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// Copyright 2017 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <fstream>
#include <cassert>
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
void touch(const std::string& fileName)
{
std::ofstream f(fileName, std::ios_base::out);
assert(f.good());
}
void doTest(const std::string& uniqueDirName, const std::string& fileName)
{
printf("test in %s: %s\n", uniqueDirName.c_str(), fileName.c_str());
auto ret = mkdir(uniqueDirName.c_str(), 0777);
assert(ret == 0);
touch(uniqueDirName + "/" + fileName);
auto fd = open(uniqueDirName.c_str(), O_RDONLY | O_DIRECTORY);
assert(fd > 0);
for (;;)
{
dirent d;
auto nread = getdents(fd, &d, sizeof(d));
assert(nread != -1);
if (nread == 0)
{
break;
}
if (strcmp(d.d_name, ".") == 0 || strcmp(d.d_name, "..") == 0)
{
continue;
}
printf("d.d_name = %s\n", d.d_name);
// If it needed to be, the name was truncated.
assert(strlen(d.d_name) <= 255);
}
}
int main()
{
// Non-ascii file name.
doTest("test_dir", u8"абвгд");
#ifndef WASMFS // The JS FS truncates filenames automatically, which is incorrect. Wasmfs and Linux do not.
// File name exceeds the limit of 255 chars and is truncated.
doTest("test_dir2", std::string(300, '1'));
#endif
}
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