git: 9front

--- a/sys/include/bio.h

+++ b/sys/include/bio.h

@@ -66,7 +66,6 @@

 void*	Brdline(Biobufhdr*, int);

 char*	Brdstr(Biobufhdr*, int, int);

 long	Bread(Biobufhdr*, void*, long);

-long	Breadn(Biobufhdr*, void*, long);

 vlong	Bseek(Biobufhdr*, vlong, int);

 int	Bterm(Biobufhdr*);

 int	Bungetc(Biobufhdr*);

--- a/sys/man/2/bio

+++ b/sys/man/2/bio

@@ -1,6 +1,6 @@

 .TH BIO 2

 .SH NAME

-Bopen, Binit, Binits, Brdline, Brdstr, Bgetc, Bgetrune, Bgetd, Bungetc, Bungetrune, Bread, Breadn, Bseek, Boffset, Bfildes, Blinelen, Bputc, Bputrune, Bprint, Bvprint, Bwrite, Bflush, Bterm, Bbuffered, Blethal \- buffered input/output

+Bopen, Binit, Binits, Brdline, Brdstr, Bgetc, Bgetrune, Bgetd, Bungetc, Bungetrune, Bread, Bseek, Boffset, Bfildes, Blinelen, Bputc, Bputrune, Bprint, Bvprint, Bwrite, Bflush, Bterm, Bbuffered, Blethal \- buffered input/output

 .SH SYNOPSIS

 .ta \w'Biobuf* 'u

 .B #include <u.h>

@@ -70,9 +70,6 @@

 long	Bread(Biobufhdr *bp, void *addr, long nbytes)

.PP

.B

-long	Breadn(Biobufhdr *bp, void *addr, long nbytes)

-.PP

-.B

 long	Bwrite(Biobufhdr *bp, void *addr, long nbytes)

.PP

.B

@@ -238,13 +235,6 @@

 .IR addr .

 The number of bytes read is returned on success

 and a negative value is returned if a read error occurred.

-.PP

-.I Breadn

-is like

-.I Bread

-but continues reading until

-.I nbytes

-have been read into the buffer.

.PP

 .I Bseek

 applies

--- a/sys/src/cmd/jpg/ico.c

+++ b/sys/src/cmd/jpg/ico.c

@@ -60,7 +60,7 @@

 	int i;

 	memset(h, 0, sizeof(*h));

-	if(Breadn(b, buf, 6) != 6)

+	if(Bread(b, buf, 6) != 6)

 		goto eof;

 	if(gets(&buf[0]) != 0)

 		goto header;

@@ -71,7 +71,7 @@

 		icon = mallocz(sizeof(*icon), 1);

 		if(icon == nil)

 			sysfatal("malloc: %r");

-		if(Breadn(b, buf, 16) != 16)

+		if(Bread(b, buf, 16) != 16)

 			goto eof;

 		icon->w = buf[0] == 0 ? 256 : buf[0];

 		icon->h = buf[1] == 0 ? 256 : buf[1];

@@ -215,7 +215,7 @@

 	buf = malloc(icon->len);

 	if(buf == nil)

 		return -1;

-	if(Breadn(b, buf, icon->len) != icon->len){

+	if(Bread(b, buf, icon->len) != icon->len){

 		werrstr("unexpected EOF");

 		return -1;

--- a/sys/src/cmd/jpg/readbmp.c

+++ b/sys/src/cmd/jpg/readbmp.c

@@ -320,7 +320,7 @@

 		for(iy = height; iy; iy--, i += step_up)

 			for(ix = 0; ix < width; ix++, i++) {

 				unsigned val;

-				Breadn(b, c, sizeof(c));

+				Bread(b, c, sizeof(c));

 				val = (unsigned)c[0] + ((unsigned)c[1] << 8);

 				buf[i].alpha = 0;

@@ -340,7 +340,7 @@

 	} else

 		for(iy = height; iy; iy--, i += step_up)

 			for(ix = 0; ix < width; ix++, i++) {

-				Breadn(b, c, sizeof(c));

+				Bread(b, c, sizeof(c));

 				buf[i].blue = (uchar)((c[0] << 3) & 0xf8);

 				buf[i].green = (uchar)(((((unsigned)c[1] << 6) +

 				                        (((unsigned)c[0]) >> 2))) & 0xf8);

