1 files changed, 84 insertions, 0 deletions
diff --git a/libc/syscall/dirent.c b/libc/syscall/dirent.c
new file mode 100644
index 0000000..bbb3c13
--- /dev/null
+++ b/libc/syscall/dirent.c
@@ -0,0 +1,84 @@
+
+#include <errno.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <malloc.h>
+
+#ifdef L_opendir
+DIR  *
+opendir(dname)
+const char *dname;
+{
+   struct stat st;
+   int   fd;
+   DIR  *p;
+
+   if (stat(dname, &st) < 0)
+      return 0;
+
+   if (!S_ISDIR(st.st_mode))
+   {
+      errno = ENOTDIR;
+      return 0;
+   }
+   if ((fd = open(dname, O_RDONLY)) < 0)
+      return 0;
+
+   p = malloc(sizeof(DIR));
+   if (p == 0)
+   {
+      close(fd);
+      return 0;
+   }
+
+   p->dd_buf = malloc(sizeof(struct dirent));
+   if (p->dd_buf == 0)
+   {
+      free(p);
+      close(fd);
+      return 0;
+   }
+   p->dd_fd = fd;
+   p->dd_loc = p->dd_size = 0;
+
+   return p;
+}
+#endif
+
+#ifdef L_closedir
+int
+closedir(dirp)
+DIR  *dirp;
+{
+   int   fd;
+   fd = dirp->dd_fd;
+   free(dirp->dd_buf);
+   free(dirp);
+   return close(fd);
+}
+#endif
+
+#ifdef L_readdir
+/*
+ * This currently assumes we see a v. simple diectory structure, it's
+ * probably faked!
+ */
+struct dirent *
+readdir(dirp)
+DIR  *dirp;
+{
+   int   cc;
+   cc = read(dirp->dd_fd, dirp->dd_buf, sizeof(struct dirent));
+
+   if (cc <= 0)
+      return 0;
+   if (cc != sizeof(struct dirent))
+   {
+      errno = EBADF;
+      return 0;
+   }
+   return dirp->dd_buf;
+}
+#endif