1990/11211/port/devbit.c (diff list | history)

1990/1012/sys/src/9/port/devbit.c:125,133 – 1990/11211/sys/src/9/port/devbit.c:125,133 (short | long | prev | next)
1990/0324		}; Dirtab bitdir[]={ "bitblt", Qbitblt, 0, 0600,
1990/0329		"mouse", Qmouse, 0, 0600,
1990/0709		"screen", Qscreen, 0, 0400,
1990/11211		"bitblt", {Qbitblt}, 0, 0600, "mouse", {Qmouse}, 0, 0600, "screen", {Qscreen}, 0, 0400,
1990/0324		}; #define NBIT (sizeof bitdir/sizeof(Dirtab))
1990/1012/sys/src/9/port/devbit.c:181,187 – 1990/11211/sys/src/9/port/devbit.c:181,187
1990/0324		bitclone(Chan *c, Chan *nc) { nc = devclone(c, nc); if(c->qid != CHDIR)
1990/11211		if(c->qid.path != CHDIR)
1990/0324		incref(&bit); }
1990/1012/sys/src/9/port/devbit.c:200,213 – 1990/11211/sys/src/9/port/devbit.c:200,213
1990/0324		Chan * bitopen(Chan *c, int omode) { if(c->qid == CHDIR){
1990/11211		if(c->qid.path == CHDIR){
1990/0324		if(omode != OREAD) error(0, Eperm);
1990/0515		}else if(c->qid == Qbitblt){
1990/11211		error(Eperm); }else if(c->qid.path == Qbitblt){
1990/0324		lock(&bit);
1990/0515		if(bit.ref){
1990/0324		unlock(&bit); error(0, Einuse);
1990/11211		error(Einuse);
1990/0324		}
1990/0327		bit.lastid = -1;
1990/0623		bit.lastfid = -1;
1990/1012/sys/src/9/port/devbit.c:227,245 – 1990/11211/sys/src/9/port/devbit.c:227,245
1990/0324		void bitcreate(Chan *c, char *name, int omode, ulong perm) { error(0, Eperm);
1990/11211		error(Eperm);
1990/0324		} void bitremove(Chan *c) { error(0, Eperm);
1990/11211		error(Eperm);
1990/0324		} void bitwstat(Chan *c, char *db) { error(0, Eperm);
1990/11211		error(Eperm);
1990/0324		} void
1990/1012/sys/src/9/port/devbit.c:249,255 – 1990/11211/sys/src/9/port/devbit.c:249,255
1990/0902		GBitmap *bp; GFont *fp;
1990/0327
1990/05151		if(c->qid!=CHDIR && (c->flag&COPEN)){
1990/11211		if(c->qid.path!=CHDIR && (c->flag&COPEN)){
1990/0329		lock(&bit);
1990/0327		if(--bit.ref == 0){ for(i=1,bp=&bit.map[1]; i<conf.nbitmap; i++,bp++)
1990/1012/sys/src/9/port/devbit.c:284,293 – 1990/11211/sys/src/9/port/devbit.c:284,293
1990/06231		Fontchar *i;
1990/0902		GBitmap *src;
1990/0327
1990/0324		if(c->qid & CHDIR)
1990/11211		if(c->qid.path & CHDIR)
1990/0324		return devdirread(c, va, n, bitdir, NBIT, devgen);
1990/0505		switch(c->qid){
1990/11211		switch(c->qid.path){
1990/0505		case Qmouse:
1990/0329		/*
1990/0505		* mouse:
1990/1012/sys/src/9/port/devbit.c:296,302 – 1990/11211/sys/src/9/port/devbit.c:296,302
1990/0505		* point 8
1990/0329		*/
1990/0505		if(n < 10)
1990/0329		error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0505		Again: while(mouse.changed == 0) sleep(&mouse.r, mousechanged, 0);
1990/1012/sys/src/9/port/devbit.c:331,337 – 1990/11211/sys/src/9/port/devbit.c:331,337
1990/06231		* fontchars 6*(defont->n+1)
1990/0505		*/ if(n < 18) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0505		p[0] = 'I';
1990/0912		p[1] = gscreen.ldepth; PLONG(p+2, gscreen.r.min.x);
1990/1012/sys/src/9/port/devbit.c:363,369 – 1990/11211/sys/src/9/port/devbit.c:363,369
1990/0505		* bitmap id 2 */ if(n < 3) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0505		p[0] = 'A'; PSHORT(p+1, bit.lastid); bit.lastid = -1;
1990/1012/sys/src/9/port/devbit.c:377,383 – 1990/11211/sys/src/9/port/devbit.c:377,383