@@ -406,7 +406,7 @@

 		for(iy = height; iy; iy--, i += step_up)

 			for(ix = 0; ix < width; ix++, i++) {

 				ulong val;

-				Breadn(b, c, sizeof(c));

+				Bread(b, c, sizeof(c));

 				val =  (ulong)c[0] + ((ulong)c[1] << 8) +

 				      ((ulong)c[2] << 16) + ((ulong)c[1] << 24);

@@ -427,7 +427,7 @@

 	} else

 		for(iy = height; iy; iy--, i += step_up)

 			for(ix = 0; ix < width; ix++, i++) {

-				Breadn(b, c, nelem(c));

+				Bread(b, c, nelem(c));

 				buf[i].blue = c[0];

 				buf[i].green = c[1];

 				buf[i].red = c[2];

--- a/sys/src/cmd/jpg/readgif.c

+++ b/sys/src/cmd/jpg/readgif.c

@@ -224,7 +224,7 @@

 void

 readheader(Header *h)

-	if(Breadn(h->fd, h->buf, 13) != 13)

+	if(Bread(h->fd, h->buf, 13) != 13)

 		giferror(h, "ReadGIF: can't read header: %r");

 	memmove(h->vers, h->buf, 6);

 	if(strcmp(h->vers, "GIF87a")!=0 &&  strcmp(h->vers, "GIF89a")!=0)

@@ -249,7 +249,7 @@

 	if(size > 8)

 		giferror(h, "ReadGIF: can't handles %d bits per pixel", size);

 	size = 3*(1<<size);

-	if(Breadn(h->fd, h->buf, size) != size)

+	if(Bread(h->fd, h->buf, size) != size)

 		giferror(h, "ReadGIF: short read on color map");

 	map = malloc(size);

 	if(map == nil)

@@ -265,7 +265,7 @@

 	Rawimage *i;

 	int left, top, width, height;

-	if(Breadn(h->fd, h->buf, 9) != 9)

+	if(Bread(h->fd, h->buf, 9) != 9)

 		giferror(h, "ReadGIF: can't read image descriptor: %r");

 	i = malloc(sizeof(Rawimage));

 	if(i == nil)

@@ -297,7 +297,7 @@

 		giferror(h, "ReadGIF: can't read data: %r");

 	if(nbytes == 0)

 		return 0;

-	n = Breadn(h->fd, data, nbytes);

+	n = Bread(h->fd, data, nbytes);

 	if(n < 0)

 		giferror(h, "ReadGIF: can't read data: %r");

 	if(n != nbytes)

@@ -309,7 +309,7 @@

 void

 graphiccontrol(Header *h)

-	if(Breadn(h->fd, h->buf, 5+1) != 5+1)

+	if(Bread(h->fd, h->buf, 5+1) != 5+1)

 		giferror(h, readerr);

 	h->flags = h->buf[1];

 	h->delay = h->buf[2]+(h->buf[3]<<8);

@@ -350,7 +350,7 @@

 	default:

 		giferror(h, "ReadGIF: unknown extension");

-	if(hsize>0 && Breadn(h->fd, h->buf, hsize) != hsize)

+	if(hsize>0 && Bread(h->fd, h->buf, hsize) != hsize)

 		giferror(h, extreaderr);

 	if(!hasdata){

/*

--- a/sys/src/cmd/jpg/readjpg.c

+++ b/sys/src/cmd/jpg/readjpg.c

@@ -450,7 +450,7 @@

 		*markerp = m;

 		return 0;

-	if(Breadn(h->fd, tmp, 2) != 2)

+	if(Bread(h->fd, tmp, 2) != 2)

     Readerr:

 		jpgerror(h, readerr);

 	n = int2(tmp, 0);

@@ -464,7 +464,7 @@

 		h->nbuf = n;

 	/* accept short reads to cope with some real-world jpegs */

-	if(Breadn(h->fd, h->buf, n) < 0)

+	if(Bread(h->fd, h->buf, n) < 0)

 		goto Readerr;

 	*markerp = m;

 	return n;

--- a/sys/src/cmd/jpg/readpng.c

+++ b/sys/src/cmd/jpg/readpng.c

@@ -100,7 +100,7 @@

 	ulong crc = 0, crc2;

 	int n, nr;

