From 2e77734b982d6b64766b51fba5113d62cd44324f Mon Sep 17 00:00:00 2001
From: dan <Dan Kennedy>
Date: Tue, 10 Jan 2023 14:31:56 +0000
Subject: Fix handling of unix paths that contain ".." components such that "/"
 is considered its own parent directory.

FossilOrigin-Name: 3c6cadb396de3981bd950eddd532daa8134bd4bf22c578620e323835c96a8500
---
 src/os_unix.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

(limited to 'src/os_unix.c')

diff --git a/src/os_unix.c b/src/os_unix.c
index d248703e9..c3359f1bc 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -6462,12 +6462,10 @@ static void appendOnePathElement(
   if( zName[0]=='.' ){
     if( nName==1 ) return;
     if( zName[1]=='.' && nName==2 ){
-      if( pPath->nUsed<=1 ){
-        pPath->rc = SQLITE_ERROR;
-        return;
+      if( pPath->nUsed>1 ){
+        assert( pPath->zOut[0]=='/' );
+        while( pPath->zOut[--pPath->nUsed]!='/' ){}
       }
-      assert( pPath->zOut[0]=='/' );
-      while( pPath->zOut[--pPath->nUsed]!='/' ){}
       return;
     }
   }
-- 
cgit v1.2.3