From d773a6b96c9960dbdc22229f0f2450f3872281e4 Mon Sep 17 00:00:00 2001
From: Michael Osipov <michael.osipov@siemens.com>
Date: Thu, 10 Mar 2022 12:56:02 +0100
Subject: Add macro for dirfd() on HP-UX because no full POSIX.1-2008 coverage
 exists

HP-UX does neither provide a function nor a macro. This solution based on an
issue with vim: https://github.com/vim/vim/issues/6838
---
 libarchive/archive_read_disk_posix.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libarchive/archive_read_disk_posix.c b/libarchive/archive_read_disk_posix.c
index d0e1f35c..2b39e672 100644
--- a/libarchive/archive_read_disk_posix.c
+++ b/libarchive/archive_read_disk_posix.c
@@ -109,6 +109,11 @@ __FBSDID("$FreeBSD$");
 #define O_CLOEXEC	0
 #endif
 
+#if defined(__hpux) && !defined(HAVE_DIRFD)
+#define dirfd(x) ((x)->__dd_fd)
+#define HAVE_DIRFD
+#endif
+
 /*-
  * This is a new directory-walking system that addresses a number
  * of problems I've had with fts(3).  In particular, it has no
@@ -2428,7 +2433,7 @@ tree_dir_next_posix(struct tree *t)
 #else /* HAVE_FDOPENDIR */
 		if (tree_enter_working_dir(t) == 0) {
 			t->d = opendir(".");
-#if HAVE_DIRFD || defined(dirfd)
+#ifdef HAVE_DIRFD
 			__archive_ensure_cloexec_flag(dirfd(t->d));
 #endif
 		}
-- 
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