{"type": "func", "start": 6443738524, "end": 6443738970, "name": "setmbcp_internal", "pseudocode": "// \n// setmbcp_internal from 0x18013a59c to 0x18013a75a (446 bytes)\n// \n// 2 xrefs:\n// > __acrt_initialize_multibyte @ 0x18013a861\n// > @ 0x180203860\n// \n// This function is hookable on this platform!\n// \n// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA\n// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings\n// \n\n__int64 __fastcall setmbcp_internal(\n UINT a1,\n char a2,\n struct __acrt_ptd *const a3,\n struct __crt_multibyte_data **const a4)\n{\n unsigned int SystemCP; // edi\n _DWORD *v8; // rax\n _DWORD *v9; // rbx\n __int64 v10; // rdx\n _OWORD *v11; // rcx\n _OWORD *v12; // rax\n __int128 v13; // xmm1\n unsigned int v14; // edi\n void *v15; // rcx\n _DWORD *v16; // rcx\n _BYTE v17[4]; // [rsp+20h] [rbp-20h] BYREF\n int v18; // [rsp+24h] [rbp-1Ch] BYREF\n int v19; // [rsp+28h] [rbp-18h] BYREF\n volatile signed __int32 ***v20[2]; // [rsp+30h] [rbp-10h] BYREF\n struct __acrt_ptd *v21; // [rsp+70h] [rbp+30h] BYREF\n void **v22; // [rsp+78h] [rbp+38h] BYREF\n\n v22 = (void **)a4;\n v21 = a3;\n update_thread_multibyte_data_internal(a3, a4);\n SystemCP = getSystemCP(a1);\n if ( SystemCP == *(_DWORD *)(*((_QWORD *)v21 + 17) + 4LL) )\n return 0;\n v8 = malloc_base(0x228u);\n v9 = v8;\n if ( v8 )\n {\n v10 = 4;\n v11 = v8;\n v12 = *((_OWORD **)v21 + 17);\n do\n {\n *v11 = *v12;\n v11[1] = v12[1];\n v11[2] = v12[2];\n v11[3] = v12[3];\n v11[4] = v12[4];\n v11[5] = v12[5];\n v11[6] = v12[6];\n v11 += 8;\n v13 = v12[7];\n v12 += 8;\n *(v11 - 1) = v13;\n --v10;\n }\n while ( v10 );\n *v11 = *v12;\n v11[1] = v12[1];\n *((_QWORD *)v11 + 4) = *((_QWORD *)v12 + 4);\n *v9 = 0;\n v14 = setmbcp_nolock(SystemCP, v9, 128);\n if ( v14 != -1 )\n {\n if ( !a2 )\n _acrt_set_locale_changed();\n if ( _InterlockedExchangeAdd(*((volatile signed __int32 **)v21 + 17), 0xFFFFFFFF) == 1 )\n {\n v15 = *((void **)v21 + 17);\n if ( v15 != &unk_1801B1A50 )\n free_base(v15);\n }\n *v9 = 1;\n v16 = v9;\n v9 = nullptr;\n *((_QWORD *)v21 + 17) = v16;\n if ( (*((_DWORD *)v21 + 234) & dword_1801B1F90) == 0 )\n {\n v20[0] = (volatile signed __int32 ***)&v21;\n v20[1] = (volatile signed __int32 ***)&v22;\n v18 = 5;\n v19 = 5;\n __crt_seh_guarded_call::operator()<_lambda_efdfa57d1f175319df784efa44bb7b81_,_lambda_5f0a4c1567f8adc6734073e5d1e1b35c_ &,_lambda_2e8a7d3640ea6ccb4c2413664c2db6fd_>(\n (__int64)v17,\n &v19,\n v20,\n &v18);\n if ( a2 )\n off_1801B19E0 = *v22;\n }\n goto LABEL_9;\n }\n *errno() = 22;\n }\n v14 = -1;\nLABEL_9:\n free_base(v9);\n return v14;\n}", "assembly": "; \n; setmbcp_internal from 0x18013a59c to 0x18013a75a (446 bytes)\n; \n; 2 xrefs:\n; > __acrt_initialize_multibyte @ 0x18013a861\n; > @ 0x180203860\n; \n; This function is hookable on this platform!