From 354824aeceb339dbd854c90f397d9a6c8a27505b Mon Sep 17 00:00:00 2001
From: Kaz Kyheku <kaz@kylheku.com>
Date: Tue, 28 Jan 2020 05:25:00 -0800
Subject: New functions: chown, lchown.

* configure: New configure test for chown, fchown and lchown.

* sysif.c (get_fd): Define for HAVE_CHOWN also.
(do_chown, chown_wrap, lchown_wrap): New functions.
(sysif_init): chown and lchown intrinsics registered.

* txr.1: Documented.
---
 configure | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index 69a69e57..fcfe51c8 100755
--- a/configure
+++ b/configure
@@ -2425,6 +2425,25 @@ else
   printf "no\n"
 fi
 
+printf "Checking for chown/fchown/lchown ... "
+cat > conftest.c <<!
+#include <unistd.h>
+
+int main(void)
+{
+  int r0 = chown("a", 0, 0);
+  int r1 = fchown(4, 0, 0);
+  int r2 = lchown("a", 0, 0);
+  return 0;
+}
+!
+if conftest ; then
+  printf "yes\n"
+  printf "#define HAVE_CHOWN 1\n" >> config.h
+else
+  printf "no\n"
+fi
+
 printf "Checking for pipe ... "
 cat > conftest.c <<!
 #include <unistd.h>
-- 
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