root/libutil/strlimcpy.c

/* */

DEFINITIONS

1. strlimcpy

   1 /*
   2  * Copyright (c) 2002 Tama Communications Corporation
   3  *
   4  * This file is part of GNU GLOBAL.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  * 
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  * 
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 
  20 #ifdef HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23 #include "die.h"
  24 #include "strlimcpy.h"
  25 
  26 /**
  27  * strlimcpy: copy string with limit.
  28  *
  29  *      @param[out]     dest    destination string
  30  *      @param[in]      source  source string
  31  *      @param[in]      limit   size of @a dest
  32  *
  33  * @note This function is similar to @NAME{strlcpy()} of @NAME{OpenBSD} but is different
  34  * because @NAME{strlimcpy} abort when it beyond the limit.
  35  */
  36 void
  37 strlimcpy(char *dest, const char *const source, const int limit)
  38 {
  39         int n = (int)limit;
  40         const char *s = source;
  41 
  42         while (n--)
  43                 if (!(*dest++ = *s++))
  44                         return;
  45         die("buffer overflow. strlimcpy(dest, '%s', %d).", source, limit);
  46 }

/* */