xref: /aosp_15_r20/external/AFLplusplus/utils/afl_untracer/libtestinstr.c (revision 08b48e0b10e97b33e7b60c5b6e2243bd915777f2)
1*08b48e0bSAndroid Build Coastguard Worker /*
2*08b48e0bSAndroid Build Coastguard Worker    american fuzzy lop++ - a trivial program to test the build
3*08b48e0bSAndroid Build Coastguard Worker    --------------------------------------------------------
4*08b48e0bSAndroid Build Coastguard Worker    Originally written by Michal Zalewski
5*08b48e0bSAndroid Build Coastguard Worker    Copyright 2014 Google Inc. All rights reserved.
6*08b48e0bSAndroid Build Coastguard Worker    Copyright 2019-2024 AFLplusplus Project. All rights reserved.
7*08b48e0bSAndroid Build Coastguard Worker    Licensed under the Apache License, Version 2.0 (the "License");
8*08b48e0bSAndroid Build Coastguard Worker    you may not use this file except in compliance with the License.
9*08b48e0bSAndroid Build Coastguard Worker    You may obtain a copy of the License at:
10*08b48e0bSAndroid Build Coastguard Worker      http://www.apache.org/licenses/LICENSE-2.0
11*08b48e0bSAndroid Build Coastguard Worker  */
12*08b48e0bSAndroid Build Coastguard Worker 
13*08b48e0bSAndroid Build Coastguard Worker #include <stdio.h>
14*08b48e0bSAndroid Build Coastguard Worker #include <stdlib.h>
15*08b48e0bSAndroid Build Coastguard Worker #include <unistd.h>
16*08b48e0bSAndroid Build Coastguard Worker #include <string.h>
17*08b48e0bSAndroid Build Coastguard Worker #include <sys/types.h>
18*08b48e0bSAndroid Build Coastguard Worker #include <sys/stat.h>
19*08b48e0bSAndroid Build Coastguard Worker #include <fcntl.h>
20*08b48e0bSAndroid Build Coastguard Worker 
testinstr(char * buf,int len)21*08b48e0bSAndroid Build Coastguard Worker void testinstr(char *buf, int len) {
22*08b48e0bSAndroid Build Coastguard Worker 
23*08b48e0bSAndroid Build Coastguard Worker   if (len < 1) return;
24*08b48e0bSAndroid Build Coastguard Worker   buf[len] = 0;
25*08b48e0bSAndroid Build Coastguard Worker 
26*08b48e0bSAndroid Build Coastguard Worker   // we support three input cases
27*08b48e0bSAndroid Build Coastguard Worker   if (buf[0] == '0')
28*08b48e0bSAndroid Build Coastguard Worker     printf("Looks like a zero to me!\n");
29*08b48e0bSAndroid Build Coastguard Worker   else if (buf[0] == '1')
30*08b48e0bSAndroid Build Coastguard Worker     printf("Pretty sure that is a one!\n");
31*08b48e0bSAndroid Build Coastguard Worker   else
32*08b48e0bSAndroid Build Coastguard Worker     printf("Neither one or zero? How quaint!\n");
33*08b48e0bSAndroid Build Coastguard Worker 
34*08b48e0bSAndroid Build Coastguard Worker }
35*08b48e0bSAndroid Build Coastguard Worker 
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