From df8103916b25f95cdff18c462e3a43d95d4ab4cd Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Tue, 11 May 2021 20:47:53 +0800
Subject: move out fseek()

---
 asm/rich4.asm      | 236 +++--------------------------------------------------
 asm/rich4_clib.asm | 232 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 243 insertions(+), 225 deletions(-)

(limited to 'asm')

diff --git a/asm/rich4.asm b/asm/rich4.asm
index a4d3aa5..99bb381 100644
--- a/asm/rich4.asm
+++ b/asm/rich4.asm
@@ -142,10 +142,17 @@ extern _tool_strings
 
 extern clib_fopen
 extern clib_fclose
+extern clib_fseek
 global fcn_00457135
-global fcn_004590b9
 global fcn_00457254
 global fcn_00457902
+global fcn_00458de7
+global fcn_004590b9
+global fcn_004591f9
+global fcn_0045931e
+global fcn_004593a9
+global ref_00488f50
+global ref_00488f54
 global ref_00488f60
 global ref_00488f64
 global ref_004991d4
@@ -2465,7 +2472,7 @@ call fcn_004080f5  ; call 0x4080f5
 push esi
 push 4
 push ebx
-call fcn_0045753a  ; call 0x45753a
+call clib_fseek  ; call 0x45753a
 add esp, 0xc
 push ebx
 push 1
@@ -105760,7 +105767,7 @@ je short loc_004502be  ; je 0x4502be
 push 2
 push 0
 push eax
-call fcn_0045753a  ; call 0x45753a
+call clib_fseek  ; call 0x45753a
 add esp, 0xc
 push esi
 call fcn_00458532  ; call 0x458532
@@ -116834,7 +116841,7 @@ je short loc_00457356  ; je 0x457356
 push 2
 push 0
 push ebx
-call fcn_0045753a  ; call 0x45753a
+call clib_fseek  ; call 0x45753a
 add esp, 0xc
 
