removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 372 deletions

diff --git a/sys/src/cmd/unix/drawterm/kern/devaudio.c b/sys/src/cmd/unix/drawterm/kern/devaudio.c
deleted file mode 100644
index b6d0cc512..000000000
--- a/sys/src/cmd/unix/drawterm/kern/devaudio.c
+++ /dev/null
@@ -1,372 +0,0 @@
-#include	"u.h"
-#include	"lib.h"
-#include	"dat.h"
-#include	"fns.h"
-#include	"error.h"
-#include	"devaudio.h"
-
-enum
-{
-	Qdir		= 0,
-	Qaudio,
-	Qvolume,
-
-	Aclosed		= 0,
-	Aread,
-	Awrite,
-
-	Speed		= 44100,
-	Ncmd		= 50,		/* max volume command words */
-};
-
-Dirtab
-audiodir[] =
-{
-	".",	{Qdir, 0, QTDIR},		0,	DMDIR|0555,
-	"audio",	{Qaudio},		0,	0666,
-	"volume",	{Qvolume},		0,	0666,
-};
-
-static	struct
-{
-	QLock	lk;
-	Rendez	vous;
-	int	amode;		/* Aclosed/Aread/Awrite for /audio */
-} audio;
-
-#define aqlock(a) qlock(&(a)->lk)
-#define aqunlock(a) qunlock(&(a)->lk)
-
-static	struct
-{
-	char*	name;
-	int	flag;
-	int	ilval;		/* initial values */
-	int	irval;
-} volumes[] =
-{
-	"audio",	Fout, 		50,	50,
-	"synth",	Fin|Fout,	0,	0,
-	"cd",		Fin|Fout,	0,	0,
-	"line",	Fin|Fout,	0,	0,
-	"mic",	Fin|Fout|Fmono,	0,	0,
-	"speaker",	Fout|Fmono,	0,	0,
-
-	"treb",		Fout, 		50,	50,
-	"bass",		Fout, 		50,	50,
-
-	"speed",	Fin|Fout|Fmono,	Speed,	Speed,
-	0
-};
-
-static	char	Emode[]		= "illegal open mode";
-static	char	Evolume[]	= "illegal volume specifier";
-
-static	void
-resetlevel(void)
-{
-	int i;
-
-	for(i=0; volumes[i].name; i++)
-		audiodevsetvol(i, volumes[i].ilval, volumes[i].irval);
-}
-
-static void
-audioinit(void)
-{
-}
-
-static Chan*
-audioattach(char *param)
-{
-	return devattach('A', param);
-}
-
-static Walkqid*
-audiowalk(Chan *c, Chan *nc, char **name, int nname)
-{
-	return devwalk(c, nc, name, nname, audiodir, nelem(audiodir), devgen);
-}
-
-static int
-audiostat(Chan *c, uchar *db, int n)
-{
-	return devstat(c, db, n, audiodir, nelem(audiodir), devgen);
-}
-
-static Chan*
-audioopen(Chan *c, int omode)
-{
-	int amode;
-
-	switch((ulong)c->qid.path) {
-	default:
-		error(Eperm);
-		break;
-
-	case Qvolume:
-	case Qdir:
-		break;
-
-	case Qaudio:
-		amode = Awrite;
-		if((omode&7) == OREAD)
-			amode = Aread;
-		aqlock(&audio);
-		if(waserror()){
-			aqunlock(&audio);
-			nexterror();
-		}
-		if(audio.amode != Aclosed)
-			error(Einuse);
-		audiodevopen();
-		audio.amode = amode;
-		poperror();
-		aqunlock(&audio);
-		break;
-	}
-	c = devopen(c, omode, audiodir, nelem(audiodir), devgen);
-	c->mode = openmode(omode);
-	c->flag |= COPEN;
-	c->offset = 0;
-
-	return c;
-}
-
-static void
-audioclose(Chan *c)
-{
-	switch((ulong)c->qid.path) {
-	default:
-		error(Eperm);
-		break;
-
-	case Qdir:
-	case Qvolume:
-		break;
-
-	case Qaudio:
-		if(c->flag & COPEN) {
-			aqlock(&audio);
-			audiodevclose();
-			audio.amode = Aclosed;
-			aqunlock(&audio);
-		}
-		break;
-	}
-}
-
-static long
-audioread(Chan *c, void *v, long n, vlong off)
-{
-	int liv, riv, lov, rov;
-	long m;
-	char buf[300];
-	int j;
-	ulong offset = off;
-	char *a;
-
-	a = v;
-	switch((ulong)c->qid.path) {
-	default:
-		error(Eperm);
-		break;
-
-	case Qdir:
-		return devdirread(c, a, n, audiodir, nelem(audiodir), devgen);
-
-	case Qaudio:
-		if(audio.amode != Aread)
-			error(Emode);
-		aqlock(&audio);
-		if(waserror()){
-			aqunlock(&audio);
-			nexterror();
-		}
-		n = audiodevread(v, n);
-		poperror();
-		aqunlock(&audio);
-		break;
