{"type": "func", "start": 6443666272, "end": 6443666626, "name": "strncpy", "pseudocode": "// \n// strncpy from 0x180128b60 to 0x180128cc2 (354 bytes)\n// \n// 22 xrefs:\n// > sub_180020140 @ 0x180020337\n// > sub_1800F6380 @ 0x1800f63db\n// > sub_1800F6380 @ 0x1800f63f7\n// > sub_1800F6380 @ 0x1800f6458\n// > sub_1800F6380 @ 0x1800f646f\n// > sub_1800F6380 @ 0x1800f64ea\n// > sub_1800F6380 @ 0x1800f6501\n// > sub_1800F6380 @ 0x1800f6589\n// > sub_1800F6380 @ 0x1800f659c\n// > sub_180107A40 @ 0x180107a95\n// > sub_180107A40 @ 0x180107aae\n// > sub_180109650 @ 0x1801096ab\n// > sub_180109650 @ 0x1801096c4\n// > sub_180109650 @ 0x18010973a\n// > sub_180109650 @ 0x180109751\n// > sub_180109650 @ 0x1801097e4\n// > sub_180109650 @ 0x1801097fb\n// > sub_180109650 @ 0x180109872\n// > sub_180109650 @ 0x180109889\n// > sub_180109650 @ 0x18010990e\n// > sub_180109650 @ 0x180109925\n// > @ 0x180202a20\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\nchar *__cdecl strncpy(char *Destination, const char *Source, size_t Count)\n{\n signed __int64 v4; // rcx\n bool v5; // zf\n unsigned __int64 v7; // rax\n bool v8; // cc\n unsigned __int64 v9; // rax\n unsigned __int64 v10; // rax\n unsigned int v11; // eax\n const char *v12; // rcx\n bool v13; // cf\n size_t i; // r8\n unsigned __int64 v15; // r8\n\n if ( !Count )\n return Destination;\n v4 = Destination - Source;\n if ( ((unsigned __int8)Source & 7) != 0 )\n {\n while ( 1 )\n {\n v5 = *Source == 0;\n Source[v4] = *Source;\n if ( v5 )\n break;\n ++Source;\n if ( !--Count )\n return Destination;\n if ( ((unsigned __int8)Source & 7) == 0 )\n goto _qword_loop_entrance;\n }\nfiller:\n v12 = &Source[v4];\n if ( Count >= 0x10 )\n {\n while ( ((unsigned __int8)v12 & 7) != 0 )\n {\n *++v12 = 0;\n --Count;\n }\n v13 = Count < 0x20;\n for ( i = Count - 32; !v13; i -= 32LL )\n {\n *(_QWORD *)v12 = 0;\n *((_QWORD *)v12 + 1) = 0;\n *((_QWORD *)v12 + 2) = 0;\n *((_QWORD *)v12 + 3) = 0;\n v12 += 32;\n v13 = i < 0x20;\n }\n v15 = i + 32;\n while ( 1 )\n {\n v13 = v15 < 8;\n v15 -= 8LL;\n if ( v13 )\n break;\n *(_QWORD *)v12 = 0;\n v12 += 8;\n }\n Count = v15 + 8;\n }\n while ( 1 )\n {\n v13 = Count-- == 0;\n if ( v13 )\n break;\n *v12++ = 0;\n }\n return Destination;\n }\n else\n {\n do\n {\n_qword_loop_entrance:\n while ( 1 )\n {\n v7 = *(_QWORD *)Source;\n v8 = Count <= 8;\n Count -= 8LL;\n if ( v8 || (((v7 + 0x7EFEFEFEFEFEFEFFLL) ^ ~v7) & 0x8101010101010100uLL) != 0 )\n break;\n *(_QWORD *)&Source[v4] = v7;\n Source += 8;\n }\n Count += 8LL;\n if ( !Count )\n break;\n Source[v4] = v7;\n if ( !(_BYTE)v7 )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n Source[v4] = BYTE1(v7);\n if ( !BYTE1(v7) )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n v9 = v7 >> 16;\n Source[v4] = v9;\n if ( !(_BYTE)v9 )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n Source[v4] = BYTE1(v9);\n if ( !BYTE1(v9) )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n v10 = v9 >> 16;\n Source[v4] = v10;\n if ( !(_BYTE)v10 )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n Source[v4] = BYTE1(v10);\n if ( !BYTE1(v10) )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n v11 = WORD1(v10);\n Source[v4] = v11;\n if ( !