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Overview
Comment:Fix off-by-one error when parsing primitive JSON types "true", "false", and "null".
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SHA1: 42c15c1e36b5077646fef99028cf12e587a45023
User & Date: drh 2015-08-15 21:29:14.831
Context
2015-08-17
11:28
Abandon the JSONB format for now. (We may return to it in the future.) Add a function to render a JSON parse. (check-in: 9703c0aa18 user: drh tags: json)
2015-08-15
21:29
Fix off-by-one error when parsing primitive JSON types "true", "false", and "null". (check-in: 42c15c1e36 user: drh tags: json)
21:25
Add a prototype JSON parser. (check-in: 789ba48700 user: drh tags: json)
Changes
Unified Diff Ignore Whitespace Patch
Changes to ext/misc/json.c.
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      }
      j++;
    }
    jsonParseAddNode(pParse, JSON_STRING, j+1-i, &pParse->zJson[i]);
    return j+1;
  }else if( c=='n'
         && strncmp(pParse->zJson+i,"null",4)==0
         && !isalnum(pParse->zJson[i+5]) ){
    jsonParseAddNode(pParse, JSON_NULL, 0, 0);
    return i+4;
  }else if( c=='t'
         && strncmp(pParse->zJson+i,"true",4)==0
         && !isalnum(pParse->zJson[i+5]) ){
    jsonParseAddNode(pParse, JSON_TRUE, 0, 0);
    return i+4;
  }else if( c=='f'
         && strncmp(pParse->zJson+i,"false",5)==0
         && !isalnum(pParse->zJson[i+6]) ){
    jsonParseAddNode(pParse, JSON_FALSE, 0, 0);
    return i+5;
  }else if( c=='-' || (c>='0' && c<='9') ){
    /* Parse number */
    u8 seenDP = 0;
    u8 seenE = 0;
    j = i+1;








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      }
      j++;
    }
    jsonParseAddNode(pParse, JSON_STRING, j+1-i, &pParse->zJson[i]);
    return j+1;
  }else if( c=='n'
         && strncmp(pParse->zJson+i,"null",4)==0
         && !isalnum(pParse->zJson[i+4]) ){
    jsonParseAddNode(pParse, JSON_NULL, 0, 0);
    return i+4;
  }else if( c=='t'
         && strncmp(pParse->zJson+i,"true",4)==0
         && !isalnum(pParse->zJson[i+4]) ){
    jsonParseAddNode(pParse, JSON_TRUE, 0, 0);
    return i+4;
  }else if( c=='f'
         && strncmp(pParse->zJson+i,"false",5)==0
         && !isalnum(pParse->zJson[i+5]) ){
    jsonParseAddNode(pParse, JSON_FALSE, 0, 0);
    return i+5;
  }else if( c=='-' || (c>='0' && c<='9') ){
    /* Parse number */
    u8 seenDP = 0;
    u8 seenE = 0;
    j = i+1;
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