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/*
****************************************************************************
*
* MODULE: Vector library
*
* AUTHOR(S): Original author CERL, probably Dave Gerdes.
* Update to GRASS 5.7 Radim Blazek.
*
* PURPOSE: Test portable r/w functions
*
* COPYRIGHT: (C) 2001-2009 by the GRASS Development Team
*
* This program is free software under the GNU General Public
* License (>=v2). Read the file COPYING that comes with GRASS
* for details.
*
*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <grass/Vect.h>
/* Test portable r/w functions */
#define D_TEST 1.3333
#define L_TEST 123456789
#define S_TEST 12345
#define C_TEST 123
int main()
{
int i, j;
int err;
int byte_order;
struct Port_info port;
GVFILE fp;
double db, td[] = { -(PORT_DOUBLE_MAX), -(D_TEST), -(PORT_DOUBLE_MIN),
0, PORT_DOUBLE_MIN, D_TEST, PORT_DOUBLE_MAX
};
float fb, tf[] = { -(PORT_FLOAT_MAX), -(D_TEST), -(PORT_FLOAT_MIN),
0, PORT_FLOAT_MIN, D_TEST, PORT_FLOAT_MAX
};
long lb, tl[] = { PORT_LONG_MIN, -(L_TEST), 0, L_TEST, PORT_LONG_MAX };
int ib, ti[] = { PORT_INT_MIN, -(L_TEST), 0, L_TEST, PORT_INT_MAX };
short sb, ts[] = { PORT_SHORT_MIN, -(S_TEST), 0, S_TEST, PORT_SHORT_MAX };
char cb, tc[] = { PORT_CHAR_MIN, -(C_TEST), 0, C_TEST, PORT_CHAR_MAX };
err = EXIT_SUCCESS;
if (NULL == (fp.file = fopen("test.tmp", "wb+"))) {
G_fatal_error("Unable tp open test.tmp file");
}
fp.loaded = 0;
dig_set_cur_port(&port);
byte_order = ENDIAN_LITTLE;
for (i = 0; i < 2; i++) {
dig_init_portable(&(port), byte_order);
for (j = 0; j < 7; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "double ");
dig__fwrite_port_D(&(td[j]), 1, &fp);
dig_fseek(&fp, -(PORT_DOUBLE), SEEK_CUR);
dig__fread_port_D(&db, 1, &fp);
dig_fflush(&fp);
if (db != td[j]) {
G_warning("Error in read/write portable double, byte_order = %d"
" Written: %.16e3E Read: %.16e3E",
byte_order, td[j], db);
err = EXIT_FAILURE;
}
}
for (j = 0; j < 7; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "float ");
dig__fwrite_port_F(&(tf[j]), 1, &fp);
dig_fseek(&fp, -(PORT_FLOAT), SEEK_CUR);
dig__fread_port_F(&fb, 1, &fp);
dig_fflush(&fp);
if (fb != tf[j]) {
G_warning("Error in read/write portable float, byte_order = %d"
" Written: %.8e3E Read: %.8e3E",
byte_order, tf[j], fb);
err = EXIT_FAILURE;
}
}
for (j = 0; j < 5; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "long ");
dig__fwrite_port_L(&(tl[j]), 1, &fp);
dig_fseek(&fp, -(PORT_LONG), SEEK_CUR);
dig__fread_port_L(&lb, 1, &fp);
dig_fflush(&fp);
if (lb != tl[j]) {
G_warning("Error in read/write portable long, byte_order = %d"
" Written: %lu Read: %lu",
byte_order, (long unsigned) tl[j], (long unsigned) lb);
err = EXIT_FAILURE;
}
}
for (j = 0; j < 5; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "int ");
dig__fwrite_port_I(&(ti[j]), 1, &fp);
dig_fseek(&fp, -(PORT_INT), SEEK_CUR);
dig__fread_port_I(&ib, 1, &fp);
dig_fflush(&fp);
if (ib != ti[j]) {
G_warning("Error in read/write portable int, byte_order = %d"
" Written: %d Read: %d",
byte_order, ti[j], ib);
err = EXIT_FAILURE;
}
}
for (j = 0; j < 5; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "short ");
dig__fwrite_port_S(&(ts[j]), 1, &fp);
dig_fseek(&fp, -(PORT_SHORT), SEEK_CUR);
dig__fread_port_S(&sb, 1, &fp);
dig_fflush(&fp);
if (sb != ts[j]) {
G_warning("Error in read/write portable short, byte_order = %d"
" Written: %d Read: %d",
byte_order, ts[j], sb);
err = EXIT_FAILURE;
}
}
for (j = 0; j < 5; j++) {
dig_fseek(&fp, 0, SEEK_CUR);
fprintf(fp.file, "char ");
dig__fwrite_port_C(&(tc[j]), 1, &fp);
dig_fseek(&fp, -(PORT_CHAR), SEEK_CUR);
dig__fread_port_C(&cb, 1, &fp);
dig_fflush(&fp);
if (cb != tc[j]) {
G_warning("Error in read/write portable char, byte_order = %d"
" Written: %d Read: %d",
byte_order, tc[j], cb);
err = EXIT_FAILURE;
}
}
byte_order = ENDIAN_BIG;
}
fclose(fp.file);
exit(err);
}
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