shithub: 9pro

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make valgrind happier

--- a/9pex.c

+++ b/9pex.c

@@ -310,6 +310,7 @@

 		if ((real = realpath(path, NULL)) == NULL)

 			break;

+		free(path);

 		if (strlen(real) < rootlen) { /* don't escape root */

 			free(real);

 			real = strdup(rootpath);

@@ -520,6 +521,7 @@

 		}

 	}

+	num = 0;

 	for (i = 0; i < nelem(c9st); i++) {

 		dirpos[i] = telldir(f->dir); /* so we can rewind in case another stat doesn't fit */

@@ -537,14 +539,14 @@

 		}

 		if (stat2c9stat(e->d_name, &st, &c9st[i], err) != 0)

 			return -1;

-		c9stp[i] = &c9st[i];

+		c9stp[num++] = &c9st[i];

 	}

-	num = i;

 	if (s9readdir(c, tag, c9stp, &num, &f->diroffset, size) != 0)

 		return -1;

 	trace("<- Rread tag=%d ...\n", tag);

-	seekdir(f->dir, dirpos[num]);

+	if (num > 0)

+		seekdir(f->dir, dirpos[num]);

 	return 0;

 }

@@ -654,7 +656,7 @@

 			err = Enowrite;

 			break;

 		case Tclunk:

-			trace("\n");

+			trace(" fid=%d\n", t->fid);

 			if (delfid(t->fid, &err) == 0 && s9do(s9clunk(c, t->tag), &err) == 0)

 				trace("<- Rclunk tag=%d\n", t->tag);

 			break;

@@ -685,7 +687,8 @@

 int

 main(int argc, char **argv)

 {

-	int can;

+	Fid *f;

+	int can, i;

 	used(argc); used(argv);

@@ -707,8 +710,8 @@

 	ctx.t = ctxt;

 	ctx.error = trace;

-	rdbuf = malloc(ctx.msize);

-	wrbuf = malloc(ctx.msize);

+	rdbuf = calloc(1, ctx.msize);

+	wrbuf = calloc(1, ctx.msize);

 	wroff = 0;

 	for (;;) {

@@ -717,6 +720,22 @@

 		if ((can & Canrd) != 0 && s9proc(&ctx) != 0)

 			break;

 	}

+

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

+		if ((f = fids[i]) != NULL) {

+			if (f->dir != NULL)

+				closedir(f->dir);

+			else if (f->fd >= 0)

+				close(f->fd);

+			free(f->path);

+			free(f);

+		}

+	}

+

+	memset(wrbuf, 0, ctx.msize);

+	free(wrbuf);

+	memset(rdbuf, 0, ctx.msize);

+	free(rdbuf);

 	return 0;

 }