src/runtime/cgo/gcc_android.c

// Copyright 2014 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build cgo

#include <stdarg.h>
#include <android/log.h>
#include "libcgo.h"

void
fatalf(const char* format, ...)
{
	va_list ap;

	// Write to both stderr and logcat.
	//
	// When running from an .apk, /dev/stderr and /dev/stdout
	// redirect to /dev/null. And when running a test binary
	// via adb shell, it's easy to miss logcat.

	fprintf(stderr, "runtime/cgo: ");
	va_start(ap, format);
	vfprintf(stderr, format, ap);
	va_end(ap);
	fprintf(stderr, "\n");

	va_start(ap, format);
	__android_log_vprint(ANDROID_LOG_FATAL, "runtime/cgo", format, ap);
	va_end(ap);

	abort();
}