file_util.cc | Explore in Territory

/* Copyright (c) 2023, Google Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

#include "file_util.h"

#include <stdlib.h>

#if defined(OPENSSL_WINDOWS)
OPENSSL_MSVC_PRAGMA(warning(push, 3))
#include <windows.h>
OPENSSL_MSVC_PRAGMA(warning(pop))
#else
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#endif

#include <openssl/rand.h>

#include "test_util.h"


BSSL_NAMESPACE_BEGIN

#if defined(OPENSSL_WINDOWS)
static void PrintLastError(const char *s) {
  DWORD error = GetLastError();
  char *buffer;
  DWORD len = FormatMessageA(
      FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, 0, error, 0,
      reinterpret_cast<char *>(&buffer), 0, nullptr);
  std::string msg = "unknown error";
  if (len > 0) {
    msg.assign(buffer, len);
    while (!msg.empty() && (msg.back() == '\r' || msg.back() == '\n')) {
      msg.resize(msg.size() - 1);
    }
  }
  LocalFree(buffer);
  fprintf(stderr, "%s: %s (0x%lx)\n", s, msg.c_str(), error);
}
#endif  // OPENSSL_WINDOWS

// GetTempDir returns the path to the temporary directory, or the empty string
// on error. On success, the result will include the directory separator.
static std::string GetTempDir() { … }

bool SkipTempFileTests() { … }

TemporaryFile::~TemporaryFile() { … }

bool TemporaryFile::Init(bssl::Span<const uint8_t> content) { … }

ScopedFILE TemporaryFile::Open(const char *mode) const { … }

ScopedFD TemporaryFile::OpenFD(int flags) const { … }

TemporaryDirectory::~TemporaryDirectory() { … }

bool TemporaryDirectory::Init() { … }

bool TemporaryDirectory::AddFile(const std::string &filename,
                                 bssl::Span<const uint8_t> content) { … }

BSSL_NAMESPACE_END
chromium/third_party/boringssl/src/crypto/test/file_util.cc
