{"type": "func", "start": 6443752108, "end": 6443752482, "name": "__crt_mbstring::__mbsrtowcs_utf8", "pseudocode": "// \n// __crt_mbstring::__mbsrtowcs_utf8 from 0x18013daac to 0x18013dc22 (374 bytes)\n// \n// 3 xrefs:\n// > write_double_translated_ansi_nolock @ 0x18013fbb0\n// > write_double_translated_ansi_nolock @ 0x18013fc18\n// > @ 0x180203b18\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 __crt_mbstring::__mbsrtowcs_utf8(\n __crt_mbstring *this,\n wchar_t *a2,\n const char **a3,\n unsigned __int64 a4)\n{\n __int64 v4; // rdi\n const char **v6; // rbp\n __crt_mbstring *v9; // rbx\n __int64 v10; // r8\n unsigned __int64 v11; // rax\n __int16 v12; // cx\n unsigned int v13; // ecx\n __int64 i; // rbx\n __int64 v16; // r8\n unsigned __int64 v17; // rax\n struct _Mbstatet *v18; // [rsp+20h] [rbp-28h]\n unsigned int v19; // [rsp+50h] [rbp+8h] BYREF\n\n v4 = *(_QWORD *)a2;\n v6 = a3;\n if ( !this )\n {\n for ( i = 0; ; ++i )\n {\n if ( *(_BYTE *)v4 )\n v16 = *(_BYTE *)(v4 + 1) ? (*(_BYTE *)(v4 + 2) != 0) + 3LL : 2LL;\n else\n v16 = 1;\n v17 = __crt_mbstring::__mbrtoc32_utf8(nullptr, (char32_t *)v4, (const char *)v16, a4, v18);\n if ( v17 == -1 )\n break;\n if ( !v17 )\n return i;\n if ( v17 == 4 )\n ++i;\n v4 += v17;\n }\n goto LABEL_18;\n }\n v9 = this;\n if ( a3 )\n {\n while ( 1 )\n {\n if ( *(_BYTE *)v4 )\n v10 = *(_BYTE *)(v4 + 1) ? (*(_BYTE *)(v4 + 2) != 0) + 3LL : 2LL;\n else\n v10 = 1;\n v11 = __crt_mbstring::__mbrtoc32_utf8((__crt_mbstring *)&v19, (char32_t *)v4, (const char *)v10, a4, v18);\n if ( v11 == -1 )\n break;\n if ( !v11 )\n {\n v4 = 0;\n *(_WORD *)v9 = 0;\n goto LABEL_14;\n }\n v12 = v19;\n if ( v19 > 0xFFFF )\n {\n if ( (unsigned __int64)v6 <= 1 )\n goto LABEL_14;\n v13 = v19 - 0x10000;\n v19 = v13;\n v6 = (const char **)((char *)v6 - 1);\n *(_WORD *)v9 = (v13 >> 10) | 0xD800;\n v9 = (__crt_mbstring *)((char *)v9 + 2);\n v12 = v13 & 0x3FF | 0xDC00;\n }\n *(_WORD *)v9 = v12;\n v4 += v11;\n v9 = (__crt_mbstring *)((char *)v9 + 2);\n v6 = (const char **)((char *)v6 - 1);\n if ( !v6 )\n goto LABEL_14;\n }\n *(_QWORD *)a2 = v4;\nLABEL_18:\n *errno() = 42;\n return -1;\n }\nLABEL_14:\n *(_QWORD *)a2 = v4;\n return (v9 - this) >> 1;\n}", "assembly": "; \n; __crt_mbstring::__mbsrtowcs_utf8 from 0x18013daac to 0x18013dc22 (374 bytes)\n; \n; 3 xrefs:\n; > write_double_translated_ansi_nolock @ 0x18013fbb0\n; > write_double_translated_ansi_nolock @ 0x18013fc18\n; > @ 0x180203b18\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_8], rbx ; +0x0, 0x18013daac\nmov [rsp+arg_10], rbp ; +0x5, 0x18013dab1\npush rdi ; +0xa, 0x18013dab6\npush r12 ; +0xb, 0x18013dab7\npush r13 ; +0xd, 0x18013dab9\npush r14 ; +0xf, 0x18013dabb\npush r15; struct _Mbstatet * ; +0x11, 0x18013dabd\nsub rsp, 20h ; +0x13, 0x18013dabf\nmov rdi, [rdx] ; +0x17, 0x18013dac3\nxor r13d, r13d ; +0x1a, 0x18013dac6\nmov r12, r9 ; +0x1d, 0x18013dac9\nmov rbp, r8 ; +0x20, 0x18013dacc\nmov r14, rdx ; +0x23, 0x18013dacf\nmov r15, rcx ; +0x26, 0x18013dad2\ntest rcx, rcx ; +0x29, 0x18013dad5\njz loc_18013DBCC ; +0x2c, 0x18013dad8\nmov rbx, rcx ; +0x32, 0x18013dade\ntest r8, r8 ; +0x35, 0x18013dae1\njz loc_18013DB8B ; +0x38, 0x18013dae4\ncmp [rdi], r13b ; +0x3e, 0x18013daea\njnz short loc_18013DAF7 ; +0x41, 0x18013daed\nmov r8d, 1 ; +0x43, 0x18013daef\njmp short loc_18013DB14 ; +0x49, 0x18013daf5\ncmp [rdi+1], r13b ; +0x4b, 0x18013daf7\njnz short loc_18013DB05 ; +0x4f, 0x18013dafb\nmov r8d, 2 ; +0x51, 0x18013dafd\njmp short loc_18013DB14 ; +0x57, 0x18013db03\nmov al, [rdi+2] ; +0x59, 0x18013db05\nneg al ; +0x5c, 0x18013db08\nsbb r8, r8 ; +0x5e, 0x18013db0a\nneg r8 ; +0x61, 0x18013db0d\nadd r8, 3; char * ; +0x64, 0x18013db10\nmov r9, r12; unsigned __int64 ; +0x68, 0x18013db14\nlea rcx, [rsp+48h+arg_0]; this ; +0x6b, 0x18013db17\nmov rdx, rdi; char32_t * ; +0x70, 0x18013db1c\ncall ?__mbrtoc32_utf8@__crt_mbstring@@YA_KPEA_UPEBD_KPEAU_Mbstatet@@@Z ; +0x73, 0x18013db1f\nmov rdx, rax ; +0x78, 0x18013db24\ncmp rax, 0FFFFFFFFFFFFFFFFh ; +0x7b, 0x18013db27\njz short loc_18013DBA2 ; +0x7f, 0x18013db2b\ntest rax, rax ; +0x81, 0x18013db2d\njz short loc_18013DB99 ; +0x84, 0x18013db30\nmov ecx, [rsp+48h+arg_0] ; +0x86, 0x18013db32\ncmp ecx, 0FFFFh ; +0x8a, 0x18013db36\njbe short loc_18013DB77 ; +0x90, 0x18013db3c\ncmp rbp, 1 ; +0x92, 0x18013db3e\njbe short loc_18013DB8B ; +0x96, 0x18013db42\nadd ecx, 0FFFF0000h ; +0x98, 0x18013db44\nmov r8d, 0D800h ; +0x9e, 0x18013db4a\nmov eax, ecx ; +0xa4, 0x18013db50\nmov [rsp+48h+arg_0], ecx ; +0xa6, 0x18013db52\nshr eax, 0Ah ; +0xaa, 0x18013db56\ndec rbp ; +0xad, 0x18013db59\nor ax, r8w ; +0xb0, 0x18013db5c\nmov [rbx], ax ; +0xb4, 0x18013db60\nmov eax, 3FFh ; +0xb7, 0x18013db63\nand cx, ax ; +0xbc, 0x18013db68\nadd rbx, 2 ; +0xbf, 0x18013db6b\nmov eax, 0DC00h ; +0xc3, 0x18013db6f\nor