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annotate rogue5/main.c @ 162:600873555ec0

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Don't swap signal handlers in md_shellescape(). md_shellescape() sets SIGINT and SIGQUIT to be ignored, storing the previous handlers, and restores them after the shell exits. But it mixed up the two handlers. Since the signals were usually handled by the same function, this fix doesn't have much effect, but anything that makes signal code less confusing is a good thing.
author John "Elwin" Edwards
date Mon, 08 Jun 2015 10:01:25 -0400
parents ee250e3646fd
children 3d4252fa2ed3
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1 /*
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2 * Rogue: Exploring the Dungeons of Doom
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3 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman
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4 * All rights reserved.
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5 *
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6 * See the file LICENSE.TXT for full copyright and licensing information.
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7 *
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8 * @(#)main.c 4.22 (Berkeley) 02/05/99
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9 */
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10
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11 #include <stdlib.h>
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12 #include <string.h>
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13 #include <signal.h>
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14 #include <time.h>
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15 #include <curses.h>
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16 #include "rogue.h"
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17
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18 /*
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19 * main:
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20 * The main program, of course
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21 */
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22 int
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23 main(int argc, char **argv)
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24 {
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25 char *env;
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26 time_t lowtime;
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27
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28 md_init();
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29
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30 #ifdef MASTER
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31 /*
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32 * Check to see if he is a wizard
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33 */
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34 if (argc >= 2 && argv[1][0] == '\0')
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35 if (strcmp(PASSWD, md_crypt(md_getpass("wizard's password: "), "mT")) == 0)
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36 {
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37 wizard = TRUE;
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38 player.t_flags |= SEEMONST;
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39 argv++;
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40 argc--;
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41 }
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42
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43 #endif
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44
34
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45 /* Check to see if savefiles should be stored in the system location */
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46 #ifdef SAVEDIR
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47 if (argc >= 3 && !strcmp(argv[1], "-n"))
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48 {
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49 use_savedir = TRUE;
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50 strncpy(whoami, argv[2], MAXSTR);
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51 whoami[MAXSTR-1] = '\0';
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52 snprintf(file_name, MAXSTR, "%s/%d-%.80s.r5sav", SAVEDIR,
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53 md_getuid(), whoami);
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54 }
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55 #endif
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56
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57 open_score();
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58 open_log();
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59
33
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60 /*
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61 * get home and options from environment
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62 */
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63
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64 strcpy(home, md_gethomedir());
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65
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66 if (strlen(home) > MAXSTR - strlen("rogue5.save") - 1)
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67 *home = 0;
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68
34
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69 if (!use_savedir)
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70 {
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71 md_normaluser();
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72 strcpy(file_name, home);
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73 strcat(file_name, "rogue5.save");
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74 }
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75
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76 if ((env = getenv("ROGUEOPTS")) != NULL)
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77 parse_opts(env);
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78 if (!use_savedir && (env == NULL || whoami[0] == '\0'))
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79 strucpy(whoami, md_getusername(), strlen(md_getusername()));
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80 lowtime = time(NULL);
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81 if (getenv("SEED") != NULL)
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82 {
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83 dnum = atoi(getenv("SEED"));
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84 noscore = 1;
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85 }
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86 else
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87 dnum = (unsigned int) lowtime + md_getpid();
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88 seed = dnum;
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89
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90 /*
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91 * check for print-score option
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92 */
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93
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94 if (argc == 2)
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95 {
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96 if (strcmp(argv[1], "-s") == 0)
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97 {
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98 noscore = TRUE;
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99 score(0, -1, 0);
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100 exit(0);
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101 }
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102 else if (strcmp(argv[1], "-d") == 0)
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103 {
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104 dnum = rnd(100); /* throw away some rnd()s to break patterns */
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