Blame


1 b3994ec5 2003-12-11 devnull #include <u.h>
2 b3994ec5 2003-12-11 devnull #include <libc.h>
3 b3994ec5 2003-12-11 devnull #include <draw.h>
4 b3994ec5 2003-12-11 devnull #include <thread.h>
5 b3994ec5 2003-12-11 devnull #include <cursor.h>
6 b3994ec5 2003-12-11 devnull #include <mouse.h>
7 b3994ec5 2003-12-11 devnull #include <keyboard.h>
8 b3994ec5 2003-12-11 devnull #include <frame.h>
9 b3994ec5 2003-12-11 devnull #include <fcall.h>
10 b3994ec5 2003-12-11 devnull #include <plumb.h>
11 b3994ec5 2003-12-11 devnull #include "dat.h"
12 b3994ec5 2003-12-11 devnull #include "fns.h"
13 b3994ec5 2003-12-11 devnull /* for generating syms in mkfile only: */
14 b3994ec5 2003-12-11 devnull #include <bio.h>
15 b3994ec5 2003-12-11 devnull #include "edit.h"
16 b3994ec5 2003-12-11 devnull
17 b3994ec5 2003-12-11 devnull void mousethread(void*);
18 b3994ec5 2003-12-11 devnull void keyboardthread(void*);
19 b3994ec5 2003-12-11 devnull void waitthread(void*);
20 b3994ec5 2003-12-11 devnull void xfidallocthread(void*);
21 b3994ec5 2003-12-11 devnull void newwindowthread(void*);
22 b3994ec5 2003-12-11 devnull void plumbproc(void*);
23 b3994ec5 2003-12-11 devnull
24 b3994ec5 2003-12-11 devnull Reffont **fontcache;
25 b3994ec5 2003-12-11 devnull int nfontcache;
26 b3994ec5 2003-12-11 devnull char wdir[512] = ".";
27 b3994ec5 2003-12-11 devnull Reffont *reffonts[2];
28 b3994ec5 2003-12-11 devnull int snarffd = -1;
29 b3994ec5 2003-12-11 devnull int mainpid;
30 d8c78a8d 2005-01-10 devnull int swapscrollbuttons = FALSE;
31 b3994ec5 2003-12-11 devnull
32 b3994ec5 2003-12-11 devnull enum{
33 b3994ec5 2003-12-11 devnull NSnarf = 1000 /* less than 1024, I/O buffer size */
34 b3994ec5 2003-12-11 devnull };
35 b3994ec5 2003-12-11 devnull Rune snarfrune[NSnarf+1];
36 b3994ec5 2003-12-11 devnull
37 b3994ec5 2003-12-11 devnull char *fontnames[2] =
38 b3994ec5 2003-12-11 devnull {
39 b3994ec5 2003-12-11 devnull "/lib/font/bit/lucidasans/euro.8.font",
40 b3994ec5 2003-12-11 devnull "/lib/font/bit/lucm/unicode.9.font",
41 b3994ec5 2003-12-11 devnull };
42 b3994ec5 2003-12-11 devnull
43 b3994ec5 2003-12-11 devnull Command *command;
44 b3994ec5 2003-12-11 devnull
45 334cb1e9 2004-12-27 devnull void shutdownthread(void*);
46 b3994ec5 2003-12-11 devnull void acmeerrorinit(void);
47 b3994ec5 2003-12-11 devnull void readfile(Column*, char*);
48 4da83e7c 2004-03-05 devnull static int shutdown(void*, char*);
49 b3994ec5 2003-12-11 devnull
50 b3994ec5 2003-12-11 devnull void
51 b3994ec5 2003-12-11 devnull derror(Display *d, char *errorstr)
52 b3994ec5 2003-12-11 devnull {
53 b3994ec5 2003-12-11 devnull USED(d);
54 b3994ec5 2003-12-11 devnull error(errorstr);
55 b3994ec5 2003-12-11 devnull }
56 b3994ec5 2003-12-11 devnull
57 b3994ec5 2003-12-11 devnull void
58 b3994ec5 2003-12-11 devnull threadmain(int argc, char *argv[])
59 b3994ec5 2003-12-11 devnull {
60 b3994ec5 2003-12-11 devnull int i;
61 b3994ec5 2003-12-11 devnull char *p, *loadfile;
62 b3994ec5 2003-12-11 devnull Column *c;
63 b3994ec5 2003-12-11 devnull int ncol;
64 b3994ec5 2003-12-11 devnull Display *d;
65 b3994ec5 2003-12-11 devnull
66 b3994ec5 2003-12-11 devnull rfork(RFENVG|RFNAMEG);
67 b3994ec5 2003-12-11 devnull
68 b3994ec5 2003-12-11 devnull ncol = -1;
69 b3994ec5 2003-12-11 devnull
70 b3994ec5 2003-12-11 devnull loadfile = nil;
71 b3994ec5 2003-12-11 devnull ARGBEGIN{
72 d96da29b 2005-03-14 devnull case '$':
73 d96da29b 2005-03-14 devnull dodollarsigns = TRUE;
74 d96da29b 2005-03-14 devnull break;
75 012a8a02 2004-10-22 devnull case 'D':
76 012a8a02 2004-10-22 devnull {extern int _threaddebuglevel;
77 012a8a02 2004-10-22 devnull _threaddebuglevel = ~0;
78 012a8a02 2004-10-22 devnull }
79 012a8a02 2004-10-22 devnull break;
80 5a8e63b2 2004-02-29 devnull case 'a':
81 5a8e63b2 2004-02-29 devnull globalautoindent = TRUE;
82 5a8e63b2 2004-02-29 devnull break;
83 b3994ec5 2003-12-11 devnull case 'b':
84 b3994ec5 2003-12-11 devnull bartflag = TRUE;
85 b3994ec5 2003-12-11 devnull break;
86 b3994ec5 2003-12-11 devnull case 'c':
87 b3994ec5 2003-12-11 devnull p = ARGF();
88 b3994ec5 2003-12-11 devnull if(p == nil)
89 b3994ec5 2003-12-11 devnull goto Usage;
90 b3994ec5 2003-12-11 devnull ncol = atoi(p);
91 b3994ec5 2003-12-11 devnull if(ncol <= 0)
92 b3994ec5 2003-12-11 devnull goto Usage;
93 b3994ec5 2003-12-11 devnull break;
94 b3994ec5 2003-12-11 devnull case 'f':
95 b3994ec5 2003-12-11 devnull fontnames[0] = ARGF();
96 b3994ec5 2003-12-11 devnull if(fontnames[0] == nil)
97 b3994ec5 2003-12-11 devnull goto Usage;
98 b3994ec5 2003-12-11 devnull break;
99 b3994ec5 2003-12-11 devnull case 'F':
100 b3994ec5 2003-12-11 devnull fontnames[1] = ARGF();
101 b3994ec5 2003-12-11 devnull if(fontnames[1] == nil)
102 b3994ec5 2003-12-11 devnull goto Usage;
103 b3994ec5 2003-12-11 devnull break;
104 b3994ec5 2003-12-11 devnull case 'l':
105 b3994ec5 2003-12-11 devnull loadfile = ARGF();
106 b3994ec5 2003-12-11 devnull if(loadfile == nil)
107 b3994ec5 2003-12-11 devnull goto Usage;
108 b3994ec5 2003-12-11 devnull break;
109 d8c78a8d 2005-01-10 devnull case 'r':
110 d8c78a8d 2005-01-10 devnull swapscrollbuttons = TRUE;
111 d8c78a8d 2005-01-10 devnull break;
112 be36ff68 2004-04-29 devnull case 'W':
113 be36ff68 2004-04-29 devnull winsize = ARGF();
114 be36ff68 2004-04-29 devnull if(winsize == nil)
115 be36ff68 2004-04-29 devnull goto Usage;
116 be36ff68 2004-04-29 devnull break;
117 b3994ec5 2003-12-11 devnull default:
118 b3994ec5 2003-12-11 devnull Usage:
119 be36ff68 2004-04-29 devnull fprint(2, "usage: acme -a -c ncol -f fontname -F fixedwidthfontname -l loadfile -W winsize\n");
120 38c10d1a 2005-01-17 devnull threadexitsall("usage");
121 b3994ec5 2003-12-11 devnull }ARGEND
122 b3994ec5 2003-12-11 devnull
123 6d7fdb24 2004-12-27 devnull fontnames[0] = estrdup(fontnames[0]);
124 6d7fdb24 2004-12-27 devnull fontnames[1] = estrdup(fontnames[1]);
125 6d7fdb24 2004-12-27 devnull
126 c591e1e6 2004-04-25 devnull quotefmtinstall();
127 b3994ec5 2003-12-11 devnull cputype = getenv("cputype");
128 b3994ec5 2003-12-11 devnull objtype = getenv("objtype");
129 c8b6342d 2005-01-13 devnull home = getenv("HOME");
130 b3994ec5 2003-12-11 devnull p = getenv("tabstop");
131 b3994ec5 2003-12-11 devnull if(p != nil){
132 b3994ec5 2003-12-11 devnull maxtab = strtoul(p, nil, 0);
133 b3994ec5 2003-12-11 devnull free(p);
134 b3994ec5 2003-12-11 devnull }
135 b3994ec5 2003-12-11 devnull if(maxtab == 0)
136 b3994ec5 2003-12-11 devnull maxtab = 4;
137 b3994ec5 2003-12-11 devnull if(loadfile)
138 b3994ec5 2003-12-11 devnull rowloadfonts(loadfile);
139 b3994ec5 2003-12-11 devnull putenv("font", fontnames[0]);
140 b3994ec5 2003-12-11 devnull snarffd = open("/dev/snarf", OREAD|OCEXEC);
141 b3994ec5 2003-12-11 devnull /*
142 b3994ec5 2003-12-11 devnull if(cputype){
143 b3994ec5 2003-12-11 devnull sprint(buf, "/acme/bin/%s", cputype);
144 b3994ec5 2003-12-11 devnull bind(buf, "/bin", MBEFORE);
145 b3994ec5 2003-12-11 devnull }
146 b3994ec5 2003-12-11 devnull bind("/acme/bin", "/bin", MBEFORE);
