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

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FossilOrigin-Name: 3c6cadb396de3981bd950eddd532daa8134bd4bf22c578620e323835c96a8500
This commit is contained in:
dan
2023-01-10 14:31:56 +00:00
parent bf395ec58e
commit 2e77734b98
4 changed files with 43 additions and 14 deletions
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8
src/os_unix.c
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@@ -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;
}
}