mariadb/strings/strmake.c

/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
   MA 02111-1307, USA */

/*  File   : strmake.c
    Author : Michael Widenius
    Updated: 20 Jul 1984
    Defines: strmake()

    strmake(dst,src,length) moves length characters, or until end, of src to
    dst and appends a closing NUL to dst.
    strmake() returns pointer to closing null;
*/

#include <global.h>
#include "m_string.h"

#ifdef BAD_STRING_COMPILER

char *strmake(char *dst,const char *src,uint length)
{
  reg1 char *res;

  if ((res=memccpy(dst,src,0,length)))
    return res-1;
  dst[length]=0;
  return dst+length;
}

#define strmake strmake_overlapp	/* Use orginal for overlapping str */
#endif

char *strmake(register char *dst, register const char *src, uint length)
{
  while (length--)
    if (! (*dst++ = *src++))
      return dst-1;
  *dst=0;
  return dst;
}