release/src/router/libncurses/test/test_setupterm.c

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  28
  29 /*
  30  * Author: Thomas E. Dickey
  31  *
  32  * $Id: test_setupterm.c,v 1.8 2015/06/28 00:53:46 tom Exp $
  33  *
  34  * A simple demo of setupterm/restartterm.
  35  */
  36 #include <test.priv.h>
  37
  38 #if HAVE_TIGETSTR
  39
  40 static bool a_opt = FALSE;
  41 static bool f_opt = FALSE;
  42 static bool n_opt = FALSE;
  43 static bool r_opt = FALSE;
  44
  45 static void
  46 test_rc(NCURSES_CONST char *name, int actual_rc, int actual_err)
  47 {
  48     int expect_rc = -1;
  49     int expect_err = -1;
  50
  51     if (name == 0)
  52         name = getenv("TERM");
  53     if (name == 0)
  54         name = "?";
  55
  56     switch (*name) {
  57     case 'v':                   /* vt100 is normal */
  58     case 'd':                   /* dumb has no special flags */
  59         expect_rc = 0;
  60         expect_err = 1;
  61         break;
  62     case 'l':                   /* lpr is hardcopy */
  63         expect_err = 1;
  64         break;
  65     case 'u':                   /* unknown is generic */
  66         expect_err = 0;
  67         break;
  68     default:
  69         break;
  70     }
  71     if (n_opt) {
  72         expect_rc = -1;
  73         expect_err = -1;
  74     }
  75     printf("%s",
  76            ((actual_rc == expect_rc && actual_err == expect_err)
  77             ? "OK"
  78             : "ERR"));
  79     printf(" '%s'", name);
  80     if (actual_rc == expect_rc) {
  81         printf(" rc=%d", actual_rc);
  82     } else {
  83         printf(" rc=%d (%d)", actual_rc, expect_rc);
  84     }
  85     if (actual_err == expect_err) {
  86         printf(" err=%d", actual_err);
  87     } else {
  88         printf(" err=%d (%d)", actual_err, expect_err);
  89     }
  90     printf("\n");
  91 }
  92
  93 static void
  94 test_setupterm(NCURSES_CONST char *name)
  95 {
  96     int rc;
  97     int err = -99;
  98
  99     if (r_opt) {
 100         rc = restartterm(name, 0, f_opt ? NULL : &err);
 101     } else {
 102         rc = setupterm(name, 0, f_opt ? NULL : &err);
 103     }
 104     test_rc(name, rc, err);
 105 }
 106
 107 static void
 108 usage(void)
 109 {
 110     static const char *msg[] =
 111     {
 112         "Usage: test_setupterm [options] [terminal]",
 113         "",
 114         "Demonstrate error-checking for setupterm and restartterm.",
 115         "",
 116         "Options:",
 117         " -a       automatic test for each success/error code",
 118         " -f       treat errors as fatal",
 119         " -n       set environment to disable terminfo database, assuming",
 120         "          the compiled-in paths for database also fail",
 121         " -r       test restartterm rather than setupterm",
 122     };
 123     unsigned n;
 124     for (n = 0; n < SIZEOF(msg); ++n) {
 125         fprintf(stderr, "%s\n", msg[n]);
 126     }
 127     ExitProgram(EXIT_FAILURE);
 128 }
 129
 130 int
 131 main(int argc, char *argv[])
 132 {
 133     int n;
 134
 135     while ((n = getopt(argc, argv, "afnr")) != -1) {
 136         switch (n) {
 137         case 'a':
 138             a_opt = TRUE;
 139             break;
 140         case 'f':
 141             f_opt = TRUE;
 142             break;
 143         case 'n':
 144             n_opt = TRUE;
 145             break;
 146         case 'r':
 147             r_opt = TRUE;
 148             break;
 149         default:
 150             usage();
 151             break;
 152         }
 153     }
 154
 155     if (n_opt) {
 156         static char none[][25] =
 157         {
 158             "HOME=/GUI",
 159             "TERMINFO=/GUI",
 160             "TERMINFO_DIRS=/GUI"
 161         };
 162         /*
 163          * We can turn this off, but not on again, because ncurses caches the
 164          * directory locations.
 165          */
 166         printf("** without database\n");
 167         for (n = 0; n < 3; ++n)
 168             putenv(none[n]);
 169     } else {
 170         printf("** with database\n");
 171     }
 172
 173     /*
 174      * The restartterm relies on an existing screen, so we make one here.
 175      */
 176     if (r_opt) {
 177         newterm("ansi", stdout, stdin);
 178         reset_shell_mode();
 179     }
 180
 181     if (a_opt) {
 182         static char predef[][9] =
 183         {"vt100", "dumb", "lpr", "unknown", "none-such"};
 184         if (optind < argc) {
 185             usage();
 186         }
 187         for (n = 0; n < 4; ++n) {
 188             test_setupterm(predef[n]);
 189         }
 190     } else {
 191         if (optind < argc) {
 192             for (n = optind; n < argc; ++n) {
 193                 test_setupterm(argv[n]);
 194             }
 195         } else {
 196             test_setupterm(NULL);
 197         }
 198     }
 199
 200     ExitProgram(EXIT_SUCCESS);
 201 }
 202
 203 #else /* !HAVE_TIGETSTR */
 204 int
 205 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 206 {
 207     printf("This program requires the terminfo functions such as tigetstr\n");
 208     ExitProgram(EXIT_FAILURE);
 209 }
 210 #endif /* HAVE_TIGETSTR */