release/src/router/mysql/strings/strappend.c

   1 /* Copyright (c) 2000, 2001, 2007 MySQL AB
   2    Use is subject to license terms.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; version 2 of the License.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program; if not, write to the Free Software
  15    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  16 */
  17
  18 /*  File   : strappend.c
  19     Author : Monty
  20     Updated: 1987.02.07
  21     Defines: strappend()
  22
  23     strappend(dest, len, fill) appends fill-characters to a string so that
  24     the result length == len. If the string is longer than len it's
  25     trunked. The des+len character is allways set to NULL.
  26 */
  27
  28 #include <my_global.h>
  29 #include "m_string.h"
  30
  31
  32 void strappend(register char *s, size_t len, pchar fill)
  33 {
  34   register char *endpos;
  35
  36   endpos = s+len;
  37   while (*s++);
  38   s--;
  39   while (s<endpos) *(s++) = fill;
  40   *(endpos) = '\0';
  41 } /* strappend */