147 b3994ec5 2003-12-11 devnull */
148 b3994ec5 2003-12-11 devnull getwd(wdir, sizeof wdir);
149 b3994ec5 2003-12-11 devnull
150 b3994ec5 2003-12-11 devnull /*
151 b3994ec5 2003-12-11 devnull if(geninitdraw(nil, derror, fontnames[0], "acme", nil, Refnone) < 0){
152 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't open display: %r\n");
153 38c10d1a 2005-01-17 devnull threadexitsall("geninitdraw");
154 b3994ec5 2003-12-11 devnull }
155 b3994ec5 2003-12-11 devnull */
156 b3994ec5 2003-12-11 devnull if(initdraw(derror, fontnames[0], "acme") < 0){
157 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't open display: %r\n");
158 38c10d1a 2005-01-17 devnull threadexitsall("initdraw");
159 b3994ec5 2003-12-11 devnull }
160 b3994ec5 2003-12-11 devnull
161 b3994ec5 2003-12-11 devnull d = display;
162 b3994ec5 2003-12-11 devnull font = d->defaultfont;
163 c1973705 2004-02-09 devnull //assert(font);
164 b3994ec5 2003-12-11 devnull
165 b3994ec5 2003-12-11 devnull reffont.f = font;
166 b3994ec5 2003-12-11 devnull reffonts[0] = &reffont;
167 b3994ec5 2003-12-11 devnull incref(&reffont.ref); /* one to hold up 'font' variable */
168 b3994ec5 2003-12-11 devnull incref(&reffont.ref); /* one to hold up reffonts[0] */
169 b3994ec5 2003-12-11 devnull fontcache = emalloc(sizeof(Reffont*));
170 b3994ec5 2003-12-11 devnull nfontcache = 1;
171 b3994ec5 2003-12-11 devnull fontcache[0] = &reffont;
172 b3994ec5 2003-12-11 devnull
173 b3994ec5 2003-12-11 devnull iconinit();
174 b3994ec5 2003-12-11 devnull timerinit();
175 b3994ec5 2003-12-11 devnull rxinit();
176 b3994ec5 2003-12-11 devnull
177 b3994ec5 2003-12-11 devnull cwait = threadwaitchan();
178 b3994ec5 2003-12-11 devnull ccommand = chancreate(sizeof(Command**), 0);
179 334cb1e9 2004-12-27 devnull chansetname(ccommand, "ccommand");
180 b3994ec5 2003-12-11 devnull ckill = chancreate(sizeof(Rune*), 0);
181 334cb1e9 2004-12-27 devnull chansetname(ckill, "ckill");
182 b3994ec5 2003-12-11 devnull cxfidalloc = chancreate(sizeof(Xfid*), 0);
183 334cb1e9 2004-12-27 devnull chansetname(cxfidalloc, "cxfidalloc");
184 b3994ec5 2003-12-11 devnull cxfidfree = chancreate(sizeof(Xfid*), 0);
185 334cb1e9 2004-12-27 devnull chansetname(cxfidfree, "cxfidfree");
186 b3994ec5 2003-12-11 devnull cnewwindow = chancreate(sizeof(Channel*), 0);
187 334cb1e9 2004-12-27 devnull chansetname(cnewwindow, "cnewwindow");
188 b3994ec5 2003-12-11 devnull cerr = chancreate(sizeof(char*), 0);
189 334cb1e9 2004-12-27 devnull chansetname(cerr, "cerr");
190 b3994ec5 2003-12-11 devnull cedit = chancreate(sizeof(int), 0);
191 334cb1e9 2004-12-27 devnull chansetname(cedit, "cedit");
192 b3994ec5 2003-12-11 devnull cexit = chancreate(sizeof(int), 0);
193 334cb1e9 2004-12-27 devnull chansetname(cexit, "cexit");
194 8ad51794 2004-03-25 devnull cwarn = chancreate(sizeof(void*), 1);
195 334cb1e9 2004-12-27 devnull chansetname(cwarn, "cwarn");
196 8ad51794 2004-03-25 devnull if(cwait==nil || ccommand==nil || ckill==nil || cxfidalloc==nil || cxfidfree==nil || cerr==nil || cexit==nil || cwarn==nil){
197 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't create initial channels: %r\n");
198 38c10d1a 2005-01-17 devnull threadexitsall("channels");
199 b3994ec5 2003-12-11 devnull }
200 b3994ec5 2003-12-11 devnull
201 b3994ec5 2003-12-11 devnull mousectl = initmouse(nil, screen);
202 b3994ec5 2003-12-11 devnull if(mousectl == nil){
203 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't initialize mouse: %r\n");
204 38c10d1a 2005-01-17 devnull threadexitsall("mouse");
205 b3994ec5 2003-12-11 devnull }
206 b3994ec5 2003-12-11 devnull mouse = &mousectl->m;
207 b3994ec5 2003-12-11 devnull keyboardctl = initkeyboard(nil);
208 b3994ec5 2003-12-11 devnull if(keyboardctl == nil){
209 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't initialize keyboard: %r\n");
210 38c10d1a 2005-01-17 devnull threadexitsall("keyboard");
211 b3994ec5 2003-12-11 devnull }
212 b3994ec5 2003-12-11 devnull mainpid = getpid();
213 2277c5d7 2004-03-21 devnull startplumbing();
214 2277c5d7 2004-03-21 devnull /*
215 b3994ec5 2003-12-11 devnull plumbeditfd = plumbopen("edit", OREAD|OCEXEC);
216 b3994ec5 2003-12-11 devnull if(plumbeditfd < 0)
217 b3994ec5 2003-12-11 devnull fprint(2, "acme: can't initialize plumber: %r\n");
218 b3994ec5 2003-12-11 devnull else{
219 b3994ec5 2003-12-11 devnull cplumb = chancreate(sizeof(Plumbmsg*), 0);
220 5a8e63b2 2004-02-29 devnull threadcreate(plumbproc, nil, STACK);
221 b3994ec5 2003-12-11 devnull }
222 b3994ec5 2003-12-11 devnull plumbsendfd = plumbopen("send", OWRITE|OCEXEC);
223 2277c5d7 2004-03-21 devnull */
224 b3994ec5 2003-12-11 devnull
225 b3994ec5 2003-12-11 devnull fsysinit();
226 b3994ec5 2003-12-11 devnull
227 b3994ec5 2003-12-11 devnull #define WPERCOL 8
228 b3994ec5 2003-12-11 devnull disk = diskinit();
229 6d7fdb24 2004-12-27 devnull if(!loadfile || !rowload(&row, loadfile, TRUE)){
230 b3994ec5 2003-12-11 devnull rowinit(&row, screen->clipr);
231 b3994ec5 2003-12-11 devnull if(ncol < 0){
232 b3994ec5 2003-12-11 devnull if(argc == 0)
233 b3994ec5 2003-12-11 devnull ncol = 2;
234 b3994ec5 2003-12-11 devnull else{
235 b3994ec5 2003-12-11 devnull ncol = (argc+(WPERCOL-1))/WPERCOL;
236 b3994ec5 2003-12-11 devnull if(ncol < 2)
237 b3994ec5 2003-12-11 devnull ncol = 2;
238 b3994ec5 2003-12-11 devnull }
239 b3994ec5 2003-12-11 devnull }
240 b3994ec5 2003-12-11 devnull if(ncol == 0)
241 b3994ec5 2003-12-11 devnull ncol = 2;
242 b3994ec5 2003-12-11 devnull for(i=0; i<ncol; i++){
243 b3994ec5 2003-12-11 devnull c = rowadd(&row, nil, -1);
244 b3994ec5 2003-12-11 devnull if(c==nil && i==0)
245 b3994ec5 2003-12-11 devnull error("initializing columns");
246 b3994ec5 2003-12-11 devnull }
247 b3994ec5 2003-12-11 devnull c = row.col[row.ncol-1];
248 b3994ec5 2003-12-11 devnull if(argc == 0)
249 b3994ec5 2003-12-11 devnull readfile(c, wdir);
250 b3994ec5 2003-12-11 devnull else
251 b3994ec5 2003-12-11 devnull for(i=0; i<argc; i++){
252 b3994ec5 2003-12-11 devnull p = utfrrune(argv[i], '/');
253 b3994ec5 2003-12-11 devnull if((p!=nil && strcmp(p, "/guide")==0) || i/WPERCOL>=row.ncol)
254 b3994ec5 2003-12-11 devnull readfile(c, argv[i]);
255 b3994ec5 2003-12-11 devnull else
256 b3994ec5 2003-12-11 devnull readfile(row.col[i/WPERCOL], argv[i]);
257 b3994ec5 2003-12-11 devnull }
258 b3994ec5 2003-12-11 devnull }
259 b3994ec5 2003-12-11 devnull flushimage(display, 1);
260 b3994ec5 2003-12-11 devnull
261 b3994ec5 2003-12-11 devnull acmeerrorinit();
262 b3994ec5 2003-12-11 devnull threadcreate(keyboardthread, nil, STACK);
263 b3994ec5 2003-12-11 devnull threadcreate(mousethread, nil, STACK);
264 b3994ec5 2003-12-11 devnull threadcreate(waitthread, nil, STACK);
265 b3994ec5 2003-12-11 devnull threadcreate(xfidallocthread, nil, STACK);
266 b3994ec5 2003-12-11 devnull threadcreate(newwindowthread, nil, STACK);
267 334cb1e9 2004-12-27 devnull /* threadcreate(shutdownthread, nil, STACK); */
268 93a6f8d7 2005-01-04 devnull threadnotify(shutdown, 1);
269 b3994ec5 2003-12-11 devnull recvul(cexit);
