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Adjust SdBaseFile spacing

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This commit is contained in:
Scott Lahteine 2015-05-15 03:23:49 -07:00
parent 98e91f5253
commit e114662cfa
1 changed files with 9 additions and 8 deletions
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17
Marlin/SdBaseFile.cpp
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@ -1097,8 +1097,9 @@ int16_t SdBaseFile::read(void* buf, uint16_t nbyte) {
fail:
return -1;
}
//------------------------------------------------------------------------------
/** Read the next directory entry from a directory file.
/**
* Read the next entry in a directory.
*
* \param[out] dir The dir_t struct that will receive the data.
*
@ -1130,16 +1131,16 @@ int8_t SdBaseFile::readDir(dir_t* dir, char* longFilename) {
// Fill the long filename if we have a long filename entry.
// Long filename entries are stored before the short filename.
if (longFilename != NULL && DIR_IS_LONG_NAME(dir)) {
vfat_t *VFAT = (vfat_t*)dir;
// Sanity-check the VFAT entry. The first cluster is always set to zero. And the sequence number should be higher than 0
if (VFAT->firstClusterLow == 0 && (VFAT->sequenceNumber & 0x1F) > 0 && (VFAT->sequenceNumber & 0x1F) <= MAX_VFAT_ENTRIES) {
// TODO: Store the filename checksum to verify if a none-long filename aware system modified the file table.
n = ((VFAT->sequenceNumber & 0x1F) - 1) * FILENAME_LENGTH;
vfat_t *VFAT = (vfat_t*)dir;
// Sanity-check the VFAT entry. The first cluster is always set to zero. And the sequence number should be higher than 0
if (VFAT->firstClusterLow == 0 && (VFAT->sequenceNumber & 0x1F) > 0 && (VFAT->sequenceNumber & 0x1F) <= MAX_VFAT_ENTRIES) {
// TODO: Store the filename checksum to verify if a none-long filename aware system modified the file table.
n = ((VFAT->sequenceNumber & 0x1F) - 1) * FILENAME_LENGTH;
for (uint8_t i=0; i<FILENAME_LENGTH; i++)
longFilename[n+i] = (i < 5) ? VFAT->name1[i] : (i < 11) ? VFAT->name2[i-5] : VFAT->name3[i-11];
// If this VFAT entry is the last one, add a NUL terminator at the end of the string
if (VFAT->sequenceNumber & 0x40) longFilename[n+FILENAME_LENGTH] = '\0';
}
}
}
// Return if normal file or subdirectory
if (DIR_IS_FILE_OR_SUBDIR(dir)) return n;