xref: /csrg-svn/lib/libc/string/strdup.c (revision 42635)
136335Sbostic /*
236335Sbostic  * Copyright (c) 1988 The Regents of the University of California.
336335Sbostic  * All rights reserved.
436335Sbostic  *
5*42635Sbostic  * %sccs.include.redist.c%
636335Sbostic  */
736335Sbostic 
836335Sbostic #if defined(LIBC_SCCS) && !defined(lint)
9*42635Sbostic static char sccsid[] = "@(#)strdup.c	5.3 (Berkeley) 06/01/90";
1036335Sbostic #endif /* LIBC_SCCS and not lint */
1136335Sbostic 
1236335Sbostic #include <sys/types.h>
1342181Sbostic #include <stddef.h>
1442181Sbostic #include <string.h>
1536335Sbostic 
1642181Sbostic 
1736335Sbostic char *
1836335Sbostic strdup(str)
1936335Sbostic 	char *str;
2036335Sbostic {
2136335Sbostic 	int len;
2236335Sbostic 	char *copy, *malloc();
2336335Sbostic 
2436335Sbostic 	len = strlen(str) + 1;
2536335Sbostic 	if (!(copy = malloc((u_int)len)))
2636335Sbostic 		return((char *)NULL);
2736335Sbostic 	bcopy(str, copy, len);
2836335Sbostic 	return(copy);
2936335Sbostic }
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