Commit | Line | Data |
---|---|---|
fc38b21b | 1 | #ifndef lint |
30647f51 | 2 | static char *sccsid = "@(#)main.c 3.1 83/08/11"; |
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; | |
db4a5bb1 | 17 | char fast = 0; |
fc38b21b | 18 | int imask; |
bb05dfb5 | 19 | struct timezone timezone; |
fc38b21b | 20 | |
db4a5bb1 EW |
21 | if (p = rindex(*argv, '/')) |
22 | p++; | |
23 | else | |
24 | p = *argv; | |
25 | debug = strcmp(p, "a.out") == 0; | |
a9353152 EW |
26 | while (*++argv) { |
27 | if (**argv == '-') { | |
28 | switch (*++*argv) { | |
db4a5bb1 EW |
29 | case 'f': |
30 | fast++; | |
31 | break; | |
a9353152 EW |
32 | case 'e': |
33 | setescape(next(argv)); | |
34 | break; | |
35 | case 't': | |
36 | terse++; | |
37 | break; | |
db4a5bb1 EW |
38 | case 'd': |
39 | debug++; | |
40 | break; | |
a9353152 | 41 | default: |
bb05dfb5 | 42 | (void) usage(); |
a9353152 EW |
43 | } |
44 | } else | |
bb05dfb5 | 45 | (void) usage(); |
a9353152 | 46 | } |
db4a5bb1 EW |
47 | if ((shell = getenv("SHELL")) == 0) |
48 | shell = "/bin/csh"; | |
49 | if (shellname = rindex(shell, '/')) | |
50 | shellname++; | |
51 | else | |
52 | shellname = shell; | |
bb05dfb5 | 53 | (void) gettimeofday(&starttime, &timezone); |
4711df8b | 54 | if (wwinit() < 0) { |
bb05dfb5 EW |
55 | (void) fflush(stdout); |
56 | (void) fprintf(stderr, "Can't do windows on this terminal.\n"); | |
4711df8b EW |
57 | exit(1); |
58 | } | |
db4a5bb1 EW |
59 | if (debug) { |
60 | wwnewtty.ww_tchars.t_quitc = wwoldtty.ww_tchars.t_quitc; | |
bb05dfb5 | 61 | (void) wwsettty(0, &wwnewtty); |
db4a5bb1 | 62 | } |
bb05dfb5 EW |
63 | |
64 | if ((cmdwin = wwopen(WWO_REVERSE, 1, wwncol, 0, 0, 0)) == 0) { | |
65 | (void) wwflush(); | |
66 | (void) fprintf(stderr, "Can't open command window.\r\n"); | |
67 | goto bad; | |
68 | } | |
69 | if ((framewin = wwopen(WWO_GLASS, wwnrow, wwncol, 0, 0, 0)) == 0) { | |
70 | (void) wwflush(); | |
71 | (void) fprintf(stderr, "Can't open frame window.\r\n"); | |
4711df8b EW |
72 | goto bad; |
73 | } | |
bb05dfb5 EW |
74 | wwadd(framewin, &wwhead); |
75 | ||
76 | curwin = cmdwin; | |
77 | wwupdate(); | |
2b44d852 | 78 | wwflush(); |
fc38b21b | 79 | (void) signal(SIGCHLD, wwchild); |
db4a5bb1 | 80 | if (!fast) { |
bb05dfb5 EW |
81 | if (!terse) |
82 | wwadd(cmdwin, &wwhead); | |
db4a5bb1 EW |
83 | if (doconfig() < 0) |
84 | dodefault(); | |
0201d1be | 85 | if (selwin != 0) { |
bb05dfb5 EW |
86 | curwin = selwin; |
87 | /* | |
0201d1be | 88 | Woncursor(selwin->ww_win, 0); |
bb05dfb5 EW |
89 | */ |
90 | } | |
91 | if (!terse) { | |
92 | wwdelete(cmdwin); | |
93 | reframe(); | |
0201d1be | 94 | } |
db4a5bb1 | 95 | } |
2b44d852 EW |
96 | while (!quit) { |
97 | if (curwin == cmdwin) { | |
98 | docmd(); | |
4711df8b | 99 | continue; |
2b44d852 | 100 | } |
b4be6cd6 EW |
101 | /* |
102 | * Loop until we get some keyboard input. | |
103 | */ | |
2b44d852 | 104 | while (ibufc == 0) { |
bb05dfb5 EW |
105 | wwcurtowin(curwin); |
106 | wwupdate(); | |
2b44d852 | 107 | wwflush(); |
b4be6cd6 EW |
108 | imask = 1 << 0; |
109 | while (wwforce(&imask) < 0) | |
110 | ; | |
111 | if ((imask & 1 << 0) == 0) | |
4711df8b | 112 | continue; |
b4be6cd6 EW |
113 | /* NOTE: ibufc == 0 */ |
114 | ibufp = ibuf; | |
39b49130 | 115 | if ((ibufc = read(0, ibuf, sizeof ibuf)) < 0) { |
b4be6cd6 | 116 | ibufc = 0; |
39b49130 EW |
117 | nreade++; |
118 | } else if (ibufc == 0) | |
119 | nreadz++; | |
120 | else | |
121 | nreadc += ibufc; | |
122 | nread++; | |
2b44d852 | 123 | } |
b4be6cd6 | 124 | /* |
bb05dfb5 EW |
125 | * Weird loop. Copy the buffer to the pty |
126 | * and stopping on the escape character | |
127 | * in a hopefully efficient way. | |
b4be6cd6 EW |
128 | * Probably a good thing to make ibufc == 1 a special |
129 | * case. | |
130 | */ | |
131 | for (p = ibufp, n = ibufc;;) { | |
132 | if (--n < 0) { | |
bb05dfb5 | 133 | (void) write(curwin->ww_pty, ibufp, ibufc); |
b4be6cd6 EW |
134 | ibufp = ibuf; |
135 | ibufc = 0; | |
136 | break; | |
a9353152 | 137 | } else if (*p++ == escapec) { |
b4be6cd6 | 138 | if ((n = p - ibufp) > 1) |
bb05dfb5 EW |
139 | (void) write(curwin->ww_pty, |
140 | ibufp, n - 1); | |
b4be6cd6 EW |
141 | ibufp = p; |
142 | ibufc -= n; | |
bb05dfb5 | 143 | curwin = cmdwin; |
b4be6cd6 EW |
144 | break; |
145 | } | |
fc38b21b EW |
146 | } |
147 | } | |
bb05dfb5 EW |
148 | wwupdate(); |
149 | wwflush(); | |
fc38b21b | 150 | bad: |
fc38b21b EW |
151 | wwend(); |
152 | return 0; | |
153 | } | |
a9353152 EW |
154 | |
155 | usage() | |
156 | { | |
bb05dfb5 | 157 | (void) fprintf(stderr, "window: [-e escape] [-t] [-f]\n"); |
30647f51 EW |
158 | exit(1); |
159 | return 0; /* for lint */ | |
a9353152 | 160 | } |