Clean up comments, USB flash, NULLs

2020-10-24 17:13:10 -05:00
parent 00fbe50bbe
commit ec23e37a4a
45 changed files with 231 additions and 238 deletions
--- a/Marlin/src/sd/cardreader.cpp
+++ b/Marlin/src/sd/cardreader.cpp
@@ -639,7 +639,7 @@ bool CardReader::fileExists(const char * const path) {
    selectByName(*diveDir, fname);
    diveDir->close();
  }
-  return fname != nullptr;
+  return !!fname;
 }

 //
@@ -684,7 +684,7 @@ void CardReader::write_command(char * const buf) {
  char* end = buf + strlen(buf) - 1;

  file.writeError = false;
-  if ((npos = strchr(buf, 'N')) != nullptr) {
+  if ((npos = strchr(buf, 'N'))) {
    begin = strchr(npos, ' ') + 1;
    end = strchr(npos, '*') - 1;
  }