!12 fix memory leak

From: @binlingyu 
Reviewed-by: @robertxw 
Signed-off-by: @robertxw

5000-fix-memory-leak.patch

@@ -0,0 +1,38 @@
+From ddacb22dac891332c759293ab6297090216b121b Mon Sep 17 00:00:00 2001
+From: binlingyu <binlingyu@uniontech.com>
+Date: Mon, 20 May 2024 16:24:12 +0800
+Subject: [PATCH] fix-memory-leak
+
+---
+ hostname.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/hostname.c b/hostname.c
+index 5be268e..63200be 100644
+--- a/hostname.c
++++ b/hostname.c
+@@ -262,15 +262,20 @@ show_name(enum type_t type)
+ 	switch(type)
+ 	{
+ 		case DEFAULT: 
+-			printf("%s\n", localhost());
++			p=localhost();
++			printf("%s\n", p);
++			free(p);
+ 			break;
+ 		case SHORT:
+ 			p = localhost();
+ 			*(strchrnul(p, '.')) = '\0';
+ 			printf("%s\n", p);
++			free(p);
+ 			break;
+ 		case NIS:
+-			printf("%s\n", localdomain());
++			p=localdomain();
++			printf("%s\n", p);
++			free(p);
+ 			break;
+ 		case NIS_DEF:
+ 			printf("%s\n", localnisdomain());
+-- 
+2.20.1

hostname.spec

@@ -1,7 +1,7 @@
 Summary: Utility to set/show the host name or domain name
 Name:    hostname
 Version: 3.23
-Release: 1
+Release: 2
 License: GPLv2+
 URL:     http://packages.qa.debian.org/h/hostname.html
 Source0: http://ftp.de.debian.org/debian/pool/main/h/hostname/hostname_%{version}.tar.gz
@@ -9,6 +9,7 @@ Source1: https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 Source2: nis-domainname
 Source3: nis-domainname.service
 Patch1:  hostname-rh.patch
+Patch2:  5000-fix-memory-leak.patch
 
 BuildRequires: gcc
 
@@ -50,6 +51,12 @@ fi
 %{_libexecdir}/%{name}/*
 
 %changelog
+* Tue May 28 2024 binlingyu <binlingyu@uniontech.com> - 3.23-2
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC:Fix memory leak.
+
 * Sat Oct 29 2022 zhouyihang <zhouyihang3@h-partners.com> - 3.23-1
 - Type:requirement
 - ID:NA