Experimental Physics and
Industrial Control System

mdavidsaver via Core-talk <core-talk at aps.anl.gov> · Mon, 08 Jun 2020 21:34:24 -0000

cat <<EOF > empty.db 
record(ai, "") {}
EOF

gdb --args ./bin/linux-x86_64-debug/softIoc -d empty.db
...
Error: dbRecordHead: Record name can't be empty
 at or before ")" in path "."  file "empty.db" line 1

Thread 1 "softIoc" received signal SIGSEGV, Segmentation fault.
0x00007ffff7f19e74 in popFirstTemp () at ../dbStatic/dbLexRoutines.c:142
142         ptemp = ptempListNode->item;
(gdb) p ptempListNode
$1 = (tempListNode *) 0x0
(gdb) bt
#0  0x00007ffff7f19e74 in popFirstTemp () at ../dbStatic/dbLexRoutines.c:142
#1  0x00007ffff7f1d17c in dbRecordBody () at ../dbStatic/dbLexRoutines.c:1230
...

Neither function is testing for NULL.

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https://bugs.launchpad.net/bugs/1882520

Title:
  Constant arrary input links of size 1 don't work

Status in EPICS Base:
  In Progress

Bug description:
  Constant input links in array form with 1 element don't work and
  return an empty array.

  Example:
  field (INP, [42])

  As soon as a comma is present, it works:
  field (INP, [42,])

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System