Import sources from 2011-03-30 iso image

1 files changed, 234 insertions, 0 deletions

diff --git a/sys/src/libc/9sys/fcallfmt.c b/sys/src/libc/9sys/fcallfmt.c
new file mode 100755
index 000000000..c5a8af614
--- /dev/null
+++ b/sys/src/libc/9sys/fcallfmt.c
@@ -0,0 +1,234 @@
+#include <u.h>
+#include <libc.h>
+#include <fcall.h>
+
+static uint dumpsome(char*, char*, char*, long);
+static void fdirconv(char*, char*, Dir*);
+static char *qidtype(char*, uchar);
+
+#define	QIDFMT	"(%.16llux %lud %s)"
+
+int
+fcallfmt(Fmt *fmt)
+{
+	Fcall *f;
+	int fid, type, tag, i;
+	char buf[512], tmp[200];
+	char *p, *e;
+	Dir *d;
+	Qid *q;
+
+	e = buf+sizeof(buf);
+	f = va_arg(fmt->args, Fcall*);
+	type = f->type;
+	fid = f->fid;
+	tag = f->tag;
+	switch(type){
+	case Tversion:	/* 100 */
+		seprint(buf, e, "Tversion tag %ud msize %ud version '%s'", tag, f->msize, f->version);
+		break;
+	case Rversion:
+		seprint(buf, e, "Rversion tag %ud msize %ud version '%s'", tag, f->msize, f->version);
+		break;
+	case Tauth:	/* 102 */
+		seprint(buf, e, "Tauth tag %ud afid %d uname %s aname %s", tag,
+			f->afid, f->uname, f->aname);
+		break;
+	case Rauth:
+		seprint(buf, e, "Rauth tag %ud qid " QIDFMT, tag,
+			f->aqid.path, f->aqid.vers, qidtype(tmp, f->aqid.type));
+		break;
+	case Tattach:	/* 104 */
+		seprint(buf, e, "Tattach tag %ud fid %d afid %d uname %s aname %s", tag,
+			fid, f->afid, f->uname, f->aname);
+		break;
+	case Rattach:
+		seprint(buf, e, "Rattach tag %ud qid " QIDFMT, tag,
+			f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type));
+		break;
+	case Rerror:	/* 107; 106 (Terror) illegal */
+		seprint(buf, e, "Rerror tag %ud ename %s", tag, f->ename);
+		break;
+	case Tflush:	/* 108 */
+		seprint(buf, e, "Tflush tag %ud oldtag %ud", tag, f->oldtag);
+		break;
+	case Rflush:
+		seprint(buf, e, "Rflush tag %ud", tag);
+		break;
+	case Twalk:	/* 110 */
+		p = seprint(buf, e, "Twalk tag %ud fid %d newfid %d nwname %d ", tag, fid, f->newfid, f->nwname);
+		if(f->nwname <= MAXWELEM)
+			for(i=0; i<f->nwname; i++)
+				p = seprint(p, e, "%d:%s ", i, f->wname[i]);
+		break;
+	case Rwalk:
+		p = seprint(buf, e, "Rwalk tag %ud nwqid %ud ", tag, f->nwqid);
+		if(f->nwqid <= MAXWELEM)
+			for(i=0; i<f->nwqid; i++){
+				q = &f->wqid[i];
+				p = seprint(p, e, "%d:" QIDFMT " ", i,
+					q->path, q->vers, qidtype(tmp, q->type));
+			}
+		break;
+	case Topen:	/* 112 */
+		seprint(buf, e, "Topen tag %ud fid %ud mode %d", tag, fid, f->mode);
+		break;
+	case Ropen:
+		seprint(buf, e, "Ropen tag %ud qid " QIDFMT " iounit %ud ", tag,
+			f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type), f->iounit);
+		break;
+	case Tcreate:	/* 114 */
+		seprint(buf, e, "Tcreate tag %ud fid %ud name %s perm %M mode %d", tag, fid, f->name, (ulong)f->perm, f->mode);
+		break;
+	case Rcreate:
+		seprint(buf, e, "Rcreate tag %ud qid " QIDFMT " iounit %ud ", tag,
+			f->qid.path, f->qid.vers, qidtype(tmp, f->qid.type), f->iounit);
+		break;
+	case Tread:	/* 116 */
+		seprint(buf, e, "Tread tag %ud fid %d offset %lld count %ud",
+			tag, fid, f->offset, f->count);
+		break;
+	case Rread:
