/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to

 * deal in the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#include "uv.h"

#include "task.h"

#include <string.h>

static void set_title(const char* title) {

  char buffer[512];

  int err;

  err = uv_get_process_title(buffer, sizeof(buffer));

  ASSERT(err == 0);

  err = uv_set_process_title(title);

  ASSERT(err == 0);

  err = uv_get_process_title(buffer, sizeof(buffer));

  ASSERT(err == 0);

  ASSERT(strcmp(buffer, title) == 0);

}

static void uv_get_process_title_edge_cases(void) {

  char buffer[512];

  int r;

  /* Test a NULL buffer */

  r = uv_get_process_title(NULL, 100);

  ASSERT(r == UV_EINVAL);

  /* Test size of zero */

  r = uv_get_process_title(buffer, 0);

  ASSERT(r == UV_EINVAL);

  /* Test for insufficient buffer size */

  r = uv_get_process_title(buffer, 1);

  ASSERT(r == UV_ENOBUFS);

}

TEST_IMPL(process_title) {

#if defined(__sun) || defined(__CYGWIN__) || defined(__MSYS__) || \

    defined(__PASE__)

  RETURN_SKIP("uv_(get|set)_process_title is not implemented.");

#endif

  /* Check for format string vulnerabilities. */

  set_title("%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s");

  set_title("new title");

  /* Check uv_get_process_title() edge cases */

  uv_get_process_title_edge_cases();

  return 0;

}

static void exit_cb(uv_process_t* process, int64_t status, int signo) {

  ASSERT(status == 0);

  ASSERT(signo == 0);

  uv_close((uv_handle_t*) process, NULL);

}

TEST_IMPL(process_title_big_argv) {

  uv_process_options_t options;

  uv_process_t process;

  size_t exepath_size;

  char exepath[1024];

  char jumbo[512];

  char* args[5];

#ifdef _WIN32

  /* Remove once https://github.com/libuv/libuv/issues/2667 is fixed. */

  uv_set_process_title("run-tests");

#endif

  exepath_size = sizeof(exepath) - 1;

  ASSERT(0 == uv_exepath(exepath, &exepath_size));

  exepath[exepath_size] = '\0';

  memset(jumbo, 'x', sizeof(jumbo) - 1);

  jumbo[sizeof(jumbo) - 1] = '\0';

  /* Note: need to pass three arguments, not two, otherwise

   * run-tests.c thinks it's the name of a test to run.

   */

  args[0] = exepath;

  args[1] = "process_title_big_argv_helper";

  args[2] = jumbo;

  args[3] = jumbo;

  args[4] = NULL;

  memset(&options, 0, sizeof(options));

  options.file = exepath;

  options.args = args;

  options.exit_cb = exit_cb;

  ASSERT(0 == uv_spawn(uv_default_loop(), &process, &options));

  ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));

  MAKE_VALGRIND_HAPPY();

  return 0;

}

/* Called by process_title_big_argv_helper. */

void process_title_big_argv(void) {

  char buf[256] = "fail";

  /* Return value deliberately ignored. */

  uv_get_process_title(buf, sizeof(buf));

  ASSERT(0 != strcmp(buf, "fail"));

}