Correct compilation issues

netresolve-0.0.1-use-after-free.patch

@@ -0,0 +1,41 @@
+From 1f30af480852de8aa9ccba77a99d55b06832fc87 Mon Sep 17 00:00:00 2001
+From: Petr Mensik <pemensik@redhat.com>
+Date: Sat, 22 Jan 2022 17:51:48 +0100
+Subject: [PATCH] Ensure variable is not used after free
+
+Move free to end of function, where it would not need that variable
+again.
+---
+ backends/hosts.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/backends/hosts.c b/backends/hosts.c
+index a93f74c..2378b6f 100644
+--- a/backends/hosts.c
++++ b/backends/hosts.c
+@@ -126,13 +126,13 @@ read_list(struct hosts_list *list)
+ 	char *new;
+ 	size_t size;
+ 
+-	free(hosts_file);
+ 
+ 	if (fd == -1) {
+ 		error("Cannot read hosts file '%s': %s", hosts_file, strerror(errno));
+ 		goto fail_open;
+ 	}
+ 
++
+ 	while (true) {
+ 		if (current == end)
+ 			goto out;
+@@ -166,6 +166,7 @@ read_list(struct hosts_list *list)
+ out:
+ 	close(fd);
+ fail_open:
++	free(hosts_file);
+ 	add_node(list, NULL, 0, NULL, 0);
+ 	list->reserved = list->count;
+ 	list->items = realloc(list->items, list->reserved * sizeof *list->items);
+-- 
+2.31.1
+

netresolve.spec

@@ -2,7 +2,7 @@
 
 Name: netresolve
 Version: 0.0.1
-Release: 0.32%{?snapshot_suffix}%{?dist}
+Release: 0.33%{?snapshot_suffix}%{?dist}
 Summary: Generic name resolution library
 License: BSD
 # https://github.com/crossdistro/netresolve , possibly?
@@ -14,6 +14,7 @@ Patch0: netresolve-0.0.1-test-equality.patch
 Patch1: netresolve-0.0.1-strncpy.patch
 # https://github.com/crossdistro/netresolve/issues/3
 Patch2: netresolve-0.0.1-hosts.patch
+Patch3: netresolve-0.0.1-use-after-free.patch
 
 BuildRequires: make
 BuildRequires: ldns-devel
@@ -237,6 +238,9 @@ make check || { cat ./test-suite.log; false; }
 %{_libdir}/libnss_netresolve.so
 
 %changelog
+* Sat Jan 22 2022 Petr Menšík <pemensik@redhat.com> - 0.0.1-0.33.20160317git
+- Correct compilation issues
+
 * Thu Jan 20 2022 Fedora Release Engineering <releng@fedoraproject.org> - 0.0.1-0.32.20160317git
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild