xref: /csrg-svn/lib/libc/gen/opendir.c (revision 7659)
15750Smckusick /* Copyright (c) 1982 Regents of the University of California */
25750Smckusick 
3*7659Smckusick static char sccsid[] = "@(#)opendir.c 4.3 08/04/82";
45750Smckusick 
55750Smckusick #include <sys/types.h>
66097Smckusic #include <sys/stat.h>
75750Smckusick #include <ndir.h>
85750Smckusick 
95750Smckusick /*
105750Smckusick  * open a directory.
115750Smckusick  */
125750Smckusick DIR *
135750Smckusick opendir(name)
145750Smckusick 	char *name;
155750Smckusick {
166097Smckusic 	register DIR *dirp;
17*7659Smckusick 	register int fd;
186097Smckusic 	struct stat sbuf;
195750Smckusick 
20*7659Smckusick 	if ((fd = open(name, 0)) == -1)
215750Smckusick 		return NULL;
22*7659Smckusick 	fstat(fd, &sbuf);
23*7659Smckusick 	if (((sbuf.st_mode & S_IFDIR) == 0) ||
24*7659Smckusick 	    ((dirp = (DIR *)malloc(sizeof(DIR))) == NULL)) {
25*7659Smckusick 		close (fd);
266097Smckusic 		return NULL;
276097Smckusic 	}
28*7659Smckusick 	dirp->dd_fd = fd;
295750Smckusick 	dirp->dd_loc = 0;
305750Smckusick 	return dirp;
315750Smckusick }
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