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| author | Thomas Weißschuh <linux@weissschuh.net> | 2026-04-09 18:22:08 +0200 |
|---|---|---|
| committer | Thomas Weißschuh <linux@weissschuh.net> | 2026-04-27 09:00:49 +0200 |
| commit | f94da2b42bc84bbcdb5d1f41551295fc946c7f7e (patch) | |
| tree | 9f70b92fdd3fc4f0519ee0673ae76e9026e7c5f8 /tools/include | |
| parent | 254f49634ee16a731174d2ae34bc50bd5f45e731 (diff) | |
| download | lwn-f94da2b42bc84bbcdb5d1f41551295fc946c7f7e.tar.gz lwn-f94da2b42bc84bbcdb5d1f41551295fc946c7f7e.zip | |
tools/nolibc: add assert() and assert.h
Add the standard assert() macro from the assert.h header.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260409-nolibc-assert-v1-1-42da8b367e23@weissschuh.net
Diffstat (limited to 'tools/include')
| -rw-r--r-- | tools/include/nolibc/Makefile | 1 | ||||
| -rw-r--r-- | tools/include/nolibc/assert.h | 36 | ||||
| -rw-r--r-- | tools/include/nolibc/nolibc.h | 1 |
3 files changed, 38 insertions, 0 deletions
diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile index 7455097cff69..f0e6e71e8335 100644 --- a/tools/include/nolibc/Makefile +++ b/tools/include/nolibc/Makefile @@ -20,6 +20,7 @@ OUTPUT ?= $(CURDIR)/ architectures := arm arm64 loongarch m68k mips powerpc riscv s390 sh sparc x86 arch_files := arch.h $(addsuffix .h, $(addprefix arch-, $(architectures))) all_files := \ + assert.h \ byteswap.h \ compiler.h \ crt.h \ diff --git a/tools/include/nolibc/assert.h b/tools/include/nolibc/assert.h new file mode 100644 index 000000000000..84ff8ad9ab07 --- /dev/null +++ b/tools/include/nolibc/assert.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * Assert for NOLIBC + * Copyright (C) 2026 Thomas Weißschuh <linux@weissschuh.net> + */ + +/* make sure to include all global symbols */ +#include "nolibc.h" + +#ifndef _NOLIBC_ASSERT_H +#define _NOLIBC_ASSERT_H + +#include "errno.h" +#include "stdio.h" +#include "stdlib.h" + +#endif /* _NOLIBC_ASSERT_H */ + +/* NDEBUG needs to be evaluated on *each* inclusion */ +#ifdef assert +#undef assert +#endif + +#ifndef NDEBUG +#define assert(expr) \ +({ \ + if (!(expr)) { \ + fprintf(stderr, "%s: %s:%d: %s: Assertion `%s' failed.\n", \ + program_invocation_short_name, __FILE__, __LINE__, __func__, \ + #expr); \ + abort(); \ + } \ +}) +#else +#define assert(expr) ((void)0) +#endif diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h index f4120f65fe79..4b99795d7a65 100644 --- a/tools/include/nolibc/nolibc.h +++ b/tools/include/nolibc/nolibc.h @@ -133,6 +133,7 @@ #include "err.h" #include "byteswap.h" #include "endian.h" +#include "assert.h" /* Used by programs to avoid std includes */ #define NOLIBC |