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