public bool TryPutString(string str, TarHeader.HeaderField field)
{
if (str == null)
{
PutNul(field);
return(true);
}
if (TarCommon.IsASCII(str))
{
if (str.Length <= field.Length)
{
for (int i = 0; i < str.Length; i++)
{
this[field.Offset + i] = (byte)str[i];
}
PutNul(field.Offset + str.Length, field.Length - str.Length);
return(true);
}
}
if (field.PaxAttribute != null && PaxAttributes != null)
{
PaxAttributes[field.PaxAttribute] = str;
}
PutNul(field);
return(false);
}
// Tries to split a path at a '/' character so that the two pieces will fit into
// the prefix and name fields.
private static bool TrySplitPath(string path, out int splitIndex)
{
splitIndex = -1;
if (!TarCommon.IsASCII(path))
{
return(false);
}
for (int i = 0; i < path.Length; i++)
{
if (path[i] == '/')
{
if (i < TarHeader.Prefix.Length && path.Length - i - 1 < TarHeader.Name.Length)
{
splitIndex = i;
return(true);
}
}
}
return(false);
}
