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1.1 ! root 1: #ifndef lint ! 2: static char sccsid[] = "@(#)wwinit.c 3.26 5/1/86"; ! 3: #endif ! 4: ! 5: /* ! 6: * Copyright (c) 1983 Regents of the University of California, ! 7: * All rights reserved. Redistribution permitted subject to ! 8: * the terms of the Berkeley Software License Agreement. ! 9: */ ! 10: ! 11: #include "ww.h" ! 12: #include "tt.h" ! 13: #include <sys/signal.h> ! 14: #include <fcntl.h> ! 15: #include "char.h" ! 16: ! 17: wwinit() ! 18: { ! 19: register i, j; ! 20: char *kp; ! 21: register char **p, **q; ! 22: char **env, **termcap = 0; ! 23: extern char **environ; ! 24: int s; ! 25: ! 26: wwdtablesize = getdtablesize(); ! 27: wwhead.ww_forw = &wwhead; ! 28: wwhead.ww_back = &wwhead; ! 29: ! 30: s = sigblock(sigmask(SIGIO)); ! 31: if (signal(SIGIO, wwrint) == BADSIG) ! 32: return -1; ! 33: ! 34: if (wwgettty(0, &wwoldtty) < 0) ! 35: return -1; ! 36: wwwintty = wwoldtty; ! 37: wwwintty.ww_sgttyb.sg_flags &= ~XTABS; ! 38: wwnewtty.ww_sgttyb = wwoldtty.ww_sgttyb; ! 39: wwnewtty.ww_sgttyb.sg_erase = -1; ! 40: wwnewtty.ww_sgttyb.sg_kill = -1; ! 41: wwnewtty.ww_sgttyb.sg_flags |= CBREAK; ! 42: wwnewtty.ww_sgttyb.sg_flags &= ~(ECHO|CRMOD); ! 43: wwnewtty.ww_tchars.t_intrc = -1; ! 44: wwnewtty.ww_tchars.t_quitc = -1; ! 45: wwnewtty.ww_tchars.t_startc = -1; ! 46: wwnewtty.ww_tchars.t_stopc = -1; ! 47: wwnewtty.ww_tchars.t_eofc = -1; ! 48: wwnewtty.ww_tchars.t_brkc = -1; ! 49: wwnewtty.ww_ltchars.t_suspc = -1; ! 50: wwnewtty.ww_ltchars.t_dsuspc = -1; ! 51: wwnewtty.ww_ltchars.t_rprntc = -1; ! 52: wwnewtty.ww_ltchars.t_flushc = -1; ! 53: wwnewtty.ww_ltchars.t_werasc = -1; ! 54: wwnewtty.ww_ltchars.t_lnextc = -1; ! 55: wwnewtty.ww_lmode = wwoldtty.ww_lmode | LLITOUT; ! 56: wwnewtty.ww_ldisc = wwoldtty.ww_ldisc; ! 57: wwnewtty.ww_fflags = wwoldtty.ww_fflags | FASYNC; ! 58: if (wwsettty(0, &wwnewtty, &wwoldtty) < 0) ! 59: goto bad; ! 60: ! 61: if ((wwterm = getenv("TERM")) == 0) { ! 62: wwerrno = WWE_BADTERM; ! 63: goto bad; ! 64: } ! 65: if (tgetent(wwtermcap, wwterm) != 1) { ! 66: wwerrno = WWE_BADTERM; ! 67: goto bad; ! 68: } ! 69: wwbaud = wwbaudmap[wwoldtty.ww_sgttyb.sg_ospeed]; ! 70: ! 71: if (ttinit() < 0) ! 72: goto bad; ! 73: wwnrow = tt.tt_nrow; ! 74: wwncol = tt.tt_ncol; ! 75: wwavailmodes = tt.tt_availmodes; ! 76: wwwrap = tt.tt_wrap; ! 77: (*tt.tt_init)(); ! 78: ! 79: if (wwavailmodes & WWM_REV) ! 80: wwcursormodes = WWM_REV | wwavailmodes & WWM_BLK; ! 81: else if (wwavailmodes & WWM_UL) ! 82: wwcursormodes = WWM_UL; ! 83: ! 84: if ((wwib = malloc((unsigned) 512)) == 0) ! 85: goto bad; ! 86: wwibe = wwib + 512; ! 87: wwibq = wwibp = wwib; ! 88: ! 89: if ((wwsmap = wwalloc(0, 0, wwnrow, wwncol, sizeof (char))) == 0) ! 