X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetdate.y;h=63b9e7cfa8a01fb59daf415472646b87aff87e38;hb=e0be8461f5acc1b0b11684deb224a48e4bd96eb9;hp=ebfb7c91a1c8e39a13a4a14556f2a17b9603d7a0;hpb=cd47583be488a600699606197091077ba4cb2c1d;p=gnulib.git

diff --git a/lib/getdate.y b/lib/getdate.y
index ebfb7c91a..63b9e7cfa 100644
--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -31,6 +31,11 @@
 #undef static
 #endif
 
+/* The following block of alloca-related preprocessor directives is here
+   solely to allow compilation by non GNU-C compilers of the C parser
+   produced from this file by old versions of bison.  Newer versions of
+   bison include a block similar to this one in bison.simple.  */
+
 #ifdef __GNUC__
 #undef alloca
 #define alloca __builtin_alloca
@@ -41,7 +46,7 @@
 #ifdef _AIX /* for Bison */
  #pragma alloca
 #else
-char *alloca ();
+void *alloca ();
 #endif
 #endif
 #endif
@@ -78,7 +83,7 @@ char *alloca ();
 #undef timezone /* needed for sgi */
 #endif
 
-#if defined(HAVE_SYS_TIMEB_H) || (!defined(USG) && defined(HAVE_FTIME))
+#if defined(HAVE_SYS_TIMEB_H)
 #include <sys/timeb.h>
 #else
 /*
@@ -119,7 +124,7 @@ static int yyerror ();
 
 #if	!defined(lint) && !defined(SABER)
 static char RCS[] =
-	"$Header: /w/src/cvsroot/shellutils/lib/getdate.y,v 1.5 1993/09/08 18:23:16 meyering Exp $";
+	"$Header: str2date.y,v 2.1 90/09/06 08:15:06 cronan Exp $";
 #endif	/* !defined(lint) && !defined(SABER) */
 
 
@@ -296,6 +301,12 @@ date	: tUNUMBER '/' tUNUMBER {
 	    yyMonth = -$2;
 	    yyDay = -$3;
 	}
+	| tUNUMBER tMONTH tSNUMBER {
+	    /* e.g. 17-JUN-1992.  */
+	    yyDay = $1;
+	    yyMonth = $2;
+	    yyYear = -$3;
+	}
 	| tMONTH tUNUMBER {
 	    yyMonth = $1;
 	    yyDay = $2;
@@ -357,25 +368,24 @@ number	: tUNUMBER {
 		yyYear = $1;
 	    else {
 		if($1>10000) {
-		    time_t date_part;
-
-		    date_part= $1/10000;
 		    yyHaveDate++;
-		    yyDay= (date_part)%100;
-		    yyMonth= (date_part/100)%100;
-		    yyYear = date_part/10000;
-		} 
-	        yyHaveTime++;
-		if ($1 < 100) {
-		    yyHour = $1;
-		    yyMinutes = 0;
+		    yyDay= ($1)%100;
+		    yyMonth= ($1/100)%100;
+		    yyYear = $1/10000;
 		}
 		else {
-		    yyHour = $1 / 100;
-		    yyMinutes = $1 % 100;
-		}
-		yySeconds = 0;
-		yyMeridian = MER24;
+		    yyHaveTime++;
+		    if ($1 < 100) {
+			yyHour = $1;
+			yyMinutes = 0;
+		    }
+		    else {
+		    	yyHour = $1 / 100;
+		    	yyMinutes = $1 % 100;
+		    }
+		    yySeconds = 0;
+		    yyMeridian = MER24;
+	        }
 	    }
 	}
 	;
@@ -608,6 +618,8 @@ ToSeconds(Hours, Minutes, Seconds, Meridian)
 	if (Hours < 1 || Hours > 12)
 	    return -1;
 	return ((Hours + 12) * 60L + Minutes) * 60L + Seconds;
+    default:
+	abort ();
     }
     /* NOTREACHED */
 }
@@ -875,27 +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