-	if(Breadn(b, buf, 8) != 8)

+	if(Bread(b, buf, 8) != 8)

 		return -1;

 	n = get4(buf);

 	memmove(type, buf+4, 4);

@@ -107,12 +107,12 @@

 	type[4] = 0;

 	if(n > m)

 		sysfatal("getchunk needed %d, had %d", n, m);

-	nr = Breadn(b, d, n);

+	nr = Bread(b, d, n);

 	if(nr != n)

 		sysfatal("getchunk read %d, expected %d", nr, n);

 	crc = blockcrc(crctab, crc, type, 4);

 	crc = blockcrc(crctab, crc, d, n);

-	if(Breadn(b, buf, 4) != 4)

+	if(Bread(b, buf, 4) != 4)

 		sysfatal("getchunk tlr failed");

 	crc2 = get4(buf);

 	if(crc != crc2)

@@ -388,7 +388,7 @@

 	ZlibW zw;

 	buf = pngmalloc(IDATSIZE, 0);

-	Breadn(b, buf, sizeof PNGmagic);

+	Bread(b, buf, sizeof PNGmagic);

 	if(memcmp(PNGmagic, buf, sizeof PNGmagic) != 0)

 		sysfatal("bad PNGmagic");

--- a/sys/src/cmd/jpg/readtga.c

+++ b/sys/src/cmd/jpg/readtga.c

@@ -113,7 +113,7 @@

 		free(h);

 		return nil;

-	if(Breadn(bp, h->cmap, n) != n){

+	if(Bread(bp, h->cmap, n) != n){

 		free(h);

 		free(h->cmap);

 		return nil;

@@ -124,7 +124,7 @@

 static int

 luma(Biobuf *bp, uchar *l, int num)

-	return Breadn(bp, l, num);

+	return Bread(bp, l, num);

 static int

@@ -164,7 +164,7 @@

 	switch(bpp){

 	case 16:

 		for(i = 0; i < num; i++){

-			if(Breadn(bp, buf, 2) != 2)

+			if(Bread(bp, buf, 2) != 2)

 				break;

 			x = buf[0];

 			y = buf[1];

@@ -175,7 +175,7 @@

 		break;

 	case 24:

 		for(i = 0; i < num; i++){

-			if(Breadn(bp, buf, 3) != 3)

+			if(Bread(bp, buf, 3) != 3)

 				break;

 			*b++ = buf[0];

 			*g++ = buf[1];

@@ -184,7 +184,7 @@

 		break;

 	case 32:

 		for(i = 0; i < num; i++){

-			if(Breadn(bp, buf, 4) != 4)

+			if(Bread(bp, buf, 4) != 4)

 				break;

 			*b++ = buf[0];

 			*g++ = buf[1];

--- a/sys/src/cmd/jpg/readv210.c

+++ b/sys/src/cmd/jpg/readv210.c

@@ -120,7 +120,7 @@

 		goto Error;

 	for(l = 0; l < lines; l++){

-		if(Breadn(bp, buf, chunk) == -1)

+		if(Bread(bp, buf, chunk) == -1)

 			goto Error;

 		rd = 0;

--- a/sys/src/cmd/jpg/readyuv.c

+++ b/sys/src/cmd/jpg/readyuv.c

@@ -126,7 +126,7 @@

 		goto Error;

 	for (l = 0; l < lines; l++) {

-		if (Breadn(bp, buf, pixels *2) == -1)

+		if (Bread(bp, buf, pixels *2) == -1)

 			goto Error;

 		base = l*pixels*2;

@@ -137,7 +137,7 @@

 	if (bits == 10)

 		for (l = 0; l < lines; l++) {

-			if (Breadn(bp, buf, pixels / 2) == -1)

+			if (Bread(bp, buf, pixels / 2) == -1)

 				goto Error;

--- a/sys/src/cmd/vnc/proto.c

+++ b/sys/src/cmd/vnc/proto.c

@@ -98,7 +98,7 @@

 void

 vncrdbytes(Vnc *v, void *a, int n)

-	if(Breadn(&v->in, a, n) != n){

+	if(Bread(&v->in, a, n) != n){

 		if(verbose > 1)

 			fprint(2, "hungup while reading\n");

 		vnchungup(v);

--

⑨