(_BYTE)v11 )\n goto filler;\n ++Source;\n if ( !--Count )\n break;\n Source[v4] = BYTE1(v11);\n if ( !BYTE1(v11) )\n goto filler;\n ++Source;\n --Count;\n }\n while ( Count );\n return Destination;\n }\n}", "assembly": "; \n; strncpy from 0x180128b60 to 0x180128cc2 (354 bytes)\n; \n; 22 xrefs:\n; > sub_180020140 @ 0x180020337\n; > sub_1800F6380 @ 0x1800f63db\n; > sub_1800F6380 @ 0x1800f63f7\n; > sub_1800F6380 @ 0x1800f6458\n; > sub_1800F6380 @ 0x1800f646f\n; > sub_1800F6380 @ 0x1800f64ea\n; > sub_1800F6380 @ 0x1800f6501\n; > sub_1800F6380 @ 0x1800f6589\n; > sub_1800F6380 @ 0x1800f659c\n; > sub_180107A40 @ 0x180107a95\n; > sub_180107A40 @ 0x180107aae\n; > sub_180109650 @ 0x1801096ab\n; > sub_180109650 @ 0x1801096c4\n; > sub_180109650 @ 0x18010973a\n; > sub_180109650 @ 0x180109751\n; > sub_180109650 @ 0x1801097e4\n; > sub_180109650 @ 0x1801097fb\n; > sub_180109650 @ 0x180109872\n; > sub_180109650 @ 0x180109889\n; > sub_180109650 @ 0x18010990e\n; > sub_180109650 @ 0x180109925\n; > @ 0x180202a20\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 r11, rcx ; +0x0, 0x180128b60\nor r8, r8 ; +0x3, 0x180128b63\njz short strncpy_exit ; +0x6, 0x180128b66\nsub rcx, rdx ; +0x8, 0x180128b68\ntest dl, 7 ; +0xb, 0x180128b6b\njz short _qword_loop_entrance ; +0xe, 0x180128b6e\nmov al, [rdx] ; +0x10, 0x180128b70\ntest al, al ; +0x12, 0x180128b72\nmov [rdx+rcx], al ; +0x14, 0x180128b74\njz filler ; +0x17, 0x180128b77\ninc rdx ; +0x1d, 0x180128b7d\ndec r8 ; +0x20, 0x180128b80\njz short strncpy_exit ; +0x23, 0x180128b83\ntest dl, 7 ; +0x25, 0x180128b85\njnz short copy_head_loop_begin ; +0x28, 0x180128b88\njmp short _qword_loop_entrance ; +0x2a, 0x180128b8a\nmov rax, r11 ; +0x2c, 0x180128b8c\nretn ; +0x2f, 0x180128b8f\nmov [rdx+rcx], rax ; +0x30, 0x180128b90\nadd rdx, 8 ; +0x34, 0x180128b94\nmov rax, [rdx] ; +0x38, 0x180128b98\nsub r8, 8 ; +0x3b, 0x180128b9b\njbe short _qword_loop_end ; +0x3f, 0x180128b9f\nmov r9, 7EFEFEFEFEFEFEFFh ; +0x41, 0x180128ba1\nadd r9, rax ; +0x4b, 0x180128bab\nmov r10, rax ; +0x4e, 0x180128bae\nxor r10, 0FFFFFFFFFFFFFFFFh ; +0x51, 0x180128bb1\nxor r10, r9 ; +0x55, 0x180128bb5\nmov r9, 8101010101010100h ; +0x58, 0x180128bb8\ntest r9, r10 ; +0x62, 0x180128bc2\njz short _qword_loop_begin ; +0x65, 0x180128bc5\nadd r8, 8 ; +0x67, 0x180128bc7\njz strncpy_exit_2 ; +0x6b, 0x180128bcb\ntest al, al ; +0x71, 0x180128bd1\nmov [rdx+rcx], al ; +0x73, 0x180128bd3\njz filler ; +0x76, 0x180128bd6\ninc rdx ; +0x7c, 0x180128bdc\ndec r8 ; +0x7f, 0x180128bdf\njz short strncpy_exit_2 ; +0x82, 0x180128be2\ntest ah, ah ; +0x84, 0x180128be4\nmov [rdx+rcx], ah ; +0x86, 0x180128be6\njz short filler ; +0x89, 0x180128be9\ninc rdx ; +0x8b, 0x180128beb\ndec r8 ; +0x8e, 0x180128bee\njz short strncpy_exit_2 ; +0x91, 0x180128bf1\nshr rax, 10h ; +0x93, 0x180128bf3\ntest al, al ; +0x97, 0x180128bf7\nmov [rdx+rcx], al ; +0x99, 0x180128bf9\njz short filler ; +0x9c, 0x180128bfc\ninc rdx ; +0x9e, 0x180128bfe\ndec r8 ; +0xa1, 0x180128c01\njz short strncpy_exit_2 ; +0xa4, 0x180128c04\ntest ah, ah ; +0xa6, 0x180128c06\nmov [rdx+rcx], ah ; +0xa8, 