\n; \n; Using BromaIDA 8.0.0 @ https:;github.com/Stazzical/BromaIDA\n; Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https:;github.com/geode-sdk/bindings\n; \n\nmov [rsp-18h+arg_0], rbx ; +0x0, 0x18013a59c\nmov [rsp-18h+arg_18], r9 ; +0x5, 0x18013a5a1\nmov [rsp-18h+arg_10], r8 ; +0xa, 0x18013a5a6\npush rbp ; +0xf, 0x18013a5ab\npush rsi ; +0x10, 0x18013a5ac\npush rdi ; +0x11, 0x18013a5ad\nmov rbp, rsp ; +0x12, 0x18013a5ae\nsub rsp, 40h ; +0x15, 0x18013a5b1\nmov sil, dl ; +0x19, 0x18013a5b5\nmov ebx, ecx ; +0x1c, 0x18013a5b8\nmov rdx, r9; struct __crt_multibyte_data ** ; +0x1e, 0x18013a5ba\nmov rcx, r8; struct __acrt_ptd * ; +0x21, 0x18013a5bd\ncall ?update_thread_multibyte_data_internal@@YAPEAU__crt_multibyte_data@@QEAU__acrt_ptd@@QEAPEAU1@@Z ; +0x24, 0x18013a5c0\nmov ecx, ebx; int ; +0x29, 0x18013a5c5\ncall ?getSystemCP@@YAHH@Z ; +0x2b, 0x18013a5c7\nmov rcx, [rbp+arg_10] ; +0x30, 0x18013a5cc\nmov edi, eax ; +0x34, 0x18013a5d0\nmov r8, [rcx+88h] ; +0x36, 0x18013a5d2\ncmp eax, [r8+4] ; +0x3d, 0x18013a5d9\njnz short loc_18013A5E6 ; +0x41, 0x18013a5dd\nxor eax, eax ; +0x43, 0x18013a5df\njmp loc_18013A69E ; +0x45, 0x18013a5e1\nmov ecx, 228h; Size ; +0x4a, 0x18013a5e6\ncall _malloc_base ; +0x4f, 0x18013a5eb\nmov rbx, rax ; +0x54, 0x18013a5f0\ntest rax, rax ; +0x57, 0x18013a5f3\njz loc_18013A691 ; +0x5a, 0x18013a5f6\nmov rax, [rbp+arg_10] ; +0x60, 0x18013a5fc\nmov edx, 4 ; +0x64, 0x18013a600\nmov rcx, rbx ; +0x69, 0x18013a605\nmov rax, [rax+88h] ; +0x6c, 0x18013a608\nlea r8d, [rdx+7Ch] ; +0x73, 0x18013a60f\nmovups xmm0, xmmword ptr [rax] ; +0x77, 0x18013a613\nmovups xmmword ptr [rcx], xmm0 ; +0x7a, 0x18013a616\nmovups xmm1, xmmword ptr [rax+10h] ; +0x7d, 0x18013a619\nmovups xmmword ptr [rcx+10h], xmm1 ; +0x81, 0x18013a61d\nmovups xmm0, xmmword ptr [rax+20h] ; +0x85, 0x18013a621\nmovups xmmword ptr [rcx+20h], xmm0 ; +0x89, 0x18013a625\nmovups xmm1, xmmword ptr [rax+30h] ; +0x8d, 0x18013a629\nmovups xmmword ptr [rcx+30h], xmm1 ; +0x91, 0x18013a62d\nmovups xmm0, xmmword ptr [rax+40h] ; +0x95, 0x18013a631\nmovups xmmword ptr [rcx+40h], xmm0 ; +0x99, 0x18013a635\nmovups xmm1, xmmword ptr [rax+50h] ; +0x9d, 0x18013a639\nmovups xmmword ptr [rcx+50h], xmm1 ; +0xa1, 0x18013a63d\nmovups xmm0, xmmword ptr [rax+60h] ; +0xa5, 0x18013a641\nmovups xmmword ptr [rcx+60h], xmm0 ; +0xa9, 0x18013a645\nadd rcx, r8 ; +0xad, 0x18013a649\nmovups xmm1, xmmword ptr [rax+70h] ; +0xb0, 0x18013a64c\nadd rax, r8 ; +0xb4, 0x18013a650\nmovups xmmword ptr [rcx-10h], xmm1 ; +0xb7, 0x18013a653\nsub rdx, 1 ; +0xbb, 0x18013a657\njnz short loc_18013A613 ; +0xbf, 0x18013a65b\nmovups xmm0, xmmword ptr [rax] ; +0xc1, 0x18013a65d\nmovups xmmword ptr [rcx], xmm0 ; +0xc4, 0x18013a660\nmovups xmm1, xmmword ptr [rax+10h] ; +0xc7, 0x18013a663\nmovups xmmword ptr [rcx+10h], xmm1 ; +0xcb, 0x18013a667\nmov rax, [rax+20h] ; +0xcf, 0x18013a66b\nmov [rcx+20h], rax ; +0xd3, 0x18013a66f\nmov ecx, edi ; +0xd7, 0x18013a673\nand [rbx], edx ; +0xd9, 0x18013a675\nmov rdx, rbx ; +0xdb, 0x18013a677\ncall _setmbcp_nolock ; +0xde, 0x18013a67a\nmov edi, eax ; +0xe3, 0x18013a67f\ncmp eax, 0FFFFFFFFh ; +0xe5, 