From 258521e17093101d119c494c8e11dbef2e1b01bf Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Wed, 31 Dec 2025 16:20:32 +0100
Subject: [PATCH] hostip.h: drop redundant `setjmp.h` include

Already included directly via `hostip.c`, and other header users do not
use it.

Also add comment about why `setjmp.h` is used.

Cherry-picked from #20106

Closes #20132
---
 lib/hostip.c         | 2 +-
 lib/hostip.h         | 2 --
 tests/server/tftpd.c | 2 +-
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/hostip.c b/lib/hostip.c
index 640010c94a..a0e1d40c81 100644
--- a/lib/hostip.c
+++ b/lib/hostip.c
@@ -40,7 +40,7 @@
 #include <inet.h>
 #endif
 
-#include <setjmp.h>
+#include <setjmp.h>  /* for sigjmp_buf, sigsetjmp() */
 #include <signal.h>
 
 #include "urldata.h"
diff --git a/lib/hostip.h b/lib/hostip.h
index a40e24b88e..712b8eaf1b 100644
--- a/lib/hostip.h
+++ b/lib/hostip.h
@@ -31,8 +31,6 @@
 #include "asyn.h"
 #include "httpsrr.h"
 
-#include <setjmp.h>
-
 #ifdef USE_HTTPSRR
 # include <stdint.h>
 #endif
diff --git a/tests/server/tftpd.c b/tests/server/tftpd.c
index 8c40c40b34..6902b39e7d 100644
--- a/tests/server/tftpd.c
+++ b/tests/server/tftpd.c
@@ -61,7 +61,7 @@
 #include <sys/filio.h>  /* FIONREAD on Solaris 7 */
 #endif
 
-#include <setjmp.h>
+#include <setjmp.h>  /* for sigjmp_buf, sigsetjmp() */
 
 #ifdef HAVE_PWD_H
 #include <pwd.h>