ArhEVM_Labs/main.c

#include <stdio.h>
#include <windows.h>
#include <locale.h>

int getLogicalDriveStrings() {
    printf("- GetLogicalDriveStrings:\n");
    char buffer[4096]; // ñàì áóôåð äëÿ ñòðîêè
    DWORD bufSize = sizeof(buffer) - 1; // ðàçìåð áóôåðà, â êîòîðûé íóæíî çàïèñûâàòü ñòðîêó ñ äèñêàìè

    GetLogicalDriveStrings(bufSize, buffer); // Ïîëó÷åíèå ñïèñêà ëîãè÷åñêèõ äèñêîâ
    char *drive = buffer;
    while (*drive) { // ïåðåáîð äèñêîâ
        printf("Äèñê: %s\n", drive);
        // ñëåäóþùèé äèñê
        drive += strlen(drive) + 1;
    }
    return 0;
}
int getVolumeInformation() {
    printf("- GetVolumeInformation:\n");
    char volumeName[256];
    char fileSystemName[256];
    DWORD serialNumber;
    DWORD maxComponentLength;
    DWORD fileSystemFlags;

    // Ïîëó÷åíèå èíôîðìàöèè î òåêóùåì äèñêå
    GetVolumeInformation("C:\\", //  óêàçàòåëü íà ñòðîêó, ñîäåðæàùóþ êîðíåâîé êàòàëîã òîìà
                         volumeName, // áóôåð, êîòîðûé ïîëó÷èò èìÿ òîìà
                         sizeof(volumeName), // äëèíà áóôåðà äëÿ èìåíè òîìà
                         &serialNumber,  // óêàçàòåëü íà ïåðåìåííóþ, êîòîðàÿ ïîëó÷èò èìÿ óêàçàííîãî òîìà
                         &maxComponentLength, //
                         &fileSystemFlags, //
                         fileSystemName, // áóôåð äëÿ íàçâàíèÿ ôàéëîâîé ñèñòåìû
                         sizeof(fileSystemName)); // ðàçìåð áóôåðà íàçâàíèÿ ôàéëîâîé ñèñòåìû
    printf("Èìÿ òîìà: %s\n", volumeName);
    printf("Ñåðèéíûé íîìåð: %lu\n", serialNumber);
    printf("Max Component Length: %lu\n", maxComponentLength);
    printf("Òèï ôàéëîâîé ñèñòåìû: %s\n", fileSystemName);
    printf("File System Flags: %lu\n", fileSystemFlags);
    return 0;
}

// ---
long getFileSize(LPCSTR path) {
    printf("- GetFileSize:\n");
    HANDLE hFile;
    unsigned long long high;
    unsigned long long low;
    // Îòêðûòèå ôàéëà
    hFile = CreateFile(path,
                       GENERIC_READ,
                       FILE_SHARE_READ,
                       NULL,
                       OPEN_EXISTING,
                       FILE_ATTRIBUTE_NORMAL,
                       NULL);
    if (hFile == INVALID_HANDLE_VALUE) {
        printf("Íå óäàëîñü îòêðûòü ôàéë\n");
        CloseHandle(hFile);
        return 1;
    }

    // Ïîëó÷åíèå ðàçìåðà ôàéëà
    low = GetFileSize(hFile, (LPDWORD) &high);

    // Çàêðûòèå ôàéëà
    CloseHandle(hFile);

    // Âûâîä ðàçìåðà ôàéëà
    printf("Ðàçìåð ôàéëà: %llu\n", high << 32 | low);
    return 0;
}
int findNextFile() {
    printf("- FindNextFile:\n");
    WIN32_FIND_DATA findData;
    HANDLE hFind;
    char path[MAX_PATH];

    // Çàäàåì ïóòü ê äèðåêòîðèè, êîòîðóþ íóæíî ïðîñêàíèðîâàòü
    strcpy(path, "..\\*");

    // Íà÷èíàåì ïîèñê ïåðâîãî ôàéëà/ïàïêè â äèðåêòîðèè
    hFind = FindFirstFile(path, &findData);

    // Ïåðåáèðàåì âñå ôàéëû è ïàïêè â äèðåêòîðèè
    do {
        if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
            printf("Ïàïêà: %s\n", findData.cFileName);
        } else {
            printf("\tÔàéë: %s\n", findData.cFileName);
        }
    } while (FindNextFile(hFind, &findData));

    // Çàêðûòèå äåñêðèïòîðà ïîèñêà
    FindClose(hFind);

    return 0;
}
int getWindowsDirectory() {
    printf("- GetWindowsDirectory:\n");
    char windowsDir[255]; // ñþäà çàïèøóòñÿ ñèìâîëû ïóòè

