[PATCH v2 11/20] lib: move strlcpy()

[Jan Beulich <jbeulich@xxxxxxxx>]

Allow the function to be individually linkable, discardable, and
overridable.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

--- a/xen/common/string.c
+++ b/xen/common/string.c
@@ -56,32 +56,6 @@ int (strcasecmp)(const char *s1, const c
 }
 #endif
 
-#ifndef __HAVE_ARCH_STRLCPY
-/**
- * strlcpy - Copy a %NUL terminated string into a sized buffer
- * @dest: Where to copy the string to
- * @src: Where to copy the string from
- * @size: size of destination buffer
- *
- * Compatible with *BSD: the result is always a valid
- * NUL-terminated string that fits in the buffer (unless,
- * of course, the buffer size is zero). It does not pad
- * out the result like strncpy() does.
- */
-size_t strlcpy(char *dest, const char *src, size_t size)
-{
-       size_t ret = strlen(src);
-
-       if (size) {
-               size_t len = (ret >= size) ? size-1 : ret;
-               memcpy(dest, src, len);
-               dest[len] = '\0';
-       }
-       return ret;
-}
-EXPORT_SYMBOL(strlcpy);
-#endif
-
 #ifndef __HAVE_ARCH_STRLCAT
 /**
  * strlcat - Append a %NUL terminated string into a sized buffer
--- a/xen/lib/Makefile
+++ b/xen/lib/Makefile
@@ -15,6 +15,7 @@ lib-y += parse-size.o
 lib-y += rbtree.o
 lib-y += sort.o
 lib-y += strcmp.o
+lib-y += strlcpy.o
 lib-y += strlen.o
 lib-y += strncmp.o
 lib-y += strnlen.o
--- /dev/null
+++ b/xen/lib/strlcpy.c
@@ -0,0 +1,38 @@
+/*
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#include <xen/string.h>
+
+/**
+ * strlcpy - Copy a %NUL terminated string into a sized buffer
+ * @dest: Where to copy the string to
+ * @src: Where to copy the string from
+ * @size: size of destination buffer
+ *
+ * Compatible with *BSD: the result is always a valid
+ * NUL-terminated string that fits in the buffer (unless,
+ * of course, the buffer size is zero). It does not pad
+ * out the result like strncpy() does.
+ */
+size_t strlcpy(char *dest, const char *src, size_t size)
+{
+       size_t ret = strlen(src);
+
+       if (size) {
+               size_t len = (ret >= size) ? size-1 : ret;
+               memcpy(dest, src, len);
+               dest[len] = '\0';
+       }
+       return ret;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 8
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * End:
+ */