date and time created 91/04/12 13:40:37 by bostic

[unix-history] / usr / src / lib / libc / string / strdup.c

/*
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strdup.c    5.4 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <stddef.h>
#include <stdlib.h>
#include <string.h>

char *
strdup(str)
       const char *str;
{
       int len;
       char *copy;

       len = strlen(str) + 1;
       if (!(copy = malloc((u_int)len)))
               return((char *)NULL);
       bcopy(str, copy, len);
       return(copy);
}