Commit | Line | Data |
---|---|---|
fc38b21b | 1 | #ifndef lint |
c8ec0306 | 2 | static char *sccsid = "@(#)main.c 3.2 83/08/17"; |
fc38b21b EW |
3 | #endif |
4 | ||
2b44d852 | 5 | #include "defs.h" |
fc38b21b | 6 | |
db4a5bb1 | 7 | char escapec = CTRL(p); |
a9353152 | 8 | |
db4a5bb1 | 9 | #define next(a) (*++*(a) ? *(a) : (*++(a) ? *(a) : (char *)usage())) |
a9353152 | 10 | |
bb05dfb5 | 11 | /*ARGSUSED*/ |
a9353152 EW |
12 | main(argc, argv) |
13 | char **argv; | |
fc38b21b EW |
14 | { |
15 | register n; | |
16 | register char *p; | |
c8ec0306 EW |
17 | char fflag = 0; |
18 | char dflag = 0; | |
fc38b21b | 19 | int imask; |
bb05dfb5 | 20 | struct timezone timezone; |
fc38b21b | 21 | |
db4a5bb1 EW |
22 | if (p = rindex(*argv, '/')) |
23 | p++; | |
24 | else | |
25 | p = *argv; | |
26 | debug = strcmp(p, "a.out") == 0; | |
a9353152 EW |
27 | while (*++argv) { |
28 | if (**argv == '-') { | |
29 | switch (*++*argv) { | |
db4a5bb1 | 30 | case 'f': |
c8ec0306 | 31 | fflag++; |
db4a5bb1 | 32 | break; |
a9353152 EW |
33 | case 'e': |
34 | setescape(next(argv)); | |
35 | break; | |
36 | case 't': | |
37 | terse++; | |
38 | break; | |
db4a5bb1 | 39 | case 'd': |
c8ec0306 EW |
40 | dflag++; |
41 | break; | |
42 | case 'D': | |
db4a5bb1 EW |
43 | debug++; |
44 | break; | |
a9353152 | 45 | default: |
bb05dfb5 | 46 | (void) usage(); |
a9353152 EW |
47 | } |
48 | } else | |
bb05dfb5 | 49 | (void) usage(); |
a9353152 | 50 | } |
db4a5bb1 EW |
51 | if ((shell = getenv("SHELL")) == 0) |
52 | shell = "/bin/csh"; | |
53 | if (shellname = rindex(shell, '/')) | |
54 | shellname++; | |
55 | else | |
56 | shellname = shell; | |
bb05dfb5 | 57 | (void) gettimeofday(&starttime, &timezone); |
4711df8b | 58 | if (wwinit() < 0) { |
bb05dfb5 EW |
59 | (void) fflush(stdout); |
60 | (void) fprintf(stderr, "Can't do windows on this terminal.\n"); | |
4711df8b EW |
61 | exit(1); |
62 | } | |
db4a5bb1 EW |
63 | if (debug) { |
64 | wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; | |
bb05dfb5 | 65 | (void) wwsettty(0, &wwnewtty); |
db4a5bb1 | 66 | } |
bb05dfb5 EW |
67 | |
68 | if ((cmdwin = wwopen(WWO_REVERSE, 1, wwncol, 0, 0, 0)) == 0) { | |
69 | (void) wwflush(); | |
70 | (void) fprintf(stderr, "Can't open command window.\r\n"); | |
71 | goto bad; | |
72 | } | |
73 | if ((framewin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) { | |
74 | (void) wwflush(); | |
75 | (void) fprintf(stderr, "Can't open frame window.\r\n"); | |
4711df8b EW |
76 | goto bad; |
77 | } | |
bb05dfb5 EW |
78 | wwadd(framewin, &wwhead); |
79 | ||
80 | curwin = cmdwin; | |
81 | wwupdate(); | |
