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Overview
Comment:Minor optimization to sqlite3VdbeMemSetStr().
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SHA3-256: 6538ef7b6b56c7a6629a0bb7418910c64c8b2e73af2296a116c073ecf2e0d429
User & Date: drh 2017-08-21 02:05:22.118
Context
2017-08-21
02:20
Remove an unnecessary conditional. (check-in: 56d19f9fd7 user: drh tags: trunk)
02:05
Minor optimization to sqlite3VdbeMemSetStr(). (check-in: 6538ef7b6b user: drh tags: trunk)
2017-08-19
20:38
Space and size optimization to the printf implementation. (check-in: d01d2cffef user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/vdbemem.c.
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  }else{
    iLimit = SQLITE_MAX_LENGTH;
  }
  flags = (enc==0?MEM_Blob:MEM_Str);
  if( nByte<0 ){
    assert( enc!=0 );
    if( enc==SQLITE_UTF8 ){
      nByte = sqlite3Strlen30(z);
      if( nByte>iLimit ) nByte = iLimit+1;
    }else{
      for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){}
    }
    flags |= MEM_Term;
  }









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  }else{
    iLimit = SQLITE_MAX_LENGTH;
  }
  flags = (enc==0?MEM_Blob:MEM_Str);
  if( nByte<0 ){
    assert( enc!=0 );
    if( enc==SQLITE_UTF8 ){
      nByte = 0x7fffffff & (int)strlen(z);
      if( nByte>iLimit ) nByte = iLimit+1;
    }else{
      for(nByte=0; nByte<=iLimit && (z[nByte] | z[nByte+1]); nByte+=2){}
    }
    flags |= MEM_Term;
  }
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