detect write error on stdout

* src/fid.c: Include "closeout.h".
(main): Use it via atexit.
* src/fnid.c (main): Likewise.
* src/lid.c (main): Likewise.
* src/mkid.c (main): Likewise.
* src/xtokid.c (main): Likewise.
* NEWS: Mention the bug fixes.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/mkid.c b/src/mkid.c
index fdf9926..c0528cb 100644
--- a/src/mkid.c
+++ b/src/mkid.c
@@ -34,6 +34,7 @@
 #include <xalloc.h>
 #include <error.h>
 
+#include "closeout.h"
 #include "xnls.h"
 #include "idfile.h"
 #include "hash.h"
@@ -59,7 +60,6 @@ struct summary
 
 void usage (void);
 static void help_me (void);
-int main (int argc, char **argv);
 static int ceil_log_8 (unsigned long n);
 static int ceil_log_2 (unsigned long n);
 static void assert_writeable (char const *file_name);
@@ -209,6 +209,8 @@ main (int argc, char **argv)
   textdomain (PACKAGE);
 #endif
 
+  atexit (close_stdout);
+
   for (;;)
     {
       int optc = getopt_long (argc, argv, "o:f:i:x:l:m:d:p:vVs",