From f6507f70bc6b80fb7286c11a2e508259aad4315c Mon Sep 17 00:00:00 2001
From: Duncan Frost <duncans_pumpkin@hotmail.co.uk>
Date: Tue, 9 Jun 2015 20:58:55 +0100
Subject: [PATCH] Fix negative zero in currency display.

---
 src/localisation/localisation.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/localisation/localisation.c b/src/localisation/localisation.c
index 182aefedc0..1facbdcee3 100644
--- a/src/localisation/localisation.c
+++ b/src/localisation/localisation.c
@@ -299,6 +299,10 @@ void format_currency(char **dest, long long value)
 	int rate = currencySpec->rate;
 	value *= rate;
 
+	// Divide by 100 to get rid of the pennies
+	// Do this before anything else to prevent negative zero.
+	value /= 100;
+
 	// Negative sign
 	if (value < 0) {
 		*(*dest)++ = '-';
@@ -314,8 +318,7 @@ void format_currency(char **dest, long long value)
 		*dest += strlen(*dest);
 	}
 
-	// Divide by 100 to get rid of the pennies
-	format_comma_separated_integer(dest, value / 100);
+	format_comma_separated_integer(dest, value);
 
 	// Currency symbol suffix
 	if (currencySpec->affix == CURRENCY_SUFFIX) {