X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fbytestring%2Fbytestring.h;h=dd1f913ca45ee2f0dbe7d66f50f175256927095b;hb=712dc43d55741bc11490abae8f7edbb8ec982f0d;hp=0d1c929e599564d92984c836b9f434b5195dbd1e;hpb=3f60b879d0ca10fed16e6432180c847ad90b8d80;p=ccan

diff --git a/ccan/bytestring/bytestring.h b/ccan/bytestring/bytestring.h
index 0d1c929e..dd1f913c 100644
--- a/ccan/bytestring/bytestring.h
+++ b/ccan/bytestring/bytestring.h
@@ -11,6 +11,7 @@
 
 #include <ccan/array_size/array_size.h>
 #include <ccan/mem/mem.h>
+#include <ccan/compiler/compiler.h>
 
 struct bytestring {
 	const char *ptr;
@@ -29,7 +30,8 @@ struct bytestring {
  *	struct bytestring bs = bytestring(x, 5);
  *	assert(bs.len == 5);
  */
-static inline struct bytestring bytestring(const char *p, size_t l)
+static inline CONST_FUNCTION struct bytestring
+bytestring(const char *p, size_t l)
 {
 	struct bytestring bs = {
 		.ptr = p,
@@ -53,6 +55,18 @@ static inline struct bytestring bytestring(const char *p, size_t l)
  */
 #define BYTESTRING(s) (bytestring((s), ARRAY_SIZE(s) - 1))
 
+/**
+ * BYTESTRING_INIT - bytestring initializer
+ * @s: string literal
+ *
+ * Produces an initializer for a bytestring from a literal string.
+ * The resulting bytestring will not include the terminating \0, but
+ * will include any internal \0s.
+ *
+ * Example:
+ *	static const struct bytestring CONSTANT = BYTESTRING_INIT("CONSTANT");
+ */
+#define BYTESTRING_INIT(s) { .ptr = (s), .len = ARRAY_SIZE(s) - 1}
 
 /**
  * bytestring_from_string - construct a bytestring from a NUL terminated string