1990/0623		* font id 2 */ if(n < 3) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0623		p[0] = 'K'; PSHORT(p+1, bit.lastfid); bit.lastfid = -1;
1990/1012/sys/src/9/port/devbit.c:391,397 – 1990/11211/sys/src/9/port/devbit.c:391,397
1990/0613		*/ src = &bit.map[bit.rid]; if(src->ldepth<0) error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0613		off = 0; if(bit.rid == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:398,404 – 1990/11211/sys/src/9/port/devbit.c:398,404
1990/0613		miny = bit.rminy; maxy = bit.rmaxy; if(miny>maxy || miny<src->r.min.y || maxy>src->r.max.y) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0613		ws = 1<<(3-src->ldepth); /* pixels per byte */ /* set l to number of bytes of incoming data per scan line */ if(src->r.min.x >= 0)
1990/1012/sys/src/9/port/devbit.c:409,415 – 1990/11211/sys/src/9/port/devbit.c:409,415
1990/0613		l = (t+src->r.max.x+ws-1)/ws; } if(n < l*(maxy-miny)) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0613		if(off) cursoroff(1); n = 0;
1990/1012/sys/src/9/port/devbit.c:426,437 – 1990/11211/sys/src/9/port/devbit.c:426,437
1990/0613		bit.rid = -1; break; }
1990/0505		error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0709		case Qscreen: if(c->offset==0){ if(n < 5*12) error(0, Eio);
1990/11211		error(Eio);
1990/0709		sprint(va, "%11d %11d %11d %11d %11d ",
1990/0912		gscreen.ldepth, gscreen.r.min.x, gscreen.r.min.y, gscreen.r.max.x,
1990/1012/sys/src/9/port/devbit.c:459,465 – 1990/11211/sys/src/9/port/devbit.c:459,465
1990/0709		break;
1990/0505		default: error(0, Egreg);
1990/11211		error(Egreg);
1990/0327		} return n;
1990/1012/sys/src/9/port/devbit.c:480,490 – 1990/11211/sys/src/9/port/devbit.c:480,490
1990/0902		GBitmap *bp, *src, *dst; GFont *f;
1990/0324		if(c->qid == CHDIR) error(0, Eisdir);
1990/11211		if(c->qid.path == CHDIR) error(Eisdir);
1990/0324
1990/0327		if(c->qid != Qbitblt) error(0, Egreg);
1990/11211		if(c->qid.path != Qbitblt) error(Egreg);
1990/0327
1990/0721		isoff = 0; if(waserror()){
1990/1012/sys/src/9/port/devbit.c:498,504 – 1990/11211/sys/src/9/port/devbit.c:498,504
1990/0327		switch(*p){
1990/0329		default: pprint("bitblt request 0x%x\n", *p); error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329
1990/0327		case 'a': /*
1990/1012/sys/src/9/port/devbit.c:509,521 – 1990/11211/sys/src/9/port/devbit.c:509,521
1990/0327		* next read returns allocated bitmap id */ if(m < 18)
1990/0324		error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0327		v = *(p+1);
1990/05313		if(v!=0 && v!=1) /* BUG */
1990/0327		error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0327		ws = 1<<(5-v); /* pixels per word */ if(bit.free == 0) error(0, Enobitmap);
1990/11211		error(Enobitmap);
1990/0327		rect.min.x = GLONG(p+2); rect.min.y = GLONG(p+6); rect.max.x = GLONG(p+10);
1990/1012/sys/src/9/port/devbit.c:531,537 – 1990/11211/sys/src/9/port/devbit.c:531,537
1990/05313		if(bit.wfree+2+nw > bit.words+bit.nwords){
1990/0327		bitcompact();
1990/05313		if(bit.wfree+2+nw > bit.words+bit.nwords)
1990/0327		error(0, Enobitstore);
1990/11211		error(Enobitstore);
1990/0327		} bp = bit.free;
1990/0902		bit.free = (GBitmap*)(bp->base);
1990/1012/sys/src/9/port/devbit.c:566,576 – 1990/11211/sys/src/9/port/devbit.c:566,576
