When checking the value of the "isolation" key, don't assume it is NUL terminated.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/config/config.c b/src/config/config.c
index 1c49c90d0de..6a5005cde08 100644
--- a/src/config/config.c
+++ b/src/config/config.c
@@ -668,3 +668,28 @@ __wt_config_subgets(WT_SESSION_IMPL *session,
 
 	return (__wt_config_subgetraw(session, cfg, &key_item, value));
 }
+
+/*
+ * __wt_config_strcmp --
+ *	Compare a string value with a given string.
+ */
+int
+__wt_config_strcmp(WT_CONFIG_ITEM *cfg, const char *str)
+{
+	const char *cstr;
+	size_t i;
+
+	for (i = 0, cstr = cfg->str; i < cfg->len; i++, cstr++, str++) {
+		/* This covers hitting a NULL at the end of the string. */
+		if (*cstr > *str)
+			return (1);
+		if (*cstr < *str)
+			return (-1);
+	}
+
+	/*
+	 * All the characters are equal: if we are at the end of the string,
+	 * we're done.
+	 */
+	return ((*str == '\0') ? 0 : -1);
+}