static void
readBlobAsChar(test_info *t, int step, int wide)
{
SQLRETURN rc = SQL_SUCCESS_WITH_INFO;
char buf[8192];
SQLLEN len, total = 0, len2;
int i = 0;
int check;
int bufsize;
SQLSMALLINT type = SQL_C_CHAR;
unsigned int char_len = 1;
if (wide) {
char_len = sizeof(SQLWCHAR);
type = SQL_C_WCHAR;
}
if (step%2) bufsize = sizeof(buf) - char_len;
else bufsize = sizeof(buf);
printf(">> readBlobAsChar field %d\n", t->num);
while (rc == SQL_SUCCESS_WITH_INFO) {
i++;
rc = CHKGetData(t->num, type, (SQLPOINTER) buf, (SQLINTEGER) bufsize, &len, "SINo");
if (rc == SQL_SUCCESS_WITH_INFO && len == SQL_NO_TOTAL) {
len = bufsize - char_len;
rc = SQL_SUCCESS;
}
if (rc == SQL_NO_DATA || len <= 0)
break;
rc = CHKGetData(t->num, type, (SQLPOINTER) buf, 0, &len2, "SINo");
if (rc == SQL_SUCCESS_WITH_INFO && len2 != SQL_NO_TOTAL)
len = len - len2;
#if 0
if (len > (SQLLEN) (bufsize - char_len))
len = (SQLLEN) (bufsize - char_len);
len -= len % (2u * char_len);
#endif
printf(">> step %d: %d bytes readed\n", i, (int) len);
if (wide) {
len /= sizeof(SQLWCHAR);
odbc_from_sqlwchar((char *) buf, (SQLWCHAR *) buf, len + 1);
}
check = check_hex(buf, len, 2*t->gen1 + total, t->gen2);
if (!check) {
fprintf(stderr, "Wrong buffer content\n");
dump(stderr, " buf ", buf, len);
failed = 1;
}
total += len;
}
printf(">> total bytes read = %d \n", (int) total);
if (total != 20000) {
fprintf(stderr, "Wrong buffer length, expected 20000\n");
failed = 1;
}
}
char*
odbc_get_sqlchar(ODBC_BUF** buf, SQLWCHAR *s)
{
int n;
const SQLWCHAR *p = s;
char *out;
for (n=1; *p++ != 0; ++n)
continue;
out = odbc_buf_get(buf, n);
odbc_from_sqlwchar(out, s, n);
return out;
}