1990/0327		* code 2 */ if(m < 31) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0327		v = GSHORT(p+1); dst = &bit.map[v]; if(v<0 || v>=conf.nbitmap || dst->ldepth < 0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0504		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:579,585 – 1990/11211/sys/src/9/port/devbit.c:579,585
1990/0327		v = GSHORT(p+11); src = &bit.map[v]; if(v<0 || v>=conf.nbitmap || src->ldepth < 0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0504		if(v == 0) off = 1;
1990/0327		rect.min.x = GLONG(p+13);
1990/1012/sys/src/9/port/devbit.c:616,622 – 1990/11211/sys/src/9/port/devbit.c:616,622
1990/05313		break; } if(m < 73) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/05313		curs.offset.x = GLONG(p+1); curs.offset.y = GLONG(p+5); memcpy(curs.clr, p+9, 2*16);
1990/1012/sys/src/9/port/devbit.c:637,647 – 1990/11211/sys/src/9/port/devbit.c:637,647
1990/0327		* id 2 */ if(m < 3) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0327		v = GSHORT(p+1); dst = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0327		bitfree(dst); m -= 3; p += 3;
1990/1012/sys/src/9/port/devbit.c:654,664 – 1990/11211/sys/src/9/port/devbit.c:654,664
1990/0623		* id 2 */ if(m < 3) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0623		v = GSHORT(p+1); f = &bit.font[v]; if(v<0 || v>=conf.nfont || f->bits==0)
1990/0728		error(0, Ebadfont);
1990/11211		error(Ebadfont);
1990/0623		f->bits = 0; m -= 3; p += 3;
1990/1012/sys/src/9/port/devbit.c:687,700 – 1990/11211/sys/src/9/port/devbit.c:687,700
1990/0623		* next read returns allocated font id */ if(m < 7) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0623		v = GSHORT(p+1); if(v<0 || v>NINFO || m<7+6*(v+1)) /* BUG */ error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0623		for(i=1; i<conf.nfont; i++) if(bit.font[i].bits == 0) goto fontfound; error(0, Enofont);
1990/11211		error(Enofont);
1990/0623		fontfound: f = &bit.font[i]; f->n = v;
1990/1012/sys/src/9/port/devbit.c:703,709 – 1990/11211/sys/src/9/port/devbit.c:703,709
1990/0623		v = GSHORT(p+5); dst = &bit.map[v]; if(v<0 || v>=conf.nbitmap || dst->ldepth<0) error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0623		m -= 7; p += 7; fcp = f->info;
1990/1012/sys/src/9/port/devbit.c:733,743 – 1990/11211/sys/src/9/port/devbit.c:733,743
1990/06111		* code 2 */ if(m < 22) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/06111		v = GSHORT(p+1); dst = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/06111		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/06111		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:767,777 – 1990/11211/sys/src/9/port/devbit.c:767,777
1990/0722		* code 2 */ if(m < 14) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0722		v = GSHORT(p+1); dst = &bit.map[v]; if(v<0 || v>=conf.nbitmap || dst->ldepth<0) error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0722		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:797,811 – 1990/11211/sys/src/9/port/devbit.c:797,811
1990/0613		* maxy 4 */ if(m < 11) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0613		v = GSHORT(p+1); src = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || src->ldepth<0)
1990/0613		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0613		miny = GLONG(p+3); maxy = GLONG(p+7); if(miny>maxy || miny<src->r.min.y || maxy>src->r.max.y) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0613		bit.rid = v; bit.rminy = miny; bit.rmaxy = maxy;
