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more attuned colorize repace

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vanhauser-thc
2021-02-21 11:29:54 +01:00
parent f629f4e341
commit b957218a3a
2 changed files with 25 additions and 11 deletions
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31
src/afl-fuzz-redqueen.c
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@ -205,14 +205,31 @@ static void type_replace(afl_state_t *afl, u8 *buf, u32 len) {
case '\t':
c = ' ';
break;
/*
case '\r':
case '\n':
// nothing ...
break;
*/
case '\r':
c = '\n';
break;
case '\n':
c = '\r';
break;
case 0:
c = 1;
break;
case 1:
c = 0;
break;
case 0xff:
c = 0;
break;
default:
c = (buf[i] ^ 0xff);
if (buf[i] < 32) {
c = (buf[i] ^ 0x1f);
} else {
c = (buf[i] ^ 0x7f); // we keep the highest bit
}
}