root/libutil/strlimcpy.c

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DEFINITIONS

This source file includes following definitions.
  1. strlimcpy

/*
 * Copyright (c) 2002 Tama Communications Corporation
 *
 * This file is part of GNU GLOBAL.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "die.h"
#include "strlimcpy.h"

/*
 * strlimcpy: copy string with limit.
 *
 *      o)      dest    destination string
 *      i)      source  source string
 *      i)      limit   size of dest
 *
 * NOTE: This function is similar to strlcpy of OpenBSD but is different
 * because strlimcpy abort when it beyond the limit.
 */
void
strlimcpy(char *dest, const char *const source, const int limit)
{
        int n = (int)limit;
        const char *s = source;

        while (n--)
                if (!(*dest++ = *s++))
                        return;
        die("buffer overflow. strlimcpy(dest, '%s', %d).", source, limit);
}

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