Allow output files to overwrite input files (bug #21280). Thanks to

[pspp-builds.git] / src / data / scratch-handle.h

diff --git a/src/data/scratch-handle.h b/src/data/scratch-handle.h
index 1d638ef59b2bed5b895355d98a27aa74d65f74ed..c7775f4de995c0460221d3149ed700fa50f0abc1 100644 (file)
--- a/src/data/scratch-handle.h
+++ b/src/data/scratch-handle.h
@@ -22,6 +22,7 @@
 /* A scratch file. */
 struct scratch_handle
   {
+    unsigned int unique_id;             /* Identifies this scratch file. */
     struct dictionary *dictionary;      /* Dictionary. */
     struct casereader *casereader;      /* Cases. */
   };