mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-15 11:22:34 +03:00
502 lines
11 KiB
C
502 lines
11 KiB
C
#ifndef INCLUDE_FILESYSTEM_H
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#define INCLUDE_FILESYSTEM_H
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#print "[include <fs.h>]\n"
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#ifndef INCLUDE_DATE_H
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#include "../lib/date.h"
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#endif
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#ifndef INCLUDE_COLLECTION_H
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#include "../lib/collection.h"
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#endif
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//===================================================//
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// //
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// Basic System Functions //
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// //
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//===================================================//
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:struct F70{
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dword func;
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dword param1;
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dword param2;
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dword param3;
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dword param4;
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char rezerv;
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dword name;
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} f70;
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:struct BDVK {
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dword readonly:1, hidden:1, system:1, volume_label:1, isfolder:1, notarchived:1, :0;
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byte type_name;
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byte rez1, rez2, selected;
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dword timecreate;
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date datecreate;
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dword timelastaccess;
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date datelastaccess;
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dword timelastedit;
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date datelastedit;
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dword sizelo;
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dword sizehi;
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char name[518];
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};
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:dword GetFileInfo(dword file_path, bdvk_struct)
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{
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f70.func = 5;
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f70.param1 =
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f70.param2 =
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f70.param3 = 0;
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f70.param4 = bdvk_struct;
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f70.rezerv = 0;
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f70.name = file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:dword SetFileInfo(dword file_path, bdvk_struct)
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{
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f70.func = 6;
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f70.param1 =
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f70.param2 =
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f70.param3 = 0;
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f70.param4 = bdvk_struct;
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f70.rezerv = 0;
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f70.name = file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:signed int RunProgram(dword run_path, run_param)
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{
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f70.func = 7;
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f70.param1 =
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f70.param3 =
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f70.param4 =
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f70.rezerv = 0;
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f70.param2 = run_param;
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f70.name = run_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int CreateDir(dword new_folder_path)
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{
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f70.func = 9;
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f70.param1 =
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f70.param2 =
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f70.param3 =
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f70.param4 =
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f70.rezerv = 0;
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f70.name = new_folder_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int DeleteFile(dword del_file_path)
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{
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f70.func = 8;
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f70.param1 =
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f70.param2 =
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f70.param3 =
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f70.param4 =
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f70.rezerv = 0;
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f70.name = del_file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int ReadFile(dword offset, data_size, buffer, file_path)
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{
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f70.func = 0;
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f70.param1 = offset;
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f70.param2 = 0;
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f70.param3 = data_size;
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f70.param4 = buffer;
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f70.rezerv = 0;
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f70.name = file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int CreateFile(dword data_size, buffer, file_path)
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{
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f70.func = 2;
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f70.param1 = 0;
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f70.param2 = 0;
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f70.param3 = data_size;
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f70.param4 = buffer;
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f70.rezerv = 0;
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f70.name = file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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////////////////////////////////////////
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// WriteInFileThatAlredyExists //
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////////////////////////////////////////
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:int WriteFile(dword offset, data_size, buffer, file_path)
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{
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f70.func = 3;
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f70.param1 = offset;
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f70.param2 = 0;
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f70.param3 = data_size;
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f70.param4 = buffer;
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f70.rezerv = 0;
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f70.name = file_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int RenameMove(dword path_to, path_from)
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{
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f70.func = 10;
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f70.param1 =
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f70.param2 =
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f70.param3 = 0;
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f70.param4 = path_to;
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f70.rezerv = 0;
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f70.name = path_from;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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:int ReadDir(dword file_count, read_buffer, dir_path)
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{
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f70.func = 1;
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f70.param1 =
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f70.param2 =
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f70.rezerv = 0;
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f70.param3 = file_count;
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f70.param4 = read_buffer;
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f70.name = dir_path;
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$mov eax,70
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$mov ebx,#f70.func
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$int 0x40
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}
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//ECX - buf pointer
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inline fastcall void SetCurDir( ECX)
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{
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EAX=30;
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EBX=1;
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$int 0x40
