case: Introduce new functions for numbers and substrings in cases.

[pspp] / src / math / merge.c

diff --git a/src/math/merge.c b/src/math/merge.c
index 5b0704d9c26850518041ad52f6457b23344b1952..b5745ceeea062f21ad061882814101df8d497ab8 100644 (file)
--- a/src/math/merge.c
+++ b/src/math/merge.c
@@ -86,7 +86,7 @@ merge_append (struct merge *m, struct casereader *r)
 struct casereader *
 merge_make_reader (struct merge *m)
 {
-  struct casereader *r;
+  struct casereader *r = NULL;
 
   if (m->input_cnt > 1)
     do_merge (m);
@@ -137,7 +137,7 @@ do_merge (struct merge *m)
     taint_propagate (casereader_get_taint (m->inputs[i].reader),
                      casewriter_get_taint (w));
 
-  for (i = 0; i < m->input_cnt; )
+  for (i = 0; i < m->input_cnt;)
     if (read_input_case (m, i))
       i++;
   while (m->input_cnt > 0)