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/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "test_common.hpp"
#include "fud_string.hpp"
#include <cstdlib>
#include <ftw.h>
#include <gtest/gtest.h>
namespace fud {
std::byte* MockFudAlloc::operator()(size_t size)
{
// NOLINTNEXTLINE(cppcoreguidelines-no-malloc)
return static_cast<std::byte*>(malloc(size));
}
void MockFudDealloc::operator()(std::byte* pointer)
{
// NOLINTNEXTLINE(cppcoreguidelines-no-malloc)
free(pointer);
}
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
MockFudAlloc globalDefaultMockAlloc{};
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
MockFudDealloc globalDefaultMockDealloc{};
// NOLINTNEXTLINE(readability-make-member-function-const)
std::byte* MockFudAllocator::allocate(size_t size)
{
return (*m_allocator)(size);
}
// NOLINTNEXTLINE(readability-make-member-function-const)
void MockFudAllocator::deallocate(std::byte* pointer)
{
(*m_deallocator)(pointer);
}
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
MockFudAllocator globalMockFudAlloc{};
std::byte* fudAlloc(size_t size)
{
return globalMockFudAlloc.allocate(size);
}
void fudFree(std::byte* ptr)
{
globalMockFudAlloc.deallocate(ptr);
}
int unlink_cb(const char* fpath, const struct stat* sb_unused, int typeflag, struct FTW* ftwbuf)
{
static_cast<void>(sb_unused);
int retValue = remove(fpath);
EXPECT_EQ(retValue, 0);
if (retValue != 0) {
perror(fpath);
}
return retValue;
}
FudStatus removeRecursive(StringView path)
{
if (!path.utf8Valid()) {
return FudStatus::Utf8Invalid;
}
constexpr const size_t minPathLength = 5;
if (path.length() < minPathLength) {
return FudStatus::ArgumentInvalid;
}
if (not path.nullTerminated()) {
return FudStatus::StringInvalid;
}
auto prefix{String::makeFromCString("/tmp/").takeOkay()};
auto diffResult = compareMem(path.data(), path.length(), prefix.data(), prefix.length());
if (diffResult.isError()) {
return FudStatus::ArgumentInvalid;
}
auto diff = diffResult.getOkay();
if (diff != 0) {
return FudStatus::ArgumentInvalid;
}
constexpr int maxOpenFd = 64;
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
auto status = nftw(reinterpret_cast<const char*>(path.data()), unlink_cb, maxOpenFd, FTW_DEPTH | FTW_PHYS);
if (status == 0) {
return FudStatus::Success;
}
if (errno == ENOENT) {
return FudStatus::Success;
}
return FudStatus::Failure;
}
auto rmFile(StringView filename) -> int
{
auto result = unlink(filename.c_str());
if (result == -1) {
if (errno == ENOENT) {
return 0;
}
}
return result;
}
} // namespace fud
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