{"type": "func", "start": 6443725064, "end": 6443725347, "name": "__crt_mbstring::__wcsrtombs_utf8", "pseudocode": "// \n// __crt_mbstring::__wcsrtombs_utf8 from 0x180137108 to 0x180137223 (283 bytes)\n// \n// 2 xrefs:\n// > _wcstombs_l_helper @ 0x18012b530\n// > @ 0x1802035b4\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\nunsigned __int64 __fastcall __crt_mbstring::__wcsrtombs_utf8(\n __crt_mbstring *this,\n char *a2,\n const wchar_t **a3,\n struct _Mbstatet *a4)\n{\n unsigned __int16 *v4; // rsi\n char16_t v5; // bp\n __crt_mbstring *v9; // rbx\n unsigned __int16 *v10; // rdi\n __crt_mbstring *v11; // r12\n size_t v12; // rax\n size_t v13; // rbp\n unsigned __int64 result; // rax\n __int64 v15; // rbx\n struct _Mbstatet *v16; // [rsp+20h] [rbp-58h]\n _BYTE v17[8]; // [rsp+28h] [rbp-50h] BYREF\n\n v4 = *(unsigned __int16 **)a2;\n v5 = (unsigned __int16)a4;\n v16 = a4;\n if ( this )\n {\n v9 = this;\n v10 = v4;\n while ( 1 )\n {\n v11 = (__crt_mbstring *)v17;\n if ( (unsigned __int64)a3 >= 4 )\n v11 = v9;\n v12 = __crt_mbstring::__c16rtomb_utf8(v11, (char *)*v4, v5, a4);\n v13 = v12;\n if ( v12 == -1 )\n break;\n if ( v11 != v9 )\n {\n if ( (unsigned __int64)a3 < v12 )\n goto LABEL_15;\n memmove(v9, v11, v12);\n }\n if ( v13 && !*((_BYTE *)v9 + v13 - 1) )\n {\n v10 = nullptr;\n v9 = (__crt_mbstring *)((char *)v9 + v13 - 1);\nLABEL_15:\n *(_QWORD *)a2 = v10;\n return v9 - this;\n }\n ++v4;\n if ( v13 )\n v10 = v4;\n a3 = (const wchar_t **)((char *)a3 - v13);\n v9 = (__crt_mbstring *)((char *)v9 + v13);\n v5 = (unsigned __int16)v16;\n }\n *(_QWORD *)a2 = v10;\n return -1;\n }\n else\n {\n v15 = 0;\n while ( 1 )\n {\n result = __crt_mbstring::__c16rtomb_utf8((__crt_mbstring *)v17, (char *)*v4, v5, a4);\n if ( result == -1 )\n break;\n if ( result && !v17[result - 1] )\n return v15 + result - 1;\n v15 += result;\n ++v4;\n }\n }\n return result;\n}", "assembly": "; \n; __crt_mbstring::__wcsrtombs_utf8 from 0x180137108 to 0x180137223 (283 bytes)\n; \n; 2 xrefs:\n; > _wcstombs_l_helper @ 0x18012b530\n; > @ 0x1802035b4\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_10], rbx ; +0x0, 0x180137108\npush rbp ; +0x5, 0x18013710d\npush rsi ; +0x6, 0x18013710e\npush rdi ; +0x7, 0x18013710f\npush r12 ; +0x8, 0x180137110\npush r13 ; +0xa, 0x180137112\npush r14 ; +0xc, 0x180137114\npush r15 ; +0xe, 0x180137116\nsub rsp, 40h ; +0x10, 0x180137118\nmov rax, cs:__security_cookie ; +0x14, 0x18013711c\nxor rax, rsp ; +0x1b, 0x180137123\nmov [rsp+78h+var_48], rax ; +0x1e, 0x180137126\nmov rsi, [rdx] ; +0x23, 0x18013712b\nmov rbp, r9 ; +0x26, 0x18013712e\nmov [rsp+78h+var_58], r9 ; +0x29, 0x180137131\nmov r13, r8 ; +0x2e, 0x180137136\nmov r14, rdx ; +0x31, 0x180137139\nmov r15, rcx ; +0x34, 0x18013713c\ntest rcx, rcx ; +0x37, 0x18013713f\njz loc_1801371CB ; +0x3a, 0x180137142\nmov rbx, rcx ; +0x40, 0x180137148\nmov rdi, rsi ; +0x43, 0x18013714b\nmovzx edx, word ptr [rsi]; char * ; +0x46, 0x18013714e\nlea r12, [rsp+78h+var_50] ; +0x49, 0x180137151\ncmp r13, 4 ; +0x4e, 0x180137156\nmov r8, rbp; char16_t ; +0x52, 0x18013715a\ncmovnb r12, rbx ; +0x55, 0x18013715d\nmov rcx, r12; this ; +0x59, 0x180137161\ncall ?