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[1.1.x] Fix null check in lsDive (#10979)

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Giuliano 2018-06-10 05:03:57 +02:00 committed by Scott Lahteine
parent 1132ec34c1
commit 1b1e15623a
1 changed files with 2 additions and 2 deletions
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4
Marlin/cardreader.cpp
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@ -98,8 +98,8 @@ void CardReader::lsDive(const char *prepend, SdFile parent, const char * const m
createFilename(dosFilename, p);
// Allocate enough stack space for the full path to a folder, trailing slash, and nul
bool prepend_is_empty = (prepend[0] == '\0');
int len = (prepend_is_empty ? 1 : strlen(prepend)) + strlen(dosFilename) + 1 + 1;
const bool prepend_is_empty = (!prepend || prepend[0] == '\0');
const int len = (prepend_is_empty ? 1 : strlen(prepend)) + strlen(dosFilename) + 1 + 1;
char path[len];
// Append the FOLDERNAME12/ to the passed string.