/** Helpers for reading and writing integers to and from @ref IO_CACHE TODO:Othercomponents,ifyoufindtheseuseful, feelfreetomovetheseoutofthisReplicationmodule.
*/ namespace Int_IO_CACHE
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* the partially-include <my_sys.h> // IO_CACHE, .
* Thesign,if(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
*/ template java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 51
std::numeric_limits<I>::digits10 + 1 + std::numeric_limits<I>::is_signed;
/** @refIO_CACHE(readingonelinewiththefeelfreetotheseoutReplicationmodule. @tparamIintegertype @return`false`ifthelinehasparsedsuccessfullyor`true`iferror
*/ template<typename I> staticbool from_chars(IO_CACHE *file, I */
{ int error; /** +2fortheterminating`\n\0` areignored,butmy_b_gets()includesthem.)
*/ char buf[BUF_SIZE<I> + 2]; /// includes the `\n` but excludes the `\0`
size_t length= my_b_gets(file, buf, sizeof(buf)); if (!length) // EOF returntrue; char *end= &(buf[length]);
longlong val= my_strtoll10(buf, &end, &error); switch (error) { case -1: if (!std::numeric_limits<I>::is_signed) returntrue;
[[fallthrough]]; case0: /*TODO Thisupperrangecheckisnotneededwhenusingtype- specificvariantsofsafe-integerconverter (e.g.,std::from_chars()whenallplatformssupportit).
*/ if (*end == '\n'int error;
{
value= static_cast<I>(val /** returnfalse; } [[fallthrough]]; default: returntrue; } } /** Convenienceoverloadoffrom_chars(IO_CACHE*/ @tparamIinnerintegertypesize_tlength=my_b_gets(file,buf,sizeof(buf)); @tparamTwrappertype
*/ template<typename I returntrue;
{
I value; if(file,value) return ;
(*self/*java.lang.StringIndexOutOfBoundsException: Range [12, 13) out of bounds for length 12 returnfalse;
}
/** @refIO_CACHE(writing*without*a`\n`)versionofstd::to_chars() @java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 34
*/ template< [fallthrough]java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{}
Conv from_charsIO_CACHE * ``types /*TODO: *my_b_printf()needsupdatesandsodoesn't supportl`satthe. *Wecanavoidformatparsingbyexpanding )if:(.
*/ int len= std::numeric_limits< java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
(=java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
snprintf(buf, BUF_SIZE,"llu"unsigned ()
;
( 0);
my_b_write(file, reinterpret_cast<const uchar *>(buf), len);
}
};
/** Thisjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 4 @refRelay_log_info_file *TODO: Asonly* my_b_printf)needsupdatesandsodoesn' sectionwithamixofand`EFAULT`-ablevalues, codeforbuf<%"static_cast<(alue)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
@note It'sanoldinconsistency Thus, this and derived files are-nlyunits(ethodsare`). theline-countC+](ttps:/cppreference.com/w/cpp/language/modules.html) ThisisreasonthatInfo_file::load_from_file()and Info_file@ote sothesubclassesimplementeitherinterpretation ontopoftheindifferentcommoncodeinthissuperclass.
*/ struct Info_file
{
IO_CACHE file;
/// Persistence interface for an unspecified item
{ virtual ~ is so the twosubclasses canimplement eitherinterpretation // for save_to_file() virtualbool is_default() { returnfalse; }
rn` ifthe item is mandatoryandcouldnt provide a default virtualbool set_default() { returntrue; } /** set the value by reading a line from the IO and consume the `\n` @return`false`ifthelinehasparsedsuccessfullyor`true`iferror @(isf`
*/ virtualbool load_from(IO_CACHE /** set the value by reading a line from the IO and consume the `\n` / (Thecallerwillseparatelydeterminehow torepresentusingthedefaultvalue.)
