1 files changed, 106 insertions, 0 deletions
diff --git a/arm9/src/unk_020166C8_c.c b/arm9/src/unk_020166C8_c.c
new file mode 100644
index 00000000..b3cb4503
--- /dev/null
+++ b/arm9/src/unk_020166C8_c.c
@@ -0,0 +1,106 @@
+#include "global.h"
+
+struct UnkStruct_020166C8
+{
+    u32 *unk_ptr1;
+    void *unk_ptr2;
+    void *unk_ptr3;
+    u16 *unk_ptr4;
+    u8 *unk_ptr5;
+    u16 unk_half1;
+    u16 unk_half2;
+    u16 unk_half3;
+    u16 unk_half4;
+};
+
+struct UnkStruct_020166C8 UNK_021C4D28;
+
+extern void *tempName_NNS_FndCreateExpHeapEx(void *param0, u32 param1, u32 param2);
+
+
+THUMB_FUNC void FUN_020166C8(u32 *param0, u32 param1, u32 param2, u32 pre_size)
+{
+    u32 r7;
+    u32 saved_in_stack;
+    
+    saved_in_stack = param1 + 0x18;
+    
+    if (param2 < saved_in_stack)
+    {
+        param2 = saved_in_stack;
+    }
+    if (pre_size != 0)
+    {
+        while (pre_size % 4 != 0)
+        {
+            pre_size++;
+        }
+
+        OS_AllocFromArenaLo(0, pre_size, 4);
+    }
+
+    r7 = param2 * 2;
+    void *ptr = OS_AllocFromArenaLo(0, (saved_in_stack * 3 + 1) * 4 + r7 + param2, 4);
+    UNK_021C4D28.unk_ptr1 = ptr;
+    ptr += (saved_in_stack + 1) * 4;
+    UNK_021C4D28.unk_ptr2 = ptr;
+    ptr += saved_in_stack * 4;
+    UNK_021C4D28.unk_ptr3 = ptr;
+    ptr += saved_in_stack * 4;
+    UNK_021C4D28.unk_ptr4 = ptr;
+    ptr += r7;
+    UNK_021C4D28.unk_ptr5 = ptr;
+    UNK_021C4D28.unk_half1 = param2;
+    UNK_021C4D28.unk_half2 = param1;
+
+    r7 = 0;
+    UNK_021C4D28.unk_half4 = (u16)saved_in_stack;
+    UNK_021C4D28.unk_half3 = (u16)saved_in_stack;
+
+    while (r7 < param1)
+    {
+        void *ptr;
+        if (param0[1] == 0 || param0[1] != 2)
+        {
+            ptr = OS_AllocFromArenaLo(0, param0[0], 4);
+        }
+        else
+        {
+            ptr = OS_AllocFromArenaHi(2, param0[0], 4);
+        }
+
+        if (ptr != 0)
+        {
+            void *res = tempName_NNS_FndCreateExpHeapEx(ptr, param0[0], 0);
+            UNK_021C4D28.unk_ptr1[r7] = res;
+            UNK_021C4D28.unk_ptr5[r7] = (u8)r7;
+        }
+        else
+        {
+            ErrorHandling();
+        }
+
+        param0 += 2;
+        r7++;
+    }
+
+    while (param1 < saved_in_stack + 1)
+    {
+        UNK_021C4D28.unk_ptr1[param1] = 0;
+        UNK_021C4D28.unk_ptr5[param1] = (u8)UNK_021C4D28.unk_half4;
+
+        param1++;
+    }
+
+    while (param1 < param2)
+    {
+        UNK_021C4D28.unk_ptr5[param1] = (u8)UNK_021C4D28.unk_half4;
+
+        param1++;
+    }
+
+    for (param1 = 0; param1 < param2; param1++)
+    {
+        UNK_021C4D28.unk_ptr4[param1] = 0;
+    }
+}