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The sys_foo() naming scheme used by the syscall wrappers may collide with application symbols. Especially as 'sys_' is an obvious naming scheme an application may choose for its own custom systemcall wrappers. Avoid these conflicts by using an leading underscore which moves the names into the implementation's namespace. This naming scheme was chosen over a '__nolibc_' prefix, as these functions are not an implementation detail but a documented interface meant to be used by applications. While this may break some existing users, adapting them should be straightforward. Given that nolibc is most-likely vendored, no unexpected breakage should happen. No in-tree users are affected. These conflicts happen when compiling some of the kernel selftests with nolibc. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260319-nolibc-namespacing-v1-1-33c22eaddb5e@weissschuh.net
35 lines
792 B
C
35 lines
792 B
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
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/*
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* random definitions for NOLIBC
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* Copyright (C) 2025 Thomas Weißschuh <thomas.weissschuh@linutronix.de>
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*/
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/* make sure to include all global symbols */
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#include "../nolibc.h"
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#ifndef _NOLIBC_SYS_RANDOM_H
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#define _NOLIBC_SYS_RANDOM_H
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#include "../arch.h"
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#include "../sys.h"
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#include <linux/random.h>
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/*
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* ssize_t getrandom(void *buf, size_t buflen, unsigned int flags);
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*/
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static __attribute__((unused))
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ssize_t _sys_getrandom(void *buf, size_t buflen, unsigned int flags)
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{
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return __nolibc_syscall3(__NR_getrandom, buf, buflen, flags);
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}
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static __attribute__((unused))
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ssize_t getrandom(void *buf, size_t buflen, unsigned int flags)
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{
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return __sysret(_sys_getrandom(buf, buflen, flags));
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}
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#endif /* _NOLIBC_SYS_RANDOM_H */
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