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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2020 Oxide Computer Company
*/
/*
* Regression test for 12768 '12392 regressed ftello64 behavior'. The heart of
* the problem was a bad cast that resulted in us not properly transmitting that
* size.
*/
#include <stdio.h>
#include <err.h>
#include <stdlib.h>
#include <sys/sysmacros.h>
int
main(void)
{
FILE *f;
size_t i;
int ret = EXIT_SUCCESS;
static off_t offsets[] = {
23,
0xa0000, /* 64 KiB */
0x100000, /* 1 MiB */
0x7fffffffULL, /* 2 GiB - 1 */
0xc0000000ULL, /* 3 GiB */
0x200005432ULL /* 8 GiB + misc */
};
f = tmpfile();
if (f == NULL) {
err(EXIT_FAILURE, "TEST FAILED: failed to create "
"temporary file");
}
for (i = 0; i < ARRAY_SIZE(offsets); i++) {
off_t ftret;
if (fseeko(f, offsets[i], SEEK_SET) != 0) {
warn("TEST FAILED: failed to seek to %lld",
(long long)offsets[i]);
ret = EXIT_FAILURE;
}
ftret = ftello(f);
if (ftret == -1) {
warn("TEST FAILED: failed to get stream position at "
"%lld", (long long)offsets[i]);
ret = EXIT_FAILURE;
}
if (ftret != offsets[i]) {
warnx("TEST FAILED: stream position mismatch: expected "
"%lld, found %lld", (long long)offsets[i],
(long long)ftret);
ret = EXIT_FAILURE;
}
}
return (ret);
}
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