Commit | Line | Data |
---|---|---|
fc38b21b | 1 | #ifndef lint |
ec8d5bfb | 2 | static char *sccsid = "@(#)main.c 3.8 83/08/26"; |
fc38b21b EW |
3 | #endif |
4 | ||
2b44d852 | 5 | #include "defs.h" |
fc38b21b | 6 | |
db4a5bb1 | 7 | char escapec = CTRL(p); |
4cbe417d | 8 | int nbufline = 48; /* compatible */ |
a9353152 | 9 | |
db4a5bb1 | 10 | #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage())) |
a9353152 | 11 | |
bb05dfb5 | 12 | /*ARGSUSED*/ |
a9353152 EW |
13 | main(argc, argv) |
14 | char **argv; | |
fc38b21b EW |
15 | { |
16 | register n; | |
17 | register char *p; | |
c8ec0306 EW |
18 | char fflag = 0; |
19 | char dflag = 0; | |
5a7d5d43 | 20 | char xflag = 0; |
fc38b21b | 21 | int imask; |
bb05dfb5 | 22 | struct timezone timezone; |
fc38b21b | 23 | |
db4a5bb1 EW |
24 | if (p = rindex(*argv, '/')) |
25 | p++; | |
26 | else | |
27 | p = *argv; | |
28 | debug = strcmp(p, "a.out") == 0; | |
a9353152 EW |
29 | while (*++argv) { |
30 | if (**argv == '-') { | |
31 | switch (*++*argv) { | |
db4a5bb1 | 32 | case 'f': |
c8ec0306 | 33 | fflag++; |
db4a5bb1 | 34 | break; |
a9353152 EW |
35 | case 'e': |
36 | setescape(next(argv)); | |
37 | break; | |
38 | case 't': | |
39 | terse++; | |
40 | break; | |
db4a5bb1 | 41 | case 'd': |
c8ec0306 EW |
42 | dflag++; |
43 | break; | |
44 | case 'D': | |
db4a5bb1 EW |
45 | debug++; |
46 | break; | |
5a7d5d43 EW |
47 | case 'x': |
48 | xflag++; | |
49 | break; | |
a9353152 | 50 | default: |
bb05dfb5 | 51 | (void) usage(); |
a9353152 EW |
52 | } |
53 | } else | |
bb05dfb5 | 54 | (void) usage(); |
a9353152 | 55 | } |
db4a5bb1 EW |
56 | if ((shell = getenv("SHELL")) == 0) |
57 | shell = "/bin/csh"; | |
58 | if (shellname = rindex(shell, '/')) | |
59 | shellname++; | |
60 | else | |
61 | shellname = shell; | |
bb05dfb5 | 62 | (void) gettimeofday(&starttime, &timezone); |
4711df8b | 63 | if (wwinit() < 0) { |
bb05dfb5 EW |
64 | (void) fflush(stdout); |
65 | (void) fprintf(stderr, "Can't do windows on this terminal.\n"); | |
4711df8b EW |
66 | exit(1); |
67 | } | |
5a7d5d43 | 68 | if (debug) |
db4a5bb1 | 69 | wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; |
5a7d5d43 EW |
70 | if (xflag) { |
71 | wwnewtty.ww_tchars.t_stopc = wwoldtty.ww_tchars.t_stopc; | |
72 | wwnewtty.ww_tchars.t_startc = wwoldtty.ww_tchars.t_startc; | |
db4a5bb1 | 73 | } |
5a7d5d43 EW |
74 | if (debug || xflag) |
75 | (void) wwsettty(0, &wwnewtty); | |
bb05dfb5 EW |
76 | |
77 | if ((cmdwin = wwopen(WWO_REVERSE, 1, wwncol, 0, 0, 0)) == 0) { | |
78 | (void) wwflush(); | |
79 | (void) fprintf(stderr, "Can't open command window.\r\n"); | |
80 | goto bad; | |
81 | } | |
2357b64e EW |
82 | if ((framewin = wwopen(WWO_GLASS|WWO_FRAME, wwnrow, wwncol, 0, 0, 0)) |
83 | == 0) { | |
bb05dfb5 EW |
84 | (void) wwflush(); |
85 | (void) fprintf(stderr, "Can't open frame window.\r\n"); | |
4711df8b EW |
86 | goto bad; |
87 | } | |
