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test-instr.c
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test-instr.c
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/*
american fuzzy lop - a trivial program to test the build
--------------------------------------------------------
Written by Michal Zalewski
Copyright 2014 Google Inc. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at:
http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char** argv) {
char buff[8];
char* buf = buff;
// we support command line parameter and stdin
if (argc > 1) {
buf = argv[1];
printf("Input %s - ", buf);
} else if (read(0, buf, sizeof(buf)) < 1) {
printf("Hum?\n");
return 1;
}
// we support three input cases (plus a 4th if stdin is used but there is no
// input)
if (buf[0] == '0')
printf("Looks like a zero to me!\n");
else if (buf[0] == '1')
printf("Pretty sure that is a one!\n");
else
printf("Neither one or zero? How quaint!\n");
return 0;
}