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Overview
Comment:Save an if(...) clause made redundant by (3691). (CVS 3692)
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SHA1: 8153edf8bea51b9344de1b700482879190f86fb4
User & Date: danielk1977 2007-03-15 15:35:29.000
Context
2007-03-16
18:30
Out-of-memory cleanup in tokenizers. Handle NULL return from malloc/calloc/realloc appropriately, and use sizeof(var) instead of sizeof(type) to make certain that we don't get a mismatch between them as the code rots. (CVS 3693) (check-in: fbc53da8c6 user: shess tags: trunk)
2007-03-15
15:35
Save an if(...) clause made redundant by (3691). (CVS 3692) (check-in: 8153edf8be user: danielk1977 tags: trunk)
15:33
Check for multiple calls to sqlite3FailedMalloc(). Ignore the second and subsequent calls. (CVS 3691) (check-in: 7180874592 user: danielk1977 tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/attach.c. 
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/*
** 2003 April 6
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.53 2006/06/27 16:34:57 danielk1977 Exp $
*/
#include "sqliteInt.h"

/*
** Resolve an expression that was part of an ATTACH or DETACH statement. This
** is slightly different from resolving a normal SQL expression, because simple
** identifiers are treated as strings, not possible column names or aliases.














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/*
** 2003 April 6
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:
**
**    May you do good and not evil.
**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code used to implement the ATTACH and DETACH commands.
**
** $Id: attach.c,v 1.54 2007/03/15 15:35:29 danielk1977 Exp $
*/
#include "sqliteInt.h"

/*
** Resolve an expression that was part of an ATTACH or DETACH statement. This
** is slightly different from resolving a normal SQL expression, because simple
** identifiers are treated as strings, not possible column names or aliases.
︙︙
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      sqlite3BtreeClose(db->aDb[iDb].pBt);
      db->aDb[iDb].pBt = 0;
      db->aDb[iDb].pSchema = 0;
    }
    sqlite3ResetInternalSchema(db, 0);
    db->nDb = iDb;
    if( rc==SQLITE_NOMEM ){
      if( !sqlite3MallocFailed() ) sqlite3FailedMalloc();
      sqlite3_snprintf(sizeof(zErr),zErr, "out of memory");
    }else{
      sqlite3_snprintf(sizeof(zErr),zErr, "unable to open database: %s", zFile);
    }
    goto attach_error;
  }
  








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      sqlite3BtreeClose(db->aDb[iDb].pBt);
      db->aDb[iDb].pBt = 0;
      db->aDb[iDb].pSchema = 0;
    }
    sqlite3ResetInternalSchema(db, 0);
    db->nDb = iDb;
    if( rc==SQLITE_NOMEM ){
      sqlite3FailedMalloc();
      sqlite3_snprintf(sizeof(zErr),zErr, "out of memory");
    }else{
      sqlite3_snprintf(sizeof(zErr),zErr, "unable to open database: %s", zFile);
    }
    goto attach_error;
  }
︙︙