blob: ce1585611631581e860e8f2993966d22c702ad26 [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Simple testing command, used to exercise child process launcher calls.
//
// Usage:
// echo_test_helper [-x exit_code] arg0 arg1 arg2...
// Prints arg0..n to stdout with space delimiters between args,
// returning "exit_code" if -x is specified.
//
// echo_test_helper -e env_var
// Prints the environmental variable |env_var| to stdout.
int main(int argc, char** argv) {
if (strcmp(argv[1], "-e") == 0) {
if (argc != 3) {
return 1;
}
const char* env = getenv(argv[2]);
if (env != NULL) {
printf("%s", env);
}
} else {
int return_code = 0;
int start_idx = 1;
if (strcmp(argv[1], "-x") == 0) {
return_code = atoi(argv[2]);
start_idx = 3;
}
for (int i = start_idx; i < argc; ++i) {
printf((i < argc - 1 ? "%s " : "%s"), argv[i]);
}
return return_code;
}
}