# HG changeset patch
# User David A. Holland
# Date 1364709736 14400
# Node ID 5e24746d83355807779b785ac84a74fee204a82b
# Parent  90c6052410ce4cc2e0acef2c6516ed29a2486979
Assert on trailing whitespace.
(it is supposed to have been pruned by the caller)

diff -r 90c6052410ce -r 5e24746d8335 eval.c
--- a/eval.c	Sun Mar 31 01:27:46 2013 -0400
+++ b/eval.c	Sun Mar 31 02:02:16 2013 -0400
@@ -647,6 +647,8 @@
 		len = strspn(expr+pos, ws);
 		pos += len;
 		p->column += len;
+		/* trailing whitespace is supposed to have been pruned */
+		assert(expr[pos] != '\0');
 		if (check_word(p, expr, pos, &len)) {
 			pos += len;
 			p->column += len;