!70 backport Fix signed vs unsigned comparison

From: @SilVER_CODE 
Reviewed-by: @ziyangc 
Signed-off-by: @ziyangc

backport-Fix-signed-vs-unsigned-comparison.patch

@@ -0,0 +1,29 @@
+From 1cd845bffbe55a63ee985e7bf161a52d763f9c36 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <serge.guelton@telecom-bretagne.eu>
+Date: Sat, 22 Apr 2023 02:16:04 +0800
+Subject: [PATCH] Fix signed vs unsigned comparison (#765)
+
+As reported by -Wsign-compare. In the case of getting the result of
+comparing the result of sysconf (_SC_PAGESIZE) to other value, this also
+correctly handles edge cases where the above fails and returns -1.
+
+Signed-off-by: Wang Zhang <silver_code@hust.edu.cn>
+---
+ src/closures.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/closures.c b/src/closures.c
+index 5120021..c02e818 100644
+--- a/src/closures.c
++++ b/src/closures.c
+@@ -734,7 +734,7 @@ open_temp_exec_file (void)
+ static int
+ allocate_space (int fd, off_t offset, off_t len)
+ {
+-  static size_t page_size;
++  static long page_size;
+ 
+   /* Obtain system page size. */
+   if (!page_size)
+-- 
+2.34.1

libffi.spec

@@ -1,12 +1,13 @@
 Name:		libffi
 Version:	3.3
-Release:	9
+Release:	10
 Summary:	A Portable Foreign Function Interface Library
 License:	MIT
 URL:		http://sourceware.org/libff
 Source0:	ftp://sourceware.org/pub/libffi/%{name}-%{version}.tar.gz
 
 Patch0: 	Add-gcc-bug-tests-back.patch
+Patch1: 	backport-Fix-signed-vs-unsigned-comparison.patch
 
 BuildRequires:  gcc gcc-c++ dejagnu
 BuildRequires:  make
@@ -89,6 +90,12 @@ fi
 %{_infodir}/libffi.info.gz
 
 %changelog
+* Sat Apr 22 2023 zhangwang<silver_code@hust.edu.cn> - 3.3-10
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:backport patches from upstream
+
 * Fri Dec 16 2022 wangjiang <wangjiang37@h-partners.com> - 3.3-9
 - Type:bugfix
 - ID:NA