90: goto bad; ! 91: for (i = 0; i < wwnrow; i++) ! 92: for (j = 0; j < wwncol; j++) ! 93: wwsmap[i][j] = WWX_NOBODY; ! 94: ! 95: wwos = (union ww_char **) ! 96: wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); ! 97: if (wwos == 0) ! 98: goto bad; ! 99: for (i = 0; i < wwnrow; i++) ! 100: for (j = 0; j < wwncol; j++) ! 101: wwos[i][j].c_w = ' '; ! 102: wwns = (union ww_char **) ! 103: wwalloc(0, 0, wwnrow, wwncol, sizeof (union ww_char)); ! 104: if (wwns == 0) ! 105: goto bad; ! 106: for (i = 0; i < wwnrow; i++) ! 107: for (j = 0; j < wwncol; j++) ! 108: wwns[i][j].c_w = ' '; ! 109: ! 110: wwtouched = malloc((unsigned) wwnrow); ! 111: if (wwtouched == 0) { ! 112: wwerrno = WWE_NOMEM; ! 113: goto bad; ! 114: } ! 115: for (i = 0; i < wwnrow; i++) ! 116: wwtouched[i] = 0; ! 117: ! 118: wwindex[WWX_NOBODY] = &wwnobody; ! 119: wwnobody.ww_order = NWW; ! 120: ! 121: kp = wwkeys; ! 122: wwaddcap("kb", &kp); ! 123: wwaddcap("ku", &kp); ! 124: wwaddcap("kd", &kp); ! 125: wwaddcap("kl", &kp); ! 126: wwaddcap("kr", &kp); ! 127: wwaddcap("kh", &kp); ! 128: if ((j = tgetnum("kn")) >= 0) { ! 129: char cap[32]; ! 130: ! 131: (void) sprintf(kp, "kn#%d:", j); ! 132: for (; *kp; kp++) ! 133: ; ! 134: for (i = 1; i <= j; i++) { ! 135: (void) sprintf(cap, "k%d", i); ! 136: wwaddcap(cap, &kp); ! 137: cap[0] = 'l'; ! 138: wwaddcap(cap, &kp); ! 139: } ! 140: } ! 141: for (i = 0, p = environ; *p++; i++) ! 142: ; ! 143: if ((env = (char **)malloc((unsigned)(i + 3) * sizeof (char *))) == 0) ! 144: goto bad; ! 145: for (p = environ, q = env; *p; p++, q++) { ! 146: if (strncmp(*p, "TERM=", 5) == 0) ! 147: *q = WWT_TERM; ! 148: else if (strncmp(*p, "TERMCAP=", 8) == 0) ! 149: termcap = q; ! 150: else ! 151: *q = *p; ! 152: } ! 153: *(termcap ? termcap : q++) = wwwintermcap; ! 154: *q = 0; ! 155: environ = env; ! 156: ! 157: (void) signal(SIGPIPE, SIG_IGN); ! 158: (void) sigsetmask(s); ! 159: return 0; ! 160: bad: ! 161: /* ! 162: * Don't bother to free storage. We're supposed ! 163: * to exit when wwinit fails anyway. ! 164: */ ! 165: (void) wwsettty(0, &wwoldtty, &wwnewtty); ! 166: (void) signal(SIGIO, SIG_DFL); ! 167: (void) sigsetmask(s); ! 168: return -1; ! 169: } ! 170: ! 171: wwaddcap(cap, kp) ! 172: register char *cap; ! 173: register char **kp; ! 174: { ! 175: char tbuf[512]; ! 176: char *tp = tbuf; ! 177: register char *str, *p; ! 178: ! 179: if ((str = tgetstr(cap, &tp)) != 0) { ! 180: while (*(*kp)++ = *cap++) ! 181: ; ! 182: (*kp)[-1] = '='; ! 183: while (*str) { ! 184: for (p = unctrl(*str++); *(*kp)++ = *p++;) ! 185: ; ! 186: (*kp)--; ! 187: } ! 188: *(*kp)++ = ':'; ! 189: **kp = 0; ! 190: } ! 191: }
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