commit 2e77734b982d6b64766b51fba5113d62cd44324f
author dan <Dan Kennedy> Tue Jan 10 14:31:56 2023 +0000
committer dan <Dan Kennedy> Tue Jan 10 14:31:56 2023 +0000
tree 0fdde5ae5d5f75c0cea36e6aee38ccf509f2a977
parent bf395ec58e00e9997fb852ec71dcd327839da4c5

Fix handling of unix paths that contain ".." components such that "/" is considered its own parent directory.

FossilOrigin-Name: 3c6cadb396de3981bd950eddd532daa8134bd4bf22c578620e323835c96a8500

src/os_unix.c

diff --git a/src/os_unix.c b/src/os_unix.c
index d248703..c3359f1 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -6462,12 +6462,10 @@
   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;
     }
   }