diff options
author | Masahiro Yamada <masahiroy@kernel.org> | 2024-09-08 21:43:16 +0900 |
---|---|---|
committer | Masahiro Yamada <masahiroy@kernel.org> | 2024-09-20 09:21:52 +0900 |
commit | a16219bdd34777cce35b9b6a704bfbaad28adb72 (patch) | |
tree | d221e799e5045aec264139d15d974dc8d65abc95 /scripts/kconfig | |
parent | 9a418218dadf913fe78dbe6ad6b2e31e721b84ef (diff) |
scripts: move hash function from scripts/kconfig/ to scripts/include/
This function was originally added by commit 8af27e1dc4e4 ("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>
Diffstat (limited to 'scripts/kconfig')
-rw-r--r-- | scripts/kconfig/lkc.h | 1 | ||||
-rw-r--r-- | scripts/kconfig/symbol.c | 5 | ||||
-rw-r--r-- | scripts/kconfig/util.c | 13 |
3 files changed, 5 insertions, 14 deletions
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index ddfb2b1cb737..b8ebc3094a23 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -51,7 +51,6 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) } /* util.c */ -unsigned int strhash(const char *s); const char *file_lookup(const char *name); /* lexer.l */ diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 6793f016af5e..6243f0143ecf 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -9,6 +9,7 @@ #include <string.h> #include <regex.h> +#include <hash.h> #include <xalloc.h> #include "internal.h" #include "lkc.h" @@ -893,7 +894,7 @@ struct symbol *sym_lookup(const char *name, int flags) case 'n': return &symbol_no; } } - hash = strhash(name); + hash = hash_str(name); hash_for_each_possible(sym_hashtable, symbol, node, hash) { if (symbol->name && @@ -936,7 +937,7 @@ struct symbol *sym_find(const char *name) case 'n': return &symbol_no; } } - hash = strhash(name); + hash = hash_str(name); hash_for_each_possible(sym_hashtable, symbol, node, hash) { if (symbol->name && diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c index 50698fff5b9d..5cdcee144b58 100644 --- a/scripts/kconfig/util.c +++ b/scripts/kconfig/util.c @@ -8,20 +8,11 @@ #include <stdlib.h> #include <string.h> +#include <hash.h> #include <hashtable.h> #include <xalloc.h> #include "lkc.h" -unsigned int strhash(const char *s) -{ - /* fnv32 hash */ - unsigned int hash = 2166136261U; - - for (; *s; s++) - hash = (hash ^ *s) * 0x01000193; - return hash; -} - /* hash table of all parsed Kconfig files */ static HASHTABLE_DEFINE(file_hashtable, 1U << 11); @@ -35,7 +26,7 @@ const char *file_lookup(const char *name) { struct file *file; size_t len; - int hash = strhash(name); + int hash = hash_str(name); hash_for_each_possible(file_hashtable, file, node, hash) if (!strcmp(name, file->name)) |