__c16rtomb_utf8@__crt_mbstring@@YA_KPEAD_SPEAU_Mbstatet@@@Z ; +0x5c, 0x180137164\nmov rbp, rax ; +0x61, 0x180137169\ncmp rax, 0FFFFFFFFFFFFFFFFh ; +0x64, 0x18013716c\njz short loc_1801371C2 ; +0x68, 0x180137170\ncmp r12, rbx ; +0x6a, 0x180137172\njz short loc_18013718A ; +0x6d, 0x180137175\ncmp r13, rax ; +0x6f, 0x180137177\njb short loc_1801371B7 ; +0x72, 0x18013717a\nmov r8, rax; Size ; +0x74, 0x18013717c\nmov rdx, r12; Src ; +0x77, 0x18013717f\nmov rcx, rbx; void * ; +0x7a, 0x180137182\ncall memmove ; +0x7d, 0x180137185\ntest rbp, rbp ; +0x82, 0x18013718a\njz short loc_180137199 ; +0x85, 0x18013718d\nlea rax, [rbx+rbp] ; +0x87, 0x18013718f\ncmp byte ptr [rax-1], 0 ; +0x8b, 0x180137193\njz short loc_1801371B1 ; +0x8f, 0x180137197\nadd rsi, 2 ; +0x91, 0x180137199\ntest rbp, rbp ; +0x95, 0x18013719d\ncmovnz rdi, rsi ; +0x98, 0x1801371a0\nsub r13, rbp ; +0x9c, 0x1801371a4\nadd rbx, rbp ; +0x9f, 0x1801371a7\nmov rbp, [rsp+78h+var_58] ; +0xa2, 0x1801371aa\njmp short loc_18013714E ; +0xa7, 0x1801371af\nxor edi, edi ; +0xa9, 0x1801371b1\nlea rbx, [rax-1] ; +0xab, 0x1801371b3\nsub rbx, r15 ; +0xaf, 0x1801371b7\nmov [r14], rdi ; +0xb2, 0x1801371ba\nmov rax, rbx ; +0xb5, 0x1801371bd\njmp short loc_1801371FE ; +0xb8, 0x1801371c0\nmov [r14], rdi ; +0xba, 0x1801371c2\nor rax, 0FFFFFFFFFFFFFFFFh ; +0xbd, 0x1801371c5\njmp short loc_1801371FE ; +0xc1, 0x1801371c9\nxor ebx, ebx ; +0xc3, 0x1801371cb\nmovzx edx, word ptr [rsi]; char * ; +0xc5, 0x1801371cd\nlea rcx, [rsp+78h+var_50]; this ; +0xc8, 0x1801371d0\nmov r8, rbp; char16_t ; +0xcd, 0x1801371d5\ncall ?__c16rtomb_utf8@__crt_mbstring@@YA_KPEAD_SPEAU_Mbstatet@@@Z ; +0xd0, 0x1801371d8\ncmp rax, 0FFFFFFFFFFFFFFFFh ; +0xd5, 0x1801371dd\njz short loc_1801371FE ; +0xd9, 0x1801371e1\ntest rax, rax ; +0xdb, 0x1801371e3\njz short loc_1801371EF ; +0xde, 0x1801371e6\ncmp byte ptr [rsp+rax+78h+var_58+7], 0 ; +0xe0, 0x1801371e8\njz short loc_1801371F8 ; +0xe5, 0x1801371ed\nadd rbx, rax ; +0xe7, 0x1801371ef\nadd rsi, 2 ; +0xea, 0x1801371f2\njmp short loc_1801371CD ; +0xee, 0x1801371f6\ndec rax ; +0xf0, 0x1801371f8\nadd rax, rbx ; +0xf3, 0x1801371fb\nmov rcx, [rsp+78h+var_48] ; +0xf6, 0x1801371fe\nxor rcx, rsp; StackCookie ; +0xfb, 0x180137203\ncall __security_check_cookie ; +0xfe, 0x180137206\nmov rbx, [rsp+78h+arg_10] ; +0x103, 0x18013720b\nadd rsp, 40h ; +0x10b, 0x180137213\npop r15 ; +0x10f, 0x180137217\npop r14 ; +0x111, 0x180137219\npop r13 ; +0x113, 0x18013721b\npop r12 ; +0x115, 0x18013721d\npop rdi ; +0x117, 0x18013721f\npop rsi ; +0x118, 0x180137220\npop rbp ; +0x119, 0x180137221\nretn ; +0x11a, 0x180137222", "xrefs": ["_wcstombs_l_helper @ 0x18012b530", " @ 0x1802035b4"], "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"}