[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/libc/misc/dirent/readdir.c b/ap/build/uClibc/libc/misc/dirent/readdir.c
new file mode 100644
index 0000000..4fcd1cc
--- /dev/null
+++ b/ap/build/uClibc/libc/misc/dirent/readdir.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <features.h>
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <dirent.h>
+#include "dirstream.h"
+
+
+struct dirent *readdir(DIR * dir)
+{
+	ssize_t bytes;
+	struct dirent *de;
+
+	if (!dir) {
+		__set_errno(EBADF);
+		return NULL;
+	}
+
+	__UCLIBC_MUTEX_LOCK(dir->dd_lock);
+
+	do {
+	    if (dir->dd_size <= dir->dd_nextloc) {
+		/* read dir->dd_max bytes of directory entries. */
+		bytes = __getdents(dir->dd_fd, dir->dd_buf, dir->dd_max);
+		if (bytes <= 0) {
+		    de = NULL;
+		    goto all_done;
+		}
+		dir->dd_size = bytes;
+		dir->dd_nextloc = 0;
+	    }
+
+	    de = (struct dirent *) (((char *) dir->dd_buf) + dir->dd_nextloc);
+
+	    /* Am I right? H.J. */
+	    dir->dd_nextloc += de->d_reclen;
+
+	    /* We have to save the next offset here. */
+	    dir->dd_nextoff = de->d_off;
+
+	    /* Skip deleted files.  */
+	} while (de->d_ino == 0);
+
+all_done:
+	__UCLIBC_MUTEX_UNLOCK(dir->dd_lock);
+	return de;
+}
+libc_hidden_def(readdir)