ref: 0d531f6108e585d6ea718d8ea4aef9a7aa5b9c72
dir: /pkg/osx/Execute.m/
/* ... */ //----------------------------------------------------------------------------- // // Copyright(C) 2009 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. // //----------------------------------------------------------------------------- #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/wait.h> #include <AppKit/AppKit.h> #include "config.h" #define RESPONSE_FILE "/tmp/launcher.rsp" #define TEMP_SCRIPT "/tmp/tempscript.sh" static char *executable_path; // Called on startup to save the location of the launcher program // (within a package, other executables should be in the same directory) void SetProgramLocation(const char *path) { char *p; executable_path = strdup(path); p = strrchr(executable_path, '/'); *p = '\0'; } // Write out the response file containing command line arguments. static void WriteResponseFile(const char *iwad, const char *args) { FILE *fstream; fstream = fopen(RESPONSE_FILE, "w"); if (iwad != NULL) { fprintf(fstream, "-iwad \"%s\"", iwad); } if (args != NULL) { fprintf(fstream, "%s", args); } fclose(fstream); } static void DoExec(const char *executable, const char *iwad, const char *args) { char *argv[3]; argv[0] = malloc(strlen(executable_path) + strlen(executable) + 3); sprintf(argv[0], "%s/%s", executable_path, executable); if (iwad != NULL || args != NULL) { WriteResponseFile(iwad, args); argv[1] = "@" RESPONSE_FILE; argv[2] = NULL; } else { argv[1] = NULL; } execv(argv[0], argv); exit(-1); } // Execute the specified executable contained in the same directory // as the launcher, with the specified arguments. void ExecuteProgram(const char *executable, const char *iwad, const char *args) { pid_t childpid; char *homedir; childpid = fork(); if (childpid == 0) { signal(SIGCHLD, SIG_DFL); // Change directory to home dir before launch, so that any demos // are saved somewhere sensible. homedir = getenv("HOME"); if (homedir != NULL) { chdir(homedir); } DoExec(executable, iwad, args); } else { signal(SIGCHLD, SIG_IGN); } } // Write a sequence of commands that will display the specified message // via shell commands. static void WriteMessage(FILE *script, char *msg) { char *p; fprintf(script, "echo \""); for (p=msg; *p != '\0'; ++p) { // Start new line? if (*p == '\n') { fprintf(script, "\"\necho \""); continue; } // Escaped character? if (*p == '\\' || *p == '\"') { fprintf(script, "\\"); } fprintf(script, "%c", *p); } fprintf(script, "\"\n"); } // Open a terminal window with the PATH set appropriately, and DOOMWADPATH // set to the specified value. void OpenTerminalWindow(const char *doomwadpath) { FILE *stream; // Generate a shell script that sets the PATH to include the location // where the Doom binaries are, and DOOMWADPATH to include the // IWAD files that have been configured in the launcher interface. // The script then deletes itself and starts a shell. stream = fopen(TEMP_SCRIPT, "w"); fprintf(stream, "#!/bin/sh\n"); //fprintf(stream, "set -x\n"); fprintf(stream, "PATH=\"%s:$PATH\"\n", executable_path); fprintf(stream, "DOOMWADPATH=\"%s\"\n", doomwadpath); fprintf(stream, "export DOOMWADPATH\n"); fprintf(stream, "rm -f \"%s\"\n", TEMP_SCRIPT); // Display a useful message: fprintf(stream, "clear\n"); WriteMessage(stream, "\n" "This command line has the PATH variable configured so that you may\n" "launch the game with whatever parameters you desire.\n" "\n" "For example:\n" "\n" " " PACKAGE_TARNAME " -iwad doom2.wad -file sid.wad -warp 1\n" "\n" "Type 'exit' to exit.\n"); fprintf(stream, "exec $SHELL\n"); fprintf(stream, "\n"); fclose(stream); chmod(TEMP_SCRIPT, 0755); // Tell the terminal to open a window to run the script. [[NSWorkspace sharedWorkspace] openFile: @TEMP_SCRIPT withApplication: @"Terminal"]; }