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Overview
Comment:Add the SQLITE_PRINTF_PRECISION_LIMIT compile-time option.
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SHA1: ecad75d69e0d5c83dd3584d363e557e84b65f7f2
User & Date: drh 2015-11-30 22:52:14.011
Context
2015-12-01
16:21
Simplification to the read and write primatives in the unix VFS. (check-in: 9eefa44979 user: drh tags: trunk)
2015-11-30
23:29
Add experimental support for the 'test_fs' test module on Win32. (Closed-Leaf check-in: f3ffb3aeea user: mistachkin tags: testFsWin32)
22:52
Add the SQLITE_PRINTF_PRECISION_LIMIT compile-time option. (check-in: ecad75d69e user: drh tags: trunk)
22:22
Fix a problem in xFullPathname for the unix VFS. The problem was found by Kostya Serebryany using libFuzzer. (check-in: bb1e2c4df0 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/printf.c.
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      while( c>='0' && c<='9' ){
        wx = wx*10 + c - '0';
        c = *++fmt;
      }
      testcase( wx>0x7fffffff );
      width = wx & 0x7fffffff;
    }







    /* Get the precision */
    if( c=='.' ){
      c = *++fmt;
      if( c=='*' ){
        if( bArgList ){
          precision = (int)getIntArg(pArgList);








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      while( c>='0' && c<='9' ){
        wx = wx*10 + c - '0';
        c = *++fmt;
      }
      testcase( wx>0x7fffffff );
      width = wx & 0x7fffffff;
    }
    assert( width>=0 );
#ifdef SQLITE_PRINTF_PRECISION_LIMIT
    if( width>SQLITE_PRINTF_PRECISION_LIMIT ){
      width = SQLITE_PRINTF_PRECISION_LIMIT;
    }
#endif

    /* Get the precision */
    if( c=='.' ){
      c = *++fmt;
      if( c=='*' ){
        if( bArgList ){
          precision = (int)getIntArg(pArgList);
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        }
        testcase( px>0x7fffffff );
        precision = px & 0x7fffffff;
      }
    }else{
      precision = -1;
    }








    /* Get the conversion type modifier */
    if( c=='l' ){
      flag_long = 1;
      c = *++fmt;
      if( c=='l' ){
        flag_longlong = 1;
        c = *++fmt;








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        }
        testcase( px>0x7fffffff );
        precision = px & 0x7fffffff;
      }
    }else{
      precision = -1;
    }
    assert( precision>=(-1) );
#ifdef SQLITE_PRINTF_PRECISION_LIMIT
    if( precision>SQLITE_PRINTF_PRECISION_LIMIT ){
      precision = SQLITE_PRINTF_PRECISION_LIMIT;
    }
#endif


    /* Get the conversion type modifier */
    if( c=='l' ){
      flag_long = 1;
      c = *++fmt;
      if( c=='l' ){
        flag_longlong = 1;
        c = *++fmt;
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