From 927ea36517d3ee00c6ca71db7354d915a8bc40d7 Mon Sep 17 00:00:00 2001
From: Ryan Dwyer <ryandwyer1@gmail.com>
Date: Thu, 16 Jul 2020 00:04:23 +1000
Subject: [PATCH] Decompile func0f166e54

---
 src/game/game_166e40.c         | 26 ++++++++++++--------------
 src/include/game/game_166e40.h |  2 +-
 src/include/types.h            |  2 +-
 3 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/src/game/game_166e40.c b/src/game/game_166e40.c
index 70b973b39..6b4e08102 100644
--- a/src/game/game_166e40.c
+++ b/src/game/game_166e40.c
@@ -41,20 +41,18 @@ glabel func0f166e40
 /*  f166e50:	8c422060 */ 	lw	$v0,%lo(filetable)($v0)
 );
 
-GLOBAL_ASM(
-glabel func0f166e54
-/*  f166e54:	8c820004 */ 	lw	$v0,0x4($a0)
-/*  f166e58:	00001825 */ 	or	$v1,$zero,$zero
-/*  f166e5c:	10400005 */ 	beqz	$v0,.L0f166e74
-/*  f166e60:	00000000 */ 	nop
-/*  f166e64:	8c8e0000 */ 	lw	$t6,0x0($a0)
-/*  f166e68:	004e1823 */ 	subu	$v1,$v0,$t6
-/*  f166e6c:	03e00008 */ 	jr	$ra
-/*  f166e70:	00601025 */ 	or	$v0,$v1,$zero
-.L0f166e74:
-/*  f166e74:	03e00008 */ 	jr	$ra
-/*  f166e78:	00601025 */ 	or	$v0,$v1,$zero
-);
+u32 func0f166e54(struct fileinfo *info)
+{
+	u32 difference;
+
+	if (info->unk04) {
+		difference = info->unk04 - info->size;
+	} else {
+		difference = 0;
+	}
+
+	return difference;
+}
 
 GLOBAL_ASM(
 glabel func0f166e7c
diff --git a/src/include/game/game_166e40.h b/src/include/game/game_166e40.h
index bffe7fc5b..96b61867d 100644
--- a/src/include/game/game_166e40.h
+++ b/src/include/game/game_166e40.h
@@ -4,7 +4,7 @@
 #include "types.h"
 
 u32 func0f166e40(void);
-u32 func0f166e54(void);
+u32 func0f166e54(struct fileinfo *info);
 u32 func0f166e7c(void);
 u32 func0f166ea8(void);
 void func0f166eb4(void *ptr, u32 len, void *table, struct fileinfo *info);
diff --git a/src/include/types.h b/src/include/types.h
index 6bbf6647b..2c8e2194d 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -5868,7 +5868,7 @@ struct var800aabb8 {
 
 struct fileinfo {
 	u32 size;
-	u32 unk04;
+	u32 unk04; // also some kind of size
 };
 
 struct portalcmd {