cx, ax ; +0xc8, 0x18013db74\nmov [rbx], cx ; +0xcb, 0x18013db77\nadd rdi, rdx ; +0xce, 0x18013db7a\nadd rbx, 2 ; +0xd1, 0x18013db7d\nsub rbp, 1 ; +0xd5, 0x18013db81\njnz loc_18013DAEA ; +0xd9, 0x18013db85\nsub rbx, r15 ; +0xdf, 0x18013db8b\nmov [r14], rdi ; +0xe2, 0x18013db8e\nsar rbx, 1 ; +0xe5, 0x18013db91\nmov rax, rbx ; +0xe8, 0x18013db94\njmp short loc_18013DBB4 ; +0xeb, 0x18013db97\nmov rdi, r13 ; +0xed, 0x18013db99\nmov [rbx], r13w ; +0xf0, 0x18013db9c\njmp short loc_18013DB8B ; +0xf4, 0x18013dba0\nmov [r14], rdi ; +0xf6, 0x18013dba2\ncall _errno ; +0xf9, 0x18013dba5\nmov dword ptr [rax], 2Ah ; '*' ; +0xfe, 0x18013dbaa\nor rax, 0FFFFFFFFFFFFFFFFh ; +0x104, 0x18013dbb0\nmov rbx, [rsp+48h+arg_8] ; +0x108, 0x18013dbb4\nmov rbp, [rsp+48h+arg_10] ; +0x10d, 0x18013dbb9\nadd rsp, 20h ; +0x112, 0x18013dbbe\npop r15 ; +0x116, 0x18013dbc2\npop r14 ; +0x118, 0x18013dbc4\npop r13 ; +0x11a, 0x18013dbc6\npop r12 ; +0x11c, 0x18013dbc8\npop rdi ; +0x11e, 0x18013dbca\nretn ; +0x11f, 0x18013dbcb\nmov rbx, r13 ; +0x120, 0x18013dbcc\ncmp [rdi], r13b ; +0x123, 0x18013dbcf\njnz short loc_18013DBDC ; +0x126, 0x18013dbd2\nmov r8d, 1 ; +0x128, 0x18013dbd4\njmp short loc_18013DBF9 ; +0x12e, 0x18013dbda\ncmp [rdi+1], r13b ; +0x130, 0x18013dbdc\njnz short loc_18013DBEA ; +0x134, 0x18013dbe0\nmov r8d, 2 ; +0x136, 0x18013dbe2\njmp short loc_18013DBF9 ; +0x13c, 0x18013dbe8\nmov al, [rdi+2] ; +0x13e, 0x18013dbea\nneg al ; +0x141, 0x18013dbed\nsbb r8, r8 ; +0x143, 0x18013dbef\nneg r8 ; +0x146, 0x18013dbf2\nadd r8, 3; char * ; +0x149, 0x18013dbf5\nmov r9, r12; unsigned __int64 ; +0x14d, 0x18013dbf9\nmov rdx, rdi; char32_t * ; +0x150, 0x18013dbfc\nxor ecx, ecx; this ; +0x153, 0x18013dbff\ncall ?__mbrtoc32_utf8@__crt_mbstring@@YA_KPEA_UPEBD_KPEAU_Mbstatet@@@Z ; +0x155, 0x18013dc01\ncmp rax, 0FFFFFFFFFFFFFFFFh ; +0x15a, 0x18013dc06\njz short loc_18013DBA5 ; +0x15e, 0x18013dc0a\ntest rax, rax ; +0x160, 0x18013dc0c\njz short loc_18013DB94 ; +0x163, 0x18013dc0f\ncmp rax, 4 ; +0x165, 0x18013dc11\njnz short loc_18013DC1A ; +0x169, 0x18013dc15\ninc rbx ; +0x16b, 0x18013dc17\nadd rdi, rax ; +0x16e, 0x18013dc1a\ninc rbx ; +0x171, 0x18013dc1d\njmp short loc_18013DBCF ; +0x174, 0x18013dc20", "xrefs": ["write_double_translated_ansi_nolock @ 0x18013fbb0", "write_double_translated_ansi_nolock @ 0x18013fc18", " @ 0x180203b18"], "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"}