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1.1 ! root 1: /* ! 2: * Copyright (c) 1980 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms are permitted ! 6: * provided that the above copyright notice and this paragraph are ! 7: * duplicated in all such forms and that any documentation, ! 8: * advertising materials, and other materials related to such ! 9: * distribution and use acknowledge that the software was developed ! 10: * by the University of California, Berkeley. The name of the ! 11: * University may not be used to endorse or promote products derived ! 12: * from this software without specific prior written permission. ! 13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 16: */ ! 17: ! 18: #ifndef lint ! 19: char copyright[] = ! 20: "@(#) Copyright (c) 1980 Regents of the University of California.\n\ ! 21: All rights reserved.\n"; ! 22: #endif /* not lint */ ! 23: ! 24: #ifndef lint ! 25: static char sccsid[] = "@(#)rain.c 5.4 (Berkeley) 6/27/88"; ! 26: #endif /* not lint */ ! 27: ! 28: /* ! 29: * rain 11/3/1980 EPS/CITHEP ! 30: * cc rain.c -o rain -O -ltermlib ! 31: */ ! 32: ! 33: #include <sys/types.h> ! 34: #include <stdio.h> ! 35: #ifdef USG ! 36: #include <termio.h> ! 37: #else ! 38: #include <sgtty.h> ! 39: #endif ! 40: #include <signal.h> ! 41: ! 42: #define cursor(c, r) tputs(tgoto(CM, c, r), 1, fputchar) ! 43: ! 44: #ifdef USG ! 45: static struct termio sg, old_tty; ! 46: #else ! 47: static struct sgttyb sg, old_tty; ! 48: #endif ! 49: ! 50: int fputchar(); ! 51: char *LL, *TE, *tgoto(); ! 52: ! 53: main(argc, argv) ! 54: int argc; ! 55: char **argv; ! 56: { ! 57: extern short ospeed; ! 58: extern char *UP; ! 59: register int x, y, j; ! 60: register char *CM, *BC, *DN, *ND, *term; ! 61: char *TI, *tcp, *mp, tcb[100], ! 62: *malloc(), *getenv(), *strcpy(), *tgetstr(); ! 63: long cols, lines, random(); ! 64: int xpos[5], ypos[5], onsig(); ! 65: ! 66: if (!(term = getenv("TERM"))) { ! 67: fprintf(stderr, "%s: TERM: parameter not set\n", *argv); ! 68: exit(1); ! 69: } ! 70: if (!(mp = malloc((u_int)1024))) { ! 71: fprintf(stderr, "%s: out of space.\n", *argv); ! 72: exit(1); ! 73: } ! 74: if (tgetent(mp, term) <= 0) { ! 75: fprintf(stderr, "%s: %s: unknown terminal type\n", *argv, term); ! 76: exit(1); ! 77: } ! 78: tcp = tcb; ! 79: if (!(CM = tgetstr("cm", &tcp))) { ! 80: fprintf(stderr, "%s: terminal not capable of cursor motion\n", *argv); ! 81: exit(1); ! 82: } ! 83: if (!(BC = tgetstr("bc", &tcp))) ! 84: BC = "\b"; ! 85: if (!(DN = tgetstr("dn", &tcp))) ! 86: DN = "\n"; ! 87: if (!(ND = tgetstr("nd", &tcp))) ! 88: ND = " "; ! 89: if ((cols = tgetnum("co")) == -1) ! 90: cols = 80; ! 91: if ((lines = tgetnum("li")) == -1) ! 92: lines = 24; ! 93: cols -= 4; ! 94: lines -= 4; ! 95: TE = tgetstr("te", &tcp); ! 96: TI = tgetstr("ti", &tcp); ! 97: UP = tgetstr("up", &tcp); ! 98: if (!(LL = tgetstr("ll", &tcp))) { ! 99: if (!(LL = malloc((u_int)10))) { ! 100: fprintf(stderr, "%s: out of space.\n", *argv); ! 101: exit(1); ! 102: } ! 103: (void)strcpy(LL, tgoto(CM, 0, 23)); ! 104: } ! 105: #ifdef USG ! 106: ioctl(1, TCGETA, &sg); ! 107: ospeed = sg.c_cflag&CBAUD; ! 108: #else ! 