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/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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
*
* 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.
*/
#include <gtest/gtest.h>
#include <errno.h>
#include <stdio.h>
TEST(libc, __pstore_append) {
FILE *fp;
ASSERT_TRUE(NULL != (fp = fopen("/dev/pmsg0", "a")));
static const char message[] = "libc.__pstore_append\n";
ASSERT_EQ((size_t)1, fwrite(message, sizeof(message), 1, fp));
int fflushReturn = fflush(fp);
int fflushErrno = fflushReturn ? errno : 0;
ASSERT_EQ(0, fflushReturn);
ASSERT_EQ(0, fflushErrno);
int fcloseReturn = fclose(fp);
int fcloseErrno = fcloseReturn ? errno : 0;
ASSERT_EQ(0, fcloseReturn);
ASSERT_EQ(0, fcloseErrno);
if ((fcloseErrno == ENOMEM) || (fflushErrno == ENOMEM)) {
fprintf(stderr,
"Kernel does not have space allocated to pmsg pstore driver configured\n"
);
}
if (!fcloseReturn && !fcloseErrno && !fflushReturn && !fflushReturn) {
fprintf(stderr,
"Reboot, ensure string libc.__pstore_append is in /sys/fs/pstore/pmsg-ramoops-0\n"
);
}
}
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