1990/1012/sys/src/9/port/devbit.c:824,834 – 1990/11211/sys/src/9/port/devbit.c:824,834
1990/0329		* string n (null terminated) */ if(m < 16) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329		v = GSHORT(p+1); dst = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0504		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:837,849 – 1990/11211/sys/src/9/port/devbit.c:837,849
1990/0329		v = GSHORT(p+11);
1990/0623		f = &bit.font[v]; if(v<0 || v>=conf.nfont || f->bits==0 || f->bits->ldepth<0)
1990/0329		error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329		v = GSHORT(p+13); p += 15; m -= 15; q = memchr(p, 0, m); if(q == 0) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0721		if(off && !isoff){
1990/0504		cursoroff(1);
1990/0721		isoff = 1;
1990/1012/sys/src/9/port/devbit.c:864,874 – 1990/11211/sys/src/9/port/devbit.c:864,874
1990/0329		* fcode 2 */ if(m < 23) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329		v = GSHORT(p+1); dst = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0504		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:879,885 – 1990/11211/sys/src/9/port/devbit.c:879,885
1990/0329		v = GSHORT(p+19); src = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || src->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0329		v = GSHORT(p+21);
1990/1011		x = src->r.min.x; y = src->r.min.y;
1990/1012/sys/src/9/port/devbit.c:955,965 – 1990/11211/sys/src/9/port/devbit.c:955,965
1990/0329		* data bytewidth*(maxy-miny) */ if(m < 11) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329		v = GSHORT(p+1); dst = &bit.map[v];
1990/0623		if(v<0 || v>=conf.nbitmap || dst->ldepth<0)
1990/0329		error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/0504		off = 0; if(v == 0) off = 1;
1990/1012/sys/src/9/port/devbit.c:966,972 – 1990/11211/sys/src/9/port/devbit.c:966,972
1990/0329		miny = GLONG(p+3); maxy = GLONG(p+7);
1990/03291		if(miny>maxy || miny<dst->r.min.y || maxy>dst->r.max.y) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0329		ws = 1<<(3-dst->ldepth); /* pixels per byte */ /* set l to number of bytes of incoming data per scan line */ if(dst->r.min.x >= 0)
1990/1012/sys/src/9/port/devbit.c:979,985 – 1990/11211/sys/src/9/port/devbit.c:979,985
1990/0329		p += 11; m -= 11; if(m < l*(maxy-miny)) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0721		if(off && !isoff){
1990/0504		cursoroff(1);
1990/0721		isoff = 1;
1990/1012/sys/src/9/port/devbit.c:1001,1007 – 1990/11211/sys/src/9/port/devbit.c:1001,1007
1990/0826		* pt 8 */ if(m < 9) error(0, Ebadblt);
1990/11211		error(Ebadblt);
1990/0826		pt1.x = GLONG(p+1); pt1.y = GLONG(p+5); mouse.xy = pt1;
1990/1012/sys/src/9/port/devbit.c:1018,1035 – 1990/11211/sys/src/9/port/devbit.c:1018,1023
1990/0324		} void bituserstr(Error *e, char *buf) { consuserstr(e, buf); }                  void biterrstr(Error *e, char *buf) { rooterrstr(e, buf);
1990/0327		}                  void
1990/0902		bitfree(GBitmap *bp)
1990/0327		{
1990/05313		bp->base[-1] = 0;
1990/1012/sys/src/9/port/devbit.c:1046,1052 – 1990/11211/sys/src/9/port/devbit.c:1034,1040
1990/0902		GBitmap *bp;
1990/08101		bp = &bit.map[k]; if(k<0 || k>=conf.nbitmap || bp->ldepth < 0) error(0, Ebadbitmap);
1990/11211		error(Ebadbitmap);
1990/08101		return bp; }