270 b3994ec5 2003-12-11 devnull killprocs();
271 b3994ec5 2003-12-11 devnull threadexitsall(nil);
272 b3994ec5 2003-12-11 devnull }
273 b3994ec5 2003-12-11 devnull
274 b3994ec5 2003-12-11 devnull void
275 b3994ec5 2003-12-11 devnull readfile(Column *c, char *s)
276 b3994ec5 2003-12-11 devnull {
277 b3994ec5 2003-12-11 devnull Window *w;
278 b3994ec5 2003-12-11 devnull Rune rb[256];
279 b3994ec5 2003-12-11 devnull int nb, nr;
280 b3994ec5 2003-12-11 devnull Runestr rs;
281 b3994ec5 2003-12-11 devnull
282 b3994ec5 2003-12-11 devnull w = coladd(c, nil, nil, -1);
283 b3994ec5 2003-12-11 devnull cvttorunes(s, strlen(s), rb, &nb, &nr, nil);
284 8ad51794 2004-03-25 devnull rs = cleanrname(runestr(rb, nr));
285 b3994ec5 2003-12-11 devnull winsetname(w, rs.r, rs.nr);
286 b3994ec5 2003-12-11 devnull textload(&w->body, 0, s, 1);
287 b3994ec5 2003-12-11 devnull w->body.file->mod = FALSE;
288 b3994ec5 2003-12-11 devnull w->dirty = FALSE;
289 b3994ec5 2003-12-11 devnull winsettag(w);
290 b3994ec5 2003-12-11 devnull textscrdraw(&w->body);
291 b3994ec5 2003-12-11 devnull textsetselect(&w->tag, w->tag.file->b.nc, w->tag.file->b.nc);
292 b3994ec5 2003-12-11 devnull }
293 b3994ec5 2003-12-11 devnull
294 429f8aa4 2005-02-15 devnull char *ignotes[] = {
295 429f8aa4 2005-02-15 devnull "sys: write on closed pipe",
296 429f8aa4 2005-02-15 devnull "sys: ttin",
297 429f8aa4 2005-02-15 devnull "sys: ttou",
298 429f8aa4 2005-02-15 devnull "sys: tstp",
299 429f8aa4 2005-02-15 devnull nil
300 429f8aa4 2005-02-15 devnull };
301 429f8aa4 2005-02-15 devnull
302 b3994ec5 2003-12-11 devnull char *oknotes[] ={
303 b3994ec5 2003-12-11 devnull "delete",
304 b3994ec5 2003-12-11 devnull "hangup",
305 b3994ec5 2003-12-11 devnull "kill",
306 b3994ec5 2003-12-11 devnull "exit",
307 b3994ec5 2003-12-11 devnull nil
308 b3994ec5 2003-12-11 devnull };
309 b3994ec5 2003-12-11 devnull
310 b3994ec5 2003-12-11 devnull int dumping;
311 b3994ec5 2003-12-11 devnull
312 4da83e7c 2004-03-05 devnull static int
313 b3994ec5 2003-12-11 devnull shutdown(void *v, char *msg)
314 b3994ec5 2003-12-11 devnull {
315 b3994ec5 2003-12-11 devnull int i;
316 b3994ec5 2003-12-11 devnull
317 b3994ec5 2003-12-11 devnull USED(v);
318 429f8aa4 2005-02-15 devnull
319 429f8aa4 2005-02-15 devnull for(i=0; ignotes[i]; i++)
320 429f8aa4 2005-02-15 devnull if(strncmp(ignotes[i], msg, strlen(ignotes[i])) == 0)
321 429f8aa4 2005-02-15 devnull return 1;
322 429f8aa4 2005-02-15 devnull
323 b3994ec5 2003-12-11 devnull killprocs();
324 b3994ec5 2003-12-11 devnull if(!dumping && strcmp(msg, "kill")!=0 && strcmp(msg, "exit")!=0 && getpid()==mainpid){
325 b3994ec5 2003-12-11 devnull dumping = TRUE;
326 b3994ec5 2003-12-11 devnull rowdump(&row, nil);
327 b3994ec5 2003-12-11 devnull }
328 b3994ec5 2003-12-11 devnull for(i=0; oknotes[i]; i++)
329 b3994ec5 2003-12-11 devnull if(strncmp(oknotes[i], msg, strlen(oknotes[i])) == 0)
330 b3994ec5 2003-12-11 devnull threadexitsall(msg);
331 b3994ec5 2003-12-11 devnull print("acme: %s\n", msg);
332 b3994ec5 2003-12-11 devnull return 0;
333 b3994ec5 2003-12-11 devnull }
334 b3994ec5 2003-12-11 devnull
335 334cb1e9 2004-12-27 devnull /*
336 b3994ec5 2003-12-11 devnull void
337 334cb1e9 2004-12-27 devnull shutdownthread(void *v)
338 334cb1e9 2004-12-27 devnull {
339 334cb1e9 2004-12-27 devnull char *msg;
340 334cb1e9 2004-12-27 devnull Channel *c;
341 334cb1e9 2004-12-27 devnull
342 334cb1e9 2004-12-27 devnull USED(v);
343 334cb1e9 2004-12-27 devnull
344 334cb1e9 2004-12-27 devnull c = threadnotechan();
345 334cb1e9 2004-12-27 devnull while((msg = recvp(c)) != nil)
346 334cb1e9 2004-12-27 devnull shutdown(nil, msg);
347 334cb1e9 2004-12-27 devnull }
348 334cb1e9 2004-12-27 devnull */
349 334cb1e9 2004-12-27 devnull
350 334cb1e9 2004-12-27 devnull void
351 b3994ec5 2003-12-11 devnull killprocs(void)
352 b3994ec5 2003-12-11 devnull {
353 b3994ec5 2003-12-11 devnull Command *c;
354 b3994ec5 2003-12-11 devnull
355 b3994ec5 2003-12-11 devnull fsysclose();
356 b3994ec5 2003-12-11 devnull // if(display)
357 b3994ec5 2003-12-11 devnull // flushimage(display, 1);
358 b3994ec5 2003-12-11 devnull
359 b3994ec5 2003-12-11 devnull for(c=command; c; c=c->next)
360 b3994ec5 2003-12-11 devnull postnote(PNGROUP, c->pid, "hangup");
361 b3994ec5 2003-12-11 devnull }
362 b3994ec5 2003-12-11 devnull
363 b3994ec5 2003-12-11 devnull static int errorfd;
364 b3994ec5 2003-12-11 devnull int erroutfd;
365 b3994ec5 2003-12-11 devnull
366 b3994ec5 2003-12-11 devnull void
367 b3994ec5 2003-12-11 devnull acmeerrorproc(void *v)
368 b3994ec5 2003-12-11 devnull {
369 b3994ec5 2003-12-11 devnull char *buf;
370 b3994ec5 2003-12-11 devnull int n;
371 b3994ec5 2003-12-11 devnull
372 b3994ec5 2003-12-11 devnull USED(v);
373 b3994ec5 2003-12-11 devnull threadsetname("acmeerrorproc");
374 b3994ec5 2003-12-11 devnull buf = emalloc(8192+1);
375 334cb1e9 2004-12-27 devnull while((n=read(errorfd, buf, 8192)) >= 0){
376 b3994ec5 2003-12-11 devnull buf[n] = '\0';
377 b3994ec5 2003-12-11 devnull sendp(cerr, estrdup(buf));
378 b3994ec5 2003-12-11 devnull }
379 b3994ec5 2003-12-11 devnull }
380 b3994ec5 2003-12-11 devnull
381 b3994ec5 2003-12-11 devnull void
382 b3994ec5 2003-12-11 devnull acmeerrorinit(void)
383 b3994ec5 2003-12-11 devnull {
384 5a8e63b2 2004-02-29 devnull int pfd[2];
385 b3994ec5 2003-12-11 devnull
386 b3994ec5 2003-12-11 devnull if(pipe(pfd) < 0)
387 b3994ec5 2003-12-11 devnull error("can't create pipe");
388 b3994ec5 2003-12-11 devnull #if 0
389 b3994ec5 2003-12-11 devnull sprint(acmeerrorfile, "/srv/acme.%s.%d", getuser(), mainpid);
390 b3994ec5 2003-12-11 devnull fd = create(acmeerrorfile, OWRITE, 0666);
391 b3994ec5 2003-12-11 devnull if(fd < 0){
392 b3994ec5 2003-12-11 devnull remove(acmeerrorfile);
393 b3994ec5 2003-12-11 devnull fd = create(acmeerrorfile, OWRITE, 0666);
394 b3994ec5 2003-12-11 devnull if(fd < 0)
395 b3994ec5 2003-12-11 devnull error("can't create acmeerror file");
396 b3994ec5 2003-12-11 devnull }
397 b3994ec5 2003-12-11 devnull sprint(buf, "%d", pfd[0]);
398 b3994ec5 2003-12-11 devnull write(fd, buf, strlen(buf));
399 b3994ec5 2003-12-11 devnull close(fd);
400 b3994ec5 2003-12-11 devnull /* reopen pfd[1] close on exec */
401 b3994ec5 2003-12-11 devnull sprint(buf, "/fd/%d", pfd[1]);
402 b3994ec5 2003-12-11 devnull errorfd = open(buf, OREAD|OCEXEC);
403 b3994ec5 2003-12-11 devnull #endif
404 b3994ec5 2003-12-11 devnull fcntl(pfd[0], F_SETFD, FD_CLOEXEC);
405 b3994ec5 2003-12-11 devnull fcntl(pfd[1], F_SETFD, FD_CLOEXEC);
406 b3994ec5 2003-12-11 devnull erroutfd = pfd[0];
407 b3994ec5 2003-12-11 devnull errorfd = pfd[1];
408 b3994ec5 2003-12-11 devnull if(errorfd < 0)
409 b3994ec5 2003-12-11 devnull error("can't re-open acmeerror file");
410 334cb1e9 2004-12-27 devnull proccreate(acmeerrorproc, nil, STACK);
411 b3994ec5 2003-12-11 devnull }
412 b3994ec5 2003-12-11 devnull
413 2277c5d7 2004-03-21 devnull /*
414 b3994ec5 2003-12-11 devnull void
415 b3994ec5 2003-12-11 devnull plumbproc(void *v)
416 b3994ec5 2003-12-11 devnull {
