From ae18d8c4b6f7f918aa5ec496ca32899793cbe41e Mon Sep 17 00:00:00 2001 From: Simon Howard Date: Fri, 21 Nov 2008 18:03:06 +0000 Subject: Move setup/ into src/ and merge with main codebase. Remove duplicated code. Split out I_Endoom to separate i_endoom.c file. Subversion-branch: /branches/raven-branch Subversion-revision: 1384 --- src/setup/execute.c | 290 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 290 insertions(+) create mode 100644 src/setup/execute.c (limited to 'src/setup/execute.c') diff --git a/src/setup/execute.c b/src/setup/execute.c new file mode 100644 index 00000000..9846cd20 --- /dev/null +++ b/src/setup/execute.c @@ -0,0 +1,290 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 2006 Simon Howard +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program 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 General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// + +// Code for invoking Doom + +#include +#include +#include +#include + +#include + +#ifndef _WIN32 + #include + #include +#else + #include +#endif + +#include "textscreen.h" + +#include "config.h" +#include "execute.h" +#include "m_argv.h" +#include "m_config.h" + +#ifdef _WIN32 +#define DOOM_BINARY PACKAGE_TARNAME ".exe" +#else +#define DOOM_BINARY INSTALL_DIR "/" PACKAGE_TARNAME +#endif + +#ifdef _WIN32 +#define DIR_SEPARATOR '\\' +#define PATH_SEPARATOR ';' +#else +#define DIR_SEPARATOR '/' +#define PATH_SEPARATOR ':' +#endif + +struct execute_context_s +{ + char *response_file; + FILE *stream; +}; + +// Returns the path to a temporary file of the given name, stored +// inside the system temporary directory. + +static char *TempFile(char *s) +{ + char *result; + char *tempdir; + +#ifdef _WIN32 + + // Check the TEMP environment variable to find the location. + + tempdir = getenv("TEMP"); + + if (tempdir == NULL) + { + tempdir = "."; + } +#else + // In Unix, just use /tmp. + + tempdir = "/tmp"; +#endif + + result = malloc(strlen(tempdir) + strlen(s) + 2); + sprintf(result, "%s%c%s", tempdir, DIR_SEPARATOR, s); + + return result; +} + +execute_context_t *NewExecuteContext(void) +{ + execute_context_t *result; + + result = malloc(sizeof(execute_context_t)); + + result->response_file = TempFile("chocolat.rsp"); + result->stream = fopen(result->response_file, "w"); + + if (result->stream == NULL) + { + fprintf(stderr, "Error opening response file\n"); + exit(-1); + } + + return result; +} + +void AddConfigParameters(execute_context_t *context) +{ + int p; + + p = M_CheckParm("-config"); + + if (p > 0) + { + AddCmdLineParameter(context, "-config \"%s\"", myargv[p + 1]); + } + + p = M_CheckParm("-extraconfig"); + + if (p > 0) + { + AddCmdLineParameter(context, "-extraconfig \"%s\"", myargv[p + 1]); + } +} + +void AddCmdLineParameter(execute_context_t *context, char *s, ...) +{ + va_list args; + + va_start(args, s); + + vfprintf(context->stream, s, args); + fprintf(context->stream, "\n"); +} + +#ifdef _WIN32 + +static int ExecuteCommand(const char **argv) +{ + return _spawnv(_P_WAIT, argv[0], argv); +} + +#else + +static int ExecuteCommand(const char **argv) +{ + pid_t childpid; + int result; + + childpid = fork(); + + if (childpid == 0) + { + // This is the child. Execute the command. + + execv(argv[0], (char **) argv); + + exit(-1); + } + else + { + // This is the parent. Wait for the child to finish, and return + // the status code. + + waitpid(childpid, &result, 0); + + if (WIFEXITED(result)) + { + return WEXITSTATUS(result); + } + else + { + return -1; + } + } +} + +#endif + +int ExecuteDoom(execute_context_t *context) +{ + const char *argv[3]; + char *response_file_arg; + int result; + + fclose(context->stream); + + // Build the command line + + response_file_arg = malloc(strlen(context->response_file) + 2); + sprintf(response_file_arg, "@%s", context->response_file); + + argv[0] = DOOM_BINARY; + argv[1] = response_file_arg; + argv[2] = NULL; + + // Run Doom + + result = ExecuteCommand(argv); + + free(response_file_arg); + + // Destroy context + remove(context->response_file); + free(context->response_file); + free(context); + + return result; +} + +static void TestCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(data)) +{ + execute_context_t *exec; + char *main_cfg; + char *extra_cfg; + txt_window_t *testwindow; + txt_label_t *label; + + testwindow = TXT_NewWindow("Starting Doom"); + + label = TXT_NewLabel("Starting Doom to test the\n" + "settings. Please wait."); + TXT_SetWidgetAlign(label, TXT_HORIZ_CENTER); + TXT_AddWidget(testwindow, label); + TXT_DrawDesktop(); + + // Save temporary configuration files with the current configuration + + main_cfg = TempFile("tmp.cfg"); + extra_cfg = TempFile("extratmp.cfg"); + + M_SaveDefaultsAlternate(main_cfg, extra_cfg); + + // Run with the -testcontrols parameter + + exec = NewExecuteContext(); + AddCmdLineParameter(exec, "-testcontrols"); + AddCmdLineParameter(exec, "-config %s", main_cfg); + AddCmdLineParameter(exec, "-extraconfig %s", extra_cfg); + ExecuteDoom(exec); + + TXT_CloseWindow(testwindow); + + // Delete the temporary config files + + remove(main_cfg); + remove(extra_cfg); + free(main_cfg); + free(extra_cfg); +} + +txt_window_action_t *TestConfigAction(void) +{ + txt_window_action_t *test_action; + + test_action = TXT_NewWindowAction('t', "Test"); + TXT_SignalConnect(test_action, "pressed", TestCallback, NULL); + + return test_action; +} + +// Invokes Doom to find which IWADs are installed. +// This is a cheap hack to avoid duplication of the complicated install +// path searching code inside Doom. + +int FindInstalledIWADs(void) +{ + execute_context_t *context; + int result; + + context = NewExecuteContext(); + AddCmdLineParameter(context, "-findiwads"); + result = ExecuteDoom(context); + + if (result < 0) + { + return 0; + } + else + { + return result; + } +} + -- cgit v1.2.3