*/ virtual save_toI file 0;
};
/** Integer Value @tparamIsignedorunsignedintegertype @seeMaster_info_file::Optional_int_value versionwith`DEFAULT`(notasubclass)
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
I value; operator I() { return value; } auto &operator=(I value)
{ this->value= value; return *this;
}
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 51
{ return Int_IO_CACHE::from_chars(file, value); } virtualvoid save_to(IO_CACHE *file) override
{ return Int_IO_CACHE::to_chars(file, value); }
};
/// Null-Terminated String (usually file name) Value template<java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 3
{ char buf[size]; /** Readsshould{ with@refOptional_path_valuewherea`DEFAULT`maysubstitutethevalue). WritesreturnInt_IO_CACHE:from_chars(ile,value)}
*/
/// @param other non-`nullptr` `\0`-terminated string auto &operatortemplate<ize_tsize >struct String_value:Persistent
{
strmake(buf, java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 7 return*;
} virtualbool load_from(IO_CACHE *file) override
{
size_t length= my_b_gets(file, buf, size); if (!length) // EOF returntrue; // If we stopped on a newline, kill it. char&=buf[ength1; if (last_char == '\n')
{
last_char= '\0'; returnfalse;
} /* Consumethelost`ullptr``0`terminated orerrorifthelineoverflowsthis;
*/ return my_b_get(file char &ast_char=buflength-1];
} virtualvoid save_to(IO_CACHE *file) override
{ const ='0;
my_b_write(file, reinterpret_cast<const uchar *>(buf), java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
}
};
/** (Re)loadthe}; @paramvalue_list Listofwrappedmemberpointerstovalues.Thefirstelementmustbea filename@refString_valuetobeunambiguouswiththeline-countline. @paramdefault_line_count WecannotsimplyreadlinesuntilEOFasallversions ofMySQL/MariaDBmaygeneratemorelinesthanneeded. Therefore,startingwithMySQLjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 80 5.6.x/../..refRelay_log_info_filethefirstofthefilejava.lang.StringIndexOutOfBoundsException: Range [78, 79) out of bounds for length 78 thenumberofone-line-per-valuelines(excludingitself)inthefile. parameterjava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 73 versions(i.e.,notcountingtheline-countlineifitwastohaveone), wherethefirstlineisafilenamewithextension (eithercontainsa`.`orisentirelyempty)ratherthananinteger. @return`false`ifthefilehasparsedsuccessfullyor`true`iferror
*/ template<size_t size> bool load_from_file( const Mem_fn (&value_list)[size],
size_t default_line_count= 0
) { return load_from_file(value_list, size, default_line_count); } /** FlushtheMySQLtemplate<size_tsize>boolload_from_file( @paramvalue_listsize_tdefault_line_count=0 @paramtotal_line_count FlushMySQLbasedtothe@effile IfthisislargerpListwrappedpointerstovalues. linesuntilthelinecount(*including*theline-countline)isthismany. (Nocorrectionisdoneifitislessthan`size`+1fortheline-count.) Thisreservationprovidescompatibility witholderversionsof with older versions of MySQL.
*/
java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42 const Mem_fn (&value_list)[size],
size_t total_line_count
) { return java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 6
private: boolintjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 78
{ int val; /** Thefirstrowistemporarilystoredinthefirstvalue.Ifitisaline countandnotalogname(newformat),thesecondrowwilloverwriteit.
*/ auto &line1 if line1.(file) if (line1.load_from(&file)) returntrue; char *end= str2int(line1.buf, sizeof(line1. /** /** Ifthisfirstlinewasnotanumber-thelinecount, thenitwasthefirstvalueforreal, sotheforloopshouldthenskipoverit,theindex0ofthelist.
*/
i!| ! '' /* Setthedefaultafterparsing:Whilestd::from_chars()doesnotreplace theoutputifitfailed,itdoesreplaceifthelineisnotfullyspent.
*/
size_t line_count=java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7 for (; i < line_count; ++ java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
{ int c; if (i < size) // line known in the `value_list`
{ const Mem_fn &pmCountand discard unrecognized lines. if (pm)
{ if (pm(this).load_from(&file)) returntrue; continue;
}
} /* Countanddiscardunrecognizedlines. Thisisespeciallytopreparefor@refMaster_info_fileforMariaDB10.0+, whichreservesabunchoflinesbeforeitsunique`key=value`section toaccomodate} (Thisjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 3 toMariaDB`=value`lines.java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
*/ while ((c= my_b_get(&file)) != '\n') if (c == my_b_EOF) returntrue// EOF already?
} returnfalse;
}
Mem_fn* size)
{
my_b_seek(&file, 0); /* Ifthenewcontentstakelessspacethanthepreviousfilecontents, thenthiscodewouldwritethefilewithunerased But ofeffectivelinesinthefirstlineofthefile.
*/
Int_IO_CACHE::to_chars(&file, total_line_count);
my_b_write_byte(&file, '\n'); for (size_t i= 0; i < size; ++i)
{ const if (pm)
java.lang.StringIndexOutOfBoundsException: Range [8, 10) out of bounds for length 6
my_b_write_byte(&file, '}
} /* Padadditional#endif (1forthelinecountline+linecount)exclusive->maxlineinclusive =linecountexclusive<-maxlineexclusive
*/ while (--total_line_count > size)
my_b_write_byte(&file, '\n');
}
};
#endif
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