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99ba0e1cc5
When building the core with `-Wextra` a few locations have `case:` fall throughs or skipped field initializers. Add proper comments for B64 cases to avoid GCC warnings Initialized unused fields in Tone and WiFiGeneric to avoid missing field initializer warnings. ```` 2022-05-19T17:40:42.2280300Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c: In function 'base64_decode_block_signed': 2022-05-19T17:40:42.2282122Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:42:23: warning: this statement may fall through [-Wimplicit-fallthrough=] 2022-05-19T17:40:42.2283247Z *plainchar = (fragment & 0x03f) << 2; 2022-05-19T17:40:42.2284240Z ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 2022-05-19T17:40:42.2285087Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:43:7: note: here 2022-05-19T17:40:42.2285435Z case step_b: 2022-05-19T17:40:42.2285691Z ^~~~ 2022-05-19T17:40:42.2286515Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:53:23: warning: this statement may fall through [-Wimplicit-fallthrough=] 2022-05-19T17:40:42.2286932Z *plainchar = (fragment & 0x00f) << 4; 2022-05-19T17:40:42.2287219Z ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 2022-05-19T17:40:42.2287609Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:54:7: note: here 2022-05-19T17:40:42.2287909Z case step_c: 2022-05-19T17:40:42.2288200Z ^~~~ 2022-05-19T17:40:42.2288972Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:64:23: warning: this statement may fall through [-Wimplicit-fallthrough=] 2022-05-19T17:40:42.2289491Z *plainchar = (fragment & 0x003) << 6; 2022-05-19T17:40:42.2289745Z ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 2022-05-19T17:40:42.2290162Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cdecode.c:65:7: note: here 2022-05-19T17:40:42.2290509Z case step_d: 2022-05-19T17:40:42.2290714Z ^~~~ 2022-05-19T17:40:42.2482744Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cencode.c: In function 'base64_encode_block': 2022-05-19T17:40:42.2484713Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cencode.c:46:20: warning: this statement may fall through [-Wimplicit-fallthrough=] 2022-05-19T17:40:42.2485415Z result = (fragment & 0x003) << 4; 2022-05-19T17:40:42.2486713Z ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 2022-05-19T17:40:42.2487696Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cencode.c:47:9: note: here 2022-05-19T17:40:42.2488519Z case step_B: 2022-05-19T17:40:42.2489175Z ^~~~ 2022-05-19T17:40:42.2492458Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cencode.c:56:20: warning: this statement may fall through [-Wimplicit-fallthrough=] 2022-05-19T17:40:42.2493351Z result = (fragment & 0x00f) << 2; 2022-05-19T17:40:42.2494227Z ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ 2022-05-19T17:40:42.2496324Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/libb64/cencode.c:57:9: note: here 2022-05-19T17:40:42.2496937Z case step_C: 2022-05-19T17:40:42.2497261Z ^~~~ 2022-05-19T17:40:44.6354962Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp: In function 'void setToneChannel(uint8_t)': 2022-05-19T17:40:44.6356417Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:99:5: warning: missing initializer for member 'tone_msg_t::pin' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6357120Z }; 2022-05-19T17:40:44.6358732Z ^ 2022-05-19T17:40:44.6364470Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:99:5: warning: missing initializer for member 'tone_msg_t::frequency' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6367914Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:99:5: warning: missing initializer for member 'tone_msg_t::duration' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6372875Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp: In function 'void noTone(uint8_t)': 2022-05-19T17:40:44.6373943Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:110:5: warning: missing initializer for member 'tone_msg_t::frequency' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6375154Z }; 2022-05-19T17:40:44.6375825Z ^ 2022-05-19T17:40:44.6379852Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:110:5: warning: missing initializer for member 'tone_msg_t::duration' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6383291Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:110:5: warning: missing initializer for member 'tone_msg_t::channel' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6388688Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp: In function 'void tone(uint8_t, unsigned int, long unsigned int)': 2022-05-19T17:40:44.6389829Z /home/runner/arduino_ide/hardware/espressif/esp32/cores/esp32/Tone.cpp:128:5: warning: missing initializer for member 'tone_msg_t::channel' [-Wmissing-field-initializers] 2022-05-19T17:40:44.6390677Z }; 2022-05-19T17:40:44.6391420Z ^ 2022-05-19T17:42:00.6768353Z /home/runner/arduino_ide/hardware/espressif/esp32/libraries/WiFi/src/WiFiGeneric.cpp: In static member function 'static bool WiFiGenericClass::setDualAntennaConfig(uint8_t, uint8_t, wifi_rx_ant_t, wifi_tx_ant_t)': 2022-05-19T17:42:00.6769293Z /home/runner/arduino_ide/hardware/espressif/esp32/libraries/WiFi/src/WiFiGeneric.cpp:1333:5: warning: missing initializer for member 'wifi_ant_config_t::rx_ant_default' [-Wmissing-field-initializers] 2022-05-19T17:42:00.6769658Z }; 2022-05-19T17:42:00.6769824Z ^ ````