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) 06/18/88"; 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 } 45