text: /* 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"));
  }
  