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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* This file is part of libnvme.
*
* Common test utilities.
*
* Copyright (c) 2022 Code Construct
*/
#include <err.h>
#include <stdlib.h>
#include <unistd.h>
#include "utils.h"
FILE *test_setup_log(void)
{
FILE *fd;
fd = tmpfile();
if (!fd)
err(EXIT_FAILURE, "can't create temporary file for log buf");
return fd;
}
void test_close_log(FILE *fd)
{
fclose(fd);
}
void test_print_log_buf(FILE *logfd)
{
char buf[4096];
int rc;
if (!ftell(logfd))
return;
rewind(logfd);
printf("--- begin test output\n");
while (!feof(logfd) && !ferror(logfd)) {
size_t rlen, wlen, wpos;
rlen = fread(buf, 1, sizeof(buf), logfd);
if (rlen <= 0)
break;
for (wpos = 0; wpos < rlen;) {
wlen = fwrite(buf + wpos, 1, rlen - wpos, stdout);
if (wlen == 0)
break;
wpos += wlen;
}
if (feof(logfd) || ferror((logfd)))
break;
}
printf("--- end test output\n");
rewind(logfd);
rc = ftruncate(fileno(logfd), 0);
if (rc)
printf("failed to truncate log buf; further output may be invalid\n");
}
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