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annotate rvinterf/g23sh/main.c @ 876:c9f353b5d70c

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rvinterf/asyncshell/rxctl.c: buglet in the implementation of dis/enable commands
author Space Falcon <falcon@ivan.Harhan.ORG>
date Sat, 30 May 2015 07:50:05 +0000
parents 922efdd65dce
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module contains the main() function for g23sh.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <sys/errno.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <unistd.h>
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10
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11 char *socket_pathname = "/tmp/rvinterf_socket";
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12 int ttyhacks, dflag;
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13
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14 int sock;
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15
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16 extern char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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17
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18 main(argc, argv)
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19 char **argv;
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20 {
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21 extern int optind;
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22 extern char *optarg;
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23 int c;
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24 fd_set fds;
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25
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26 while ((c = getopt(argc, argv, "B:dl:s:w:")) != EOF)
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27 switch (c) {
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28 case 'B':
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29 rvinterf_Bopt = optarg;
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30 continue;
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31 case 'd':
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32 dflag++;
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33 continue;
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34 case 'l':
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35 rvinterf_lopt = optarg;
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36 continue;
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37 case 's':
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38 socket_pathname = optarg;
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39 continue;
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40 case 'w':
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41 rvinterf_wopt = optarg;
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42 continue;
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43 case '?':
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44 default:
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45 usage: fprintf(stderr,
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46 "usage: %s [options] [ttyport]\n", argv[0]);
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47 exit(1);
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48 }
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49 switch (argc - optind) {
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50 case 0:
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51 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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52 fprintf(stderr,
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53 "%s: -B, -l and -w options are meaningful only when launching rvinterf\n",
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54 argv[0]);
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55 exit(1);
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56 }
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57 break;
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58 case 1:
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59 launch_rvinterf(argv[optind]);
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60 break;
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61 default:
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62 goto usage;
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63 }
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64
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65 ttyhacks = isatty(0) && !dflag;
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66 init();
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67 tty_init();
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68 for (;;) {
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69 FD_ZERO(&fds);
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70 FD_SET(0, &fds);
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71 FD_SET(sock, &fds);
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72 c = select(sock+1, &fds, 0, 0, 0);
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73 if (c < 0) {
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74 if (errno == EINTR)
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75 continue;
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76 tty_cleanup();
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77 perror("select");
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78 exit(1);
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79 }
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80 if (FD_ISSET(0, &fds))
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81 handle_tty_input();
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82 if (FD_ISSET(sock, &fds))
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83 handle_rvinterf_input();
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84 fflush(stdout);
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85 }
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86 }