Allow the function to be individually linkable, discardable, and
overridable.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
--- a/xen/common/string.c
+++ b/xen/common/string.c
@@ -184,21 +184,6 @@ char *(strrchr)(const char *s, int c)
}
#endif
-#ifndef __HAVE_ARCH_STRLEN
-/**
- * strlen - Find the length of a string
- * @s: The string to be sized
- */
-size_t (strlen)(const char * s)
-{
- const char *sc;
-
- for (sc = s; *sc != '\0'; ++sc)
- /* nothing */;
- return sc - s;
-}
-#endif
-
#ifndef __HAVE_ARCH_STRNLEN
/**
* strnlen - Find the length of a length-limited string
--- a/xen/lib/Makefile
+++ b/xen/lib/Makefile
@@ -14,6 +14,7 @@ lib-y += muldiv64.o
lib-y += parse-size.o
lib-y += rbtree.o
lib-y += sort.o
+lib-y += strlen.o
lib-$(CONFIG_X86) += xxhash32.o
lib-$(CONFIG_X86) += xxhash64.o
--- /dev/null
+++ b/xen/lib/strlen.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ */
+
+#include <xen/string.h>
+
+/**
+ * strlen - Find the length of a string
+ * @s: The string to be sized
+ */
+size_t (strlen)(const char * s)
+{
+ const char *sc;
+
+ for (sc = s; *sc != '\0'; ++sc)
+ /* nothing */;
+ return sc - s;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ */
