{"type": "func", "start": 6443725468, "end": 6443725850, "name": "_mbtowc_l", "pseudocode": "// \n// _mbtowc_l from 0x18013729c to 0x18013741a (382 bytes)\n// \n// 6 xrefs:\n// > unknown_libname_48 @ 0x18012e42a\n// > unknown_libname_49 @ 0x18012e4d2\n// > unknown_libname_57 @ 0x18012ee90\n// > unknown_libname_58 @ 0x18012ef92\n// > mbtowc @ 0x18013741f\n// > @ 0x1802035cc\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\nint __cdecl mbtowc_l(wchar_t *DstCh, const char *SrcCh, size_t SrcSizeInBytes, _locale_t Locale)\n{\n int v7; // ecx\n struct __crt_locale_data *locinfo; // rcx\n int v10; // r9d\n int v11; // eax\n int *v12; // rax\n struct _Mbstatet *v13; // [rsp+20h] [rbp-38h]\n __int64 v14; // [rsp+30h] [rbp-28h] BYREF\n __crt_locale_pointers Localea; // [rsp+38h] [rbp-20h] BYREF\n char v16; // [rsp+48h] [rbp-10h]\n\n if ( !SrcCh || !SrcSizeInBytes )\n {\n qword_1801F5568 = 0;\n return 0;\n }\n if ( !*SrcCh )\n {\n if ( DstCh )\n *DstCh = 0;\n return 0;\n }\n _LocaleUpdate::_LocaleUpdate((_LocaleUpdate *)&v14, Locale);\n if ( *((_DWORD *)Localea.locinfo + 3) == 65001 )\n {\n v7 = __crt_mbstring::__mbrtowc_utf8(\n (__crt_mbstring *)DstCh,\n (wchar_t *)SrcCh,\n (const char *)SrcSizeInBytes,\n (unsigned __int64)&qword_1801F5568,\n v13);\n if ( v7 < 0 )\n v7 = -1;\n goto LABEL_14;\n }\n if ( !*((_QWORD *)Localea.locinfo + 39) )\n {\n if ( DstCh )\n *DstCh = *(unsigned __int8 *)SrcCh;\n goto LABEL_13;\n }\n if ( isleadbyte_l(*(unsigned __int8 *)SrcCh, &Localea) )\n {\n locinfo = Localea.locinfo;\n v10 = *((_DWORD *)Localea.locinfo + 2);\n if ( v10 > 1\n && (int)SrcSizeInBytes >= v10\n && (v11 = _acrt_MultiByteToWideChar(*((_DWORD *)Localea.locinfo + 3), 9, SrcCh, v10, DstCh, DstCh != nullptr),\n locinfo = Localea.locinfo,\n v11)\n || SrcSizeInBytes >= *((int *)locinfo + 2) && SrcCh[1] )\n {\n v7 = *((_DWORD *)locinfo + 2);\n goto LABEL_14;\n }\nLABEL_25:\n v12 = errno();\n v7 = -1;\n *v12 = 42;\n goto LABEL_14;\n }\n if ( !_acrt_MultiByteToWideChar(*((_DWORD *)Localea.locinfo + 3), 9, SrcCh, 1, DstCh, DstCh != nullptr) )\n goto LABEL_25;\nLABEL_13:\n v7 = 1;\nLABEL_14:\n if ( v16 )\n *(_DWORD *)(v14 + 936) &= ~2u;\n return v7;\n}", "assembly": "; \n; _mbtowc_l from 0x18013729c to 0x18013741a (382 bytes)\n; \n; 6 xrefs:\n; > unknown_libname_48 @ 0x18012e42a\n; > unknown_libname_49 @ 0x18012e4d2\n; > unknown_libname_57 @ 0x18012ee90\n; > unknown_libname_58 @ 0x18012ef92\n; > mbtowc @ 0x18013741f\n; > @ 0x1802035cc\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+arg_0], rbx ; +0x0, 0x18013729c\nmov [rsp+arg_8], rbp ; +0x5, 0x1801372a1\nmov [rsp+arg_10], rsi ; +0xa, 0x1801372a6\npush rdi ; +0xf, 0x1801372ab\nsub rsp, 50h ; +0x10, 0x1801372ac\nxor ebp, ebp ; +0x14, 0x1801372b0\nmov rsi, r8 ; +0x16, 0x1801372b2\nmov rdi, rdx ; +0x19, 0x1801372b5\nmov rbx, rcx ; +0x1c, 0x1801372b8\ntest rdx, rdx ; +0x1f, 0x1801372bb\njz loc_1801373FC ; +0x22, 0x1801372be\ntest r8, r8 ; +0x28, 0x1801372c4\njz loc_1801373FC ; +0x2b, 0x1801372c7\ncmp [rdx], bpl ; +0x31, 0x1801372cd\njnz short loc_1801372E3 ; +0x34, 0x1801372d0\ntest rcx, rcx ; +0x36, 0x1801372d2\njz loc_180137403 ; +0x39, 0x1801372d5\nmov [rcx], bp ; +0x3f, 0x1801372db\njmp loc_180137403 ; +0x42, 0x1801372de\nmov rdx, r9; struct __crt_locale_pointers * ; +0x47, 0x1801372e3\nlea rcx, [rsp+58h+var_28]; this ; +0x4a, 0x1801372e6\ncall ??0_LocaleUpdate@@QEAA@QEAU__crt_locale_pointers@@@Z ; +0x4f, 0x1801372eb\nmov rax, [rsp+58h+Locale.locinfo] ; +0x54, 0x1801372f0\ncmp dword ptr [rax+0Ch], 0FDE9h ; +0x59, 0x1801372f5\njnz short loc_180137320 ; +0x60, 0x1801372fc\nlea r9, qword_1801F5568; unsigned __int64 ; +0x62, 0x1801372fe\nmov r8, rsi; char * ; +0x69, 0x180137305\nmov rdx, rdi; wchar_t * ; +0x6c, 0x180137308\nmov rcx, rbx; this ; +0x6f, 0x18013730b\ncall ?__mbrtowc_utf8@__crt_mbstring@@YA_KPEA_WPEBD_KPEAU_Mbstatet@@@Z ; +0x72, 0x18013730e\nmov rcx, rax ; +0x77, 0x180137313\nor eax, 0FFFFFFFFh ; +0x7a, 0x180137316\ntest ecx, ecx ; +0x7d, 0x180137319\ncmovs ecx, eax ; +0x7f, 0x18013731b\njmp short loc_180137339 ; +0x82, 0x18013731e\ncmp [rax+138h], rbp ; +0x84, 0x180137320\njnz short loc_180137353 ; +0x8b, 0x180137327\ntest rbx, rbx ; +0x8d, 0x180137329\njz short loc_180137334 ; +0x90, 0x18013732c\nmovzx eax, byte ptr [rdi] ; +0x92, 0x18013732e\nmov [rbx], ax ; +0x95, 0x180137331\nmov ecx, 1 ; +0x98, 0x180137334\ncmp [rsp+58h+var_10], bpl ; +0x9d, 0x180137339\njz short loc_18013734C ; +0xa2, 0x18013733e\nmov rax, [rsp+58h+var_28] ; +0xa4, 0x180137340\nand dword ptr [rax+3A8h], 0FFFFFFFDh ; +0xa9, 0x180137345\nmov eax, ecx ; +0xb0, 0x18013734c\njmp loc_180137405 ; +0xb2, 0x18013734e\nmovzx ecx, byte ptr [rdi]; C ; +0xb7, 0x180137353\nlea rdx, [rsp+58h+Locale]; Locale ; +0xba, 0x180137356\ncall _isleadbyte_l ; +0xbf, 0x18013735b\ntest eax, eax ; +0xc4, 0x180137360\njz