C++ (Cpp) FXSYS_ftell 예제들

예제 #1

파일: fxcrt_platforms.cpp 프로젝트: codemonkey85/pdfium

FX_FILESIZE CFXCRT_FileAccess_CRT::GetSize() const
{
    if (!m_hFile) {
        return 0;
    }
    FX_FILESIZE pos = (FX_FILESIZE)FXSYS_ftell(m_hFile);
    FXSYS_fseek(m_hFile, 0, FXSYS_SEEK_END);
    FX_FILESIZE size = (FX_FILESIZE)FXSYS_ftell(m_hFile);
    FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
    return size;
}

예제 #2

파일: fx_ge_fontmap.cpp 프로젝트: kakajika/loilo-pdf

void CFX_FolderFontInfo::ScanFile(CFX_ByteString& path)
{
    FXSYS_FILE* pFile = FXSYS_fopen(path, "rb");
    if (pFile == NULL) {
        return;
    }
    FXSYS_fseek(pFile, 0, FXSYS_SEEK_END);
    FX_DWORD filesize = FXSYS_ftell(pFile);
    FX_BYTE buffer[16];
    FXSYS_fseek(pFile, 0, FXSYS_SEEK_SET);
    size_t readCnt = FXSYS_fread(buffer, 12, 1, pFile);
    if (GET_TT_LONG(buffer) == 0x74746366) {
        FX_DWORD nFaces = GET_TT_LONG(buffer + 8);
        FX_LPBYTE offsets = FX_Alloc(FX_BYTE, nFaces * 4);
        if (!offsets) {
            FXSYS_fclose(pFile);
            return;
        }
        readCnt = FXSYS_fread(offsets, nFaces * 4, 1, pFile);
        for (FX_DWORD i = 0; i < nFaces; i ++) {
            FX_LPBYTE p = offsets + i * 4;
            ReportFace(path, pFile, filesize, GET_TT_LONG(p));
        }
        FX_Free(offsets);
    } else {
        ReportFace(path, pFile, filesize, 0);
    }
    FXSYS_fclose(pFile);
}

예제 #3

파일: fxcrt_platforms.cpp 프로젝트: codemonkey85/pdfium

FX_FILESIZE CFXCRT_FileAccess_CRT::GetPosition() const
{
    if (!m_hFile) {
        return (FX_FILESIZE) - 1;
    }
    return (FX_FILESIZE)FXSYS_ftell(m_hFile);
}

예제 #4

파일: fxcrt_platforms.cpp 프로젝트: codemonkey85/pdfium

FX_FILESIZE CFXCRT_FileAccess_CRT::SetPosition(FX_FILESIZE pos)
{
    if (!m_hFile) {
        return (FX_FILESIZE) - 1;
    }
    FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
    return (FX_FILESIZE)FXSYS_ftell(m_hFile);
}

예제 #5

파일: fx_ge_fontmap.cpp 프로젝트: mariospr/chromium-browser

void CFX_FolderFontInfo::ScanFile(CFX_ByteString& path)
{
    FXSYS_FILE* pFile = FXSYS_fopen(path, "rb");
    if (pFile == NULL) {
        return;
    }
    FXSYS_fseek(pFile, 0, FXSYS_SEEK_END);
    FX_DWORD filesize = FXSYS_ftell(pFile);
    uint8_t buffer[16];
    FXSYS_fseek(pFile, 0, FXSYS_SEEK_SET);
    size_t readCnt = FXSYS_fread(buffer, 12, 1, pFile);
    if (readCnt != 1) {
        FXSYS_fclose(pFile);
        return;
    }

    if (GET_TT_LONG(buffer) == 0x74746366) {
        FX_DWORD nFaces = GET_TT_LONG(buffer + 8);
        if (nFaces > std::numeric_limits<FX_DWORD>::max() / 4) {
            FXSYS_fclose(pFile);
            return;
        }
        FX_DWORD face_bytes = nFaces * 4;
        uint8_t* offsets = FX_Alloc(uint8_t, face_bytes);
        readCnt = FXSYS_fread(offsets, face_bytes, 1, pFile);
        if (readCnt != face_bytes) {
            FX_Free(offsets);
            FXSYS_fclose(pFile);
            return;
        }
        for (FX_DWORD i = 0; i < nFaces; i ++) {
            uint8_t* p = offsets + i * 4;
            ReportFace(path, pFile, filesize, GET_TT_LONG(p));
        }
        FX_Free(offsets);
    } else {
        ReportFace(path, pFile, filesize, 0);
    }
    FXSYS_fclose(pFile);
}