X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-debug.lua;h=c9704c12dd3c0acc0eefa9145e0ac021b1927cec;hb=1379fbf6aae445cdce3906e7b83cc1c8550e78d5;hp=5125d555dd04a7dc3f64ec6ddc13bf3958c60fd3;hpb=42181099e2fe2a79f4bce5c8924d8ea66daaba9a;p=luatex-ja%2Fluatexja.git

diff --git a/src/ltj-debug.lua b/src/ltj-debug.lua
index 5125d55..c9704c1 100644
--- a/src/ltj-debug.lua
+++ b/src/ltj-debug.lua
@@ -88,6 +88,7 @@ ltjdbg.pformat = pformat
 -------------------- 所要時間合計
 require("socket")
 do
+   local max = math.max
    local gettime = socket.gettime
    local time_stat = {}
    local function start_time_measure(n)
@@ -100,7 +101,7 @@ do
    end
    local function stop_time_measure(n)
       local t = time_stat[n]
-      t[2] = t[2] + gettime()
+      t[2] = max(t[2] + gettime(), 0)
    end
 
    local function print_measure()