From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 23 Aug 2020 07:54:44 +0000 (+0200)
Subject: include: kernel.h: define SSIZE_MAX
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=ed0b10722c880d82e5da2a357122f5ae0e53d4db;p=u-boot.git

include: kernel.h: define SSIZE_MAX

Define SSIZE_MAX, the largest value fitting into a variable of type
ssize_t.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b88c210065..3e71d61074 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -19,6 +19,9 @@
 #ifndef SIZE_MAX
 #define SIZE_MAX	(~(size_t)0)
 #endif
+#ifndef SSIZE_MAX
+#define SSIZE_MAX	((ssize_t)(SIZE_MAX >> 1))
+#endif
 
 #define U8_MAX		((u8)~0U)
 #define S8_MAX		((s8)(U8_MAX>>1))