From 41beb477c5744bc396fa1162ee0c14218ec12213 Mon Sep 17 00:00:00 2001
From: Mark Adler <madler@alumni.caltech.edu>
Date: Mon, 27 May 2019 08:20:32 -0700
Subject: [PATCH] Fix bug in undefer_input() that misplaced the input state.

---
 fileio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fileio.c b/fileio.c
index c042987..bc00d74 100644
--- a/fileio.c
+++ b/fileio.c
@@ -530,8 +530,10 @@ void undefer_input(__G)
          * This condition was checked when G.incnt_leftover was set > 0 in
          * defer_leftover_input(), and it is NOT allowed to touch G.csize
          * before calling undefer_input() when (G.incnt_leftover > 0)
-         * (single exception: see read_byte()'s  "G.csize <= 0" handling) !!
+         * (single exception: see readbyte()'s  "G.csize <= 0" handling) !!
          */
+        if (G.csize < 0L)
+            G.csize = 0L;
         G.incnt = G.incnt_leftover + (int)G.csize;
         G.inptr = G.inptr_leftover - (int)G.csize;
         G.incnt_leftover = 0;
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<tr><td><span title='2022-05-02 17:57:30 +0200'>2022-05-02</span></td><td><a href='/guix/commit/gnu/services/dict.scm?id=2a37f174becbafd70591f6eb1d98493c5c1df0e2'>services: Make sure Shepherd destructors match constructors.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-01 21:30:35 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/services/dict.scm?id=fd57ce267c4083fe98242caa31075d2bd62903bf'>services: dicod: Use 'make-inetd-constructor'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-01 21:30:35 +0200'>2022-05-01</span></td><td><a href='/guix/commit/gnu/services/dict.scm?id=002bcb7eb0513f56f321c37948653b8d7f0cadb0'>services: dicod: Rewrite using 'least-authority-wrapper'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>