrich von Bassewitz                                       */
/*               Römerstrasse 52                                             */
/*               D-70794 Filderstadt                                         */
/* EMail:        uz@cc65.org                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/



#include <string.h>
#include <ctype.h>

/* common */
#include "strutil.h"



/*****************************************************************************/
/*     	       	       	       	     Code				     */
/*****************************************************************************/



char* StrCopy (char* Dest, size_t DestSize, const char* Source)
/* Copy Source to Dest honouring the maximum size of the target buffer. In
 * constrast to strncpy, the resulting string will always be NUL terminated.
 * The function returns the pointer to the destintation buffer.
 */
{
    size_t Len = strlen (Source);
    if (Len >= DestSize) {
        memcpy (Dest, Source, DestSize-1);
	Dest[DestSize-1] = '\0';
    } else {
	memcpy (Dest, Source, Len+1);
    }
    return Dest;
}



int StrCaseCmp (const char* S1, const char* S2)
/* Compare two strings ignoring case */        
{
    int Diff;
    while ((Diff = toupper (*S1) - toupper (*S2)) == 0 && *S1) {
        ++S1;
        ++S2;
    }
    return Diff;
}