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/////////////////////////////////////////////////////////////////////////
//
// Author: Mateusz Jurczyk (mjurczyk@google.com)
//
// Copyright 2019-2024 Google LLC
//
// 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
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// solution: echo -ne 'The quick brown fox jumps over the lazy
// dog\xbe\xba\xfe\xca\xbe\xba\xfe\xca\xde\xc0\xad\xde\xef\xbe' | ./compcovtest
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
char buffer[44] = {/* zero padding */};
FILE *file = stdin;
if (argc > 1) {
if ((file = fopen(argv[1], "r")) == NULL) {
perror(argv[1]);
exit(-1);
}
}
fread(buffer, 1, sizeof(buffer) - 1, file);
if (memcmp(&buffer[0], "The quick brown fox ", 20) != 0 ||
strncmp(&buffer[20], "jumps over ", 11) != 0 ||
strcmp(&buffer[31], "the lazy dog") != 0) {
if (argc > 1) { fclose(file); }
return 1;
}
#if defined(__x86_64__) || defined(__aarch64__)
uint64_t x = 0;
fread(&x, sizeof(x), 1, file);
if (x != 0xCAFEBABECAFEBABE) {
if (argc > 1) { fclose(file); }
return 2;
}
#endif
uint32_t y = 0;
fread(&y, sizeof(y), 1, file);
if (y != 0xDEADC0DE) {
if (argc > 1) { fclose(file); }
return 3;
}
uint16_t z = 0;
fread(&z, sizeof(z), 1, file);
switch (z) {
case 0xBEEF:
break;
default:
if (argc > 1) { fclose(file); }
return 4;
}
printf("Puzzle solved, congrats!\n");
abort();
if (argc > 1) { fclose(file); }
return 0;
}
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