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expressions: Major work to improve error messages.
[pspp]
/
src
/
data
/
dataset.c
diff --git
a/src/data/dataset.c
b/src/data/dataset.c
index 648e00f04ee1c094ea7a60bf8068b3f60452f0c0..e11f173948cc0ec1293ffa5f6800a8702e69e074 100644
(file)
--- a/
src/data/dataset.c
+++ b/
src/data/dataset.c
@@
-376,6
+376,8
@@
dataset_set_display (struct dataset *ds, enum dataset_display display)
time_t
time_of_last_procedure (struct dataset *ds)
{
+ if (!ds)
+ return time (NULL);
if (ds->last_proc_invocation == 0)
update_last_proc_invocation (ds);
return ds->last_proc_invocation;