diff mbox series

[24/27] kconfig: move strhash() to a header

Message ID	20240202155825.314567-25-masahiroy@kernel.org
State	New
Headers	Received-SPF: pass (google.com: domain of linux-kernel+bounces-50084-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; From: Masahiro Yamada <masahiroy@kernel.org> To: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Masahiro Yamada <masahiroy@kernel.org> Subject: [PATCH 24/27] kconfig: move strhash() to a header Date: Sat, 3 Feb 2024 00:58:22 +0900 Message-Id: <20240202155825.314567-25-masahiroy@kernel.org> In-Reply-To: <20240202155825.314567-1-masahiroy@kernel.org> References: <20240202155825.314567-1-masahiroy@kernel.org> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-getmail-retrieved-from-mailbox: INBOX
Series	kconfig: refactor lexer and parser code \| [00/27] kconfig: refactor lexer and parser code [01/27] kconfig: fix infinite loop when expanding a macro at the end of file [02/27] kconfig: fix off-by-one in zconf_error() [03/27] kconfig: remove orphan lookup_file() declaration [04/27] kconfig: remove compat_getline() [05/27] kconfig: remove unneeded sym_find() call in conf_parse() [06/27] kconfig: write Kconfig files to autoconf.cmd in order [07/27] kconfig: call env_write_dep() right after yyparse() [08/27] kconfig: split preprocessor prototypes into preprocess.h [09/27] kconfig: replace current_pos with separate cur_{filename,lineno} [10/27] kconfig: remove zconf_curname() and zconf_lineno() [11/27] kconfig: associate struct menu with file name directly [12/27] kconfig: associate struct property with file name directly [13/27] kconfig: replace file->name with name in zconf_nextfile() [14/27] kconfig: do not delay the cur_filename update [15/27] kconfig: replace remaining current_file->name with cur_filename [16/27] kconfig: move the file and lineno in struct file to struct buffer [17/27] kconfig: make file::name a flexible array member [18/27] kconfig: change file_lookup() to return the file name [19/27] kconfig: split list_head into a separate header [20/27] kconfig: resync list.h [21/27] kconfig: import more list macros and inline functions [22/27] kconfig: add macros useful for hashtable [23/27] kconfig: move ARRAY_SIZE to a header [24/27] kconfig: move strhash() to a header [25/27] kconfig: convert linked list of files to hash table [26/27] kconfig: use generic macros to implement symbol hashtable [27/27] kconfig: do not imply the type of choice value

Commit Message

Masahiro Yamada Feb. 2, 2024, 3:58 p.m. UTC

  Move strhash() to a header, so it can be used from other files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

 scripts/kconfig/symbol.c | 10 +---------
 scripts/kconfig/util.h   | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 9 deletions(-)
 create mode 100644 scripts/kconfig/util.h

diff mbox series

Patch

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index dae630a74e50..518977c525de 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -10,6 +10,7 @@ 
 #include <regex.h>
 
 #include "lkc.h"
+#include "util.h"
 
 struct symbol symbol_yes = {
 	.name = "y",
@@ -803,15 +804,6 @@  bool sym_is_changeable(struct symbol *sym)
 	return sym->visible > sym->rev_dep.tri;
 }
 
-static unsigned strhash(const char *s)
-{
-	/* fnv32 hash */
-	unsigned hash = 2166136261U;
-	for (; *s; s++)
-		hash = (hash ^ *s) * 0x01000193;
-	return hash;
-}
-
 struct symbol *sym_lookup(const char *name, int flags)
 {
 	struct symbol *symbol;
diff --git a/scripts/kconfig/util.h b/scripts/kconfig/util.h
new file mode 100644
index 000000000000..d4e35bee6450
--- /dev/null
+++ b/scripts/kconfig/util.h
@@ -0,0 +1,15 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef UTIL_H
+#define UTIL_H
+
+static unsigned int strhash(const char *s)
+{
+	/* fnv32 hash */
+	unsigned int hash = 2166136261U;
+
+	for (; *s; s++)
+		hash = (hash ^ *s) * 0x01000193;
+	return hash;
+}
+
+#endif /* UTIL_H */