From 210212143b6cbafa886e24ae6a3c1723870cb2e3 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 5 Dec 2004 18:52:33 +0000
Subject: Include <stdlib.h>. (__fpending): Abort if PENDING_OUTPUT_N_BYTES is
 negative. This ensures that if there is an error in the definition of the
 PENDING_OUTPUT_N_BYTES expression, we'll find about it right away; this value
 is used only in the rare event that close_stdout's fclose fails with EBADF.

---
 lib/__fpending.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/__fpending.c b/lib/__fpending.c
index 007302c8c..c2405cd63 100644
--- a/lib/__fpending.c
+++ b/lib/__fpending.c
@@ -21,6 +21,8 @@
 # include <config.h>
 #endif
 
+#include <stdlib.h>
+
 #include "__fpending.h"
 
 /* Return the number of pending (aka buffered, unflushed)
@@ -28,5 +30,8 @@
 size_t
 __fpending (FILE *fp)
 {
-  return PENDING_OUTPUT_N_BYTES;
+  ptrdiff_t n = PENDING_OUTPUT_N_BYTES;
+  if (n < 0)
+    abort ();
+  return n;
 }
-- 
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