    GetWindowsDirectory(windowsDir, sizeof(windowsDir));

    printf("Âèíäîñâ ïàïêà òóò: %s\n", windowsDir);
    return 0;
}
int compareFileTime(LPCSTR path_1, LPCSTR path_2)  {
    printf("- CompareFileTime:\n");
    FILETIME fileTime1;
    FILETIME fileTime2;

    // ïåðâûé ôàéë
    HANDLE file1 =  CreateFile(path_1,
                               GENERIC_READ,
                               FILE_SHARE_READ,
                               NULL,
                               OPEN_EXISTING,
                               FILE_ATTRIBUTE_NORMAL,
                               NULL);
    if (file1 == INVALID_HANDLE_VALUE) {
        printf("Íå óäàëîñü îòêðûòü ôàéë 1\n");
        CloseHandle(file1);
        return 1;
    }

    // âðåìÿ èçìåíåíèÿ ïåðâîãî ôàéëà
    GetFileTime(file1, NULL, NULL, &fileTime1);

    // çàêðûâàåì ïåðâûé ôàéë
    CloseHandle(file1);

    // Îòêðûâàåì âòîðîé ôàéë
    HANDLE file2 =  CreateFile(path_2,
                               GENERIC_READ,
                               FILE_SHARE_READ,
                               NULL,
                               OPEN_EXISTING,
                               FILE_ATTRIBUTE_NORMAL,
                               NULL);
    if (file2 == INVALID_HANDLE_VALUE) {
        printf("Íå óäàëîñü îòêðûòü ôàéë 2\n");
        CloseHandle(file2);
        return 1;
    }
    // Ïîëó÷àåì âðåìÿ èçìåíåíèÿ âòîðîãî ôàéëà
    GetFileTime(file2, NULL, NULL, &fileTime2);

    // Çàêðûâàåì âòîðîé ôàéë
    CloseHandle(file2);

    // Ñðàâíèâàåì âðåìÿ èçìåíåíèÿ ôàéëîâ
    int comparisonResult = CompareFileTime(&fileTime1, &fileTime2);

    if (comparisonResult == 1) {
        printf("Ôàéë 1 áûë èçìåíåí ðàíüøå ôàéëà 2\n");
    } else if (comparisonResult == -1) {
        printf("Ôàéë 2 áûë èçìåíåí ðàíüøå ôàéëà 1\n");
    } else {
        printf("Âðåìÿ èçìåíåíèÿ ôàéëîâ îäèíàêîâî\n");
    }

    return 0;
}

// ---
int setLocalTime() {
    printf("- SetLocalTime:\n");
    // Ñîçäàíèå ñòðóêòóðû SYSTEMTIME äëÿ óñòàíîâêè âðåìåíè
    SYSTEMTIME systemTime;

    // Çàïîëíåíèå ñòðóêòóðû SYSTEMTIME äàííûìè òåêóùåãî âðåìåíè
    GetLocalTime(&systemTime);
    printf("Äàòà è âðåìÿ ÄÎ èçìåíåíèÿ: %02d-%02d-%d %02d:%02d:%02d\n",
           systemTime.wDay, systemTime.wMonth, systemTime.wYear,
           systemTime.wHour, systemTime.wMinute, systemTime.wSecond);

    // Óâåëè÷åíèå ÷àñîâîãî çíà÷åíèÿ íà 1
    if (systemTime.wHour < 23) {
        systemTime.wHour++;
    } else {
        systemTime.wHour = 0;
    }

    // Óñòàíîâêà íîâîãî âðåìåíè ñ èñïîëüçîâàíèåì SetLocalTime
    SetLocalTime(&systemTime);
    printf("Âðåìÿ óñïåøíî èçìåíåíî\n");

    printf("Äàòà è âðåìÿ ÏÎÑËÅ èçìåíåíèÿ: %02d-%02d-%d %02d:%02d:%02d\n",
           systemTime.wDay, systemTime.wMonth, systemTime.wYear,
           systemTime.wHour, systemTime.wMinute, systemTime.wSecond);

    return 0;
}
int getFileAttributes(LPCSTR path){
    DWORD fileAttributes = GetFileAttributes(path);
    if (fileAttributes == INVALID_FILE_ATTRIBUTES)
    {
        printf("Îøèáêà îòêðûòèÿ ôàéëà.\n");
        return 1;
    }
    if (fileAttributes & FILE_ATTRIBUTE_READONLY) {
        printf("\n/Read-only");
    }
    if (fileAttributes & FILE_ATTRIBUTE_HIDDEN) {
        printf("\n/Hidden");
    }
    if (fileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
        printf("\n/Directory");
    }// è òàê äàëåå äëÿ äðóãèõ àòðèáóòîâ ôàéëà...
    printf("\n");
}
int setFileAttributes(LPCSTR path, DWORD dwFileAttributes) {