 loc_00457356:
@@ -116953,227 +116960,6 @@ dd 0xfd6ee9f0
 db 0xff
 db 0xff
 
-fcn_004574de:
-push ebx
-push esi
-push edi
-mov ebx, dword [esp + 0x10]
-mov eax, dword [esp + 0x14]
-cmp ebx, dword [eax + 4]
-jg short loc_00457519  ; jg 0x457519
-mov edx, dword [eax + 8]
-mov ecx, dword [eax]
-mov edx, dword [edx + 8]
-sub edx, ecx
-cmp ebx, edx
-jl short loc_00457519  ; jl 0x457519
-mov dl, byte [eax + 0xc]
-mov esi, dword [eax]
-mov edi, dword [eax + 4]
-and dl, 0xef
-add esi, ebx
-mov byte [eax + 0xc], dl
-sub edi, ebx
-mov dword [eax], esi
-mov dword [eax + 4], edi
-xor eax, eax
-pop edi
-pop esi
-pop ebx
-ret
-
-loc_00457519:
-mov eax, 1
-pop edi
-pop esi
-pop ebx
-ret
-
-fcn_00457522:
-mov eax, dword [esp + 4]
-and byte [eax + 0xc], 0xef
-mov edx, dword [eax + 8]
-mov edx, dword [edx + 8]
-mov dword [eax + 4], 0
-mov dword [eax], edx
-ret
-
-fcn_0045753a:
-push ebx
-push esi
-push edi
-push ebp
-mov ebx, dword [esp + 0x14]
-mov esi, dword [esp + 0x18]
-mov edi, dword [esp + 0x1c]
-mov edx, dword [ebx + 0x10]
-push edx
-call dword [ref_00488f50]  ; ucall: call dword [0x488f50]
-mov ah, byte [ebx + 0xc]
-add esp, 4
-test ah, 6
-je near loc_004575dc  ; je 0x4575dc
-test byte [ebx + 0xd], 0x10
-je short loc_0045759f  ; je 0x45759f
-push ebx
-call fcn_004591f9  ; call 0x4591f9
-add esp, 4
-test eax, eax
-je short loc_004575b6  ; je 0x4575b6
-test edi, edi
-jne short loc_00457588  ; jne 0x457588
-test esi, esi
-jge short loc_00457588  ; jge 0x457588
-push 9
-call fcn_00458de7  ; call 0x458de7
-add esp, 4
-
-loc_00457588:
-mov esi, dword [ebx + 0x10]
-push esi
-
-loc_0045758c:
-call dword [ref_00488f54]  ; ucall: call dword [0x488f54]
-mov eax, 0xffffffff
-add esp, 4
-pop ebp
-pop edi
-pop esi
-pop ebx
-ret
-
-loc_0045759f:
-cmp edi, 1
-jne short loc_004575a7  ; jne 0x4575a7
-sub esi, dword [ebx + 4]
-
-loc_004575a7:
-mov eax, dword [ebx + 8]
-mov eax, dword [eax + 8]
-mov dword [ebx + 4], 0
-mov dword [ebx], eax
-
-loc_004575b6:
-push edi
-mov cl, byte [ebx + 0xc]
-push esi
-mov eax, dword [ebx + 0x10]
-and cl, 0xeb
-push eax
-mov byte [ebx + 0xc], cl
-call fcn_0045931e  ; call 0x45931e
-add esp, 0xc
-cmp eax, 0xffffffff
-jne near loc_004576bc  ; jne 0x4576bc
-mov ecx, dword [ebx + 0x10]
-push ecx
-jmp short loc_0045758c  ; jmp 0x45758c
-
-loc_004575dc:
-cmp edi, 1
-jb short loc_004575f1  ; jb 0x4575f1
