start thinking about vac -- doesn't build yet

src/cmd/vac/vactest.c

@@ -0,0 +1,182 @@
+#include "stdinc.h"
+#include "vac.h"
+#include "dat.h"
+#include "fns.h"
+
+void usage(void);
+int unvac(VacFS *fs);
+int readScore(int fd, uchar score[VtScoreSize]);
+static void warn(char *fmt, ...);
+void dirlist(VacFS *fs, char *path);
+
+static	int	nwant;
+static	char	**want;
+static	int	dflag = 1;
+static	int	cflag;
+static	int	lower;
+static	int	verbose;
+static	int	settimes;
+
+void
+main(int argc, char *argv[])
+{
+	char *zfile;
+	int ok, table;
+	VtSession *z;
+	char *vsrv = nil;
+	char *host = nil;
+	char *p;
+	int ncache = 1000;
+	VacFS *fs;
+
+	table = 0;
+	zfile = nil;
+	ARGBEGIN{
+	case 'D':
+		dflag++;
+		break;
+	case 'c':
+		cflag++;
+		break;
+	case 'C':
+		p = ARGF();
+		if(p == nil)
+			usage();
+		ncache = atoi(p);
+		if(ncache < 10)
+			ncache = 10;
+		if(ncache > 1000000)
+			ncache = 1000000;
+		break;
+	case 'i':
+		lower++;
+		break;
+	case 'f':
+		zfile = ARGF();
+		if(zfile == nil)
+			usage();
+		break;
+	case 'h':
+		host = ARGF();
+		break;
+	case 't':
+		table++;
+		break;
+	case 'T':
+		settimes++;
+		break;
+	case 's':
+		vsrv = ARGF();
+		break;
+	case 'v':
+		verbose++;
+		break;
+	default:
+		usage();
+		break;
+	}ARGEND
+
+	nwant = argc;
+	want = argv;
+
+	vtAttach();
+
+	if(zfile == nil)
+		usage();
+
+	if(vsrv != nil)
+		z = vtStdioServer(vsrv);
+	else
+		z = vtDial(host);
+	if(z == nil)
+		vtFatal("could not connect to server: %s", vtGetError());
+	vtSetDebug(z, 0);
+	if(!vtConnect(z, 0))
+		vtFatal("vtConnect: %s", vtGetError());
+	fs = vfsOpen(z, zfile, 1, ncache);
+	if(fs == nil)
+		vtFatal("vfsOpen: %s", vtGetError());
+	ok = unvac(fs);
+	vtClose(z);
+	vtDetach();
+	
+	exits(ok? 0 : "error");
+}
+
+void
+usage(void)
+{
+	fprint(2, "usage: %s [-tTcDv] -f zipfile [-s ventid] [-h host] [file ...]\n", argv0);
+	exits("usage");
+}
+
+void
+suck(VacFile *f)
+{
+	USED(f);
+}
+
+
+void
+vacfile(VacFS *fs, char *path, VacDir *vd)
+{
+	char *path2;
+
+	path2 = vtMemAlloc(strlen(path) + 1 + strlen(vd->elem) + 1);
+	if(path[1] == 0)
+		sprintf(path2, "/%s", vd->elem);
+	else
+		sprintf(path2, "%s/%s", path, vd->elem);
+fprint(2, "vac file: %s\n", path2);
+	if(vd->mode & ModeDir)
+		dirlist(fs, path2);
+	vtMemFree(path2);
+}
+
+void
+dirlist(VacFS *fs, char *path)
+{
+	VacDir vd[50];
+	VacDirEnum *ds;
+	int i, n;
+
+	ds = vdeOpen(fs, path);
+	if(ds == nil) {
+		fprint(2, "could not open: %s: %s\n", path, vtGetError());
+		return;
+	}
+	for(;;) {
+		n = vdeRead(ds, vd, sizeof(vd)/sizeof(VacDir));
+		if(n < 0) {
+			warn("vdRead failed: %s: %s", path, vtGetError());
+			return;
+		}
+		if(n == 0)
+			break;
+		for(i=0; i<n; i++) {
+			vacfile(fs, path, &vd[i]);
+			vdCleanup(&vd[i]);
+		}
+	}
+	vdeFree(ds);
+}
+
+int
+unvac(VacFS *fs)
+{
+	dirlist(fs, "/");
+
+	return 1;
+}
+
+static void
+warn(char *fmt, ...)
+{
+	va_list arg;
+
+	va_start(arg, fmt);
+	fprint(2, "%s: ", argv0);
+	vfprint(2, fmt, arg);
+	fprint(2, "\n");
+	va_end(arg);
+}