+		p = seprint(buf, e, "Rread tag %ud count %ud ", tag, f->count);
+			dumpsome(p, e, f->data, f->count);
+		break;
+	case Twrite:	/* 118 */
+		p = seprint(buf, e, "Twrite tag %ud fid %d offset %lld count %ud ",
+			tag, fid, f->offset, f->count);
+		dumpsome(p, e, f->data, f->count);
+		break;
+	case Rwrite:
+		seprint(buf, e, "Rwrite tag %ud count %ud", tag, f->count);
+		break;
+	case Tclunk:	/* 120 */
+		seprint(buf, e, "Tclunk tag %ud fid %ud", tag, fid);
+		break;
+	case Rclunk:
+		seprint(buf, e, "Rclunk tag %ud", tag);
+		break;
+	case Tremove:	/* 122 */
+		seprint(buf, e, "Tremove tag %ud fid %ud", tag, fid);
+		break;
+	case Rremove:
+		seprint(buf, e, "Rremove tag %ud", tag);
+		break;
+	case Tstat:	/* 124 */
+		seprint(buf, e, "Tstat tag %ud fid %ud", tag, fid);
+		break;
+	case Rstat:
+		p = seprint(buf, e, "Rstat tag %ud ", tag);
+		if(f->nstat > sizeof tmp)
+			seprint(p, e, " stat(%d bytes)", f->nstat);
+		else{
+			d = (Dir*)tmp;
+			convM2D(f->stat, f->nstat, d, (char*)(d+1));
+			seprint(p, e, " stat ");
+			fdirconv(p+6, e, d);
+		}
+		break;
+	case Twstat:	/* 126 */
+		p = seprint(buf, e, "Twstat tag %ud fid %ud", tag, fid);
+		if(f->nstat > sizeof tmp)
+			seprint(p, e, " stat(%d bytes)", f->nstat);
+		else{
+			d = (Dir*)tmp;
+			convM2D(f->stat, f->nstat, d, (char*)(d+1));
+			seprint(p, e, " stat ");
+			fdirconv(p+6, e, d);
+		}
+		break;
+	case Rwstat:
+		seprint(buf, e, "Rwstat tag %ud", tag);
+		break;
+	default:
+		seprint(buf, e,  "unknown type %d", type);
+	}
+	return fmtstrcpy(fmt, buf);
+}
+
+static char*
+qidtype(char *s, uchar t)
+{
+	char *p;
+
+	p = s;
+	if(t & QTDIR)
+		*p++ = 'd';
+	if(t & QTAPPEND)
+		*p++ = 'a';
+	if(t & QTEXCL)
+		*p++ = 'l';
+	if(t & QTAUTH)
+		*p++ = 'A';
+	*p = '\0';
+	return s;
+}
+
+int
+dirfmt(Fmt *fmt)
+{
+	char buf[160];
+
+	fdirconv(buf, buf+sizeof buf, va_arg(fmt->args, Dir*));
+	return fmtstrcpy(fmt, buf);
+}
+
+static void
+fdirconv(char *buf, char *e, Dir *d)
+{
+	char tmp[16];
+
+	seprint(buf, e, "'%s' '%s' '%s' '%s' "
+		"q " QIDFMT " m %#luo "
+		"at %ld mt %ld l %lld "
+		"t %d d %d",
+			d->name, d->uid, d->gid, d->muid,
+			d->qid.path, d->qid.vers, qidtype(tmp, d->qid.type), d->mode,
+			d->atime, d->mtime, d->length,
+			d->type, d->dev);
+}
+
+/*
+ * dump out count (or DUMPL, if count is bigger) bytes from
+ * buf to ans, as a string if they are all printable,
+ * else as a series of hex bytes
+ */
+#define DUMPL 64
+
+static uint
+dumpsome(char *ans, char *e, char *buf, long count)
+{
+	int i, printable;
+	char *p;
+
+	if(buf == nil){
+		seprint(ans, e, "<no data>");
+		return strlen(ans);
+	}
+	printable = 1;
+	if(count > DUMPL)
+		count = DUMPL;
+	for(i=0; i<count && printable; i++)
+		if((buf[i]<32 && buf[i] !='\n' && buf[i] !='\t') || (uchar)buf[i]>127)
+			printable = 0;
+	p = ans;
+	*p++ = '\'';
+	if(printable){
+		if(count > e-p-2)
+			count = e-p-2;
+		memmove(p, buf, count);
+		p += count;
+	}else{
+		if(2*count > e-p-2)
+			count = (e-p-2)/2;
+		for(i=0; i<count; i++){
+			if(i>0 && i%4==0)
+				*p++ = ' ';
+			sprint(p, "%2.2ux", (uchar)buf[i]);
+			p += 2;
+		}
+	}
+	*p++ = '\'';
+	*p = 0;
+	return p - ans;
+}