Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
563 B
C
29 lines
563 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef HASH_H
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#define HASH_H
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static inline unsigned int hash_str(const char *s)
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{
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/* fnv32 hash */
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unsigned int hash = 2166136261U;
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for (; *s; s++)
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hash = (hash ^ *s) * 0x01000193;
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return hash;
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}
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/* simplified version of functions from include/linux/hash.h */
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#define GOLDEN_RATIO_32 0x61C88647
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static inline unsigned int hash_32(unsigned int val)
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{
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return 0x61C88647 * val;
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}
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static inline unsigned int hash_ptr(const void *ptr)
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{
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return hash_32((unsigned int)(unsigned long)ptr);
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}
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#endif /* HASH_H */
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