diff --git a/src/lxc/confile_utils.c b/src/lxc/confile_utils.c
index 30fec0583..5686c60e9 100644
--- a/src/lxc/confile_utils.c
+++ b/src/lxc/confile_utils.c
@@ -635,32 +635,47 @@ int lxc_get_conf_str(char *retv, int inlen, const char *value)
 
 int lxc_get_conf_int(struct lxc_conf *c, char *retv, int inlen, int v)
 {
+	int len;
+	int fulllen = 0;
+
 	if (!retv)
 		inlen = 0;
 	else
 		memset(retv, 0, inlen);
 
-	return snprintf(retv, inlen, "%d", v);
+	strprint(retv, inlen, "%d", v);
+
+	return fulllen;
 }
 
 int lxc_get_conf_size_t(struct lxc_conf *c, char *retv, int inlen, size_t v)
 {
+	int len;
+	int fulllen = 0;
+
 	if (!retv)
 		inlen = 0;
 	else
 		memset(retv, 0, inlen);
 
-	return snprintf(retv, inlen, "%zu", v);
+	strprint(retv, inlen, "%zu", v);
+
+	return fulllen;
 }
 
 int lxc_get_conf_uint64(struct lxc_conf *c, char *retv, int inlen, uint64_t v)
 {
+	int len;
+	int fulllen = 0;
+
 	if (!retv)
 		inlen = 0;
 	else
 		memset(retv, 0, inlen);
 
-	return snprintf(retv, inlen, "%"PRIu64, v);
+	strprint(retv, inlen, "%"PRIu64, v);
+
+	return fulllen;
 }
 
 bool parse_limit_value(const char **value, rlim_t *res)