417 b3994ec5 2003-12-11 devnull Plumbmsg *m;
418 b3994ec5 2003-12-11 devnull
419 b3994ec5 2003-12-11 devnull USED(v);
420 b3994ec5 2003-12-11 devnull threadsetname("plumbproc");
421 b3994ec5 2003-12-11 devnull for(;;){
422 5a8e63b2 2004-02-29 devnull m = threadplumbrecv(plumbeditfd);
423 b3994ec5 2003-12-11 devnull if(m == nil)
424 b3994ec5 2003-12-11 devnull threadexits(nil);
425 b3994ec5 2003-12-11 devnull sendp(cplumb, m);
426 b3994ec5 2003-12-11 devnull }
427 b3994ec5 2003-12-11 devnull }
428 2277c5d7 2004-03-21 devnull */
429 b3994ec5 2003-12-11 devnull
430 b3994ec5 2003-12-11 devnull void
431 b3994ec5 2003-12-11 devnull keyboardthread(void *v)
432 b3994ec5 2003-12-11 devnull {
433 b3994ec5 2003-12-11 devnull Rune r;
434 b3994ec5 2003-12-11 devnull Timer *timer;
435 b3994ec5 2003-12-11 devnull Text *t;
436 b3994ec5 2003-12-11 devnull enum { KTimer, KKey, NKALT };
437 b3994ec5 2003-12-11 devnull static Alt alts[NKALT+1];
438 b3994ec5 2003-12-11 devnull
439 b3994ec5 2003-12-11 devnull USED(v);
440 b3994ec5 2003-12-11 devnull alts[KTimer].c = nil;
441 b3994ec5 2003-12-11 devnull alts[KTimer].v = nil;
442 b3994ec5 2003-12-11 devnull alts[KTimer].op = CHANNOP;
443 b3994ec5 2003-12-11 devnull alts[KKey].c = keyboardctl->c;
444 b3994ec5 2003-12-11 devnull alts[KKey].v = &r;
445 b3994ec5 2003-12-11 devnull alts[KKey].op = CHANRCV;
446 b3994ec5 2003-12-11 devnull alts[NKALT].op = CHANEND;
447 b3994ec5 2003-12-11 devnull
448 b3994ec5 2003-12-11 devnull timer = nil;
449 b3994ec5 2003-12-11 devnull typetext = nil;
450 b3994ec5 2003-12-11 devnull threadsetname("keyboardthread");
451 b3994ec5 2003-12-11 devnull for(;;){
452 b3994ec5 2003-12-11 devnull switch(alt(alts)){
453 b3994ec5 2003-12-11 devnull case KTimer:
454 b3994ec5 2003-12-11 devnull timerstop(timer);
455 b3994ec5 2003-12-11 devnull t = typetext;
456 b3994ec5 2003-12-11 devnull if(t!=nil && t->what==Tag){
457 b3994ec5 2003-12-11 devnull winlock(t->w, 'K');
458 b3994ec5 2003-12-11 devnull wincommit(t->w, t);
459 b3994ec5 2003-12-11 devnull winunlock(t->w);
460 b3994ec5 2003-12-11 devnull flushimage(display, 1);
461 b3994ec5 2003-12-11 devnull }
462 b3994ec5 2003-12-11 devnull alts[KTimer].c = nil;
463 b3994ec5 2003-12-11 devnull alts[KTimer].op = CHANNOP;
464 b3994ec5 2003-12-11 devnull break;
465 b3994ec5 2003-12-11 devnull case KKey:
466 b3994ec5 2003-12-11 devnull casekeyboard:
467 b3994ec5 2003-12-11 devnull typetext = rowtype(&row, r, mouse->xy);
468 b3994ec5 2003-12-11 devnull t = typetext;
469 b3994ec5 2003-12-11 devnull if(t!=nil && t->col!=nil && !(r==Kdown || r==Kleft || r==Kright)) /* scrolling doesn't change activecol */
470 b3994ec5 2003-12-11 devnull activecol = t->col;
471 b3994ec5 2003-12-11 devnull if(t!=nil && t->w!=nil)
472 b3994ec5 2003-12-11 devnull t->w->body.file->curtext = &t->w->body;
473 b3994ec5 2003-12-11 devnull if(timer != nil)
474 b3994ec5 2003-12-11 devnull timercancel(timer);
475 b3994ec5 2003-12-11 devnull if(t!=nil && t->what==Tag) {
476 b3994ec5 2003-12-11 devnull timer = timerstart(500);
477 b3994ec5 2003-12-11 devnull alts[KTimer].c = timer->c;
478 b3994ec5 2003-12-11 devnull alts[KTimer].op = CHANRCV;
479 b3994ec5 2003-12-11 devnull }else{
480 b3994ec5 2003-12-11 devnull timer = nil;
481 b3994ec5 2003-12-11 devnull alts[KTimer].c = nil;
482 b3994ec5 2003-12-11 devnull alts[KTimer].op = CHANNOP;
483 b3994ec5 2003-12-11 devnull }
484 b3994ec5 2003-12-11 devnull if(nbrecv(keyboardctl->c, &r) > 0)
485 b3994ec5 2003-12-11 devnull goto casekeyboard;
486 b3994ec5 2003-12-11 devnull flushimage(display, 1);
487 b3994ec5 2003-12-11 devnull break;
488 b3994ec5 2003-12-11 devnull }
489 b3994ec5 2003-12-11 devnull }
490 b3994ec5 2003-12-11 devnull }
491 b3994ec5 2003-12-11 devnull
492 b3994ec5 2003-12-11 devnull void
493 b3994ec5 2003-12-11 devnull mousethread(void *v)
494 b3994ec5 2003-12-11 devnull {
495 b3994ec5 2003-12-11 devnull Text *t, *argt;
496 b3994ec5 2003-12-11 devnull int but;
497 b3994ec5 2003-12-11 devnull uint q0, q1;
498 b3994ec5 2003-12-11 devnull Window *w;
499 b3994ec5 2003-12-11 devnull Plumbmsg *pm;
500 b3994ec5 2003-12-11 devnull Mouse m;
501 b3994ec5 2003-12-11 devnull char *act;
502 8ad51794 2004-03-25 devnull enum { MResize, MMouse, MPlumb, MWarnings, NMALT };
503 b3994ec5 2003-12-11 devnull static Alt alts[NMALT+1];
504 b3994ec5 2003-12-11 devnull
505 b3994ec5 2003-12-11 devnull USED(v);
506 b3994ec5 2003-12-11 devnull threadsetname("mousethread");
507 b3994ec5 2003-12-11 devnull alts[MResize].c = mousectl->resizec;
508 b3994ec5 2003-12-11 devnull alts[MResize].v = nil;
509 b3994ec5 2003-12-11 devnull alts[MResize].op = CHANRCV;
510 b3994ec5 2003-12-11 devnull alts[MMouse].c = mousectl->c;
511 b3994ec5 2003-12-11 devnull alts[MMouse].v = &mousectl->m;
512 b3994ec5 2003-12-11 devnull alts[MMouse].op = CHANRCV;
513 b3994ec5 2003-12-11 devnull alts[MPlumb].c = cplumb;
514 b3994ec5 2003-12-11 devnull alts[MPlumb].v = &pm;
515 b3994ec5 2003-12-11 devnull alts[MPlumb].op = CHANRCV;
516 8ad51794 2004-03-25 devnull alts[MWarnings].c = cwarn;
517 8ad51794 2004-03-25 devnull alts[MWarnings].v = nil;
518 8ad51794 2004-03-25 devnull alts[MWarnings].op = CHANRCV;
519 b3994ec5 2003-12-11 devnull if(cplumb == nil)
520 b3994ec5 2003-12-11 devnull alts[MPlumb].op = CHANNOP;
521 b3994ec5 2003-12-11 devnull alts[NMALT].op = CHANEND;
522 b3994ec5 2003-12-11 devnull
523 b3994ec5 2003-12-11 devnull for(;;){
524 8ad51794 2004-03-25 devnull qlock(&row.lk);
525 8ad51794 2004-03-25 devnull flushwarnings();
526 8ad51794 2004-03-25 devnull qunlock(&row.lk);
527 8ad51794 2004-03-25 devnull flushimage(display, 1);
528 b3994ec5 2003-12-11 devnull switch(alt(alts)){
529 b3994ec5 2003-12-11 devnull case MResize:
530 b3994ec5 2003-12-11 devnull if(getwindow(display, Refnone) < 0)
531 b3994ec5 2003-12-11 devnull error("attach to window");
532 b3994ec5 2003-12-11 devnull draw(screen, screen->r, display->white, nil, ZP);
533 b3994ec5 2003-12-11 devnull scrlresize();
534 b3994ec5 2003-12-11 devnull rowresize(&row, screen->clipr);
535 b3994ec5 2003-12-11 devnull break;
536 b3994ec5 2003-12-11 devnull case MPlumb:
537 b3994ec5 2003-12-11 devnull if(strcmp(pm->type, "text") == 0){
538 b3994ec5 2003-12-11 devnull act = plumblookup(pm->attr, "action");
539 b3994ec5 2003-12-11 devnull if(act==nil || strcmp(act, "showfile")==0)
540 b3994ec5 2003-12-11 devnull plumblook(pm);
541 b3994ec5 2003-12-11 devnull else if(strcmp(act, "showdata")==0)
542 b3994ec5 2003-12-11 devnull plumbshow(pm);
543 b3994ec5 2003-12-11 devnull }
544 8ad51794 2004-03-25 devnull plumbfree(pm);
545 b3994ec5 2003-12-11 devnull break;
546 8ad51794 2004-03-25 devnull case MWarnings:
547 8ad51794 2004-03-25 devnull break;
548 b3994ec5 2003-12-11 devnull case MMouse:
549 b3994ec5 2003-12-11 devnull /*
550 b3994ec5 2003-12-11 devnull * Make a copy so decisions are consistent; mousectl changes
551 b3994ec5 2003-12-11 devnull * underfoot. Can't just receive into m because this introduces
552 b3994ec5 2003-12-11 devnull * another race; see /sys/src/libdraw/mouse.c.
