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Fixing findUntil() problem with repeated initial characters. (Jeffery.zksun)

http://code.google.com/p/arduino/issues/detail?id=768
This commit is contained in:
David A. Mellis 2012-01-02 13:49:59 -05:00
parent cce4ef7c69
commit 5088b09f2d

View File

@ -99,25 +99,27 @@ bool Stream::findUntil(char *target, size_t targetLen, char *terminator, size_t
size_t index = 0; // maximum target string length is 64k bytes!
size_t termIndex = 0;
int c;
if( *target == 0)
return true; // return true if target is a null string
return true; // return true if target is a null string
while( (c = timedRead()) > 0){
if(c != target[index])
index = 0; // reset index if any char does not match
if( c == target[index]){
//////Serial.print("found "); Serial.write(c); Serial.print("index now"); Serial.println(index+1);
//////Serial.print("found "); Serial.write(c); Serial.print("index now"); Serial.println(index+1);
if(++index >= targetLen){ // return true if all chars in the target match
return true;
}
}
else{
index = 0; // reset index if any char does not match
}
if(termLen > 0 && c == terminator[termIndex]){
if(++termIndex >= termLen)
return false; // return false if terminate string found before target string
if(++termIndex >= termLen)
return false; // return false if terminate string found before target string
}
else
termIndex = 0;
termIndex = 0;
}
return false;
}