From 4d139ca466820b9a5fe8f75b9a0bee6a922d906a Mon Sep 17 00:00:00 2001
From: Alejandro Colomar <alx@kernel.org>
Date: Thu, 15 Feb 2024 12:59:23 +0100
Subject: [PATCH] lib/getdate.y: get_date(): Fix calculation

Instead of adding 1, we should add the value the we stored previously in
the variable.

Fixes: 45c6603cc86c ("[svn-upgrade] Integrating new upstream version, shadow (19990709)")
Closes: <https://github.com/shadow-maint/shadow/issues/939>
Link: <https://github.com/shadow-maint/shadow/pull/942>
Reported-by: Michael Vetter <jubalh@iodoru.org>
Reported-by: Gus Kenion <https://github.com/kenion>
Cc: Iker Pedrosa <ipedrosa@redhat.com>
Cc: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 lib/getdate.y | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/getdate.y b/lib/getdate.y
index cb7d0e8b9..4b37fe70d 100644
--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -319,7 +319,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelYear += $1 * $2;
 	}
 	| tYEAR_UNIT {
-	    yyRelYear++;
+	    yyRelYear += $1;
 	}
 	| tUNUMBER tMONTH_UNIT {
 	    yyRelMonth += $1 * $2;
@@ -328,7 +328,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelMonth += $1 * $2;
 	}
 	| tMONTH_UNIT {
-	    yyRelMonth++;
+	    yyRelMonth += $1;
 	}
 	| tUNUMBER tDAY_UNIT {
 	    yyRelDay += $1 * $2;
@@ -337,7 +337,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelDay += $1 * $2;
 	}
 	| tDAY_UNIT {
-	    yyRelDay++;
+	    yyRelDay += $1;
 	}
 	| tUNUMBER tHOUR_UNIT {
 	    yyRelHour += $1 * $2;
@@ -346,7 +346,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelHour += $1 * $2;
 	}
 	| tHOUR_UNIT {
-	    yyRelHour++;
+	    yyRelHour += $1;
 	}
 	| tUNUMBER tMINUTE_UNIT {
 	    yyRelMinutes += $1 * $2;
@@ -355,7 +355,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelMinutes += $1 * $2;
 	}
 	| tMINUTE_UNIT {
-	    yyRelMinutes++;
+	    yyRelMinutes += $1;
 	}
 	| tUNUMBER tSEC_UNIT {
 	    yyRelSeconds += $1 * $2;
@@ -364,7 +364,7 @@ relunit	: tUNUMBER tYEAR_UNIT {
 	    yyRelSeconds += $1 * $2;
 	}
 	| tSEC_UNIT {
-	    yyRelSeconds++;
+	    yyRelSeconds += $1;
 	}
 	;