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}
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//ECX - buf pointer
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//EDX - buf size
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inline fastcall void GetCurDir( ECX, EDX)
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{
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EAX=30;
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EBX=2;
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$int 0x40
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}
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void read_file(dword path1, buf, size)
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{
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EAX = 68;
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EBX = 27;
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ECX = path1;
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$int 0x40;
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ESDWORD[size] = EDX;
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ESDWORD[buf] = EAX;
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}
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//===================================================//
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// //
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// Misc //
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// //
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//===================================================//
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:bool dir_exists(dword fpath)
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{
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char buf[32];
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if (!ReadDir(0, #buf, fpath)) return true;
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return false;
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}
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:dword get_file_size(dword _path)
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{
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BDVK bdvk;
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if (GetFileInfo(_path, #bdvk)!=0) return 0;
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else return bdvk.sizelo;
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}
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/*
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// This implementation of dir_exists() is faster than
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// previous but here virtual folders like
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// '/' and '/tmp' are not recognised as FOLDERS
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// by GetFileInfo() => BDVK.isfolder attribute :(
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:bool dir_exists(dword fpath)
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{
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BDVK fpath_atr;
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if (GetFileInfo(fpath, #fpath_atr) != 0) return false;
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return fpath_atr.isfolder;
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}
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*/
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:bool file_exists(dword fpath)
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{
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BDVK ReadFile_atr;
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if (! GetFileInfo(fpath, #ReadFile_atr)) return true;
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return false;
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}
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enum
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{
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DIRS_ALL,
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DIRS_NOROOT,
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DIRS_ONLYREAL
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};
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:int GetDir(dword dir_buf, file_count, path, doptions)
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dword buf, fcount, error;
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char readbuf[32];
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{
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error = ReadDir(0, #readbuf, path);
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if (!error)
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{
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fcount = ESDWORD[#readbuf+8];
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buf = malloc(fcount+1*304+32);
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ReadDir(fcount, buf, path);
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//fcount=EBX;
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if (doptions == DIRS_ONLYREAL)
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{
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if (!strcmp(".",buf+72)) {fcount--; memmov(buf,buf+304,fcount*304);}
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if (!strcmp("..",buf+72)) {fcount--; memmov(buf,buf+304,fcount*304);}
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}
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if (doptions == DIRS_NOROOT)
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{
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if (!strcmp(".",buf+72)) {fcount--; memmov(buf,buf+304,fcount*304);}
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}
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ESDWORD[dir_buf] = buf;
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ESDWORD[file_count] = fcount;
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}
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else
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{
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ESDWORD[dir_buf] = 0;
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ESDWORD[file_count] = 0;
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}
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return error;
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}
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:dword abspath(dword relative_path) //GetAbsolutePathFromRelative()
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{
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char absolute_path[4096];
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if (ESBYTE[relative_path]=='/')
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{
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strcpy(#absolute_path, relative_path);
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}
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else
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{
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strcpy(#absolute_path, I_Path);
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absolute_path[strrchr(#absolute_path, '/')] = '\0';
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strcat(#absolute_path, relative_path);
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}
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return #absolute_path;
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}
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:dword GetIni(dword ini_path, ini_name) //search it on /kolibrios/ then on /sys/
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{
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strcpy(ini_path, "/kolibrios/settings/");
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strcat(ini_path, ini_name);
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if (!file_exists(ini_path)) {
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strcpy(ini_path, "/sys/SETTINGS/");
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strcat(ini_path, ini_name);
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}
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return ini_path;
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}
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:dword notify(dword notify_param)
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{
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return RunProgram("/sys/@notify", notify_param);
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}
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:void die(dword _last_msg)
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{
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notify(_last_msg);
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ExitProcess();
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}
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//===================================================//
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// //
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// Convert Size //
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// //
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//===================================================//
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:byte ConvertSize_size_prefix[8];
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:dword ConvertSize(dword bytes)
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{
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byte size_nm[4];
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if (bytes>=1073741824) strlcpy(#size_nm, "Gb",2);
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else if (bytes>=1048576) strlcpy(#size_nm, "Mb",2);
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else if (bytes>=1024) strlcpy(#size_nm, "Kb",2);
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else strlcpy(#size_nm, "b ",2);
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while (bytes>1023) bytes >>= 10;
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sprintf(#ConvertSize_size_prefix,"%d %s",bytes,#size_nm);
