* minibuf.c: conform to C89 pointer rules

2 files changed, 3 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 5e2831ea67e..84b32f3455e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -18,6 +18,7 @@
         * keyboard.c (echo_char, MULTI_LETTER_MOD, tty_read_avail_input):
         Likewise.
         * keymap.c (Ftext_char_description): Likewise.
+        * minibuf.c (Fread_buffer): Likewise.
         * insdel.c (insert, insert_and_inherit, insert_before_markers):
         (insert_before_markers_and_inherit, insert_1, insert_1_both):
         Likewise.  This changes these functions' signatures, which is
diff --git a/src/minibuf.c b/src/minibuf.c
index 921657b450a..ec243daac19 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1091,7 +1091,7 @@ function, instead of the usual behavior.  */)
   (Lisp_Object prompt, Lisp_Object def, Lisp_Object require_match)
 {
   Lisp_Object args[4], result;
-  unsigned char *s;
+  char *s;
   int len;
   int count = SPECPDL_INDEX ();
 
@@ -1113,7 +1113,7 @@ function, instead of the usual behavior.  */)
 
           if (STRINGP (prompt))
             {
-              s = SDATA (prompt);
+              s = SSDATA (prompt);
               len = strlen (s);
               if (len >= 2 && s[len - 2] == ':' && s[len - 1] == ' ')
                 len = len - 2;