linux-kernel - [RFC PATCH v1 4/5] tools/nolibc: string: Remove the `_nolibc_memcpy

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Date:   Wed, 30 Aug 2023 20:57:25 +0700
From:   Ammar Faizi <ammarfaizi2@...weeb.org>
To:     Willy Tarreau <w@....eu>,
        Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Ammar Faizi <ammarfaizi2@...weeb.org>,
        Nicholas Rosenberg <inori@...x.org>,
        Alviro Iskandar Setiawan <alviro.iskandar@...weeb.org>,
        Michael William Jonathan <moe@...weeb.org>,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH v1 4/5] tools/nolibc: string: Remove the `_nolibc_memcpy_down()` function

This nolibc internal function is not used. Delete it. It was probably
supposed to handle memmove(), but today the memmove() has its own
implementation.

Signed-off-by: Ammar Faizi <ammarfaizi2@...weeb.org>
---
 tools/include/nolibc/string.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h
index 3c941289d5dd0985..b0d7d8e143f61741 100644
--- a/tools/include/nolibc/string.h
+++ b/tools/include/nolibc/string.h
@@ -41,16 +41,6 @@ void *_nolibc_memcpy_up(void *dst, const void *src, size_t len)
 	return dst;
 }
 
-static __attribute__((unused))
-void *_nolibc_memcpy_down(void *dst, const void *src, size_t len)
-{
-	while (len) {
-		len--;
-		((char *)dst)[len] = ((const char *)src)[len];
-	}
-	return dst;
-}
-
 #ifndef NOLIBC_ARCH_HAS_MEMMOVE
 /* might be ignored by the compiler without -ffreestanding, then found as
  * missing.
-- 
Ammar Faizi