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/* 
 * strdup() implementation with error checking (using xmalloc). 
 * 
 * Copyright (c) 1988, 1993 
 *      The Regents of the University of California.  All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. Neither the name of the University nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE. 
 */ 
#include "util.h" 
 
#include "coretype.h" 
 
#if defined(LIBC_SCCS) && !defined(lint) 
static char sccsid[] = "@(#)strdup.c    8.1 (Berkeley) 6/4/93"; 
#endif /* LIBC_SCCS and not lint */ 
 
 
#ifdef WITH_DMALLOC 
#undef yasm__xstrdup 
#endif 
 
char * 
yasm__xstrdup(const char *str) 
{ 
        size_t len; 
        char *copy; 
 
        len = strlen(str) + 1; 
        copy = yasm_xmalloc(len); 
        memcpy(copy, str, len); 
        return (copy); 
} 
 
char * 
yasm__xstrndup(const char *str, size_t max) 
{ 
        size_t len = 0; 
        char *copy; 
 
        while (len < max && str[len] != '\0') 
            len++; 
        copy = yasm_xmalloc(len+1); 
        memcpy(copy, str, len); 
        copy[len] = '\0'; 
        return (copy); 
}