109: gtty(1, &sg); ! 110: ospeed = sg.sg_ospeed; ! 111: #endif ! 112: (void)signal(SIGHUP, onsig); ! 113: (void)signal(SIGINT, onsig); ! 114: (void)signal(SIGQUIT, onsig); ! 115: (void)signal(SIGSTOP, onsig); ! 116: (void)signal(SIGTSTP, onsig); ! 117: (void)signal(SIGTERM, onsig); ! 118: #ifdef USG ! 119: ioctl(1, TCGETA, &old_tty); /* save tty bits for exit */ ! 120: ioctl(1, TCGETA, &sg); ! 121: sg.c_iflag &= ~ICRNL; ! 122: sg.c_oflag &= ~ONLCR; ! 123: sg.c_lflag &= ~ECHO; ! 124: ioctl(1, TCSETAW, &sg); ! 125: #else ! 126: gtty(1, &old_tty); /* save tty bits for exit */ ! 127: gtty(1, &sg); ! 128: sg.sg_flags &= ~(CRMOD|ECHO); ! 129: stty(1, &sg); ! 130: #endif ! 131: if (TI) ! 132: tputs(TI, 1, fputchar); ! 133: tputs(tgetstr("cl", &tcp), 1, fputchar); ! 134: (void)fflush(stdout); ! 135: for (j = 4; j >= 0; --j) { ! 136: xpos[j] = random() % cols + 2; ! 137: ypos[j] = random() % lines + 2; ! 138: } ! 139: for (j = 0;;) { ! 140: x = random() % cols + 2; ! 141: y = random() % lines + 2; ! 142: cursor(x, y); ! 143: fputchar('.'); ! 144: cursor(xpos[j], ypos[j]); ! 145: fputchar('o'); ! 146: if (!j--) ! 147: j = 4; ! 148: cursor(xpos[j], ypos[j]); ! 149: fputchar('O'); ! 150: if (!j--) ! 151: j = 4; ! 152: cursor(xpos[j], ypos[j] - 1); ! 153: fputchar('-'); ! 154: tputs(DN, 1, fputchar); ! 155: tputs(BC, 1, fputchar); ! 156: tputs(BC, 1, fputchar); ! 157: fputs("|.|", stdout); ! 158: tputs(DN, 1, fputchar); ! 159: tputs(BC, 1, fputchar); ! 160: tputs(BC, 1, fputchar); ! 161: fputchar('-'); ! 162: if (!j--) ! 163: j = 4; ! 164: cursor(xpos[j], ypos[j] - 2); ! 165: fputchar('-'); ! 166: tputs(DN, 1, fputchar); ! 167: tputs(BC, 1, fputchar); ! 168: tputs(BC, 1, fputchar); ! 169: fputs("/ \\", stdout); ! 170: cursor(xpos[j] - 2, ypos[j]); ! 171: fputs("| O |", stdout); ! 172: cursor(xpos[j] - 1, ypos[j] + 1); ! 173: fputs("\\ /", stdout); ! 174: tputs(DN, 1, fputchar); ! 175: tputs(BC, 1, fputchar); ! 176: tputs(BC, 1, fputchar); ! 177: fputchar('-'); ! 178: if (!j--) ! 179: j = 4; ! 180: cursor(xpos[j], ypos[j] - 2); ! 181: fputchar(' '); ! 182: tputs(DN, 1, fputchar); ! 183: tputs(BC, 1, fputchar); ! 184: tputs(BC, 1, fputchar); ! 185: fputchar(' '); ! 186: tputs(ND, 1, fputchar); ! 187: fputchar(' '); ! 188: cursor(xpos[j] - 2, ypos[j]); ! 189: fputchar(' '); ! 190: tputs(ND, 1, fputchar); ! 191: fputchar(' '); ! 192: tputs(ND, 1, fputchar); ! 193: fputchar(' '); ! 194: cursor(xpos[j] - 1, ypos[j] + 1); ! 195: fputchar(' '); ! 196: tputs(ND, 1, fputchar); ! 197: fputchar(' '); ! 198: tputs(DN, 1, fputchar); ! 199: tputs(BC, 1, fputchar); ! 200: tputs(BC, 1, fputchar); ! 201: fputchar(' '); ! 202: xpos[j] = x; ! 203: ypos[j] = y; ! 204: (void)fflush(stdout); ! 205: } ! 206: } ! 207: ! 208: static ! 209: onsig() ! 210: { ! 211: tputs(LL, 1, fputchar); ! 212: if (TE) ! 213: tputs(TE, 1, fputchar); ! 214: (void)fflush(stdout); ! 215: #ifdef USG ! 216: ioctl(1, TCSETAW, &old_tty); ! 217: #else ! 218: stty(1, &old_tty); ! 219: #endif ! 220: exit(0); ! 221: } ! 222: ! 223: static ! 224: fputchar(c) ! 225: char c; ! 226: { ! 227: putchar(c); ! 228: }
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