ack/lang/cem/libcc/gen/opendir.c
1987-01-27 15:57:55 +00:00

28 lines
462 B
C

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/dir.h>
/*
* open a directory.
*/
DIR *opendir(name)
char *name;
{
register DIR *dirp;
register int fd;
struct stat stbuf;
extern char *malloc();
if ((fd = open(name, 0)) == -1)
return NULL;
fstat(fd, &stbuf);
if (((stbuf.st_mode & S_IFDIR) == 0) ||
((dirp = (DIR *)malloc(sizeof (DIR))) == NULL)) {
close (fd);
return NULL;
}
dirp->dd_fd = fd;
dirp->dd_loc = 0;
return dirp;
}