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572246dcdd
Remove the limitation of only handling small major and minor numbers. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Willy Tarreau <w@1wt.eu> Link: https://patch.msgid.link/20260404-nolibc-makedev-v2-5-456a429bf60c@weissschuh.net
38 lines
892 B
C
38 lines
892 B
C
/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
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/*
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* Sysmacro definitions for NOLIBC
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* Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
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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_SYSMACROS_H
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#define _NOLIBC_SYS_SYSMACROS_H
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#include "../std.h"
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static __inline__ dev_t __nolibc_makedev(unsigned int maj, unsigned int min)
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{
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return (((dev_t)maj & ~0xfff) << 32) | ((maj & 0xfff) << 8) |
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(((dev_t)min & ~0xff) << 12) | (min & 0xff);
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}
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#define makedev(maj, min) __nolibc_makedev(maj, min)
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static __inline__ unsigned int __nolibc_major(dev_t dev)
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{
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return ((dev >> 32) & ~0xfff) | ((dev >> 8) & 0xfff);
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}
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#define major(dev) __nolibc_major(dev)
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static __inline__ unsigned int __nolibc_minor(dev_t dev)
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{
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return ((dev >> 12) & ~0xff) | (dev & 0xff);
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}
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#define minor(dev) __nolibc_minor(dev)
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#endif /* _NOLIBC_SYS_SYSMACROS_H */
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