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fix(core): fixed String::lastIndexOf bug (#9003)

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Co-authored-by: Rodrigo Garcia <rodrigo.garcia@espressif.com>
Co-authored-by: Vojtěch Bartoška <76958047+VojtechBartoska@users.noreply.github.com>
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a1ext 2023-12-20 15:54:04 +01:00 committed by GitHub
parent 812a59aadd
commit f6e12eb7e9
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1 changed files with 4 additions and 1 deletions
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cores/esp32/WString.cpp
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@ -677,7 +677,10 @@ int String::lastIndexOf(char ch, unsigned int fromIndex) const {
wbuffer()[fromIndex + 1] = tempchar; wbuffer()[fromIndex + 1] = tempchar;
if(temp == NULL) if(temp == NULL)
return -1; return -1;
return temp - buffer(); const int rv = temp - buffer();
if(rv >= len())
return -1;
return rv;
} }
int String::lastIndexOf(const String &s2) const { int String::lastIndexOf(const String &s2) const {