fixes #9456 by only calling c_fclose if non nil

2018-10-20 20:35:04 +02:00 · 2018-10-20 20:35:04 +02:00 · e190f485ae
commit e190f485ae
parent 863d3ef4ed
1 changed files with 4 additions and 1 deletions
--- a/lib/system/sysio.nim
+++ b/lib/system/sysio.nim
@ -130,7 +130,10 @@ else:
 const
  BufSize = 4000

-proc close*(f: File) = discard c_fclose(f)
+proc close*(f: File) =
+  if not f.isNil:
+    discard c_fclose(f)
+
 proc readChar(f: File): char =
  let x = c_fgetc(f)
  if x < 0: