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scripts: move hash function from scripts/kconfig/ to scripts/include/

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This function was originally added by commit 8af27e1dc4 ("fixdep: use
hash table instead of a single array").

Move it to scripts/include/ so that other host programs can use it.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-09-08 21:43:16 +09:00
parent 9a418218da
commit a16219bdd3
4 changed files with 20 additions and 14 deletions
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15
scripts/include/hash.h Normal file
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@ -0,0 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef HASH_H
#define HASH_H
static inline unsigned int hash_str(const char *s)
{
/* fnv32 hash */
unsigned int hash = 2166136261U;
for (; *s; s++)
hash = (hash ^ *s) * 0x01000193;
return hash;
}
#endif /* HASH_H */