Re: [bug-gawk] fatal: print to "standard output" failed (Broken pipe)

[Aharon Robbins]

Hi.

> Date: Thu, 31 Oct 2013 16:58:57 +0100
> From: Hermann Peifer <address@hidden>
> To: address@hidden
> Subject: [bug-gawk] fatal: print to "standard output" failed (Broken pipe)
>
> Hi again,
>
> The error message "fatal: print to "standard output" failed (Broken 
> pipe)" continues to appear (sometimes). It looks to me that the error 
> message occurs more often and more consistently with growing file sizes, 
> see below.
>
> I tested with gawk from git, both under 64-bit Linux and Mac OS X.
>
> Hermann

Here's a patch to try. It fixes it for me under GNU/Linux.

Arnold
-------------------------------------------------
diff --git a/ChangeLog b/ChangeLog
index 3798a5f..ac6c9da 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-31         Arnold D. Robbins     <address@hidden>
+
+       * builtin.c (efwrite): Ignore EPIPE on stdout if write error.
+       Thanks to Hermann Peifer for helping root this one out.
+
 2013-10-22         Arnold D. Robbins     <address@hidden>
 
        Revise error messages when writing to standard output or standard
diff --git a/builtin.c b/builtin.c
index 9258ea6..f558fc9 100644
--- a/builtin.c
+++ b/builtin.c
@@ -125,9 +125,11 @@ efwrite(const void *ptr,
        return;
 
 wrerror:
-       fatal(_("%s to \"%s\" failed (%s)"), from,
-               rp ? rp->value : _("standard output"),
-               errno ? strerror(errno) : _("reason unknown"));
+       /* don't fatal on EPIPE to stdout */
+       if (fp != stdout || errno != EPIPE)
+               fatal(_("%s to \"%s\" failed (%s)"), from,
+                       rp ? rp->value : _("standard output"),
+                       errno ? strerror(errno) : _("reason unknown"));
 }
 
 /* do_exp --- exponential function */