Add in cffi 1.12.2 (e0c7666)

Since this is a mercurial repo, d/led zip of src:
https://bitbucket.org/cffi/cffi/get/v1.12.2.zip

Also add in misc METADATA/NOTICE/Android.bp/etc files.

Bug: 122778810
Test: None
Change-Id: I36c58ed07a2cdd4d9d11831908175a5c988f33c1

1 files changed, 36 insertions, 0 deletions

diff --git a/demo/readdir2_build.py b/demo/readdir2_build.py
new file mode 100644
index 0000000..5cfd872
--- /dev/null
+++ b/demo/readdir2_build.py
@@ -0,0 +1,36 @@
+from cffi import FFI
+
+ffi = FFI()
+ffi.cdef("""
+
+    typedef ... DIR;
+
+    struct dirent {
+        unsigned char  d_type;      /* type of file; not supported
+                                       by all file system types */
+        char           d_name[...]; /* filename */
+        ...;
+    };
+
+    int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result);
+    int openat(int dirfd, const char *pathname, int flags);
+    DIR *fdopendir(int fd);
+    int closedir(DIR *dirp);
+
+    static const int DT_DIR;
+
+""")
+ffi.set_source("_readdir2_cffi", """
+#ifndef _ATFILE_SOURCE
+#  define _ATFILE_SOURCE
+#endif
+#ifndef _BSD_SOURCE
+#  define _BSD_SOURCE
+#endif
+#include <fcntl.h>
+#include <sys/types.h>
+#include <dirent.h>
+""")
+
+if __name__ == '__main__':
+    ffi.compile()