-
-	case Qvolume:
-		j = 0;
-		buf[0] = 0;
-		for(m=0; volumes[m].name; m++){
-			audiodevgetvol(m, &lov, &rov);
-			liv = lov;
-			riv = rov;
-			j += snprint(buf+j, sizeof(buf)-j, "%s", volumes[m].name);
-			if((volumes[m].flag & Fmono) || (liv==riv && lov==rov)){
-				if((volumes[m].flag&(Fin|Fout))==(Fin|Fout) && liv==lov)
-					j += snprint(buf+j, sizeof(buf)-j, " %d", liv);
-				else{
-					if(volumes[m].flag & Fin)
-						j += snprint(buf+j, sizeof(buf)-j,
-							" in %d", liv);
-					if(volumes[m].flag & Fout)
-						j += snprint(buf+j, sizeof(buf)-j,
-							" out %d", lov);
-				}
-			}else{
-				if((volumes[m].flag&(Fin|Fout))==(Fin|Fout) &&
-				    liv==lov && riv==rov)
-					j += snprint(buf+j, sizeof(buf)-j,
-						" left %d right %d",
-						liv, riv);
-				else{
-					if(volumes[m].flag & Fin)
-						j += snprint(buf+j, sizeof(buf)-j,
-							" in left %d right %d",
-							liv, riv);
-					if(volumes[m].flag & Fout)
-						j += snprint(buf+j, sizeof(buf)-j,
-							" out left %d right %d",
-							lov, rov);
-				}
-			}
-			j += snprint(buf+j, sizeof(buf)-j, "\n");
-		}
-		return readstr(offset, a, n, buf);
-	}
-	return n;
-}
-
-static long
-audiowrite(Chan *c, void *vp, long n, vlong off)
-{
-	long m;
-	int i, v, left, right, in, out;
-	Cmdbuf *cb;
-	char *a;
-
-	USED(off);
-	a = vp;
-	switch((ulong)c->qid.path) {
-	default:
-		error(Eperm);
-		break;
-
-	case Qvolume:
-		v = Vaudio;
-		left = 1;
-		right = 1;
-		in = 1;
-		out = 1;
-		cb = parsecmd(vp, n);
-		if(waserror()){
-			free(cb);
-			nexterror();
-		}
-
-		for(i = 0; i < cb->nf; i++){
-			/*
-			 * a number is volume
-			 */
-			if(cb->f[i][0] >= '0' && cb->f[i][0] <= '9') {
-				m = strtoul(cb->f[i], 0, 10);
-				if(!out)
-					goto cont0;
-				if(left && right)
-					audiodevsetvol(v, m, m);
-				else if(left)
-					audiodevsetvol(v, m, -1);
-				else if(right)
-					audiodevsetvol(v, -1, m);
-				goto cont0;
-			}
-
-			for(m=0; volumes[m].name; m++) {
-				if(strcmp(cb->f[i], volumes[m].name) == 0) {
-					v = m;
-					in = 1;
-					out = 1;
-					left = 1;
-					right = 1;
-					goto cont0;
-				}
-			}
-
-			if(strcmp(cb->f[i], "reset") == 0) {
-				resetlevel();
-				goto cont0;
-			}
-			if(strcmp(cb->f[i], "in") == 0) {
-				in = 1;
-				out = 0;
-				goto cont0;
-			}
-			if(strcmp(cb->f[i], "out") == 0) {
-				in = 0;
-				out = 1;
-				goto cont0;
-			}
-			if(strcmp(cb->f[i], "left") == 0) {
-				left = 1;
-				right = 0;
-				goto cont0;
-			}
-			if(strcmp(cb->f[i], "right") == 0) {
-				left = 0;
-				right = 1;
-				goto cont0;
-			}
-			error(Evolume);
-			break;
-		cont0:;
-		}
-		free(cb);
-		poperror();
-		break;
-
-	case Qaudio:
-		if(audio.amode != Awrite)
-			error(Emode);
-		aqlock(&audio);
-		if(waserror()){
-			aqunlock(&audio);
-			nexterror();
-		}
-		n = audiodevwrite(vp, n);
-		poperror();
-		aqunlock(&audio);
-		break;
-	}
-	return n;
-}
-
-void
-audioswab(uchar *a, uint n)
-{
-	ulong *p, *ep, b;
-
-	p = (ulong*)a;
-	ep = p + (n>>2);
-	while(p < ep) {
-		b = *p;
-		b = (b>>24) | (b<<24) |
-			((b&0xff0000) >> 8) |
-			((b&0x00ff00) << 8);
-		*p++ = b;
-	}
-}
-
-Dev audiodevtab = {
-	'A',
-	"audio",
-
-	devreset,
-	audioinit,
-	devshutdown,
-	audioattach,
-	audiowalk,
-	audiostat,
-	audioopen,
-	devcreate,
-	audioclose,
-	audioread,
-	devbread,
-	audiowrite,
-	devbwrite,
-	devremove,
-	devwstat,
-};