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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. 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>
// Force .lib-file creation on Windows, make ninja happy with zero-build.
#if defined(_WIN32)
extern "C" __declspec(dllexport) void dummy() {}
#endif
#if defined(__has_feature)
#if __has_feature(undefined_behavior_sanitizer)
__attribute__((no_sanitize("undefined")))
#endif
#endif
void Crash() {
int* segfault = nullptr;
*segfault = 1;
}
/*
* Run ./process_test <outstream> <echocount> <exitcode> <crash>
* <outstream>: 0 = stdout, 1 = stderr, 2 = stdout and stderr
* <echocount>: program terminates after <echocount> replies
* <exitcode>: program terminates with exit code <exitcode>
* <crash>: 0 = program terminates regularly, 1 = program segfaults
*/
int main(int argc, char* argv[]) {
if (argc != 5) {
fprintf(stderr,
"./process_test <outstream> <echocount> <exitcode> <crash>\n");
exit(1);
}
int outstream = atoi(argv[1]);
if (outstream < 0 || outstream > 2) {
fprintf(stderr, "unknown outstream");
exit(1);
}
int echo_counter = 0;
int echo_count = atoi(argv[2]);
int exit_code = atoi(argv[3]);
int crash = atoi(argv[4]);
if (crash == 1) {
Crash();
}
const int kLineSize = 128;
char line[kLineSize];
while ((echo_count != echo_counter) &&
(fgets(line, kLineSize, stdin) != nullptr)) {
if (outstream == 0) {
fprintf(stdout, "%s", line);
fflush(stdout);
} else if (outstream == 1) {
fprintf(stderr, "%s", line);
fflush(stderr);
} else if (outstream == 2) {
fprintf(stdout, "%s", line);
fprintf(stderr, "%s", line);
fflush(stdout);
fflush(stderr);
}
echo_counter++;
}
return exit_code;
}