553 b3994ec5 2003-12-11 devnull */
554 b3994ec5 2003-12-11 devnull m = mousectl->m;
555 b3994ec5 2003-12-11 devnull qlock(&row.lk);
556 b3994ec5 2003-12-11 devnull t = rowwhich(&row, m.xy);
557 b3994ec5 2003-12-11 devnull if(t!=mousetext && mousetext!=nil && mousetext->w!=nil){
558 b3994ec5 2003-12-11 devnull winlock(mousetext->w, 'M');
559 b3994ec5 2003-12-11 devnull mousetext->eq0 = ~0;
560 b3994ec5 2003-12-11 devnull wincommit(mousetext->w, mousetext);
561 b3994ec5 2003-12-11 devnull winunlock(mousetext->w);
562 b3994ec5 2003-12-11 devnull }
563 b3994ec5 2003-12-11 devnull mousetext = t;
564 b3994ec5 2003-12-11 devnull if(t == nil)
565 b3994ec5 2003-12-11 devnull goto Continue;
566 b3994ec5 2003-12-11 devnull w = t->w;
567 b3994ec5 2003-12-11 devnull if(t==nil || m.buttons==0)
568 b3994ec5 2003-12-11 devnull goto Continue;
569 b3994ec5 2003-12-11 devnull but = 0;
570 b3994ec5 2003-12-11 devnull if(m.buttons == 1)
571 b3994ec5 2003-12-11 devnull but = 1;
572 b3994ec5 2003-12-11 devnull else if(m.buttons == 2)
573 b3994ec5 2003-12-11 devnull but = 2;
574 b3994ec5 2003-12-11 devnull else if(m.buttons == 4)
575 b3994ec5 2003-12-11 devnull but = 3;
576 b3994ec5 2003-12-11 devnull barttext = t;
577 b3994ec5 2003-12-11 devnull if(t->what==Body && ptinrect(m.xy, t->scrollr)){
578 b3994ec5 2003-12-11 devnull if(but){
579 d8c78a8d 2005-01-10 devnull if(swapscrollbuttons){
580 d8c78a8d 2005-01-10 devnull if(but == 1)
581 d8c78a8d 2005-01-10 devnull but = 3;
582 d8c78a8d 2005-01-10 devnull else if(but == 3)
583 d8c78a8d 2005-01-10 devnull but = 1;
584 d8c78a8d 2005-01-10 devnull }
585 b3994ec5 2003-12-11 devnull winlock(w, 'M');
586 b3994ec5 2003-12-11 devnull t->eq0 = ~0;
587 b3994ec5 2003-12-11 devnull textscroll(t, but);
588 b3994ec5 2003-12-11 devnull winunlock(w);
589 b3994ec5 2003-12-11 devnull }
590 c16f1f73 2004-06-09 devnull goto Continue;
591 c16f1f73 2004-06-09 devnull }
592 c16f1f73 2004-06-09 devnull /* scroll buttons, wheels, etc. */
593 c16f1f73 2004-06-09 devnull if(t->what==Body && w != nil && (m.buttons & (8|16))){
594 c16f1f73 2004-06-09 devnull if(m.buttons & 8)
595 c16f1f73 2004-06-09 devnull but = Kscrolloneup;
596 c16f1f73 2004-06-09 devnull else
597 c16f1f73 2004-06-09 devnull but = Kscrollonedown;
598 c16f1f73 2004-06-09 devnull winlock(w, 'M');
599 c16f1f73 2004-06-09 devnull t->eq0 = ~0;
600 c16f1f73 2004-06-09 devnull texttype(t, but);
601 c16f1f73 2004-06-09 devnull winunlock(w);
602 b3994ec5 2003-12-11 devnull goto Continue;
603 b3994ec5 2003-12-11 devnull }
604 b3994ec5 2003-12-11 devnull if(ptinrect(m.xy, t->scrollr)){
605 b3994ec5 2003-12-11 devnull if(but){
606 b3994ec5 2003-12-11 devnull if(t->what == Columntag)
607 b3994ec5 2003-12-11 devnull rowdragcol(&row, t->col, but);
608 b3994ec5 2003-12-11 devnull else if(t->what == Tag){
609 b3994ec5 2003-12-11 devnull coldragwin(t->col, t->w, but);
610 b3994ec5 2003-12-11 devnull if(t->w)
611 b3994ec5 2003-12-11 devnull barttext = &t->w->body;
612 b3994ec5 2003-12-11 devnull }
613 b3994ec5 2003-12-11 devnull if(t->col)
614 b3994ec5 2003-12-11 devnull activecol = t->col;
615 b3994ec5 2003-12-11 devnull }
616 b3994ec5 2003-12-11 devnull goto Continue;
617 b3994ec5 2003-12-11 devnull }
618 b3994ec5 2003-12-11 devnull if(m.buttons){
619 b3994ec5 2003-12-11 devnull if(w)
620 b3994ec5 2003-12-11 devnull winlock(w, 'M');
621 b3994ec5 2003-12-11 devnull t->eq0 = ~0;
622 b3994ec5 2003-12-11 devnull if(w)
623 b3994ec5 2003-12-11 devnull wincommit(w, t);
624 b3994ec5 2003-12-11 devnull else
625 b3994ec5 2003-12-11 devnull textcommit(t, TRUE);
626 b3994ec5 2003-12-11 devnull if(m.buttons & 1){
627 b3994ec5 2003-12-11 devnull textselect(t);
628 b3994ec5 2003-12-11 devnull if(w)
629 b3994ec5 2003-12-11 devnull winsettag(w);
630 b3994ec5 2003-12-11 devnull argtext = t;
631 b3994ec5 2003-12-11 devnull seltext = t;
632 b3994ec5 2003-12-11 devnull if(t->col)
633 b3994ec5 2003-12-11 devnull activecol = t->col; /* button 1 only */
634 b3994ec5 2003-12-11 devnull if(t->w!=nil && t==&t->w->body)
635 b3994ec5 2003-12-11 devnull activewin = t->w;
636 b3994ec5 2003-12-11 devnull }else if(m.buttons & 2){
637 b3994ec5 2003-12-11 devnull if(textselect2(t, &q0, &q1, &argt))
638 b3994ec5 2003-12-11 devnull execute(t, q0, q1, FALSE, argt);
639 b3994ec5 2003-12-11 devnull }else if(m.buttons & 4){
640 b3994ec5 2003-12-11 devnull if(textselect3(t, &q0, &q1))
641 b3994ec5 2003-12-11 devnull look3(t, q0, q1, FALSE);
642 b3994ec5 2003-12-11 devnull }
643 b3994ec5 2003-12-11 devnull if(w)
644 b3994ec5 2003-12-11 devnull winunlock(w);
645 b3994ec5 2003-12-11 devnull goto Continue;
646 b3994ec5 2003-12-11 devnull }
647 b3994ec5 2003-12-11 devnull Continue:
648 b3994ec5 2003-12-11 devnull qunlock(&row.lk);
649 b3994ec5 2003-12-11 devnull break;
650 b3994ec5 2003-12-11 devnull }
651 b3994ec5 2003-12-11 devnull }
652 b3994ec5 2003-12-11 devnull }
653 b3994ec5 2003-12-11 devnull
654 b3994ec5 2003-12-11 devnull /*
655 b3994ec5 2003-12-11 devnull * There is a race between process exiting and our finding out it was ever created.
