[PATCH] base32: mark function as __attribute__ const

[Pádraig Brady]

* lib/base32.h (isbase32): Mark __attribute__ const as
suggested by GCC, and consistent with the base64 module.
---
 ChangeLog    | 6 ++++++
 lib/base32.h | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 7384900..cfefa5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2015-09-01  P??draig Brady  <address@hidden>
+
+       base32: mark function as __attribute__ const
+       * lib/base32.h (isbase32): Mark __attribute__ const as
+       suggested by GCC, and consistent with the base64 module.
+
 2015-08-20  Daiki Ueno  <address@hidden>
 
        gnulib-tool: don't transform binary files with sed
diff --git a/lib/base32.h b/lib/base32.h
index f2cc060..7787da9 100644
--- a/lib/base32.h
+++ b/lib/base32.h
@@ -34,7 +34,7 @@ struct base32_decode_context
   char buf[8];
 };
 
-extern bool isbase32 (char ch);
+extern bool isbase32 (char ch) _GL_ATTRIBUTE_CONST;
 
 extern void base32_encode (const char *restrict in, size_t inlen,
                            char *restrict out, size_t outlen);
-- 
2.4.1