linux-kernel - [PATCH nolibc 09/61] tools/nolibc/ctype: split the is* functions to ctype.h

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Date:   Mon, 18 Apr 2022 17:41:33 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     gwml@...r.gnuweeb.org, kernel-team@...com, w@....eu,
        Willy Tarreau <w@....eu>,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: [PATCH nolibc 09/61] tools/nolibc/ctype: split the is* functions to ctype.h

From: Willy Tarreau <w@....eu>

In fact there's only isdigit() for now. More should definitely be added.

Signed-off-by: Willy Tarreau <w@....eu>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 tools/include/nolibc/ctype.h  | 22 ++++++++++++++++++++++
 tools/include/nolibc/nolibc.h |  7 +------
 2 files changed, 23 insertions(+), 6 deletions(-)
 create mode 100644 tools/include/nolibc/ctype.h

diff --git a/tools/include/nolibc/ctype.h b/tools/include/nolibc/ctype.h
new file mode 100644
index 000000000000..6735bd906f25
--- /dev/null
+++ b/tools/include/nolibc/ctype.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
+/*
+ * ctype function definitions for NOLIBC
+ * Copyright (C) 2017-2021 Willy Tarreau <w@....eu>
+ */
+
+#ifndef _NOLIBC_CTYPE_H
+#define _NOLIBC_CTYPE_H
+
+#include "std.h"
+
+/*
+ * As much as possible, please keep functions alphabetically sorted.
+ */
+
+static __attribute__((unused))
+int isdigit(int c)
+{
+	return (unsigned int)(c - '0') <= 9;
+}
+
+#endif /* _NOLIBC_CTYPE_H */
diff --git a/tools/include/nolibc/nolibc.h b/tools/include/nolibc/nolibc.h
index b06bd5cb5651..c96c6cb7f3ae 100644
--- a/tools/include/nolibc/nolibc.h
+++ b/tools/include/nolibc/nolibc.h
@@ -87,18 +87,13 @@
 #include "arch.h"
 #include "types.h"
 #include "sys.h"
+#include "ctype.h"
 #include "stdlib.h"
 #include "string.h"
 
 /* Used by programs to avoid std includes */
 #define NOLIBC
 
-static __attribute__((unused))
-int isdigit(int c)
-{
-	return (unsigned int)(c - '0') <= 9;
-}
-
 static __attribute__((unused))
 const char *ltoa(long in)
 {
-- 
2.31.1.189.g2e36527f23