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return #ConvertSize_size_prefix;
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}
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:dword ConvertSize64(dword bytes_lo, bytes_hi)
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{
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if (bytes_hi > 0) {
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if (bytes_lo>=1073741824) bytes_lo >>= 30; else bytes_lo = 0;
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sprintf(#ConvertSize_size_prefix,"%d Gb",bytes_hi<<2 + bytes_lo);
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return #ConvertSize_size_prefix;
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}
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else return ConvertSize(bytes_lo);
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}
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:unsigned char size[25];
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:dword ConvertSizeToKb(unsigned int bytes)
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{
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dword kb_line;
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if (bytes >= 1024)
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{
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kb_line = itoa(bytes / 1024);
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strcpy(#size, kb_line);
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strcat(#size, " Kb");
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}
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else {
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kb_line = itoa(bytes);
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strcpy(#size, kb_line);
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strcat(#size, " b");
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}
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return #size;
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}
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//===================================================//
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// //
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// Copy //
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// //
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//===================================================//
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:int CopyFileAtOnce(dword size, copyFrom, copyTo)
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dword cbuf;
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int error;
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{
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cbuf = malloc(size);
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if (error = ReadFile(0, size, cbuf, copyFrom))
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{
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debugln("Error: CopyFileAtOnce->ReadFile");
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}
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else
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{
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if (error = CreateFile(size, cbuf, copyTo)) debugln("Error: CopyFileAtOnce->CreateFile");
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}
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free(cbuf);
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return error;
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}
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:int CopyFileByBlocks(dword size, copyFrom, copyTo)
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dword cbuf;
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int error=-1;
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dword offpos=0;
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int block_size=1024*1024*4; //copy by 4 MiB
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{
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if (GetFreeRAM()>1024*78) {
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//Set block size 32 MiB
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block_size <<= 3;
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}
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cbuf = malloc(block_size);
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if (error = CreateFile(0, 0, copyTo))
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{
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debugln("Error: CopyFileByBlocks->CreateFile");
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size = -1;
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}
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while(offpos < size)
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{
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error = ReadFile(offpos, block_size, cbuf, copyFrom);
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if (error = 6) { //File ended before last byte was readed
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block_size = EBX;
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if (block_size+offpos>=size) error=0;
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}
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else
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if (error!=0) {
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debugln("Error: CopyFileByBlocks->ReadFile");
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break;
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}
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if (error = WriteFile(offpos, block_size, cbuf, copyTo)) {
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debugln("Error: CopyFileByBlocks->WriteFile");
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break;
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}
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offpos += block_size;
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}
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free(cbuf);
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return error;
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}
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//===================================================//
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// //
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// Directory Size //
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// //
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//===================================================//
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:struct DIR_SIZE
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{
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BDVK dir_info;
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dword folders;
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dword files;
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dword bytes;
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dword get();
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dword calculate_loop();
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};
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:dword DIR_SIZE::get(dword way1)
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{
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folders = files = bytes = 0;
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if (!way1) return 0;
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calculate_loop(way1);
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}
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:dword DIR_SIZE::calculate_loop(dword way)
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{
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dword dirbuf, fcount, i, filename;
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dword cur_file;
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if (!way) return 0;
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if (dir_exists(way))
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{
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cur_file = malloc(4096);
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// In the process of recursive descent, memory must be allocated dynamically,
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// because the static memory -> was a bug !!! But unfortunately pass away to sacrifice speed.
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GetDir(#dirbuf, #fcount, way, DIRS_ONLYREAL);
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for (i=0; i<fcount; i++)
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{
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filename = i*304+dirbuf+72;
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sprintf(cur_file,"%s/%s",way,filename);
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if (TestBit(ESDWORD[filename-40], 4) )
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{
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folders++;
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calculate_loop(cur_file);
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}
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else
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{
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GetFileInfo(cur_file, #dir_info);
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bytes += dir_info.sizelo;
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files++;
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}
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}
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free(cur_file);
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free(dirbuf);
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}
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return files;
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}
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#endif |