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Overview
Comment:Make sure the open_db() routine in the CLI does not invoke access() with a NULL filename.
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SHA3-256:20a8c61122f37a43c418ca4415b3d26e0f7a27a6faea9048aa9fbb1a56e9d629
User & Date: drh 2018-05-11 15:10:11
Context
2018-05-11
15:10
Fix a typo in the help message from the ".sha3sum" command in the CLI. check-in: dba87a20 user: drh tags: trunk
15:10
Make sure the open_db() routine in the CLI does not invoke access() with a NULL filename. check-in: 20a8c611 user: drh tags: trunk
2018-05-09
16:32
Add a test case to check that the fts5 unicode64 tokenizer is dealing with codepoints greater than 65535 correctly. check-in: 9f7a6ae8 user: dan tags: trunk
Changes
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Changes to src/shell.c.in.

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/*
** Make sure the database is open.  If it is not, then open it.  If
** the database fails to open, print an error message and exit.
*/
static void open_db(ShellState *p, int keepAlive){
  if( p->db==0 ){
    if( p->openMode==SHELL_OPEN_UNSPEC && access(p->zDbFilename,0)==0 ){



      p->openMode = (u8)deduceDatabaseType(p->zDbFilename, 0);

    }
    switch( p->openMode ){
      case SHELL_OPEN_APPENDVFS: {
        sqlite3_open_v2(p->zDbFilename, &p->db, 
           SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, "apndvfs");
        break;
      }







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/*
** Make sure the database is open.  If it is not, then open it.  If
** the database fails to open, print an error message and exit.
*/
static void open_db(ShellState *p, int keepAlive){
  if( p->db==0 ){
    if( p->openMode==SHELL_OPEN_UNSPEC ){
      if( p->zDbFilename==0 || p->zDbFilename[0]==0 ){
        p->openMode = SHELL_OPEN_NORMAL;
      }else if( access(p->zDbFilename,0)==0 ){
        p->openMode = (u8)deduceDatabaseType(p->zDbFilename, 0);
      }
    }
    switch( p->openMode ){
      case SHELL_OPEN_APPENDVFS: {
        sqlite3_open_v2(p->zDbFilename, &p->db, 
           SQLITE_OPEN_READWRITE|SQLITE_OPEN_CREATE, "apndvfs");
        break;
      }