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添加更多考古注释内容 #170

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Merged
kkwpsv merged 3 commits into from
Jun 23, 2025
Merged

添加更多考古注释内容 #170

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1bbd290
添加更多考古注释内容
lindexi Jun 20, 2025
964acb3
更新文档内容
lindexi Jun 23, 2025
fd65286
Revert "更新文档内容"
lindexi Jun 23, 2025
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11 changes: 7 additions & 4 deletions DebUOS/Packaging.Targets/IO/TarHeader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -68,9 +68,11 @@ internal unsafe struct TarHeader : IArchiveHeader
public string FileName
{
get => this.GetString(this.name, 100);
set => this.name = this.CreateString(value, 100);
set => this.name = this.CreateString(value, 100, reason: TarLimitReason);
}

private const string TarLimitReason = "From http://ibgwww.colorado.edu/~lessem/psyc5112/usail/man/solaris/tar.1.html , The file name (or leaf) length cannot exceed 100 characters. It is the limit of tar.";

public LinuxFileMode FileMode
{
get => (LinuxFileMode)Convert.ToUInt32(this.GetString(this.mode, 8), 8);
Expand Down Expand Up @@ -124,7 +126,7 @@ public TarTypeFlag TypeFlag
public string LinkName
{
get => this.GetString(this.linkname, 100);
set => this.linkname = this.CreateString(value, 100);
set => this.linkname = this.CreateString(value, 100, TarLimitReason);
}

public string Magic
Expand Down Expand Up @@ -242,7 +244,8 @@ private byte[] GetUIntTo8(uint? data, int len = 8)
return this.CreateString(Convert.ToString(data.Value, 8).PadLeft(len - 1, '0'), len);
}

private byte[] CreateString(string s, int len)
#nullable enable
private byte[] CreateString(string? s, int len, string? reason = null)
{
var target = new byte[len];
if (s == null)
Expand All @@ -253,7 +256,7 @@ private byte[] CreateString(string s, int len)
var buffer = Encoding.UTF8.GetBytes(s);
if (buffer.Length > len)
{
throw new Exception($"String {s} exceeds the limit of {len}");
throw new Exception($"String {s} exceeds the limit of {len}.{reason}");
}

for (var c = 0; c < len; c++)
Expand Down
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