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Diffstat (limited to 'setup/execute.c')
| -rw-r--r-- | setup/execute.c | 454 |
1 files changed, 0 insertions, 454 deletions
diff --git a/setup/execute.c b/setup/execute.c deleted file mode 100644 index 69442b5d..00000000 --- a/setup/execute.c +++ /dev/null @@ -1,454 +0,0 @@ -// 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; -} - -static int ArgumentNeedsEscape(char *arg) -{ - char *p; - - for (p = arg; *p != '\0'; ++p) - { - if (isspace(*p)) - { - return 1; - } - } - - return 0; -} - -// Arguments passed to the setup tool should be passed through to the -// game when launching a game. Calling this adds all arguments from -// myargv to the output context. - -void PassThroughArguments(execute_context_t *context) -{ - int i; - - for (i = 1; i < myargc; ++i) - { - if (ArgumentNeedsEscape(myargv[i])) - { - AddCmdLineParameter(context, "\"%s\"", myargv[i]); - } - else - { - AddCmdLineParameter(context, "%s", myargv[i]); - } - } -} - -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 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; - } -} - |