shithub: c9

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fix: walk with 0 elements in path is totally valid

--- a/c9.c

+++ b/c9.c

@@ -277,8 +277,8 @@

 		}

 		sz += 2 + len[i];

 	}

-	if(path[i] != NULL || i == 0){

-		c->error("c9walk: invalid elements !(0 < %u <= %u)", i, C9maxpathel);

+	if(path[i] != NULL){

+		c->error("c9walk: invalid elements !(0 <= %u <= %u)", i, C9maxpathel);

 		return C9Epath;

 	}

@@ -497,7 +497,7 @@

 		break;

 	case Rwalk:

-		if(sz < 2+13 || (cnt = r16(&b))*13 > sz-2)

+		if(sz < 2 || (cnt = r16(&b))*13 > sz-2)

 			goto error;

 		if(cnt > C9maxpathel){

 			c->error("c9proc: Rwalk !(%u <= %u)", cnt, C9maxpathel);