| 1 | /* |
| 2 | * Copyright (c) 1988 The Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * %sccs.include.redist.c% |
| 6 | */ |
| 7 | |
| 8 | #if defined(LIBC_SCCS) && !defined(lint) |
| 9 | static char sccsid[] = "@(#)strdup.c 5.4 (Berkeley) %G%"; |
| 10 | #endif /* LIBC_SCCS and not lint */ |
| 11 | |
| 12 | #include <stddef.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <string.h> |
| 15 | |
| 16 | char * |
| 17 | strdup(str) |
| 18 | const char *str; |
| 19 | { |
| 20 | int len; |
| 21 | char *copy; |
| 22 | |
| 23 | len = strlen(str) + 1; |
| 24 | if (!(copy = malloc((u_int)len))) |
| 25 | return((char *)NULL); |
| 26 | bcopy(str, copy, len); |
| 27 | return(copy); |
| 28 | } |