bb05dfb5 | 88 | wwadd(framewin, &wwhead); |
43c1dd56 EW |
89 | if ((boxwin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) { |
90 | (void) wwflush(); | |
91 | (void) fprintf(stderr, "Can't open box window.\r\n"); | |
92 | goto bad; | |
93 | } | |
bb05dfb5 EW |
94 | |
95 | curwin = cmdwin; | |
96 | wwupdate(); | |
2b44d852 | 97 | wwflush(); |
fc38b21b | 98 | (void) signal(SIGCHLD, wwchild); |
c8ec0306 | 99 | if (!fflag) { |
bb05dfb5 EW |
100 | if (!terse) |
101 | wwadd(cmdwin, &wwhead); | |
c8ec0306 | 102 | if (dflag || doconfig() < 0) |
db4a5bb1 | 103 | dodefault(); |
0201d1be | 104 | if (selwin != 0) { |
bb05dfb5 | 105 | curwin = selwin; |
73218728 | 106 | wwcursor(selwin, 0); |
bb05dfb5 EW |
107 | } |
108 | if (!terse) { | |
109 | wwdelete(cmdwin); | |
110 | reframe(); | |
0201d1be | 111 | } |
db4a5bb1 | 112 | } |
2b44d852 EW |
113 | while (!quit) { |
114 | if (curwin == cmdwin) { | |
115 | docmd(); | |
4711df8b | 116 | continue; |
2b44d852 | 117 | } |
b4be6cd6 EW |
118 | /* |
119 | * Loop until we get some keyboard input. | |
120 | */ | |
2b44d852 | 121 | while (ibufc == 0) { |
bb05dfb5 EW |
122 | wwcurtowin(curwin); |
123 | wwupdate(); | |
2b44d852 | 124 | wwflush(); |
ec8d5bfb | 125 | while (imask = 1, wwforce(&imask) < 0) |
b4be6cd6 | 126 | ; |
ec8d5bfb | 127 | if ((imask & 1) == 0) |
4711df8b | 128 | continue; |
b4be6cd6 EW |
129 | /* NOTE: ibufc == 0 */ |
130 | ibufp = ibuf; | |
39b49130 | 131 | if ((ibufc = read(0, ibuf, sizeof ibuf)) < 0) { |
b4be6cd6 | 132 | ibufc = 0; |
39b49130 EW |
133 | nreade++; |
134 | } else if (ibufc == 0) | |
135 | nreadz++; | |
136 | else | |
137 | nreadc += ibufc; | |
138 | nread++; | |
2b44d852 | 139 | } |
b4be6cd6 | 140 | /* |
bb05dfb5 EW |
141 | * Weird loop. Copy the buffer to the pty |
142 | * and stopping on the escape character | |
143 | * in a hopefully efficient way. | |
b4be6cd6 EW |
144 | * Probably a good thing to make ibufc == 1 a special |
145 | * case. | |
146 | */ | |
147 | for (p = ibufp, n = ibufc;;) { | |
148 | if (--n < 0) { | |
bb05dfb5 | 149 | (void) write(curwin->ww_pty, ibufp, ibufc); |
b4be6cd6 EW |
150 | ibufp = ibuf; |
151 | ibufc = 0; | |
152 | break; | |
a9353152 | 153 | } else if (*p++ == escapec) { |
b4be6cd6 | 154 | if ((n = p - ibufp) > 1) |
bb05dfb5 EW |
155 | (void) write(curwin->ww_pty, |
156 | ibufp, n - 1); | |
b4be6cd6 EW |
157 | ibufp = p; |
158 | ibufc -= n; | |
bb05dfb5 | 159 | curwin = cmdwin; |
b4be6cd6 EW |
160 | break; |
161 | } | |
fc38b21b EW |
162 | } |
163 | } | |
bb05dfb5 EW |
164 | wwupdate(); |
165 | wwflush(); | |
fc38b21b | 166 | bad: |
fc38b21b EW |
167 | wwend(); |
168 | return 0; | |
169 | } | |
a9353152 EW |
170 | |
171 | usage() | |
172 | { | |
c8ec0306 | 173 | (void) fprintf(stderr, "window: [-e escape-char] [-t] [-f] [-d]\n"); |
30647f51 EW |
174 | exit(1); |
175 | return 0; /* for lint */ | |
a9353152 | 176 | } |