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Overview
Comment:Space and size optimization to the printf implementation.
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SHA3-256: d01d2cffefd1cdb52b386e4983599534c0fbbe6aebda186db53200e4b2283f0a
User & Date: drh 2017-08-19 20:38:18.374
Context
2017-08-21
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)
2017-08-18
22:30
Another size and performance optimization to readDbPage(). This time we eliminate some unnecessary local variables. (check-in: 745bc8decd user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/printf.c.
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          bufpt = "";
        }else if( xtype==etDYNSTRING ){
          zExtra = bufpt;
        }
        if( precision>=0 ){
          for(length=0; length<precision && bufpt[length]; length++){}
        }else{
          length = sqlite3Strlen30(bufpt);
        }
        break;
      case etSQLESCAPE:           /* Escape ' characters */
      case etSQLESCAPE2:          /* Escape ' and enclose in '...' */
      case etSQLESCAPE3: {        /* Escape " characters */
        int i, j, k, n, isnull;
        int needQuote;








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          bufpt = "";
        }else if( xtype==etDYNSTRING ){
          zExtra = bufpt;
        }
        if( precision>=0 ){
          for(length=0; length<precision && bufpt[length]; length++){}
        }else{
          length = 0x7fffffff & (int)strlen(bufpt);
        }
        break;
      case etSQLESCAPE:           /* Escape ' characters */
      case etSQLESCAPE2:          /* Escape ' and enclose in '...' */
      case etSQLESCAPE3: {        /* Escape " characters */
        int i, j, k, n, isnull;
        int needQuote;
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