0x180128c08\njz short filler ; +0xab, 0x180128c0b\ninc rdx ; +0xad, 0x180128c0d\ndec r8 ; +0xb0, 0x180128c10\njz short strncpy_exit_2 ; +0xb3, 0x180128c13\nshr rax, 10h ; +0xb5, 0x180128c15\ntest al, al ; +0xb9, 0x180128c19\nmov [rdx+rcx], al ; +0xbb, 0x180128c1b\njz short filler ; +0xbe, 0x180128c1e\ninc rdx ; +0xc0, 0x180128c20\ndec r8 ; +0xc3, 0x180128c23\njz short strncpy_exit_2 ; +0xc6, 0x180128c26\ntest ah, ah ; +0xc8, 0x180128c28\nmov [rdx+rcx], ah ; +0xca, 0x180128c2a\njz short filler ; +0xcd, 0x180128c2d\ninc rdx ; +0xcf, 0x180128c2f\ndec r8 ; +0xd2, 0x180128c32\njz short strncpy_exit_2 ; +0xd5, 0x180128c35\nshr eax, 10h ; +0xd7, 0x180128c37\ntest al, al ; +0xda, 0x180128c3a\nmov [rdx+rcx], al ; +0xdc, 0x180128c3c\njz short filler ; +0xdf, 0x180128c3f\ninc rdx ; +0xe1, 0x180128c41\ndec r8 ; +0xe4, 0x180128c44\njz short strncpy_exit_2 ; +0xe7, 0x180128c47\ntest ah, ah ; +0xe9, 0x180128c49\nmov [rdx+rcx], ah ; +0xeb, 0x180128c4b\njz short filler ; +0xee, 0x180128c4e\ninc rdx ; +0xf0, 0x180128c50\ndec r8 ; +0xf3, 0x180128c53\njnz _qword_loop_entrance ; +0xf6, 0x180128c56\nmov rax, r11 ; +0xfc, 0x180128c5c\nretn ; +0xff, 0x180128c5f\nadd rcx, rdx ; +0x100, 0x180128c60\nxor rdx, rdx ; +0x103, 0x180128c63\ncmp r8, 10h ; +0x106, 0x180128c66\njb short tail ; +0x10a, 0x180128c6a\ntest cl, 7 ; +0x10c, 0x180128c6c\njz short aligned ; +0x10f, 0x180128c6f\ninc rcx ; +0x111, 0x180128c71\nmov [rcx], dl ; +0x114, 0x180128c74\ndec r8 ; +0x116, 0x180128c76\njmp short aligner1 ; +0x119, 0x180128c79\nsub r8, 20h ; ' ' ; +0x11b, 0x180128c7b\njb short tail_8_enter ; +0x11f, 0x180128c7f\nmov [rcx], rdx ; +0x121, 0x180128c81\nmov [rcx+8], rdx ; +0x124, 0x180128c84\nmov [rcx+10h], rdx ; +0x128, 0x180128c88\nmov [rcx+18h], rdx ; +0x12c, 0x180128c8c\nadd rcx, 20h ; ' ' ; +0x130, 0x180128c90\nsub r8, 20h ; ' ' ; +0x134, 0x180128c94\njnb short loop32 ; +0x138, 0x180128c98\nadd r8, 20h ; ' ' ; +0x13a, 0x180128c9a\nsub r8, 8 ; +0x13e, 0x180128c9e\njb short tail_enter ; +0x142, 0x180128ca2\nmov [rcx], rdx ; +0x144, 0x180128ca4\nadd rcx, 8 ; +0x147, 0x180128ca7\njmp short tail_8_begin ; +0x14b, 0x180128cab\nadd r8, 8 ; +0x14d, 0x180128cad\nsub r8, 1 ; +0x151, 0x180128cb1\njb short tail_finish ; +0x155, 0x180128cb5\nmov [rcx], dl ; +0x157, 0x180128cb7\ninc rcx ; +0x159, 0x180128cb9\njmp short tail ; +0x15c, 0x180128cbc\nmov rax, r11 ; +0x15e, 0x180128cbe\nretn ; +0x161, 0x180128cc1", "xrefs": ["sub_180020140 @ 0x180020337", "sub_1800F6380 @ 0x1800f63db", "sub_1800F6380 @ 0x1800f63f7", "sub_1800F6380 @ 0x1800f6458", "sub_1800F6380 @ 0x1800f646f", "sub_1800F6380 @ 0x1800f64ea", "sub_1800F6380 @ 0x1800f6501", "sub_1800F6380 @ 0x1800f6589", "sub_1800F6380 @ 0x1800f659c", "sub_180107A40 @ 0x180107a95", "sub_180107A40 @ 0x180107aae", "sub_180109650 @ 0x1801096ab", "sub_180109650 @ 0x1801096c4", "sub_180109650 @ 0x18010973a", "sub_180109650 @ 0x180109751", "sub_180109650 @ 0x1801097e4", "sub_180109650 @ 0x1801097fb", "sub_180109650 @ 0x180109872", "sub_180109650 @ 0x180109889", "sub_180109650 @ 0x18010990e", "sub_180109650 @ 0x180109925", " @ 0x180202a20"], "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"}