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LittleFS: add overrides for Stream::send (#8386)

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* littlefs: add overrides for Stream::send
This commit is contained in:
david gauchard
2021-11-29 20:39:37 +01:00
committed by GitHub
parent d5444c4aa3
commit 2492057b61
3 changed files with 48 additions and 1 deletions
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26
libraries/LittleFS/src/LittleFS.h
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@ -241,7 +241,7 @@ public:
DEBUGV("lfs_format, lfs_setattr 't': rc=%d\n", rc);
return false;
}
lfs_unmount(&_lfs);
_mounted = false;
}
@ -372,6 +372,30 @@ public:
}
}
int availableForWrite () override {
if (!_opened || !_fd) {
return 0;
}
const auto f = _getFD();
const auto fs = _fs->getFS();
// check for remaining size in current block
// ignore inline feature (per code in lfs_file_rawwrite())
auto afw = fs->cfg->block_size - f->off;
if (afw == 0) {
// current block is full
// check for filesystem full (per code in lfs_alloc())
if (!(fs->free.i == fs->free.size && fs->free.ack == 0)) {
// fs is not full, return a full sector as free space
afw = fs->cfg->block_size;
}
}
return afw;
}
size_t write(const uint8_t *buf, size_t size) override {
if (!_opened || !_fd || !buf) {
return 0;