1 files changed, 49 insertions, 0 deletions
diff --git a/io/test-stat.c b/io/test-stat.c
new file mode 100644
index 0000000000..dc2e2dd60e
--- /dev/null
+++ b/io/test-stat.c
@@ -0,0 +1,49 @@
+/* We need to define:
+#define _FILE_OFFSET_BITS 64
+#define _LARGEFILE64_SOURCE 1
+*/
+
+#include <assert.h>
+#include <stddef.h>
+#include <sys/stat.h>
+
+int
+main (void)
+{
+  /* With _FILE_OFFSET_BITS=64 struct stat and struct stat64 should
+     be identical.  */
+  assert (sizeof (struct stat)
+	  == sizeof (struct stat64));
+  assert (offsetof (struct stat, st_dev)
+	  == offsetof (struct stat64, st_dev));
+  assert (offsetof (struct stat, st_ino)
+	  == offsetof (struct stat64, st_ino));
+  assert (offsetof (struct stat, st_mode)
+	  == offsetof (struct stat64, st_mode));
+  assert (offsetof (struct stat, st_nlink)
+	  == offsetof (struct stat64, st_nlink));
+  assert (offsetof (struct stat, st_uid)
+	  == offsetof (struct stat64, st_uid));
+  assert (offsetof (struct stat, st_gid)
+	  == offsetof (struct stat64, st_gid));
+  assert (offsetof (struct stat, st_rdev)
+	  == offsetof (struct stat64, st_rdev));
+  assert (offsetof (struct stat, st_size)
+	  == offsetof (struct stat64, st_size));
+  assert (offsetof (struct stat, st_atime)
+	  == offsetof (struct stat64, st_atime));
+  assert (offsetof (struct stat, st_mtime)
+	  == offsetof (struct stat64, st_mtime));
+  assert (offsetof (struct stat, st_ctime)
+	  == offsetof (struct stat64, st_ctime));
+  assert (offsetof (struct stat, st_blksize)
+	  == offsetof (struct stat64, st_blksize));
+  assert (offsetof (struct stat, st_blocks)
+	  == offsetof (struct stat64, st_blocks));
+#if 0
+  /* Some systems have st_fstype but not all.  Don't check it for now.  */
+  assert (offsetof (struct stat, st_fstype)
+	  == offsetof (struct stat64, st_fstype));
+#endif
+  return 0;
+}