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Upstream uses CVS, this is taken from the Github mirror
https://github.com/file/file/commit/218fdf813fd5ccecbb8887a1b62509cd1c6dd3a1.patch
https://sources.debian.org/src/file/1%3A5.45-2/debian/patches/1690555105.FILE5_45-1-g218fdf81.deal-with-32-bit-time-t.patch/
From 218fdf813fd5ccecbb8887a1b62509cd1c6dd3a1 Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Fri, 28 Jul 2023 14:38:25 +0000
Subject: [PATCH] deal with 32 bit time_t
---
src/file.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/file.h b/src/file.h
index 2e0494d2f..78f574ea1 100644
--- a/src/file.h
+++ b/src/file.h
@@ -27,7 +27,7 @@
*/
/*
* file.h - definitions for file(1) program
- * @(#)$File: file.h,v 1.247 2023/07/27 19:40:22 christos Exp $
+ * @(#)$File: file.h,v 1.248 2023/07/28 14:38:25 christos Exp $
*/
#ifndef __file_h__
@@ -159,9 +159,11 @@
/*
* Dec 31, 23:59:59 9999
* we need to make sure that we don't exceed 9999 because some libc
- * implementations like muslc crash otherwise
+ * implementations like muslc crash otherwise. If you are unlucky
+ * to be running on a system with a 32 bit time_t, then it is even less.
*/
-#define MAX_CTIME CAST(time_t, 0x3afff487cfULL)
+#define MAX_CTIME \
+ CAST(time_t, sizeof(time_t) > 4 ? 0x3afff487cfULL : 0x7fffffffULL)
#define FILE_BADSIZE CAST(size_t, ~0ul)
#define MAXDESC 64 /* max len of text description/MIME type */
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