Adjust to changed WS_* interface.

src/set.c

@@ -383,8 +383,8 @@ vmod_set_match(VRT_CTX, struct vmod_re2_set *set, VCL_STRING subject)
 		CAST_OBJ(task, priv->priv, TASK_SET_MATCH_MAGIC);
 	}
 
-	buf = WS_Front(ctx->ws);
 	buflen = WS_ReserveAll(ctx->ws);
+	buf = WS_Reservation(ctx->ws);
 	if ((err = vre2set_match(set->set, subject, &match, buf, buflen,
 				 &task->nmatches, &errkind)) != NULL) {
 		VERR(ctx, ERR_PREFIX "%s", set->vcl_name, subject, err);

src/vmod_re2.c

@@ -197,8 +197,8 @@ rewritef(VRT_CTX, vre2 * restrict vre2, const rewrite_e mode, VCL_STRING text,
 	char *ret;
 	const char *err;
 
-	ret = WS_Front(ctx->ws);
 	bytes = WS_ReserveAll(ctx->ws);
+	ret = WS_Reservation(ctx->ws);
 	if (bytes == 0) {
 		VERR(ctx, ERR_PREFIX "workspace overflow", rewrite_name[mode],
 		     text, rewrite, fallback);
@@ -755,8 +755,8 @@ vmod_quotemeta(VRT_CTX, VCL_STRING unquoted, VCL_STRING fallback)
 	const char *err;
 
 	CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
-	ret = WS_Front(ctx->ws);
 	bytes = WS_ReserveAll(ctx->ws);
+	ret = WS_Reservation(ctx->ws);
 	if (bytes == 0) {
 		VERR(ctx, ERR_PREFIX "workspace overflow", unquoted, fallback);
 		WS_Release(ctx->ws, 0);