656 b3994ec5 2003-12-11 devnull * This structure keeps a list of processes that have exited we haven't heard of.
657 b3994ec5 2003-12-11 devnull */
658 b3994ec5 2003-12-11 devnull typedef struct Pid Pid;
659 b3994ec5 2003-12-11 devnull struct Pid
660 b3994ec5 2003-12-11 devnull {
661 b3994ec5 2003-12-11 devnull int pid;
662 b3994ec5 2003-12-11 devnull char msg[ERRMAX];
663 b3994ec5 2003-12-11 devnull Pid *next;
664 b3994ec5 2003-12-11 devnull };
665 b3994ec5 2003-12-11 devnull
666 b3994ec5 2003-12-11 devnull void
667 b3994ec5 2003-12-11 devnull waitthread(void *v)
668 b3994ec5 2003-12-11 devnull {
669 b3994ec5 2003-12-11 devnull Waitmsg *w;
670 b3994ec5 2003-12-11 devnull Command *c, *lc;
671 b3994ec5 2003-12-11 devnull uint pid;
672 b3994ec5 2003-12-11 devnull int found, ncmd;
673 b3994ec5 2003-12-11 devnull Rune *cmd;
674 b3994ec5 2003-12-11 devnull char *err;
675 b3994ec5 2003-12-11 devnull Text *t;
676 b3994ec5 2003-12-11 devnull Pid *pids, *p, *lastp;
677 b3994ec5 2003-12-11 devnull enum { WErr, WKill, WWait, WCmd, NWALT };
678 b3994ec5 2003-12-11 devnull Alt alts[NWALT+1];
679 b3994ec5 2003-12-11 devnull
680 b3994ec5 2003-12-11 devnull USED(v);
681 b3994ec5 2003-12-11 devnull threadsetname("waitthread");
682 b3994ec5 2003-12-11 devnull pids = nil;
683 b3994ec5 2003-12-11 devnull alts[WErr].c = cerr;
684 b3994ec5 2003-12-11 devnull alts[WErr].v = &err;
685 b3994ec5 2003-12-11 devnull alts[WErr].op = CHANRCV;
686 b3994ec5 2003-12-11 devnull alts[WKill].c = ckill;
687 b3994ec5 2003-12-11 devnull alts[WKill].v = &cmd;
688 b3994ec5 2003-12-11 devnull alts[WKill].op = CHANRCV;
689 b3994ec5 2003-12-11 devnull alts[WWait].c = cwait;
690 b3994ec5 2003-12-11 devnull alts[WWait].v = &w;
691 b3994ec5 2003-12-11 devnull alts[WWait].op = CHANRCV;
692 b3994ec5 2003-12-11 devnull alts[WCmd].c = ccommand;
693 b3994ec5 2003-12-11 devnull alts[WCmd].v = &c;
694 b3994ec5 2003-12-11 devnull alts[WCmd].op = CHANRCV;
695 b3994ec5 2003-12-11 devnull alts[NWALT].op = CHANEND;
696 b3994ec5 2003-12-11 devnull
697 b3994ec5 2003-12-11 devnull command = nil;
698 b3994ec5 2003-12-11 devnull for(;;){
699 b3994ec5 2003-12-11 devnull switch(alt(alts)){
700 b3994ec5 2003-12-11 devnull case WErr:
701 b3994ec5 2003-12-11 devnull qlock(&row.lk);
702 b3994ec5 2003-12-11 devnull warning(nil, "%s", err);
703 b3994ec5 2003-12-11 devnull free(err);
704 b3994ec5 2003-12-11 devnull flushimage(display, 1);
705 b3994ec5 2003-12-11 devnull qunlock(&row.lk);
706 b3994ec5 2003-12-11 devnull break;
707 b3994ec5 2003-12-11 devnull case WKill:
708 b3994ec5 2003-12-11 devnull found = FALSE;
709 b3994ec5 2003-12-11 devnull ncmd = runestrlen(cmd);
710 b3994ec5 2003-12-11 devnull for(c=command; c; c=c->next){
711 b3994ec5 2003-12-11 devnull /* -1 for blank */
712 b3994ec5 2003-12-11 devnull if(runeeq(c->name, c->nname-1, cmd, ncmd) == TRUE){
713 b3994ec5 2003-12-11 devnull if(postnote(PNGROUP, c->pid, "kill") < 0)
714 b3994ec5 2003-12-11 devnull warning(nil, "kill %S: %r\n", cmd);
715 b3994ec5 2003-12-11 devnull found = TRUE;
716 b3994ec5 2003-12-11 devnull }
717 b3994ec5 2003-12-11 devnull }
718 b3994ec5 2003-12-11 devnull if(!found)
719 b3994ec5 2003-12-11 devnull warning(nil, "Kill: no process %S\n", cmd);
720 b3994ec5 2003-12-11 devnull free(cmd);
721 b3994ec5 2003-12-11 devnull break;
722 b3994ec5 2003-12-11 devnull case WWait:
723 b3994ec5 2003-12-11 devnull pid = w->pid;
724 b3994ec5 2003-12-11 devnull lc = nil;
725 b3994ec5 2003-12-11 devnull for(c=command; c; c=c->next){
726 b3994ec5 2003-12-11 devnull if(c->pid == pid){
727 b3994ec5 2003-12-11 devnull if(lc)
728 b3994ec5 2003-12-11 devnull lc->next = c->next;
729 b3994ec5 2003-12-11 devnull else
730 b3994ec5 2003-12-11 devnull command = c->next;
731 b3994ec5 2003-12-11 devnull break;
732 b3994ec5 2003-12-11 devnull }
733 b3994ec5 2003-12-11 devnull lc = c;
734 b3994ec5 2003-12-11 devnull }
735 b3994ec5 2003-12-11 devnull qlock(&row.lk);
736 b3994ec5 2003-12-11 devnull t = &row.tag;
737 b3994ec5 2003-12-11 devnull textcommit(t, TRUE);
738 b3994ec5 2003-12-11 devnull if(c == nil){
739 b3994ec5 2003-12-11 devnull /* helper processes use this exit status */
740 b3994ec5 2003-12-11 devnull if(strncmp(w->msg, "libthread", 9) != 0){
741 b3994ec5 2003-12-11 devnull p = emalloc(sizeof(Pid));
742 b3994ec5 2003-12-11 devnull p->pid = pid;
743 b3994ec5 2003-12-11 devnull strncpy(p->msg, w->msg, sizeof(p->msg));
744 b3994ec5 2003-12-11 devnull p->next = pids;
745 b3994ec5 2003-12-11 devnull pids = p;
746 b3994ec5 2003-12-11 devnull }
747 b3994ec5 2003-12-11 devnull }else{
748 b3994ec5 2003-12-11 devnull if(search(t, c->name, c->nname)){
749 b3994ec5 2003-12-11 devnull textdelete(t, t->q0, t->q1, TRUE);
750 b3994ec5 2003-12-11 devnull textsetselect(t, 0, 0);
751 b3994ec5 2003-12-11 devnull }
752 b3994ec5 2003-12-11 devnull if(w->msg[0])
753 334cb1e9 2004-12-27 devnull warning(c->md, "%.*S: exit %s\n", c->nname-1, c->name, w->msg);
754 b3994ec5 2003-12-11 devnull flushimage(display, 1);
755 b3994ec5 2003-12-11 devnull }
756 b3994ec5 2003-12-11 devnull qunlock(&row.lk);
757 b3994ec5 2003-12-11 devnull free(w);
758 b3994ec5 2003-12-11 devnull Freecmd:
759 b3994ec5 2003-12-11 devnull if(c){
760 b3994ec5 2003-12-11 devnull if(c->iseditcmd)
761 b3994ec5 2003-12-11 devnull sendul(cedit, 0);
762 b3994ec5 2003-12-11 devnull free(c->text);
763 b3994ec5 2003-12-11 devnull free(c->name);
764 b3994ec5 2003-12-11 devnull fsysdelid(c->md);
765 b3994ec5 2003-12-11 devnull free(c);
766 b3994ec5 2003-12-11 devnull }
767 b3994ec5 2003-12-11 devnull break;
768 b3994ec5 2003-12-11 devnull case WCmd:
769 b3994ec5 2003-12-11 devnull /* has this command already exited? */
770 b3994ec5 2003-12-11 devnull lastp = nil;
771 b3994ec5 2003-12-11 devnull for(p=pids; p!=nil; p=p->next){
772 b3994ec5 2003-12-11 devnull if(p->pid == c->pid){
773 b3994ec5 2003-12-11 devnull if(p->msg[0])
774 b3994ec5 2003-12-11 devnull warning(c->md, "%s\n", p->msg);
775 b3994ec5 2003-12-11 devnull if(lastp == nil)
776 b3994ec5 2003-12-11 devnull pids = p->next;
777 b3994ec5 2003-12-11 devnull else
778 b3994ec5 2003-12-11 devnull lastp->next = p->next;
779 b3994ec5 2003-12-11 devnull free(p);
780 b3994ec5 2003-12-11 devnull goto Freecmd;
781 b3994ec5 2003-12-11 devnull }
782 b3994ec5 2003-12-11 devnull lastp = p;
783 b3994ec5 2003-12-11 devnull }
784 b3994ec5 2003-12-11 devnull c->next = command;
785 b3994ec5 2003-12-11 devnull command = c;
786 b3994ec5 2003-12-11 devnull qlock(&row.lk);
787 b3994ec5 2003-12-11 devnull t = &row.tag;
788 b3994ec5 2003-12-11 devnull textcommit(t, TRUE);
789 b3994ec5 2003-12-11 devnull textinsert(t, 0, c->name, c->nname, TRUE);
790 b3994ec5 2003-12-11 devnull textsetselect(t, 0, 0);
