linux-kernel - [PATCH 04/12] tools/nolibc: use 64-bit off

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Message-Id: <20251029-nolibc-uapi-types-v1-4-e79de3b215d8@weissschuh.net>
Date: Wed, 29 Oct 2025 17:02:54 +0100
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 04/12] tools/nolibc: use 64-bit off_t

The kernel uses 64-bit values for file offsets.
Currently these might be truncated to 32-bit when assigned to
nolibc's off_t values.

Switch to 64-bit off_t consistently.

Suggested-by: Arnd Bergmann <arnd@...db.de>
Link: https://lore.kernel.org/lkml/cec27d94-c99d-4c57-9a12-275ea663dda8@app.fastmail.com/
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/include/nolibc/std.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/include/nolibc/std.h b/tools/include/nolibc/std.h
index eae457d60858..392f4dd94158 100644
--- a/tools/include/nolibc/std.h
+++ b/tools/include/nolibc/std.h
@@ -26,7 +26,7 @@ typedef   signed int          pid_t;
 typedef unsigned int          uid_t;
 typedef unsigned int          gid_t;
 typedef unsigned long       nlink_t;
-typedef   signed long         off_t;
+typedef  int64_t              off_t;
 typedef   signed long     blksize_t;
 typedef   signed long      blkcnt_t;
 typedef __kernel_time_t      time_t;

-- 
2.51.1.dirty