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MyTable testTable("test.csv"); //this will create or open the table named test.csv in the root of the SD card, As this comment says when the file is not exist in the sd card it should create a new file, but it shows file not exist.....

Hello! Looks like this library can't compile for ESP8266 like it used to before

Error log:
Compiling library "DatabaseOnSD"
/home/alpha/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.1.0-gcc10.3-e5f9fec/bin/xtensa-lx106-elf-g++ -D__ets__ -DICACHE_FLASH -U__STRICT_ANSI__ -D_GNU_SOURCE -DESP8266 @/tmp/arduino_build_43497/core/build.opt -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/tools/sdk/include -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/tools/sdk/lwip2/include -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/tools/sdk/libc/xtensa-lx106-elf/include -I/tmp/arduino_build_43497/core -c @/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/tools/warnings/extra-g++ -Os -g -free -fipa-pta -Werror=return-type -mlongcalls -mtext-section-literals -fno-rtti -falign-functions=4 -std=gnu++17 -MMD -ffunction-sections -fdata-sections -fno-exceptions -DMMU_IRAM_SIZE=0x8000 -DMMU_ICACHE_SIZE=0x8000 -DNONOSDK22x_190703=1 -DF_CPU=80000000L -DLWIP_OPEN_SRC -DTCP_MSS=536 -DLWIP_FEATURES=1 -DLWIP_IPV6=0 -DARDUINO=10819 -DARDUINO_ESP8266_GENERIC -DARDUINO_ARCH_ESP8266 "-DARDUINO_BOARD="ESP8266_GENERIC"" "-DARDUINO_BOARD_ID="generic"" -DLED_BUILTIN=2 -DFLASHMODE_DOUT -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/cores/esp8266 -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/variants/generic -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/libraries/SPI -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/libraries/SD/src -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/libraries/SDFS/src -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/libraries/ESP8266SdFat/src -I/home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/libraries/ESP8266WiFi/src -I/home/alpha/Arduino/libraries/UniversalTelegramBot/src -I/home/alpha/Arduino/libraries/ArduinoJson/src -I/home/alpha/Arduino/libraries/DatabaseOnSD/src /home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp -o /tmp/arduino_build_43497/libraries/DatabaseOnSD/DatabaseOnSD.cpp.o
In file included from /home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:31:
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.h:69: warning: "EOF" redefined
69 | #define EOF '\0' // end of file character
|
In file included from /home/alpha/.arduino15/packages/esp8266/hardware/esp8266/3.1.1/cores/esp8266/Arduino.h:32,
from /home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.h:38,
from /home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:31:
/home/alpha/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.1.0-gcc10.3-e5f9fec/xtensa-lx106-elf/include/stdio.h:118: note: this is the location of the previous definition
118 | #define EOF (-1)
|
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In member function 'bool MyTable::deleteRow(unsigned int)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:400:13: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
400 | if (rowN>=Nrows) {Serial.println(F("early fail to delete")); return false;} // validate row number
| ~~~~^~~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:408:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
408 | if (i==rowN) continue;
| ~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In member function 'bool MyTable::insertRow(unsigned int, String)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:425:14: warning: comparison of unsigned expression in '< 0' is always false [-Wtype-limits]
425 | if (rowN < 0) return false;
| ~~~~~^~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:429:13: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
429 | if (rowN>=Nrows) {appendRow(row); return true;}
| ~~~~^~~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:437:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
437 | if (i==rowN) {tempfile.appendRow(row);}
| ~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String updateString(int, String, String)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:513:22: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
513 | for (int i = 0; i<string.length(); i++){
| ~^~~~~~~~~~~~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:518:28: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
518 | if (data.length()==j) {
| ~~~~~~~~~~~~~^~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String fitString(String, int)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:546:22: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
546 | if (s.length()==size) return s;
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:547:25: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
547 | while (s.length()!= size){
| ~~~~~~~~~~^~~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:548:26: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
548 | if (s.length( )> size) s.remove(s.length( )-1);
| ~~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:549:30: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
549 | else if (s.length()>size) s += " ";
| ~~~~~~~~~~^~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String fitStringN(String, int)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:572:22: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
572 | if (s.length()==size) return s;
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:573:25: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
573 | while (s.length()!=size){
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:574:25: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
574 | if (s.length()> size) s.remove(s.length()-1);
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:575:30: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
575 | else if (s.length()<size) s += STRING_PAD;
| ~~~~~~~~~~^~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String fitStringD(String, int)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:589:22: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
589 | if (s.length()==size) return s;
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:590:25: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
590 | while (s.length()!=size){
| ~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:591:26: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
591 | if (s.length( )> size) s.remove(s.length( )-1);
| ~~~~~~~~~~~^~~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:592:30: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
592 | else if (s.length()<size) s += STRING_PAD;
| ~~~~~~~~~~^~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String readAttribute(int, String)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:602:9: warning: unused variable 'rowN' [-Wunused-variable]
602 | int rowN = 0;
| ^~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In member function 'String MyTable::selectRow(int)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:96:8: error: control reaches end of non-void function [-Werror=return-type]
96 | File table;
| ^~~~~
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp: In function 'String updateString(int, String, String)':
/home/alpha/Arduino/libraries/DatabaseOnSD/src/DatabaseOnSD.cpp:524:5: error: control reaches end of non-void function [-Werror=return-type]
524 | }
| ^