Blame SOURCES/shadow-4.2.1-date-parsing.patch

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Index: shadow-4.5/libmisc/getdate.y
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===================================================================
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--- shadow-4.5.orig/libmisc/getdate.y
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+++ shadow-4.5/libmisc/getdate.y
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@@ -152,6 +152,7 @@ static int	yyHaveDay;
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 static int	yyHaveRel;
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 static int	yyHaveTime;
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 static int	yyHaveZone;
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+static int      yyHaveYear;
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 static int	yyTimezone;
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 static int	yyDay;
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 static int	yyHour;
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@@ -293,18 +294,21 @@ date	: tUNUMBER '/' tUNUMBER {
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 	      yyDay = $3;
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 	      yyYear = $5;
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 	    }
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+	    yyHaveYear++;
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 	}
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 	| tUNUMBER tSNUMBER tSNUMBER {
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 	    /* ISO 8601 format.  yyyy-mm-dd.  */
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 	    yyYear = $1;
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 	    yyMonth = -$2;
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 	    yyDay = -$3;
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+	    yyHaveYear++;
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 	}
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 	| tUNUMBER tMONTH tSNUMBER {
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 	    /* e.g. 17-JUN-1992.  */
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 	    yyDay = $1;
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 	    yyMonth = $2;
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 	    yyYear = -$3;
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+	    yyHaveYear++;
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 	}
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 	| tMONTH tUNUMBER {
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 	    yyMonth = $1;
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@@ -314,6 +318,7 @@ date	: tUNUMBER '/' tUNUMBER {
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 	    yyMonth = $1;
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 	    yyDay = $2;
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 	    yyYear = $4;
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+	    yyHaveYear++;
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 	}
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 	| tUNUMBER tMONTH {
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 	    yyMonth = $2;
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@@ -323,6 +328,7 @@ date	: tUNUMBER '/' tUNUMBER {
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 	    yyMonth = $2;
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 	    yyDay = $1;
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 	    yyYear = $3;
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+	    yyHaveYear++;
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 	}
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 	;
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@@ -395,7 +401,8 @@ relunit	: tUNUMBER tYEAR_UNIT {
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 number	: tUNUMBER
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           {
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-	    if ((yyHaveTime != 0) && (yyHaveDate != 0) && (yyHaveRel == 0))
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+	    if ((yyHaveTime != 0 || $1 >= 100) && !yyHaveYear
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+		&& (yyHaveDate != 0) && (yyHaveRel == 0))
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 	      yyYear = $1;
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 	    else
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 	      {
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@@ -802,7 +809,7 @@ yylex (void)
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 	  return LookupWord (buff);
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 	}
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       if (c != '(')
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-	return *yyInput++;
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+	return (unsigned char)*yyInput++;
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       Count = 0;
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       do
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 	{