2b44d852 | 82 | wwflush(); |
fc38b21b | 83 | (void) signal(SIGCHLD, wwchild); |
c8ec0306 | 84 | if (!fflag) { |
bb05dfb5 EW |
85 | if (!terse) |
86 | wwadd(cmdwin, &wwhead); | |
c8ec0306 | 87 | if (dflag || doconfig() < 0) |
db4a5bb1 | 88 | dodefault(); |
0201d1be | 89 | if (selwin != 0) { |
bb05dfb5 EW |
90 | curwin = selwin; |
91 | /* | |
0201d1be | 92 | Woncursor(selwin->ww_win, 0); |
bb05dfb5 EW |
93 | */ |
94 | } | |
95 | if (!terse) { | |
96 | wwdelete(cmdwin); | |
97 | reframe(); | |
0201d1be | 98 | } |
db4a5bb1 | 99 | } |
2b44d852 EW |
100 | while (!quit) { |
101 | if (curwin == cmdwin) { | |
102 | docmd(); | |
4711df8b | 103 | continue; |
2b44d852 | 104 | } |
b4be6cd6 EW |
105 | /* |
106 | * Loop until we get some keyboard input. | |
107 | */ | |
2b44d852 | 108 | while (ibufc == 0) { |
bb05dfb5 EW |
109 | wwcurtowin(curwin); |
110 | wwupdate(); | |
2b44d852 | 111 | wwflush(); |
b4be6cd6 EW |
112 | imask = 1 << 0; |
113 | while (wwforce(&imask) < 0) | |
114 | ; | |
115 | if ((imask & 1 << 0) == 0) | |
4711df8b | 116 | continue; |
b4be6cd6 EW |
117 | /* NOTE: ibufc == 0 */ |
118 | ibufp = ibuf; | |
39b49130 | 119 | if ((ibufc = read(0, ibuf, sizeof ibuf)) < 0) { |
b4be6cd6 | 120 | ibufc = 0; |
39b49130 EW |
121 | nreade++; |
122 | } else if (ibufc == 0) | |
123 | nreadz++; | |
124 | else | |
125 | nreadc += ibufc; | |
126 | nread++; | |
2b44d852 | 127 | } |
b4be6cd6 | 128 | /* |
bb05dfb5 EW |
129 | * Weird loop. Copy the buffer to the pty |
130 | * and stopping on the escape character | |
131 | * in a hopefully efficient way. | |
b4be6cd6 EW |
132 | * Probably a good thing to make ibufc == 1 a special |
133 | * case. | |
134 | */ | |
135 | for (p = ibufp, n = ibufc;;) { | |
136 | if (--n < 0) { | |
bb05dfb5 | 137 | (void) write(curwin->ww_pty, ibufp, ibufc); |
b4be6cd6 EW |
138 | ibufp = ibuf; |
139 | ibufc = 0; | |
140 | break; | |
a9353152 | 141 | } else if (*p++ == escapec) { |
b4be6cd6 | 142 | if ((n = p - ibufp) > 1) |
bb05dfb5 EW |
143 | (void) write(curwin->ww_pty, |
144 | ibufp, n - 1); | |
b4be6cd6 EW |
145 | ibufp = p; |
146 | ibufc -= n; | |
bb05dfb5 | 147 | curwin = cmdwin; |
b4be6cd6 EW |
148 | break; |
149 | } | |
fc38b21b EW |
150 | } |
151 | } | |
bb05dfb5 EW |
152 | wwupdate(); |
153 | wwflush(); | |
fc38b21b | 154 | bad: |
fc38b21b EW |
155 | wwend(); |
156 | return 0; | |
157 | } | |
a9353152 EW |
158 | |
159 | usage() | |
160 | { | |
c8ec0306 | 161 | (void) fprintf(stderr, "window: [-e escape-char] [-t] [-f] [-d]\n"); |
30647f51 EW |
162 | exit(1); |
163 | return 0; /* for lint */ | |
a9353152 | 164 | } |