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/* Copyright (C) 2008-2011, 2013, 2017 D.V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Attempt to read UINT64 with the opposite endianness */
#include "test.h"
static int BigEndian(void)
{
union {
long int li;
char ch[sizeof(long int)];
} un;
un.li = 1;
return (un.ch[sizeof(long int) - 1] == 1);
}
int main(void)
{
const char *filedir = "dirfile";
const char *format = "dirfile/format";
const char *data = "dirfile/data";
char format_data[1000];
uint64_t c = 0;
const int big_endian = BigEndian();
int fd, n, error, r = 0;
DIRFILE *D;
rmdirfile();
mkdir(filedir, 0700);
sprintf(format_data, "data RAW UINT64 1\nENDIAN %s\n", (big_endian)
? "little" : "big");
fd = open(format, O_CREAT | O_EXCL | O_WRONLY, 0666);
write(fd, format_data, strlen(format_data));
close(fd);
MAKEDATAFILE(data, uint64_t, i * (0x020100000201), 128);
D = gd_open(filedir, GD_RDONLY | GD_VERBOSE);
n = gd_getdata(D, "data", 5, 0, 1, 0, GD_UINT64, &c);
error = gd_error(D);
gd_discard(D);
unlink(data);
unlink(format);
rmdir(filedir);
CHECKI(error, 0);
CHECKI(n, 1);
CHECKX(c, 0x50a0000050a0000);
return r;
}
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