    printf("- SetFileAttributes:\n");
// Góòü ê ôàéëó
    // Ñáðàñûâàåì àòðèáóòû ôàéëà
    SetFileAttributes(path, (DWORD) 0);
    // Òåêóùèå àòðèáóòû ôàéëà
    printf("\tÒåêóùèå àòðèáóòû ôàéëà ÄÎ çàìåíû: ");
    getFileAttributes(path);

    // Óñòàíàâëèâàåì àòðèáóòû ôàéëà
    DWORD newFileAttributes = dwFileAttributes;
    BOOL result = SetFileAttributes( path, (DWORD) newFileAttributes);

    printf("\tÒåêóùèå àòðèáóòû ôàéëà ÏÎÑËÅ çàìåíû: ");

    getFileAttributes(path);

    return 0;
}
int createFile() {
    printf("- CreateFile:\n");
    HANDLE hFile;
    char* fileName = "example.txt";

    // Ñîçäàíèå ôàéëà
    hFile = CreateFile(fileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

    // Çàïèñü â ôàéë
    char* data = "Hello, World!";
    DWORD bytesWritten;
    WriteFile(hFile, data, strlen(data), &bytesWritten, NULL);

    // Çàêðûòèå ôàéëà
    CloseHandle(hFile);

    // Ïîâòîðíîå îòêðûòèå ôàéëà
    hFile = CreateFile(fileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

    // ×òåíèå èç ôàéëà
    const int bufferSize = 100;
    char buffer[bufferSize];
    DWORD bytesRead;
    if (!ReadFile(hFile, buffer, bufferSize, &bytesRead, NULL))
    {
        printf("Failed to read from file.\n");
        CloseHandle(hFile);
        return 1;
    }

    // Âûâîä ñîäåðæèìîãî ôàéëà
    printf("Ñîäåðæèìîå ôàéëà: %.*s\n", bytesRead, buffer);

    // Çàêðûòèå ôàéëà
    CloseHandle(hFile);

    return 0;
}


int main() {
    setlocale(LC_ALL, "Rus");
    printf("\n----------------------------\n----------------------------\n----------------------------\n");
    printf("\tÈíôîðìàöèÿ î äèñêàõ:\n");
    // getLogicalDriveStrings();// + ïîëó÷åíèå áóêâ äèñêîâ
    // getVolumeInformation();// + ïîëó÷åíèå èíôîðìàöèè î ôàéëîâîé ñèñòåìå âûáðàííîãî ëîãè÷åñêîãî äèñêà
    printf("\n------------------------------------------\n");
    printf("\tÈíôîðìàöèÿ î ôàéëàõ è äèðåêòîðèÿõ:\n");
    getFileSize("text.txt");// + ïîëó÷àåò ðàçìåð ôàéëà
    getFileSize("texàâïàâït.txt");// + ïîëó÷àåò ðàçìåð ôàéëà
    // findNextFile();// + ïîèñê ñëåäóþùåãî ôàéëà â ìåñòå ïîèñêà
    // getWindowsDirectory();// + ïóòü ê îñíîâíîìó êàòàëîãó âèíäîâñ
    compareFileTime("text.txt", "text2.txt.");// + îïðåäåëåíèå êàêîé èç ôàéëîâ áîëåå íîâûé
    printf("\n----------------------------\n");
    printf("\tÓïðàâëÿþùèå ôóíêöèè:\n");
    // setLocalTime();// + óñòàíîâèòü òåêóùóþ äàòó è âðåìÿ
    printf("\tÂâåäèòå íóæíûé àòðèáóò äëÿ óñòàíîâêè ôàéëó: 1 - òîëüêî äëÿ ÷òåíèÿ, 2 - ñêðûòûé, 3 - àðõèâíûé\n");
    int chislo = 0;
    scanf("%d", &chislo);
    if (chislo == 1 || chislo == 2 || chislo == 3)
        setFileAttributes("text3.txt", chislo);// + óñòàíîâêà ôàéëîâûõ àòðèáóòîâ
        else {
            printf("Óêàçàí íåâåðíûé íîìåð àòðèáóòà\n");
        }
    // createFile();// + ñîçäàòü/îòêðûòü ôàéë
    // CopyFile("text.txt", "text3.txt", 0);// ñêîïèðîâàòü ôàéë
}