791 b3994ec5 2003-12-11 devnull flushimage(display, 1);
792 b3994ec5 2003-12-11 devnull qunlock(&row.lk);
793 b3994ec5 2003-12-11 devnull break;
794 b3994ec5 2003-12-11 devnull }
795 b3994ec5 2003-12-11 devnull }
796 b3994ec5 2003-12-11 devnull }
797 b3994ec5 2003-12-11 devnull
798 b3994ec5 2003-12-11 devnull void
799 b3994ec5 2003-12-11 devnull xfidallocthread(void *v)
800 b3994ec5 2003-12-11 devnull {
801 b3994ec5 2003-12-11 devnull Xfid *xfree, *x;
802 b3994ec5 2003-12-11 devnull enum { Alloc, Free, N };
803 b3994ec5 2003-12-11 devnull static Alt alts[N+1];
804 b3994ec5 2003-12-11 devnull
805 b3994ec5 2003-12-11 devnull USED(v);
806 b3994ec5 2003-12-11 devnull threadsetname("xfidallocthread");
807 b3994ec5 2003-12-11 devnull alts[Alloc].c = cxfidalloc;
808 b3994ec5 2003-12-11 devnull alts[Alloc].v = nil;
809 b3994ec5 2003-12-11 devnull alts[Alloc].op = CHANRCV;
810 b3994ec5 2003-12-11 devnull alts[Free].c = cxfidfree;
811 b3994ec5 2003-12-11 devnull alts[Free].v = &x;
812 b3994ec5 2003-12-11 devnull alts[Free].op = CHANRCV;
813 b3994ec5 2003-12-11 devnull alts[N].op = CHANEND;
814 b3994ec5 2003-12-11 devnull
815 b3994ec5 2003-12-11 devnull xfree = nil;
816 b3994ec5 2003-12-11 devnull for(;;){
817 b3994ec5 2003-12-11 devnull switch(alt(alts)){
818 b3994ec5 2003-12-11 devnull case Alloc:
819 b3994ec5 2003-12-11 devnull x = xfree;
820 b3994ec5 2003-12-11 devnull if(x)
821 b3994ec5 2003-12-11 devnull xfree = x->next;
822 b3994ec5 2003-12-11 devnull else{
823 b3994ec5 2003-12-11 devnull x = emalloc(sizeof(Xfid));
824 b3994ec5 2003-12-11 devnull x->c = chancreate(sizeof(void(*)(Xfid*)), 0);
825 334cb1e9 2004-12-27 devnull chansetname(x->c, "xc%p", x->c);
826 b3994ec5 2003-12-11 devnull x->arg = x;
827 b3994ec5 2003-12-11 devnull threadcreate(xfidctl, x->arg, STACK);
828 b3994ec5 2003-12-11 devnull }
829 b3994ec5 2003-12-11 devnull sendp(cxfidalloc, x);
830 b3994ec5 2003-12-11 devnull break;
831 b3994ec5 2003-12-11 devnull case Free:
832 b3994ec5 2003-12-11 devnull x->next = xfree;
833 b3994ec5 2003-12-11 devnull xfree = x;
834 b3994ec5 2003-12-11 devnull break;
835 b3994ec5 2003-12-11 devnull }
836 b3994ec5 2003-12-11 devnull }
837 b3994ec5 2003-12-11 devnull }
838 b3994ec5 2003-12-11 devnull
839 b3994ec5 2003-12-11 devnull /* this thread, in the main proc, allows fsysproc to get a window made without doing graphics */
840 b3994ec5 2003-12-11 devnull void
841 b3994ec5 2003-12-11 devnull newwindowthread(void *v)
842 b3994ec5 2003-12-11 devnull {
843 b3994ec5 2003-12-11 devnull Window *w;
844 b3994ec5 2003-12-11 devnull
845 b3994ec5 2003-12-11 devnull USED(v);
846 b3994ec5 2003-12-11 devnull threadsetname("newwindowthread");
847 b3994ec5 2003-12-11 devnull
848 b3994ec5 2003-12-11 devnull for(;;){
849 b3994ec5 2003-12-11 devnull /* only fsysproc is talking to us, so synchronization is trivial */
850 b3994ec5 2003-12-11 devnull recvp(cnewwindow);
851 b3994ec5 2003-12-11 devnull w = makenewwindow(nil);
852 b3994ec5 2003-12-11 devnull winsettag(w);
853 b3994ec5 2003-12-11 devnull sendp(cnewwindow, w);
854 b3994ec5 2003-12-11 devnull }
855 b3994ec5 2003-12-11 devnull }
856 b3994ec5 2003-12-11 devnull
857 b3994ec5 2003-12-11 devnull Reffont*
858 b3994ec5 2003-12-11 devnull rfget(int fix, int save, int setfont, char *name)
859 b3994ec5 2003-12-11 devnull {
860 b3994ec5 2003-12-11 devnull Reffont *r;
861 b3994ec5 2003-12-11 devnull Font *f;
862 b3994ec5 2003-12-11 devnull int i;
863 b3994ec5 2003-12-11 devnull
864 b3994ec5 2003-12-11 devnull r = nil;
865 b3994ec5 2003-12-11 devnull if(name == nil){
866 b3994ec5 2003-12-11 devnull name = fontnames[fix];
867 b3994ec5 2003-12-11 devnull r = reffonts[fix];
868 b3994ec5 2003-12-11 devnull }
869 b3994ec5 2003-12-11 devnull if(r == nil){
870 b3994ec5 2003-12-11 devnull for(i=0; i<nfontcache; i++)
871 b3994ec5 2003-12-11 devnull if(strcmp(name, fontcache[i]->f->name) == 0){
872 b3994ec5 2003-12-11 devnull r = fontcache[i];
873 b3994ec5 2003-12-11 devnull goto Found;
874 b3994ec5 2003-12-11 devnull }
875 b3994ec5 2003-12-11 devnull f = openfont(display, name);
876 b3994ec5 2003-12-11 devnull if(f == nil){
877 c1973705 2004-02-09 devnull fprint(2, "can't open font file %s: %r\n", name);
878 b3994ec5 2003-12-11 devnull warning(nil, "can't open font file %s: %r\n", name);
879 b3994ec5 2003-12-11 devnull return nil;
880 b3994ec5 2003-12-11 devnull }
881 b3994ec5 2003-12-11 devnull r = emalloc(sizeof(Reffont));
882 b3994ec5 2003-12-11 devnull r->f = f;
883 6d7fdb24 2004-12-27 devnull fontcache = erealloc(fontcache, (nfontcache+1)*sizeof(Reffont*));
884 b3994ec5 2003-12-11 devnull fontcache[nfontcache++] = r;
885 b3994ec5 2003-12-11 devnull }
886 b3994ec5 2003-12-11 devnull Found:
887 b3994ec5 2003-12-11 devnull if(save){
888 b3994ec5 2003-12-11 devnull incref(&r->ref);
889 b3994ec5 2003-12-11 devnull if(reffonts[fix])
890 b3994ec5 2003-12-11 devnull rfclose(reffonts[fix]);
891 b3994ec5 2003-12-11 devnull reffonts[fix] = r;
892 6d7fdb24 2004-12-27 devnull if(fontnames[fix] != name){
893 6d7fdb24 2004-12-27 devnull free(fontnames[fix]);
894 6d7fdb24 2004-12-27 devnull fontnames[fix] = estrdup(name);
895 6d7fdb24 2004-12-27 devnull }
896 b3994ec5 2003-12-11 devnull }
897 b3994ec5 2003-12-11 devnull if(setfont){
898 b3994ec5 2003-12-11 devnull reffont.f = r->f;
899 b3994ec5 2003-12-11 devnull incref(&r->ref);
900 b3994ec5 2003-12-11 devnull rfclose(reffonts[0]);
901 b3994ec5 2003-12-11 devnull font = r->f;
902 b3994ec5 2003-12-11 devnull reffonts[0] = r;
903 b3994ec5 2003-12-11 devnull incref(&r->ref);
904 b3994ec5 2003-12-11 devnull iconinit();
905 b3994ec5 2003-12-11 devnull }
906 b3994ec5 2003-12-11 devnull incref(&r->ref);
907 b3994ec5 2003-12-11 devnull return r;
908 b3994ec5 2003-12-11 devnull }
909 b3994ec5 2003-12-11 devnull
910 b3994ec5 2003-12-11 devnull void
911 b3994ec5 2003-12-11 devnull rfclose(Reffont *r)
912 b3994ec5 2003-12-11 devnull {
913 b3994ec5 2003-12-11 devnull int i;
914 b3994ec5 2003-12-11 devnull
915 b3994ec5 2003-12-11 devnull if(decref(&r->ref) == 0){
916 b3994ec5 2003-12-11 devnull for(i=0; i<nfontcache; i++)
917 b3994ec5 2003-12-11 devnull if(r == fontcache[i])
918 b3994ec5 2003-12-11 devnull break;
919 b3994ec5 2003-12-11 devnull if(i >= nfontcache)
920 b3994ec5 2003-12-11 devnull warning(nil, "internal error: can't find font in cache\n");
921 b3994ec5 2003-12-11 devnull else{
922 b3994ec5 2003-12-11 devnull nfontcache--;
923 b3994ec5 2003-12-11 devnull memmove(fontcache+i, fontcache+i+1, (nfontcache-i)*sizeof(Reffont*));
924 b3994ec5 2003-12-11 devnull }
925 b3994ec5 2003-12-11 devnull freefont(r->f);
926 b3994ec5 2003-12-11 devnull free(r);
927 b3994ec5 2003-12-11 devnull }
928 b3994ec5 2003-12-11 devnull }