-jbe short loc_004575fa  ; jbe 0x4575fa
-cmp edi, 2
-je near loc_0045767a  ; je 0x45767a
-jmp near loc_004576a9  ; jmp 0x4576a9
-
-loc_004575f1:
-test edi, edi
-je short loc_0045763b  ; je 0x45763b
-jmp near loc_004576a9  ; jmp 0x4576a9
-
-loc_004575fa:
-push ebx
-push esi
-mov ebp, dword [ebx + 4]
-call fcn_004574de  ; call 0x4574de
-add esp, 8
-test eax, eax
-je near loc_004576bc  ; je 0x4576bc
-push edi
-sub esi, ebp
-push esi
-mov edi, dword [ebx + 0x10]
-push edi
-call fcn_0045931e  ; call 0x45931e
-add esp, 0xc
-cmp eax, 0xffffffff
-jne short loc_0045762d  ; jne 0x45762d
-mov ebp, dword [ebx + 0x10]
-push ebp
-jmp near loc_0045758c  ; jmp 0x45758c
-
-loc_0045762d:
-push ebx
-call fcn_00457522  ; call 0x457522
-add esp, 4
-jmp near loc_004576bc  ; jmp 0x4576bc
-
-loc_0045763b:
-mov edx, dword [ebx + 0x10]
-push edx
-call fcn_004593a9  ; call 0x4593a9
-add esp, 4
-mov ecx, dword [ebx + 4]
-mov ebp, esi
-sub eax, ecx
-push ebx
-sub ebp, eax
-push ebp
-call fcn_004574de  ; call 0x4574de
-add esp, 8
-test eax, eax
-je short loc_004576bc  ; je 0x4576bc
-push edi
-push esi
-mov esi, dword [ebx + 0x10]
-push esi
-call fcn_0045931e  ; call 0x45931e
-add esp, 0xc
-cmp eax, 0xffffffff
-jne short loc_0045762d  ; jne 0x45762d
-mov edi, dword [ebx + 0x10]
-push edi
-jmp near loc_0045758c  ; jmp 0x45758c
-
-loc_0045767a:
-mov dl, ah
-push edi
-mov ecx, dword [ebx + 0x10]
-and dl, 0xef
-mov eax, dword [ebx + 8]
-mov byte [ebx + 0xc], dl
-push esi
-mov eax, dword [eax + 8]
-mov dword [ebx + 4], 0
-push ecx
-mov dword [ebx], eax
-call fcn_0045931e  ; call 0x45931e
-add esp, 0xc
-cmp eax, 0xffffffff
-jne short loc_004576bc  ; jne 0x4576bc
-jmp near loc_00457588  ; jmp 0x457588
-
-loc_004576a9:
-push 9
-call fcn_00458de7  ; call 0x458de7
-add esp, 4
-mov eax, dword [ebx + 0x10]
-push eax
-jmp near loc_0045758c  ; jmp 0x45758c
-
-loc_004576bc:
-mov edx, dword [ebx + 0x10]
-push edx
-call dword [ref_00488f54]  ; ucall: call dword [0x488f54]
-add esp, 4
-xor eax, eax
-pop ebp
-pop edi
-pop esi
-pop ebx
-ret
-
 fcn_004576d0:
 push ebx
 push esi
diff --git a/asm/rich4_clib.asm b/asm/rich4_clib.asm
index 9ed1133..815b7a3 100644
--- a/asm/rich4_clib.asm
+++ b/asm/rich4_clib.asm
@@ -1,5 +1,6 @@
 global clib_fopen
 global clib_fclose
+global clib_fseek
 extern fcn_00457135
 extern fcn_004590b9
 extern fcn_00457254
@@ -101,6 +102,237 @@ add esp, 8
 pop ebx
 ret
 
