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<base href="https://bugs.llvm.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - doesn't work std::filesystem::directory_options::follow_directory_symlink"
href="https://bugs.llvm.org/show_bug.cgi?id=38837">38837</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>doesn't work std::filesystem::directory_options::follow_directory_symlink
</td>
</tr>
<tr>
<th>Product</th>
<td>libc++
</td>
</tr>
<tr>
<th>Version</th>
<td>7.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>faithandbrave@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>#include <iostream>
#include <filesystem>
#include <fstream>
namespace fs = std::filesystem;
int main()
{
fs::create_directory("dir_a");
std::ofstream{"dir_a/a.txt"};
fs::create_directory("dir_b");
std::ofstream{"dir_b/b.txt"};
fs::create_directory_symlink("dir_a", "dir_b/dir_a");
for (const fs::directory_entry& x : fs::recursive_directory_iterator(
"dir_b",
fs::directory_options::follow_directory_symlink)) {
std::cout << x.path() << std::endl;
}
}
expected result:
"dir_b/b.txt"
"dir_b/dir_a"
"dir_b/dir_a/a.txt"
actual result:
"dir_b/b.txt"
"dir_b/dir_a"
terminating with uncaught exception of type
std::__1::__fs::filesystem::filesystem_error: filesystem error: in
recursive_directory_iterator::operator++(): attempting recursion into
"dir_b/dir_a": Too many levels of symbolic links</pre>
</div>
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