929 b3994ec5 2003-12-11 devnull
930 b3994ec5 2003-12-11 devnull Cursor boxcursor = {
931 b3994ec5 2003-12-11 devnull {-7, -7},
932 b3994ec5 2003-12-11 devnull {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
933 b3994ec5 2003-12-11 devnull 0xFF, 0xFF, 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F,
934 b3994ec5 2003-12-11 devnull 0xF8, 0x1F, 0xF8, 0x1F, 0xF8, 0x1F, 0xFF, 0xFF,
935 b3994ec5 2003-12-11 devnull 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
936 b3994ec5 2003-12-11 devnull {0x00, 0x00, 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE,
937 b3994ec5 2003-12-11 devnull 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
938 b3994ec5 2003-12-11 devnull 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E, 0x70, 0x0E,
939 b3994ec5 2003-12-11 devnull 0x7F, 0xFE, 0x7F, 0xFE, 0x7F, 0xFE, 0x00, 0x00}
940 b3994ec5 2003-12-11 devnull };
941 b3994ec5 2003-12-11 devnull
942 b3994ec5 2003-12-11 devnull void
943 b3994ec5 2003-12-11 devnull iconinit(void)
944 b3994ec5 2003-12-11 devnull {
945 b3994ec5 2003-12-11 devnull Rectangle r;
946 b3994ec5 2003-12-11 devnull Image *tmp;
947 b3994ec5 2003-12-11 devnull
948 b3994ec5 2003-12-11 devnull /* Blue */
949 b3994ec5 2003-12-11 devnull tagcols[BACK] = allocimagemix(display, DPalebluegreen, DWhite);
950 b3994ec5 2003-12-11 devnull tagcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPalegreygreen);
951 b3994ec5 2003-12-11 devnull tagcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DPurpleblue);
952 b3994ec5 2003-12-11 devnull tagcols[TEXT] = display->black;
953 b3994ec5 2003-12-11 devnull tagcols[HTEXT] = display->black;
954 b3994ec5 2003-12-11 devnull
955 b3994ec5 2003-12-11 devnull /* Yellow */
956 b3994ec5 2003-12-11 devnull textcols[BACK] = allocimagemix(display, DPaleyellow, DWhite);
957 b3994ec5 2003-12-11 devnull textcols[HIGH] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DDarkyellow);
958 b3994ec5 2003-12-11 devnull textcols[BORD] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DYellowgreen);
959 b3994ec5 2003-12-11 devnull textcols[TEXT] = display->black;
960 b3994ec5 2003-12-11 devnull textcols[HTEXT] = display->black;
961 b3994ec5 2003-12-11 devnull
962 b3994ec5 2003-12-11 devnull if(button){
963 b3994ec5 2003-12-11 devnull freeimage(button);
964 b3994ec5 2003-12-11 devnull freeimage(modbutton);
965 b3994ec5 2003-12-11 devnull freeimage(colbutton);
966 b3994ec5 2003-12-11 devnull }
967 b3994ec5 2003-12-11 devnull
968 b3994ec5 2003-12-11 devnull r = Rect(0, 0, Scrollwid+2, font->height+1);
969 b3994ec5 2003-12-11 devnull button = allocimage(display, r, screen->chan, 0, DNofill);
970 b3994ec5 2003-12-11 devnull draw(button, r, tagcols[BACK], nil, r.min);
971 b3994ec5 2003-12-11 devnull r.max.x -= 2;
972 b3994ec5 2003-12-11 devnull border(button, r, 2, tagcols[BORD], ZP);
973 b3994ec5 2003-12-11 devnull
974 b3994ec5 2003-12-11 devnull r = button->r;
975 b3994ec5 2003-12-11 devnull modbutton = allocimage(display, r, screen->chan, 0, DNofill);
976 b3994ec5 2003-12-11 devnull draw(modbutton, r, tagcols[BACK], nil, r.min);
977 b3994ec5 2003-12-11 devnull r.max.x -= 2;
978 b3994ec5 2003-12-11 devnull border(modbutton, r, 2, tagcols[BORD], ZP);
979 b3994ec5 2003-12-11 devnull r = insetrect(r, 2);
980 b3994ec5 2003-12-11 devnull tmp = allocimage(display, Rect(0,0,1,1), screen->chan, 1, DMedblue);
981 b3994ec5 2003-12-11 devnull draw(modbutton, r, tmp, nil, ZP);
982 b3994ec5 2003-12-11 devnull freeimage(tmp);
983 b3994ec5 2003-12-11 devnull
984 b3994ec5 2003-12-11 devnull r = button->r;
985 b3994ec5 2003-12-11 devnull colbutton = allocimage(display, r, screen->chan, 0, DPurpleblue);
986 b3994ec5 2003-12-11 devnull
987 b3994ec5 2003-12-11 devnull but2col = allocimage(display, r, screen->chan, 1, 0xAA0000FF);
988 b3994ec5 2003-12-11 devnull but3col = allocimage(display, r, screen->chan, 1, 0x006600FF);
989 b3994ec5 2003-12-11 devnull }
990 b3994ec5 2003-12-11 devnull
991 b3994ec5 2003-12-11 devnull /*
992 b3994ec5 2003-12-11 devnull * /dev/snarf updates when the file is closed, so we must open our own
993 b3994ec5 2003-12-11 devnull * fd here rather than use snarffd
994 b3994ec5 2003-12-11 devnull */
995 b3994ec5 2003-12-11 devnull
996 b3994ec5 2003-12-11 devnull /* rio truncates larges snarf buffers, so this avoids using the
997 b3994ec5 2003-12-11 devnull * service if the string is huge */
998 b3994ec5 2003-12-11 devnull
999 b3994ec5 2003-12-11 devnull #define MAXSNARF 100*1024
1000 b3994ec5 2003-12-11 devnull
1001 b3994ec5 2003-12-11 devnull void
1002 b3994ec5 2003-12-11 devnull acmeputsnarf(void)
1003 b3994ec5 2003-12-11 devnull {
1004 5a8e63b2 2004-02-29 devnull int i, n;
1005 5a8e63b2 2004-02-29 devnull Fmt f;
1006 5a8e63b2 2004-02-29 devnull char *s;
1007 b3994ec5 2003-12-11 devnull
1008 5a8e63b2 2004-02-29 devnull if(snarfbuf.nc==0)
1009 b3994ec5 2003-12-11 devnull return;
1010 b3994ec5 2003-12-11 devnull if(snarfbuf.nc > MAXSNARF)
1011 b3994ec5 2003-12-11 devnull return;
1012 5a8e63b2 2004-02-29 devnull
1013 5a8e63b2 2004-02-29 devnull fmtstrinit(&f);
1014 b3994ec5 2003-12-11 devnull for(i=0; i<snarfbuf.nc; i+=n){
1015 b3994ec5 2003-12-11 devnull n = snarfbuf.nc-i;
1016 b3994ec5 2003-12-11 devnull if(n >= NSnarf)
1017 b3994ec5 2003-12-11 devnull n = NSnarf;
1018 b3994ec5 2003-12-11 devnull bufread(&snarfbuf, i, snarfrune, n);
1019 5a8e63b2 2004-02-29 devnull if(fmtprint(&f, "%.*S", n, snarfrune) < 0)
1020 b3994ec5 2003-12-11 devnull break;
1021 b3994ec5 2003-12-11 devnull }
1022 5a8e63b2 2004-02-29 devnull s = fmtstrflush(&f);
1023 5a8e63b2 2004-02-29 devnull if(s && s[0])
1024 5a8e63b2 2004-02-29 devnull putsnarf(s);
1025 5a8e63b2 2004-02-29 devnull free(s);
1026 b3994ec5 2003-12-11 devnull }
1027 b3994ec5 2003-12-11 devnull
1028 b3994ec5 2003-12-11 devnull void
1029 5a8e63b2 2004-02-29 devnull acmegetsnarf(void)
1030 b3994ec5 2003-12-11 devnull {
1031 5a8e63b2 2004-02-29 devnull char *s;
1032 5a8e63b2 2004-02-29 devnull int nb, nr, nulls, len;
1033 5a8e63b2 2004-02-29 devnull Rune *r;
1034 b3994ec5 2003-12-11 devnull
1035 5a8e63b2 2004-02-29 devnull s = getsnarf();
1036 5a8e63b2 2004-02-29 devnull if(s == nil || s[0]==0){
1037 5a8e63b2 2004-02-29 devnull free(s);
1038 b3994ec5 2003-12-11 devnull return;
1039 5a8e63b2 2004-02-29 devnull }
1040 5a8e63b2 2004-02-29 devnull
1041 5a8e63b2 2004-02-29 devnull len = strlen(s);
1042 5a8e63b2 2004-02-29 devnull r = runemalloc(len+1);
1043 5a8e63b2 2004-02-29 devnull cvttorunes(s, len, r, &nb, &nr, &nulls);
1044 b3994ec5 2003-12-11 devnull bufreset(&snarfbuf);
1045 5a8e63b2 2004-02-29 devnull bufinsert(&snarfbuf, 0, r, nr);
1046 5a8e63b2 2004-02-29 devnull free(r);
1047 5a8e63b2 2004-02-29 devnull free(s);
1048 b3994ec5 2003-12-11 devnull }