static char rcsid[] = "@(#)$Id: shiftlower.c,v 1.8 2006/04/09 07:37:05 hurtta Exp $";

/******************************************************************************
 *  The Elm (ME+) Mail System  -  $Revision: 1.8 $   $State: Exp $
 *
 *  Modified by: Kari Hurtta <hurtta+elm@posti.FMI.FI> 
 *                           (was hurtta+elm@ozone.FMI.FI)
 ******************************************************************************
 *  The Elm Mail System 
 *
 *			Copyright (c) 1988-1992 USENET Community Trust
 *			Copyright (c) 1986,1987 Dave Taylor
 *****************************************************************************/

#include "headers.h"

DEBUG_VAR(Debug,__FILE__,"mem");

char *shift_lower(string)
     CONST char *string;
{
	/** return 'string' shifted to lower case.  Do NOT touch the
	    actual string handed to us! **/

	static char buffer[VERY_LONG_STRING];
	char *bufptr = buffer;
	CONST char *src0 = string;

	if (string == NULL) {
		buffer[0] = 0;
		return( (char *) buffer);
	}
	for (; *string && bufptr - buffer < sizeof buffer; 
	     string++, bufptr++)
#ifdef ASCII_CTYPE
	  if (isascii(string[i]))
#endif
	    *bufptr = tolower((unsigned char)*string);
	
	*bufptr = 0;
	
	if (*string != '\0') {
	  DPRINT(Debug,1,(&Debug,
			  "shift_lower: --- too long string (max=%d): %.30s...\n",
			  sizeof buffer -1,src0));
	}


	return( (char *) buffer);
}

/*
 * Local Variables:
 *  mode:c
 *  c-basic-offset:4
 *  buffer-file-coding-system: iso-8859-1
 * End:
 */