Fix the openDirectory() routine in the unix VFS so that it works for databases

located in the root of the filesystem and for database files that have no
pathname at all.

FossilOrigin-Name: e7ae120d04cffafd9bc2b4ecd68571c17e05ed72

1 files changed, 9 insertions, 6 deletions

diff --git a/src/os_unix.c b/src/os_unix.c
index beaac0d15..791ba5d8d 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3465,13 +3465,16 @@ static int openDirectory(const char *zFilename, int *pFd){
   char zDirname[MAX_PATHNAME+1];
 
   sqlite3_snprintf(MAX_PATHNAME, zDirname, "%s", zFilename);
-  for(ii=(int)strlen(zDirname); ii>1 && zDirname[ii]!='/'; ii--);
-  if( ii>1 ){
+  for(ii=(int)strlen(zDirname); ii>0 && zDirname[ii]!='/'; ii--);
+  if( ii>0 ){
     zDirname[ii] = '\0';
-    fd = robust_open(zDirname, O_RDONLY|O_BINARY, 0);
-    if( fd>=0 ){
-      OSTRACE(("OPENDIR %-3d %s\n", fd, zDirname));
-    }
+  }else{
+    if( zDirname[0]!='/' ) zDirname[0] = '.';
+    zDirname[1] = 0;
+  }
+  fd = robust_open(zDirname, O_RDONLY|O_BINARY, 0);
+  if( fd>=0 ){
+    OSTRACE(("OPENDIR %-3d %s\n", fd, zDirname));
   }
   *pFd = fd;
   if( fd>=0 ) return SQLITE_OK;