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Fix boundary condition on resize (#4016)

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cbuf.size() must be at least one byte larger than cbuf.available() for
logic to work.  reject request to resize = available.
This commit is contained in:
OverEasy 2017-12-25 22:38:07 -05:00 committed by Develo
parent 9913e52107
commit e4043e9ba7
1 changed files with 1 additions and 1 deletions
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cores/esp8266/cbuf.cpp
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@ -39,7 +39,7 @@ size_t cbuf::resize(size_t newSize) {
// not lose any data // not lose any data
// if data can be lost use remove or flush before resize // if data can be lost use remove or flush before resize
if((newSize < bytes_available) || (newSize == _size)) { if((newSize <= bytes_available) || (newSize == _size)) {
return _size; return _size;
} }