C++ (Cpp) get_in_environ Examples

Example #1

File: environ.c Project: cooljeanius/apple-gdb-1824

void
smuggle_dyld_settings(struct gdb_environ *e)
{
  /* The list of DYLD_* names was gleaned from dyld's src/dyld.cpp: */
  struct dyld_smuggle_pairs env_names[] = {
    { "DYLD_FRAMEWORK_PATH", "GDB_DYLD_FRAMEWORK_PATH" },
    { "DYLD_FALLBACK_FRAMEWORK_PATH", "GDB_DYLD_FALLBACK_FRAMEWORK_PATH" },
    { "DYLD_LIBRARY_PATH", "GDB_DYLD_LIBRARY_PATH" },
    { "DYLD_FALLBACK_LIBRARY_PATH", "GDB_DYLD_FALLBACK_LIBRARY_PATH" },
    { "DYLD_ROOT_PATH", "GDB_DYLD_ROOT_PATH" },
    { "DYLD_PATHS_ROOT", "GDB_DYLD_PATHS_ROOT" },
    { "DYLD_IMAGE_SUFFIX", "GDB_DYLD_IMAGE_SUFFIX" },
    { "DYLD_INSERT_LIBRARIES", "GDB_DYLD_INSERT_LIBRARIES" },
    { NULL, NULL }
  };
  int i;

  for (i = 0; env_names[i].real_name != NULL; i++)
    {
      const char *real_val = get_in_environ(e, env_names[i].real_name);
      const char *smuggled_val = get_in_environ(e, env_names[i].smuggled_name);

      if ((real_val == NULL) && (smuggled_val == NULL))
        continue;

      if (smuggled_val == NULL)
        continue;

      /* Is the value of the DYLD_* env var truncated to ""? */
      if ((real_val != NULL) && (real_val[0] != '\0'))
        continue;

      /* real_val has a value and it looks legitimate - do NOT overwrite it
       * with the smuggled version: */
      if (real_val != NULL)
        continue;

      set_in_environ(e, env_names[i].real_name, smuggled_val);
    }
}

Example #2

void 
_initialize_mi_cmd_env (void)
{
  char *env;

  /* We want original execution path to reset to, if desired later.  */
  env = get_in_environ (inferior_environ, path_var_name);

  /* Can be null if path is not set.  */
  if (!env)
    env = "";
  orig_path = xstrdup (env);
}

Example #3

File: mi-cmd-env.c Project: 3125788/android_toolchain_gdb

void 
_initialize_mi_cmd_env (void)
{
  struct gdb_environ *environment;
  char *env;

  /* We want original execution path to reset to, if desired later.
     At this point, current inferior is not created, so cannot use
     current_inferior ()->environment.  Also, there's no obvious
     place where this code can be moved suchs that it surely run
     before any code possibly mangles original PATH.  */
  environment = make_environ ();
  init_environ (environment);
  env = get_in_environ (environment, path_var_name);

  /* Can be null if path is not set.  */
  if (!env)
    env = "";
  orig_path = xstrdup (env);
}

Example #4

/* Add one or more directories to start of executable search path.  */
enum mi_cmd_result
mi_cmd_env_path (char *command, char **argv, int argc)
{
  char *exec_path;
  char *env;
  int reset = 0;
  int optind = 0;
  int i;
  char *optarg;
  enum opt
    {
      RESET_OPT
    };
  static struct mi_opt opts[] =
  {
    {"r", RESET_OPT, 0},
    0
  };

  dont_repeat ();

  if (mi_version (uiout) < 2)
    {
      for (i = argc - 1; i >= 0; --i)
	env_execute_cli_command ("path", argv[i]);
      return MI_CMD_DONE;
    }

  /* Otherwise the mi level is 2 or higher.  */
  while (1)
    {
      int opt = mi_getopt ("mi_cmd_env_path", argc, argv, opts,
                           &optind, &optarg);
      if (opt < 0)
        break;
      switch ((enum opt) opt)
        {
        case RESET_OPT:
          reset = 1;
          break;
        }
    }
  argv += optind;
  argc -= optind;


  if (reset)
    {
      /* Reset implies resetting to original path first.  */
      exec_path = xstrdup (orig_path);
    }
  else
    {
      /* Otherwise, get current path to modify.  */
      env = get_in_environ (inferior_environ, path_var_name);

      /* Can be null if path is not set.  */
      if (!env)
        env = "";
      exec_path = xstrdup (env);
    }

  for (i = argc - 1; i >= 0; --i)
    env_mod_path (argv[i], &exec_path);

  set_in_environ (inferior_environ, path_var_name, exec_path);
  xfree (exec_path);
  env = get_in_environ (inferior_environ, path_var_name);
  ui_out_field_string (uiout, "path", env);

  return MI_CMD_DONE;
}