(Fformat): Detect incomplete format spec at string's end.

diff --git a/src/editfns.c b/src/editfns.c
index f31c7f66e15429161eeb4c79a2063e09fa66f144..31324cfde6f4889918b17616b8cf2efaf75fdc98 100644 (file)
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -2447,6 +2447,8 @@ Use %% to put a single % into the output.")
        if (format - this_format_start + 1 > longest_format)
          longest_format = format - this_format_start + 1;
 
+       if (format == end)
+         error ("Format string ends in middle of format specifier");
        if (*format == '%')
          format++;
        else if (++n >= nargs)
@@ -2478,7 +2480,7 @@ Use %% to put a single % into the output.")
          {
          string:
            if (*format != 's' && *format != 'S')
-             error ("format specifier doesn't match argument type");
+             error ("Format specifier doesn't match argument type");
            thissize = CONVERTED_BYTE_SIZE (multibyte, args[n]);
          }
        /* Would get MPV otherwise, since Lisp_Int's `point' to low memory.  */