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/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <glib.h>
#include <glib/gstdio.h>
#ifdef G_OS_WIN32
#include <fcntl.h>
#include <io.h>
#define pipe(fds) _pipe(fds, 4096, _O_BINARY)
#endif
#ifdef G_OS_WIN32
static gchar *dirname = NULL;
#endif
static void
test_spawn_basics (void)
{
gboolean result;
GError *err = NULL;
gchar *output = NULL;
gchar *erroutput = NULL;
#ifdef G_OS_WIN32
int n;
char buf[100];
int pipedown[2], pipeup[2];
gchar **argv = NULL;
gchar spawn_binary[1000] = {0};
gchar full_cmdline[1000] = {0};
g_snprintf (spawn_binary, sizeof (spawn_binary),
"%s\\spawn-test-win32-gui.exe", dirname);
g_free (dirname);
#endif
err = NULL;
result =
g_spawn_command_line_sync ("nonexistent_application foo 'bar baz' blah blah",
NULL, NULL, NULL, &err);
g_assert_false (result);
g_assert_error (err, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT);
g_clear_error (&err);
err = NULL;
result =
g_spawn_command_line_async ("nonexistent_application foo bar baz \"blah blah\"",
&err);
g_assert_false (result);
g_assert_error (err, G_SPAWN_ERROR, G_SPAWN_ERROR_NOENT);
g_clear_error (&err);
err = NULL;
#ifdef G_OS_UNIX
result = g_spawn_command_line_sync ("/bin/sh -c 'echo hello'",
&output, NULL, NULL, &err);
g_assert_no_error (err);
g_assert_true (result);
g_assert_cmpstr (output, ==, "hello\n");
g_free (output);
output = NULL;
#endif
/* Running sort synchronously, collecting its output. 'sort' command
* is selected because it is non-builtin command on both unix and
* win32 with well-defined stdout behaviour.
*/
g_file_set_contents ("spawn-test-created-file.txt",
"line first\nline 2\nline last\n", -1, &err);
g_assert_no_error(err);
result = g_spawn_command_line_sync ("sort spawn-test-created-file.txt",
&output, &erroutput, NULL, &err);
g_assert_no_error (err);
g_assert_true (result);
g_assert_cmpstr (output, ==, "line 2\nline first\nline last\n");
g_assert_cmpstr (erroutput, ==, "");
g_free (output);
output = NULL;
g_free (erroutput);
erroutput = NULL;
result = g_spawn_command_line_sync ("sort non-existing-file.txt",
NULL, &erroutput, NULL, &err);
g_assert_no_error (err);
g_assert_true (result);
g_assert_true (g_str_has_prefix (erroutput, "sort: "));
g_assert_nonnull (strstr (erroutput, "No such file or directory"));
g_free (erroutput);
erroutput = NULL;
g_unlink ("spawn-test-created-file.txt");
#ifdef G_OS_WIN32
g_test_message ("Running spawn-test-win32-gui in various ways.");
g_test_message ("First asynchronously (without wait).");
g_snprintf (full_cmdline, sizeof (full_cmdline), "'%s' 1", spawn_binary);
result = g_spawn_command_line_async (full_cmdline, &err);
g_assert_no_error (err);
g_assert_true (result);
g_test_message ("Now synchronously, collecting its output.");
g_snprintf (full_cmdline, sizeof (full_cmdline), "'%s' 2", spawn_binary);
result =
g_spawn_command_line_sync (full_cmdline, &output, &erroutput, NULL, &err);
g_assert_no_error (err);
g_assert_true (result);
g_assert_cmpstr (output, ==, "This is stdout\r\n");
g_assert_cmpstr (erroutput, ==, "This is stderr\r\n");
g_free (output);
output = NULL;
g_free (erroutput);
erroutput = NULL;
g_test_message ("Now with G_SPAWN_FILE_AND_ARGV_ZERO.");
g_snprintf (full_cmdline, sizeof (full_cmdline),
"'%s' this-should-be-argv-zero print_argv0", spawn_binary);
result = g_shell_parse_argv (full_cmdline, NULL, &argv, &err);
g_assert_no_error (err);
g_assert_true (result);
result = g_spawn_sync (NULL, argv, NULL, G_SPAWN_FILE_AND_ARGV_ZERO,
NULL, NULL, &output, NULL, NULL, &err);
g_assert_no_error (err);
g_assert_true (result);
g_assert_cmpstr (output, ==, "this-should-be-argv-zero");
g_free (output);
output = NULL;
g_free (argv);
argv = NULL;
g_test_message ("Now talking to it through pipes.");
g_assert_cmpint (pipe (pipedown), >=, 0);
g_assert_cmpint (pipe (pipeup), >=, 0);
g_snprintf (full_cmdline, sizeof (full_cmdline), "'%s' pipes %d %d",
spawn_binary, pipedown[0], pipeup[1]);
result = g_shell_parse_argv (full_cmdline, NULL, &argv, &err);
g_assert_no_error (err);
g_assert_true (result);
result = g_spawn_async (NULL, argv, NULL,
G_SPAWN_LEAVE_DESCRIPTORS_OPEN |
G_SPAWN_DO_NOT_REAP_CHILD,
NULL, NULL, NULL,
&err);
g_assert_no_error (err);
g_assert_true (result);
g_free (argv);
argv = NULL;
g_assert_cmpint (read (pipeup[0], &n, sizeof (n)), ==, sizeof (n));
g_assert_cmpint (read (pipeup[0], buf, n), ==, n);
n = strlen ("Bye then");
g_assert_cmpint (write (pipedown[1], &n, sizeof (n)), !=, -1);
g_assert_cmpint (write (pipedown[1], "Bye then", n), !=, -1);
g_assert_cmpint (read (pipeup[0], &n, sizeof (n)), ==, sizeof (n));
g_assert_cmpint (n, ==, strlen ("See ya"));
g_assert_cmpint (read (pipeup[0], buf, n), ==, n);
buf[n] = '\0';
g_assert_cmpstr (buf, ==, "See ya");
#endif
}
int
main (int argc,
char *argv[])
{
#ifdef G_OS_WIN32
dirname = g_path_get_dirname (argv[0]);
#endif
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/spawn/basics", test_spawn_basics);
return g_test_run ();
}
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