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/* $NetBSD: ialloc.c,v 1.9 2012/10/26 18:29:34 christos Exp $ */
/*
** This file is in the public domain, so clarified as of
** 2006-07-17 by Arthur David Olson.
*/
#if HAVE_NBTOOL_CONFIG_H
#include "nbtool_config.h"
#endif
#include <sys/cdefs.h>
#if 0
static char elsieid[] = "@(#)ialloc.c 8.30";
#else
__RCSID("$NetBSD: ialloc.c,v 1.9 2012/10/26 18:29:34 christos Exp $");
#endif
#include "private.h"
char *
icatalloc(char *const old, const char *const new)
{
char * result;
int oldsize, newsize;
newsize = (new == NULL) ? 0 : strlen(new);
if (old == NULL)
oldsize = 0;
else if (newsize == 0)
return old;
else
oldsize = strlen(old);
if ((result = realloc(old, oldsize + newsize + 1)) != NULL)
if (new != NULL)
(void) strcpy(result + oldsize, new); /* XXX strcpy is safe */
return result;
}
char *
icpyalloc(const char *const string)
{
return icatalloc(NULL, string);
}
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