+; ======================== fseek ===============================
+extern fcn_00458de7
+extern fcn_004591f9
+extern fcn_0045931e
+extern fcn_004593a9
+extern ref_00488f50
+extern ref_00488f54
+
+fcn_004574de:
+push ebx
+push esi
+push edi
+mov ebx, dword [esp + 0x10]
+mov eax, dword [esp + 0x14]
+cmp ebx, dword [eax + 4]
+jg short loc_00457519  ; jg 0x457519
+mov edx, dword [eax + 8]
+mov ecx, dword [eax]
+mov edx, dword [edx + 8]
+sub edx, ecx
+cmp ebx, edx
+jl short loc_00457519  ; jl 0x457519
+mov dl, byte [eax + 0xc]
+mov esi, dword [eax]
+mov edi, dword [eax + 4]
+and dl, 0xef
+add esi, ebx
+mov byte [eax + 0xc], dl
+sub edi, ebx
+mov dword [eax], esi
+mov dword [eax + 4], edi
+xor eax, eax
+pop edi
+pop esi
+pop ebx
+ret
+
+loc_00457519:
+mov eax, 1
+pop edi
+pop esi
+pop ebx
+ret
+
+fcn_00457522:
+mov eax, dword [esp + 4]
+and byte [eax + 0xc], 0xef
+mov edx, dword [eax + 8]
+mov edx, dword [edx + 8]
+mov dword [eax + 4], 0
+mov dword [eax], edx
+ret
+
+clib_fseek:
+push ebx
+push esi
+push edi
+push ebp
+mov ebx, dword [esp + 0x14]
+mov esi, dword [esp + 0x18]
+mov edi, dword [esp + 0x1c]
+mov edx, dword [ebx + 0x10]
+push edx
+call dword [ref_00488f50]  ; ucall: call dword [0x488f50]
+mov ah, byte [ebx + 0xc]
+add esp, 4
+test ah, 6
+je near loc_004575dc  ; je 0x4575dc
+test byte [ebx + 0xd], 0x10
+je short loc_0045759f  ; je 0x45759f
+push ebx
+call fcn_004591f9  ; call 0x4591f9
+add esp, 4
+test eax, eax
+je short loc_004575b6  ; je 0x4575b6
+test edi, edi
+jne short loc_00457588  ; jne 0x457588
+test esi, esi
+jge short loc_00457588  ; jge 0x457588
+push 9
+call fcn_00458de7  ; call 0x458de7
+add esp, 4
+
+loc_00457588:
+mov esi, dword [ebx + 0x10]
+push esi
+
+loc_0045758c:
+call dword [ref_00488f54]  ; ucall: call dword [0x488f54]
+mov eax, 0xffffffff
+add esp, 4
+pop ebp
+pop edi
+pop esi
+pop ebx
+ret
+
+loc_0045759f:
+cmp edi, 1
+jne short loc_004575a7  ; jne 0x4575a7
+sub esi, dword [ebx + 4]
+
+loc_004575a7:
+mov eax, dword [ebx + 8]
+mov eax, dword [eax + 8]
+mov dword [ebx + 4], 0
+mov dword [ebx], eax
+
+loc_004575b6:
+push edi
+mov cl, byte [ebx + 0xc]
+push esi
+mov eax, dword [ebx + 0x10]
+and cl, 0xeb
+push eax
+mov byte [ebx + 0xc], cl
+call fcn_0045931e  ; call 0x45931e
+add esp, 0xc
+cmp eax, 0xffffffff
+jne near loc_004576bc  ; jne 0x4576bc
+mov ecx, dword [ebx + 0x10]
+push ecx
+jmp short loc_0045758c  ; jmp 0x45758c
+
+loc_004575dc:
+cmp edi, 1
+jb short loc_004575f1  ; jb 0x4575f1
+jbe short loc_004575fa  ; jbe 0x4575fa
+cmp edi, 2
+je near loc_0045767a  ; je 0x45767a
+jmp near loc_004576a9  ; jmp 0x4576a9
+
+loc_004575f1:
+test edi, edi
+je short loc_0045763b  ; je 0x45763b
+jmp near loc_004576a9  ; jmp 0x4576a9
+
+loc_004575fa:
+push ebx
+push esi
+mov ebp, dword [ebx + 4]
+call fcn_004574de  ; call 0x4574de
+add esp, 8
+test eax, eax
+je near loc_004576bc  ; je 0x4576bc
+push edi
+sub esi, ebp
+push esi
+mov edi, dword [ebx + 0x10]
+push edi
+call fcn_0045931e  ; call 0x45931e
+add esp, 0xc
+cmp eax, 0xffffffff
+jne short loc_0045762d  ; jne 0x45762d
+mov ebp, dword [ebx + 0x10]
+push ebp
+jmp near loc_0045758c  ; jmp 0x45758c
+
+loc_0045762d:
+push ebx
+call fcn_00457522  ; call 0x457522
+add esp, 4
+jmp near loc_004576bc  ; jmp 0x4576bc
+
+loc_0045763b:
+mov edx, dword [ebx + 0x10]
+push edx
+call fcn_004593a9  ; call 0x4593a9
+add esp, 4
+mov ecx, dword [ebx + 4]
+mov ebp, esi
+sub eax, ecx
+push ebx
+sub ebp, eax
+push ebp
+call fcn_004574de  ; call 0x4574de
+add esp, 8
+test eax, eax
+je short loc_004576bc  ; je 0x4576bc
+push edi
+push esi
+mov esi, dword [ebx + 0x10]
+push esi
+call fcn_0045931e  ; call 0x45931e
+add esp, 0xc
+cmp eax, 0xffffffff
+jne short loc_0045762d  ; jne 0x45762d
+mov edi, dword [ebx + 0x10]
+push edi
+jmp near loc_0045758c  ; jmp 0x45758c
+
+loc_0045767a:
+mov dl, ah
+push edi
+mov ecx, dword [ebx + 0x10]
+and dl, 0xef
+mov eax, dword [ebx + 8]
+mov byte [ebx + 0xc], dl
+push esi
+mov eax, dword [eax + 8]
+mov dword [ebx + 4], 0
+push ecx
+mov dword [ebx], eax
+call fcn_0045931e  ; call 0x45931e
+add esp, 0xc
+cmp eax, 0xffffffff
+jne short loc_004576bc  ; jne 0x4576bc
+jmp near loc_00457588  ; jmp 0x457588
+
+loc_004576a9:
+push 9
+call fcn_00458de7  ; call 0x458de7
+add esp, 4
+mov eax, dword [ebx + 0x10]
+push eax
+jmp near loc_0045758c  ; jmp 0x45758c
+
+loc_004576bc:
+mov edx, dword [ebx + 0x10]
+push edx
+call dword [ref_00488f54]  ; ucall: call dword [0x488f54]
+add esp, 4
+xor eax, eax
+pop ebp
+pop edi
+pop esi
+pop ebx
+ret
+
+; ========================== end of fseek ===============================
+
 fcn_00456f23:
 call dword [ref_00488f4c]  ; ucall: call dword [0x488f4c]
 add eax, 0xc
-- 
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