0x18013a681\njnz short loc_18013A6AB ; +0xe8, 0x18013a684\ncall _errno ; +0xea, 0x18013a686\nmov dword ptr [rax], 16h ; +0xef, 0x18013a68b\nor edi, 0FFFFFFFFh ; +0xf5, 0x18013a691\nmov rcx, rbx; Block ; +0xf8, 0x18013a694\ncall _free_base ; +0xfb, 0x18013a697\nmov eax, edi ; +0x100, 0x18013a69c\nmov rbx, [rsp+40h+arg_0] ; +0x102, 0x18013a69e\nadd rsp, 40h ; +0x107, 0x18013a6a3\npop rdi ; +0x10b, 0x18013a6a7\npop rsi ; +0x10c, 0x18013a6a8\npop rbp ; +0x10d, 0x18013a6a9\nretn ; +0x10e, 0x18013a6aa\ntest sil, sil ; +0x10f, 0x18013a6ab\njnz short loc_18013A6B5 ; +0x112, 0x18013a6ae\ncall __acrt_set_locale_changed; Microsoft VisualC v7/14 64bit runtime ; +0x114, 0x18013a6b0\nmov rax, [rbp+arg_10] ; +0x119, 0x18013a6b5\nmov rcx, [rax+88h] ; +0x11d, 0x18013a6b9\nor eax, 0FFFFFFFFh ; +0x124, 0x18013a6c0\nlock xadd [rcx], eax ; +0x127, 0x18013a6c3\ncmp eax, 1 ; +0x12b, 0x18013a6c7\njnz short loc_18013A6E8 ; +0x12e, 0x18013a6ca\nmov rax, [rbp+arg_10] ; +0x130, 0x18013a6cc\nmov rcx, [rax+88h]; Block ; +0x134, 0x18013a6d0\nlea rax, unk_1801B1A50 ; +0x13b, 0x18013a6d7\ncmp rcx, rax ; +0x142, 0x18013a6de\njz short loc_18013A6E8 ; +0x145, 0x18013a6e1\ncall _free_base ; +0x147, 0x18013a6e3\nmov dword ptr [rbx], 1 ; +0x14c, 0x18013a6e8\nmov rcx, rbx ; +0x152, 0x18013a6ee\nmov rax, [rbp+arg_10] ; +0x155, 0x18013a6f1\nxor ebx, ebx ; +0x159, 0x18013a6f5\nmov [rax+88h], rcx ; +0x15b, 0x18013a6f7\nmov rax, [rbp+arg_10] ; +0x162, 0x18013a6fe\nmov ecx, [rax+3A8h] ; +0x166, 0x18013a702\ntest cs:dword_1801B1F90, ecx ; +0x16c, 0x18013a708\njnz short loc_18013A694 ; +0x172, 0x18013a70e\nlea rax, [rbp+arg_10] ; +0x174, 0x18013a710\nmov [rbp+var_10], rax ; +0x178, 0x18013a714\nlea r9, [rbp+var_1C] ; +0x17c, 0x18013a718\nlea rax, [rbp+arg_18] ; +0x180, 0x18013a71c\nmov [rbp+var_8], rax ; +0x184, 0x18013a720\nlea r8, [rbp+var_10] ; +0x188, 0x18013a724\nlea eax, [rbx+5] ; +0x18c, 0x18013a728\nlea rdx, [rbp+var_18] ; +0x18f, 0x18013a72b\nmov [rbp+var_1C], eax ; +0x193, 0x18013a72f\nlea rcx, [rbp+var_20] ; +0x196, 0x18013a732\nmov [rbp+var_18], eax ; +0x19a, 0x18013a736\ncall ??$?RV_lambda_efdfa57d1f175319df784efa44bb7b81_@@AEAV_lambda_5f0a4c1567f8adc6734073e5d1e1b35c_@@V_lambda_2e8a7d3640ea6ccb4c2413664c2db6fd_@@@?$__crt_seh_guarded_call@X@@QEAAX$$QEAV_lambda_efdfa57d1f175319df784efa44bb7b81_@@AEAV_lambda_5f0a4c1567f8adc6734073e5d1e1b35c_@@$$QEAV_lambda_2e8a7d3640ea6ccb4c2413664c2db6fd_@@@Z ; +0x19d, 0x18013a739\ntest sil, sil ; +0x1a2, 0x18013a73e\njz loc_18013A694 ; +0x1a5, 0x18013a741\nmov rax, [rbp+arg_18] ; +0x1ab, 0x18013a747\nmov rcx, [rax] ; +0x1af, 0x18013a74b\nmov cs:off_1801B19E0, rcx ; +0x1b2, 0x18013a74e\njmp loc_18013A694 ; +0x1b9, 0x18013a755", "xrefs": ["__acrt_initialize_multibyte @ 0x18013a861", " @ 0x180203860"], "is_objc": false, "is_arm32": false, "is_arm64": false, "bida_info": "8.0.0 @ https://github.com/Stazzical/BromaIDA", "bindings_info": "commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings"}