Ticket #3944: readline_fix.patch

common/file.cpp

@@ -469 +469 @@
                 return 0;
 
         real_len = fread(ptr2, 1, len, (FILE *)_handle);
-        if (real_len < len) {
+        if (real_len < len && !eof()) {
                 _ioFailed = true;
         }
 

common/stream.cpp

@@ -171 +171 @@
                 if (ioFailed() || (len == 0 && eos()))
                         return 0;
 
+                // If end-of-file occurs and characters have been read,
+                // return them.
+                if (eos()) {
+                        *p = 0;
+                        return buf;
+                }
+
                 // Check for CR or CR/LF
                 // * DOS and Windows use CRLF line breaks
                 // * Unix and OS X use LF line breaks