Trust SdBaseFile::write

Author: thinkyhead

Marlin/src/gcode/eeprom/M500-M504.cpp

@@ -73,7 +73,7 @@ void GcodeSuite::M502() {
           bool success = true;
           for (uint16_t i = 0; success && i < sizeof(mc_zip); ++i) {
             const uint8_t c = pgm_read_byte(&mc_zip[i]);
-            success = (file.write(&c) == 1);
+            success = file.write(c) > 0;
           }
           success = file.close() && success;
 

Marlin/src/sd/SdFile.cpp

@@ -67,11 +67,7 @@ int16_t SdFile::write(const void * const buf, const uint16_t nbyte) { return SdB
  * \param[in] b the byte to be written.
  * Use writeError to check for errors.
  */
-#if ARDUINO >= 100
-  size_t SdFile::write(const uint8_t b) { return SdBaseFile::write(&b, 1); }
-#else
-  void SdFile::write(const uint8_t b) { SdBaseFile::write(&b, 1); }
-#endif
+size_t SdFile::write(const uint8_t b) { return SdBaseFile::write(&b, 1); }
 
 /**
  * Write a string to a file. Used by the Arduino Print class.