[libc-commits] [libc] [libc] Add getpwent, setpwent, and endpwent entrypoints (PR #213076)

[Alexey Samsonov via libc-commits]

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@@ -0,0 +1,152 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Unit tests for getpwent, setpwent, and endpwent.
+///
+//===----------------------------------------------------------------------===//
+
+#include "hdr/types/struct_passwd.h"
+#include "src/__support/File/file.h"
+#include "src/__support/libc_errno.h"
+#include "src/pwd/endpwent.h"
+#include "src/pwd/getpwent.h"
+#include "src/pwd/pwd_utils.h"
+#include "src/pwd/setpwent.h"
+#include "src/stdio/remove.h"
+#include "test/UnitTest/Test.h"
+
+namespace {
+
+// RAII helper class for creating and automatically removing temporary test
+// files.
+class HermeticFile {
+  char path[256];
+
+public:
+  HermeticFile(const char *file_path, const char *content) {
+    size_t i = 0;
+    for (; file_path[i] && i < sizeof(path) - 1; ++i)
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vonosmas wrote:

Why are we not using LIBC_NAMESPACE::strncpy and LIBC_NAMESPACE::strlen here?

https://github.com/llvm/llvm-project/pull/213076