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; }