(echo_prompt): Always set current_kboard->echoptr to

the end of the prompt.  Set echo_after_prompt to the offset
of echoptr in echobuf.

1 files changed, 17 insertions, 16 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index d8fc173e7d8..d8c96c82add 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -692,36 +692,37 @@ void
 echo_prompt (str)
      Lisp_Object str;
 {
-  int len = STRING_BYTES (XSTRING (str));
+  int nbytes = STRING_BYTES (XSTRING (str));
   int multibyte_p = STRING_MULTIBYTE (str);
 
-  if (len > ECHOBUFSIZE - 4)
+  if (nbytes > ECHOBUFSIZE - 4)
     {
       if (multibyte_p)
         {
-          unsigned char *p = XSTRING (str)->data, *lastp = p;
+          /* Have to find the last character that fit's into the 
+             echo buffer.  */
+          unsigned char *p = XSTRING (str)->data;
           unsigned char *pend = p + ECHOBUFSIZE - 4;
+          int char_len;
 
-          while (p < pend)
+          do 
             {
-              int this_len;
-
-              lastp = p;
-              PARSE_MULTIBYTE_SEQ (p, pend - p, this_len);
-              p += this_len;
+              PARSE_MULTIBYTE_SEQ (p, pend - p, char_len);
+              p += char_len;
             }
-          len = lastp - XSTRING (str)->data;
+          while (p < pend);
+
+          nbytes = p - XSTRING (str)->data - char_len;
         }
       else
-        len = ECHOBUFSIZE - 4;
+        nbytes = ECHOBUFSIZE - 4;
     }
 
-  current_kboard->echoptr
-    += copy_text (XSTRING (str)->data, current_kboard->echobuf, len,
-                  STRING_MULTIBYTE (str), 1);
+  nbytes = copy_text (XSTRING (str)->data, current_kboard->echobuf, nbytes,
+                      STRING_MULTIBYTE (str), 1);
+  current_kboard->echoptr = current_kboard->echobuf + nbytes;
   *current_kboard->echoptr = '\0';
-
-  current_kboard->echo_after_prompt = len;
+  current_kboard->echo_after_prompt = nbytes;
 
   echo_now ();
 }