Method getApplicationRootDirectory

Libraries/FileSystem/FileSystem.cpp:1403–1430

}

SC::StringSpan SC::FileSystem::Operations::getApplicationRootDirectory(StringPath& applicationRootDirectory)
{
    StringSpan exeView = getExecutablePath(applicationRootDirectory);
    if (exeView.isEmpty())
        return {};
    // Find the last path separator (either '\\' or '/')
    ssize_t      lastSeparator = -1;
    wchar_t*     buffer        = applicationRootDirectory.writableSpan().data();
    const size_t bufferLength  = applicationRootDirectory.view().sizeInBytes() / sizeof(wchar_t);
    for (size_t i = 0; i < bufferLength; ++i)
    {
        if (buffer[i] == L'\\' || buffer[i] == L'/')
            lastSeparator = static_cast<ssize_t>(i);
    }
    if (lastSeparator < 0)
    {
        // No separator found, return empty
        (void)applicationRootDirectory.resize(0);
        ::memset(buffer, 0, StringPath::StorageCapacity * sizeof(wchar_t));
        return {};
    }
    const size_t copyLen = static_cast<size_t>(lastSeparator);
    buffer[copyLen]      = 0;
    (void)applicationRootDirectory.resize(copyLen);
    // null terminate the path
    ::memset(buffer + copyLen + 1, 0, (StringPath::StorageCapacity - copyLen - 1) * sizeof(wchar_t));
    return applicationRootDirectory.view();
}
#else

#include <dirent.h>   // DIR, opendir, readdir, closedir