* minibuf.c (Fread_buffer): Don't assume strlen fits in int.

2 files changed, 3 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 8bff8e53fbd..238e37a43a1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,6 @@
 2011-06-20  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * minibuf.c (Fread_buffer):
         * lread.c (intern, intern_c_string):
         * image.c (xpm_scan) [HAVE_NS && !HAVE_XPM]:
         Don't assume string length fits in int.
diff --git a/src/minibuf.c b/src/minibuf.c
index 1b555035cfe..ca2f22df9ed 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1115,7 +1115,7 @@ function, instead of the usual behavior.  */)
 {
   Lisp_Object args[4], result;
   char *s;
-  int len;
+  ptrdiff_t len;
   int count = SPECPDL_INDEX ();
 
   if (BUFFERP (def))
@@ -1137,7 +1137,7 @@ function, instead of the usual behavior.  */)
           if (STRINGP (prompt))
             {
               s = SSDATA (prompt);
-              len = strlen (s);
+              len = SBYTES (prompt);
               if (len >= 2 && s[len - 2] == ':' && s[len - 1] == ' ')
                 len = len - 2;
               else if (len >= 1 && (s[len - 1] == ':' || s[len - 1] == ' '))