short loc_1801373B6 ; +0xc6, 0x180137362\nmov rcx, [rsp+58h+Locale.locinfo] ; +0xc8, 0x180137364\nmov r9d, [rcx+8] ; +0xcd, 0x180137369\ncmp r9d, 1 ; +0xd1, 0x18013736d\njle short loc_1801373A2 ; +0xd5, 0x180137371\ncmp esi, r9d ; +0xd7, 0x180137373\njl short loc_1801373A2 ; +0xda, 0x180137376\nmov ecx, [rcx+0Ch] ; +0xdc, 0x180137378\nmov eax, ebp ; +0xdf, 0x18013737b\ntest rbx, rbx ; +0xe1, 0x18013737d\nmov r8, rdi ; +0xe4, 0x180137380\nmov edx, 9 ; +0xe7, 0x180137383\nsetnz al ; +0xec, 0x180137388\nmov [rsp+58h+var_30], eax ; +0xef, 0x18013738b\nmov [rsp+58h+var_38], rbx ; +0xf3, 0x18013738f\ncall __acrt_MultiByteToWideChar ; +0xf8, 0x180137394\nmov rcx, [rsp+58h+Locale.locinfo] ; +0xfd, 0x180137399\ntest eax, eax ; +0x102, 0x18013739e\njnz short loc_1801373B1 ; +0x104, 0x1801373a0\nmovsxd rax, dword ptr [rcx+8] ; +0x106, 0x1801373a2\ncmp rsi, rax ; +0x10a, 0x1801373a6\njb short loc_1801373E9 ; +0x10d, 0x1801373a9\ncmp [rdi+1], bpl ; +0x10f, 0x1801373ab\njz short loc_1801373E9 ; +0x113, 0x1801373af\nmov ecx, [rcx+8] ; +0x115, 0x1801373b1\njmp short loc_180137339 ; +0x118, 0x1801373b4\nmov eax, ebp ; +0x11a, 0x1801373b6\nmov r9d, 1 ; +0x11c, 0x1801373b8\ntest rbx, rbx ; +0x122, 0x1801373be\nmov r8, rdi ; +0x125, 0x1801373c1\nsetnz al ; +0x128, 0x1801373c4\nmov [rsp+58h+var_30], eax ; +0x12b, 0x1801373c7\nlea edx, [r9+8] ; +0x12f, 0x1801373cb\nmov rax, [rsp+58h+Locale.locinfo] ; +0x133, 0x1801373cf\nmov [rsp+58h+var_38], rbx ; +0x138, 0x1801373d4\nmov ecx, [rax+0Ch] ; +0x13d, 0x1801373d9\ncall __acrt_MultiByteToWideChar ; +0x140, 0x1801373dc\ntest eax, eax ; +0x145, 0x1801373e1\njnz loc_180137334 ; +0x147, 0x1801373e3\ncall _errno ; +0x14d, 0x1801373e9\nor ecx, 0FFFFFFFFh ; +0x152, 0x1801373ee\nmov dword ptr [rax], 2Ah ; '*' ; +0x155, 0x1801373f1\njmp loc_180137339 ; +0x15b, 0x1801373f7\nmov cs:qword_1801F5568, rbp ; +0x160, 0x1801373fc\nxor eax, eax ; +0x167, 0x180137403\nmov rbx, [rsp+58h+arg_0] ; +0x169, 0x180137405\nmov rbp, [rsp+58h+arg_8] ; +0x16e, 0x18013740a\nmov rsi, [rsp+58h+arg_10] ; +0x173, 0x18013740f\nadd rsp, 50h ; +0x178, 0x180137414\npop rdi ; +0x17c, 0x180137418\nretn ; +0x17d, 0x180137419", "xrefs": ["unknown_libname_48 @ 0x18012e42a", "unknown_libname_49 @ 0x18012e4d2", "unknown_libname_57 @ 0x18012ee90", "unknown_libname_58 @ 0x18012ef92", "mbtowc @ 0x18013741f", " @ 0x1802035cc"], "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"}