X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetdate.y;h=63b9e7cfa8a01fb59daf415472646b87aff87e38;hb=e0be8461f5acc1b0b11684deb224a48e4bd96eb9;hp=35d064f48a9e917a4bb09ff494c5cb603be98268;hpb=33ca528b935235488d47aa6e7ed3fdbc46eb16c2;p=gnulib.git

diff --git a/lib/getdate.y b/lib/getdate.y
index 35d064f48..63b9e7cfa 100644
--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -887,27 +887,25 @@ yylex()
 #define TM_YEAR_ORIGIN 1900
 
 /* Yield A - B, measured in seconds.  */
-static time_t
-difftm(a, b)
+static long
+difftm (a, b)
      struct tm *a, *b;
 {
   int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
   int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
-  return
-    (
-     (
-      (
-       /* difference in day of year */
-       a->tm_yday - b->tm_yday
-       /* + intervening leap days */
-       +  ((ay >> 2) - (by >> 2))
-       -  (ay/100 - by/100)
-       +  ((ay/100 >> 2) - (by/100 >> 2))
-       /* + difference in years * 365 */
-       +  (time_t)(ay-by) * 365
-       )*24 + (a->tm_hour - b->tm_hour)
-      )*60 + (a->tm_min - b->tm_min)
-     )*60 + (a->tm_sec - b->tm_sec);
+  int days = (
+	      /* difference in day of year */
+	      a->tm_yday - b->tm_yday
+	      /* + intervening leap days */
+	      +  ((ay >> 2) - (by >> 2))
+	      -  (ay/100 - by/100)
+	      +  ((ay/100 >> 2) - (by/100 >> 2))
+	      /* + difference in years * 365 */
+	      +  (long)(ay-by) * 365
+	      );
+  return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
+	      + (a->tm_min - b->tm_min))
+	  + (a->tm_sec - b->tm_sec));
 }
 
 time_t