| 1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms are permitted |
| 6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, |
| 8 | * advertising materials, and other materials related to such |
| 9 | * distribution and use acknowledge that the software was developed |
| 10 | * by the University of California, Berkeley. The name of the |
| 11 | * University may not be used to endorse or promote products derived |
| 12 | * from this software without specific prior written permission. |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 16 | */ |
| 17 | |
| 18 | #if defined(LIBC_SCCS) && !defined(lint) |
| 19 | static char sccsid[] = "@(#)opendir.c 5.3 (Berkeley) %G%"; |
| 20 | #endif /* LIBC_SCCS and not lint */ |
| 21 | |
| 22 | #include <sys/param.h> |
| 23 | #include <sys/dir.h> |
| 24 | |
| 25 | /* |
| 26 | * open a directory. |
| 27 | */ |
| 28 | DIR * |
| 29 | opendir(name) |
| 30 | char *name; |
| 31 | { |
| 32 | register DIR *dirp; |
| 33 | register int fd; |
| 34 | |
| 35 | if ((fd = open(name, 0)) == -1) |
| 36 | return NULL; |
| 37 | if ((dirp = (DIR *)malloc(sizeof(DIR))) == NULL) { |
| 38 | close (fd); |
| 39 | return NULL; |
| 40 | } |
| 41 | dirp->dd_fd = fd; |
| 42 | dirp->dd_loc = 0; |
| 43 | return dirp; |
| 44 | } |