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From: Jan Beulich <jbeulich@suse.com>
To: "xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Ian Jackson <iwj@xenproject.org>, Julien Grall <julien@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>
Subject: [PATCH v2 18/20] lib: move strspn()
Date: Wed, 21 Apr 2021 16:26:08 +0200	[thread overview]
Message-ID: <901b2b75-c042-febf-b0cf-a6e7f806b26a@suse.com> (raw)
In-Reply-To: <3ae091ce-6f6c-3ec6-abd3-4490239a707f@suse.com>

Allow the function to be individually linkable, discardable, and
overridable. In fact the function is unused at present, and hence will
now get omitted from the final binaries.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/common/string.c
+++ b/xen/common/string.c
@@ -8,33 +8,6 @@
 #include <xen/string.h>
 #include <xen/ctype.h>
 
-#ifndef __HAVE_ARCH_STRSPN
-/**
- * strspn - Calculate the length of the initial substring of @s which only
- * 	contain letters in @accept
- * @s: The string to be searched
- * @accept: The string to search for
- */
-size_t strspn(const char *s, const char *accept)
-{
-	const char *p;
-	const char *a;
-	size_t count = 0;
-
-	for (p = s; *p != '\0'; ++p) {
-		for (a = accept; *a != '\0'; ++a) {
-			if (*p == *a)
-				break;
-		}
-		if (*a == '\0')
-			return count;
-		++count;
-	}
-
-	return count;
-}
-#endif
-
 #ifndef __HAVE_ARCH_STRPBRK
 /**
  * strpbrk - Find the first occurrence of a set of characters
--- a/xen/lib/Makefile
+++ b/xen/lib/Makefile
@@ -24,6 +24,7 @@ lib-y += strncasecmp.o
 lib-y += strncmp.o
 lib-y += strnlen.o
 lib-y += strrchr.o
+lib-y += strspn.o
 lib-y += strstr.o
 lib-$(CONFIG_X86) += xxhash32.o
 lib-$(CONFIG_X86) += xxhash64.o
--- /dev/null
+++ b/xen/lib/strspn.c
@@ -0,0 +1,40 @@
+/*
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#include <xen/string.h>
+
+/**
+ * strspn - Calculate the length of the initial substring of @s which only
+ * 	contain letters in @accept
+ * @s: The string to be searched
+ * @accept: The string to search for
+ */
+size_t strspn(const char *s, const char *accept)
+{
+	const char *p;
+	const char *a;
+	size_t count = 0;
+
+	for (p = s; *p != '\0'; ++p) {
+		for (a = accept; *a != '\0'; ++a) {
+			if (*p == *a)
+				break;
+		}
+		if (*a == '\0')
+			return count;
+		++count;
+	}
+
+	return count;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ */



  parent reply	other threads:[~2021-04-21 14:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-21 14:15 [PATCH v2 00/20] further population of xen/lib/ Jan Beulich
2021-04-21 14:18 ` [PATCH v2 01/20] lib: move memset() Jan Beulich
2021-04-21 14:18 ` [PATCH v2 02/20] lib: move memcpy() Jan Beulich
2021-04-21 14:19 ` [PATCH v2 03/20] lib: move memmove() Jan Beulich
2021-04-21 14:19 ` [PATCH v2 04/20] lib: move memcmp() Jan Beulich
2021-04-21 14:20 ` [PATCH v2 05/20] lib: move memchr() Jan Beulich
2021-04-21 14:20 ` [PATCH v2 06/20] lib: move memchr_inv() Jan Beulich
2021-04-21 14:22 ` [PATCH v2 07/20] lib: move strlen() Jan Beulich
2021-04-21 14:22 ` [PATCH v2 08/20] lib: move strnlen() Jan Beulich
2021-04-21 14:22 ` [PATCH v2 09/20] lib: move strcmp() Jan Beulich
2021-04-21 14:23 ` [PATCH v2 10/20] lib: move strncmp() Jan Beulich
2021-04-21 14:23 ` [PATCH v2 11/20] lib: move strlcpy() Jan Beulich
2021-04-21 14:24 ` [PATCH v2 12/20] lib: move strlcat() Jan Beulich
2021-04-21 14:24 ` [PATCH v2 13/20] lib: move strchr() Jan Beulich
2021-04-21 14:24 ` [PATCH v2 14/20] lib: move strrchr() Jan Beulich
2021-04-21 14:25 ` [PATCH v2 15/20] lib: move strstr() Jan Beulich
2021-04-21 14:25 ` [PATCH v2 16/20] lib: move strcasecmp() Jan Beulich
2021-04-21 14:25 ` [PATCH v2 17/20] lib: move/rename strnicmp() to strncasecmp() Jan Beulich
2021-04-21 19:20   ` Julien Grall
2021-04-21 14:26 ` Jan Beulich [this message]
2021-04-21 14:26 ` [PATCH v2 19/20] lib: move strpbrk() Jan Beulich
2021-04-21 14:26 ` [PATCH v2 20/20] lib: move strsep() Jan Beulich
2021-04-21 19:21 ` [PATCH v2 00/20] further population of xen/lib/ Julien Grall

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