[LTP] lib: Add SAFE_SPLICE() macro

[linuxtestproject.agent@gmail.com]

Hi Andrea,

--- [PATCH 1/2] ---

On Mon, 4 May 2026, Andrea Cervesato wrote:
> lib: Add SAFE_SPLICE() macro
>
> Add new SAFE_SPLIT() in lapi/splice.h.

"SAFE_SPLIT()" -> "SAFE_SPLICE()".

> -#include "lapi/splice.h"
> ...
> +	SAFE_SPLICE(file_fd, &off_in, pipefd[1], NULL, OVERWRITE_SIZE, 0);

After this commit, SAFE_SPLICE() is called in af_alg08.c, tee01.c, and
vmsplice01.c but all three no longer include <lapi/splice.h> — the tree
does not compile. The include removal and the SAFE_SPLICE() conversion
must not be split across commits.

This patch also mixes "add library macro" with "convert test files";
split them: patch 1 touches only lapi/splice.h, patch 2 adds the
include and converts the splice() calls in all three test files.

--- [PATCH 2/2] ---

On Mon, 4 May 2026, Andrea Cervesato wrote:
> tee01, vmsplice01, af_alg08: Use SAFE_SPLICE()
>
> Replace raw splice() calls with SAFE_SPLICE() in tests where splice is
> utility plumbing, not the subject of testing.

This patch only adds three "#include lapi/splice.h" lines; the actual
splice()-to-SAFE_SPLICE() conversion is in patch 1/2. Subject and body
must describe what this patch actually does, or better: restructure
the series so the conversion and its include live in the same commit.

---
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