Pacify --enable-gcc-warnings for buffer-hash etc.

* src/fns.c (make_digest_string): Now static.
(secure_hash): Omit unused local.

2 files changed, 5 insertions, 7 deletions

diff --git a/etc/NEWS b/etc/NEWS
index b358bfcc8de..66777e9f931 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -54,11 +54,11 @@ has been added.  They are: 'file-attribute-type',
 'file-attribute-device-number'
 
 +++
-** The new function `buffer-hash' has been added, and can be used to
+** The new function 'buffer-hash' has been added, and can be used to
 compute a fash, non-consing hash of the contents of a buffer.
 
 ---
-** `fill-paragraph' no longer marks the buffer as changed unless it
+** 'fill-paragraph' no longer marks the buffer as changed unless it
 actually changed something.
 
 ---
diff --git a/src/fns.c b/src/fns.c
index 9513387f93e..114a556612a 100644
--- a/src/fns.c
+++ b/src/fns.c
@@ -4737,13 +4737,12 @@ returns nil, then (funcall TEST x1 x2) also returns nil.  */)
 #include "sha256.h"
 #include "sha512.h"
 
-Lisp_Object
+static Lisp_Object
 make_digest_string (Lisp_Object digest, int digest_size)
 {
   unsigned char *p = SDATA (digest);
-  int i;
 
-  for (i = digest_size - 1; i >= 0; i--)
+  for (int i = digest_size - 1; i >= 0; i--)
     {
       static char const hexdigit[16] = "0123456789abcdef";
       int p_i = p[i];
@@ -4760,7 +4759,6 @@ secure_hash (Lisp_Object algorithm, Lisp_Object object, Lisp_Object start,
              Lisp_Object end, Lisp_Object coding_system, Lisp_Object noerror,
              Lisp_Object binary)
 {
-  int i;
   ptrdiff_t size, start_char = 0, start_byte, end_char = 0, end_byte;
   register EMACS_INT b, e;
   register struct buffer *bp;
@@ -5014,7 +5012,6 @@ If nil, use the current buffer." */ )
   Lisp_Object buffer;
   struct buffer *b;
   struct sha1_ctx ctx;
-  Lisp_Object digest = make_uninit_string (SHA1_DIGEST_SIZE * 2);
 
   if (NILP (buffer_or_name))
     buffer = Fcurrent_buffer ();
@@ -5038,6 +5035,7 @@ If nil, use the current buffer." */ )
                         BUF_Z_ADDR (b) - BUF_GAP_END_ADDR (b),
                         &ctx);
 
+  Lisp_Object digest = make_uninit_string (SHA1_DIGEST_SIZE * 2);
   sha1_finish_ctx (&ctx, SSDATA (digest));
   return make_digest_string (digest, SHA1_DIGEST_SIZE);
 }