2 files changed, 55 insertions, 0 deletions
diff --git a/extra/tzdata/0001-posixtz-ensure-the-file-offset-we-pass-to-lseek-is-o.patch b/extra/tzdata/0001-posixtz-ensure-the-file-offset-we-pass-to-lseek-is-o.patch
new file mode 100644
index 0000000..c4ae70b
--- /dev/null
+++ b/extra/tzdata/0001-posixtz-ensure-the-file-offset-we-pass-to-lseek-is-o.patch
@@ -0,0 +1,27 @@
+From e6765bd363d2dd1dcaeeae5117cc25aae53fb944 Mon Sep 17 00:00:00 2001
+From: William Pitcock <nenolod@dereferenced.org>
+Date: Thu, 28 Apr 2011 02:56:42 -0500
+Subject: [PATCH 1/2] posixtz: ensure the file offset we pass to lseek is off_t
+
+on 32-bit systems, sizeof(off_t) is 4, on 64-bit sizeof(off_t) is 8
+causing a word masking issue.
+---
+ posixtz.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/posixtz.c b/posixtz.c
+index cddcb3e..972ca31 100644
+--- a/posixtz-0.5/posixtz.c
++++ b/posixtz-0.5/posixtz.c
+@@ -36,7 +36,7 @@ char *posix_tz(const char *filename)
+ 	if (r != TZ_BUFLEN
+ 	    || strncmp(buf, "TZif", 4) != 0
+ 	    || (unsigned char)buf[4] < 2
+-	    || lseek(fd, -TZ_BUFLEN, SEEK_END) < 0
++	    || lseek(fd, (off_t) -TZ_BUFLEN, SEEK_END) < 0
+ 	   )
+ 		goto ERROR;
+ 
+-- 
+2.16.2
+
diff --git a/extra/tzdata/0002-fix-implicit-declaration-warnings-by-including-strin.patch b/extra/tzdata/0002-fix-implicit-declaration-warnings-by-including-strin.patch
new file mode 100644
index 0000000..6f61b25
--- /dev/null
+++ b/extra/tzdata/0002-fix-implicit-declaration-warnings-by-including-strin.patch
@@ -0,0 +1,28 @@
+From 89d4aece7ba679703060393ac95086fd514c7fc7 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?S=C3=B6ren=20Tempel?= <soeren+git@soeren-tempel.net>
+Date: Tue, 27 Mar 2018 19:09:44 +0200
+Subject: [PATCH 2/2] fix implicit declaration warnings by including string.h
+ and unistd.h
+
+string.h is needed for strncmp(3) and unistd.h is needed for read(3),
+close(3) and lseek(3).
+---
+ posixtz.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/posixtz.c b/posixtz.c
+index 972ca31..4a36e10 100644
+--- a/posixtz-0.5/posixtz.c
++++ b/posixtz-0.5/posixtz.c
+@@ -14,6 +14,8 @@
+ #include <fcntl.h>
+ #include <limits.h>
+ #include <stdio.h>
++#include <string.h>
++#include <unistd.h>
+ 
+ #include "posixtz.h"
+ 
+-- 
+2.16.2
+