Squash commits for public release

libs/libc/dirent/dirent.c

@@ -0,0 +1,41 @@
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sysdep.h>
+#include <unistd.h>
+
+/* TODO: Will be replaced with malloc */
+DIR dirarr[8];
+int nxt = 0;
+
+DIR* opendir(char* name)
+{
+    int fd = open(name, O_RDONLY | O_DIRECTORY);
+    if (fd < 0) {
+        errno = -fd;
+        return 0;
+    }
+
+    /* TODO: Replace with malloc */
+    dirarr[nxt].fd = fd;
+    dirarr[nxt].size = 128;
+    dirarr[nxt].allocated = 128;
+    dirarr[nxt].offset = 0;
+    return &dirarr[nxt++];
+}
+
+int closedir(DIR* dir)
+{
+    if (dir->fd < 0) {
+        errno = EBADF;
+        return -1;
+    }
+
+    close(dir->fd);
+    return 0;
+}
+
+ssize_t getdents(int fd, char* buf, size_t len)
+{
+    return (ssize_t)DO_SYSCALL_3(SYS_GETDENTS, fd, buf, len);
+}