From 2abb57c5b8ff8f3b54134d4f3388de599c25449c Mon Sep 17 00:00:00 2001
From: bung87 <crc32@qq.com>
Date: Fri, 27 May 2022 10:50:05 +0800
Subject: [PATCH] fix #19600 No error checking on fclose

---
 lib/std/syncio.nim    | 4 +++-
 tests/misc/t19600.nim | 9 +++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 tests/misc/t19600.nim

diff --git a/lib/std/syncio.nim b/lib/std/syncio.nim
index eab96254a8973..9354d4d4abcba 100644
--- a/lib/std/syncio.nim
+++ b/lib/std/syncio.nim
@@ -324,7 +324,9 @@ const
 proc close*(f: File) {.tags: [], gcsafe.} =
   ## Closes the file.
   if not f.isNil:
-    discard c_fclose(f)
+    let x = c_fclose(f)
+    if x < 0:
+      checkErr(f)
 
 proc readChar*(f: File): char {.tags: [ReadIOEffect].} =
   ## Reads a single character from the stream `f`. Should not be used in
diff --git a/tests/misc/t19600.nim b/tests/misc/t19600.nim
new file mode 100644
index 0000000000000..3708dac1825e2
--- /dev/null
+++ b/tests/misc/t19600.nim
@@ -0,0 +1,9 @@
+discard """
+  targets: "c cpp"
+  disabled: "win"
+  disabled: "osx"
+  exitcode: 1
+  outputsub: "No space left on device"
+"""
+
+writeFile("/dev/full", "hello\n")