Add GCC-style 'const' attribute to functions that can use it.

2 files changed, 6 insertions, 1 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index e2eb418327e..bc7c5d7114d 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,8 @@
+2012-07-09  Paul Eggert  <eggert@cs.ucla.edu>
+
+        Add GCC-style 'const' attribute to functions that can use it.
+        * etags.c (number_len): Add ATTRIBUTE_CONST.
+
 2012-07-09  Juanma Barranquero  <lekktu@gmail.com>
 
         * emacsclient.c (w32_execvp): Declare execvp to silence the compiler.
diff --git a/lib-src/etags.c b/lib-src/etags.c
index 5bdf3402e55..7141811239f 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -2123,7 +2123,7 @@ invalidate_nodes (fdesc *badfdp, node **npp)
 
 
 static int total_size_of_entries (node *);
-static int number_len (long);
+static int number_len (long) ATTRIBUTE_CONST;
 
 /* Length of a non-negative number's decimal representation. */
 static int