lib/string/strcpy/zustr2stp.[ch], tests/: Remove ZUSTR2STP()

Signed-off-by: Alejandro Colomar <alx@kernel.org>
2024-05-14 18:41:21 +02:00
parent 85a2f36992
commit 2cf73c99a6
5 changed files with 1 additions and 134 deletions
@@ -1,7 +0,0 @@
-// SPDX-FileCopyrightText: 2022-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#include <config.h>
-
-#include "string/strcpy/zustr2stp.h"
@@ -1,58 +0,0 @@
-// SPDX-FileCopyrightText: 2022-2024, Alejandro Colomar <alx@kernel.org>
-// SPDX-License-Identifier: BSD-3-Clause
-
-
-#ifndef SHADOW_INCLUDE_LIB_STRING_STRCPY_ZUSTR2STP_H_
-#define SHADOW_INCLUDE_LIB_STRING_STRCPY_ZUSTR2STP_H_
-
-
-#include <config.h>
-
-#include <assert.h>
-#include <string.h>
-
-#include "must_be.h"
-#include "sizeof.h"
-
-
-/*
- * SYNOPSIS
- *	char *ZUSTR2STP(char *restrict dst, const char src[restrict]);
- *
- * ARGUMENTS
- *	dst	Destination buffer.
- *	src	Source null-padded character sequence.
- *
- * DESCRIPTION
- *	This macro copies at most NITEMS(src) non-null bytes from the
- *	array pointed to by src, followed by a null character, to the
- *	buffer pointed to by dst.
- *
- * RETURN VALUE
- *	dst + strlen(dst)
- *		This function returns a pointer to the terminating NUL
- *		byte.
- *
- * CAVEATS
- *	This function doesn't know the size of the destination buffer.
- *	It assumes it will always be large enough.  Since the size of
- *	the source buffer is known to the caller, it should make sure to
- *	allocate a destination buffer of at least `NITEMS(src) + 1`.
- *
- * EXAMPLES
- *	char  hostname[NITEMS(utmp->ut_host) + 1];
- *
- *	len = ZUSTR2STP(hostname, utmp->ut_host) - hostname;
- *	puts(hostname);
- */
-
-
-#define ZUSTR2STP(dst, src)                                                   \
-({                                                                            \
-	static_assert(!is_array(dst) || sizeof(dst) > SIZEOF_ARRAY(src), ""); \
-                                                                              \
-	stpcpy(mempcpy(dst, src, strnlen(src, NITEMS(src))), "");             \
-})
-
-
-#endif  // include guard