tools/nolibc: string: Remove the _nolibc_memcpy_up() function

This function is only called by memcpy(), there is no real reason to
have this wrapper. Delete this function and move the code to memcpy()
directly.

Signed-off-by: Ammar Faizi <[email protected]>
Reviewed-by: Alviro Iskandar Setiawan <[email protected]>
Signed-off-by: Willy Tarreau <[email protected]>
Signed-off-by: Thomas Weißschuh <[email protected]>

Author: ammarfaizi2

tools/include/nolibc/string.h

@@ -27,18 +27,6 @@ int memcmp(const void *s1, const void *s2, size_t n)
 	return c1;
 }
 
-static __attribute__((unused))
-void *_nolibc_memcpy_up(void *dst, const void *src, size_t len)
-{
-	size_t pos = 0;
-
-	while (pos < len) {
-		((char *)dst)[pos] = ((const char *)src)[pos];
-		pos++;
-	}
-	return dst;
-}
-
 #ifndef NOLIBC_ARCH_HAS_MEMMOVE
 /* might be ignored by the compiler without -ffreestanding, then found as
  * missing.
@@ -70,7 +58,13 @@ void *memmove(void *dst, const void *src, size_t len)
 __attribute__((weak,unused,section(".text.nolibc_memcpy")))
 void *memcpy(void *dst, const void *src, size_t len)
 {
-	return _nolibc_memcpy_up(dst, src, len);
+	size_t pos = 0;
+
+	while (pos < len) {
+		((char *)dst)[pos] = ((const char *)src)[pos];
+		pos++;
+	}
+	return dst;
 }
 #endif /* #ifndef NOLIBC_ARCH_HAS_MEMCPY */