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-rw-r--r--setup/execute.c437
1 files changed, 0 insertions, 437 deletions
diff --git a/setup/execute.c b/setup/execute.c
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--- a/setup/execute.c
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-// 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 <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sys/types.h>
-
-#if defined(_WIN32_WCE)
-#include "libc_wince.h"
-#endif
-
-#ifdef _WIN32
-
-#define WIN32_LEAN_AND_MEAN
-#include <windows.h>
-#include <process.h>
-
-#else
-
-#include <sys/wait.h>
-#include <unistd.h>
-
-#endif
-
-#include "textscreen.h"
-
-#include "config.h"
-#include "configfile.h"
-#include "execute.h"
-#include "m_argv.h"
-
-#ifdef _WIN32
-#define DOOM_BINARY PACKAGE_TARNAME ".exe"
-#else
-#define DOOM_BINARY 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");
-}
-
-#if defined(_WIN32)
-
-// Wait for the specified process to exit. Returns the exit code.
-
-static unsigned int WaitForProcessExit(HANDLE subprocess)
-{
- DWORD exit_code;
-
- for (;;)
- {
- WaitForSingleObject(subprocess, INFINITE);
-
- if (!GetExitCodeProcess(subprocess, &exit_code))
- {
- return -1;
- }
-
- if (exit_code != STILL_ACTIVE)
- {
- return exit_code;
- }
- }
-}
-
-static void ConcatWCString(wchar_t *buf, const char *value)
-{
- MultiByteToWideChar(CP_OEMCP, 0,
- value, strlen(value) + 1,
- buf + wcslen(buf), strlen(value) + 1);
-}
-
-// Build the command line string, a wide character string of the form:
-//
-// "program" "arg"
-
-static wchar_t *BuildCommandLine(const char *program, const char *arg)
-{
- wchar_t exe_path[MAX_PATH];
- wchar_t *result;
- wchar_t *sep;
-
- // Get the path to this .exe file.
-
- GetModuleFileNameW(NULL, exe_path, MAX_PATH);
-
- // Allocate buffer to contain result string.
-
- result = calloc(wcslen(exe_path) + strlen(program) + strlen(arg) + 6,
- sizeof(wchar_t));
-
- wcscpy(result, L"\"");
-
- // Copy the path part of the filename (including ending \)
- // into the result buffer:
-
- sep = wcsrchr(exe_path, DIR_SEPARATOR);
-
- if (sep != NULL)
- {
- wcsncpy(result + 1, exe_path, sep - exe_path + 1);
- result[sep - exe_path + 2] = '\0';
- }
-
- // Concatenate the name of the program:
-
- ConcatWCString(result, program);
-
- // End of program name, start of argument:
-
- wcscat(result, L"\" \"");
-
- ConcatWCString(result, arg);
-
- wcscat(result, L"\"");
-
- return result;
-}
-
-static int ExecuteCommand(const char *program, const char *arg)
-{
- STARTUPINFOW startup_info;
- PROCESS_INFORMATION proc_info;
- wchar_t *command;
- int result = 0;
-
- command = BuildCommandLine(program, arg);
-
- // Invoke the program:
-
- memset(&proc_info, 0, sizeof(proc_info));
- memset(&startup_info, 0, sizeof(startup_info));
- startup_info.cb = sizeof(startup_info);
-
- if (!CreateProcessW(NULL, command,
- NULL, NULL, FALSE, 0, NULL, NULL,
- &startup_info, &proc_info))
- {
- result = -1;
- }
- else
- {
- // Wait for the process to finish, and save the exit code.
-
- result = WaitForProcessExit(proc_info.hProcess);
-
- CloseHandle(proc_info.hProcess);
- CloseHandle(proc_info.hThread);
- }
-
- free(command);
-
- return result;
-}
-
-#else
-
-// Given the specified program name, get the full path to the program,
-// assuming that it is in the same directory as this program is.
-
-static char *GetFullExePath(const char *program)
-{
- char *result;
- char *sep;
- unsigned int path_len;
-
- sep = strrchr(myargv[0], DIR_SEPARATOR);
-
- if (sep == NULL)
- {
- result = strdup(program);
- }
- else
- {
- path_len = sep - myargv[0] + 1;
-
- result = malloc(strlen(program) + path_len + 1);
-
- strncpy(result, myargv[0], path_len);
- result[path_len] = '\0';
-
- strcat(result, program);
- }
-
- return result;
-}
-
-static int ExecuteCommand(const char *program, const char *arg)
-{
- pid_t childpid;
- int result;
- const char *argv[3];
-
- childpid = fork();
-
- if (childpid == 0)
- {
- // This is the child. Execute the command.
-
- argv[0] = GetFullExePath(program);
- argv[1] = arg;
- argv[2] = NULL;
-
- execvp(argv[0], (char **) argv);
-
- exit(0x80);
- }
- else
- {
- // This is the parent. Wait for the child to finish, and return
- // the status code.
-
- waitpid(childpid, &result, 0);
-
- if (WIFEXITED(result) && WEXITSTATUS(result) != 0x80)
- {
- return WEXITSTATUS(result);
- }
- else
- {
- return -1;
- }
- }
-}
-
-#endif
-
-int ExecuteDoom(execute_context_t *context)
-{
- 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);
-
- // Run Doom
-
- result = ExecuteCommand(DOOM_BINARY, response_file_arg);
-
- 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_SaveMainDefaults(main_cfg);
- M_SaveExtraDefaults(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;
- }
-}
-
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