InputStream.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <ndb_global.h>
- #include "InputStream.hpp"
- #include <socket_io.h>
- FileInputStream Stdin(stdin);
- FileInputStream::FileInputStream(FILE * file)
- : f(file) {
- }
- char*
- FileInputStream::gets(char * buf, int bufLen){
- if(!feof(f)){
- return fgets(buf, bufLen, f);
- }
- return 0;
- }
- SocketInputStream::SocketInputStream(NDB_SOCKET_TYPE socket,
- unsigned readTimeout)
- : m_socket(socket) {
- m_timeout = readTimeout;
- }
- char*
- SocketInputStream::gets(char * buf, int bufLen) {
- buf[0] = 77;
- assert(bufLen >= 2);
- int res = readln_socket(m_socket, m_timeout, buf, bufLen - 1);
- if(res == -1)
- return 0;
- if(res == 0 && buf[0] == 77){ // select return 0
- buf[0] = 0;
- } else if(res == 0 && buf[0] == 0){ // only newline
- buf[0] = 'n';
- buf[1] = 0;
- } else {
- int len = strlen(buf);
- buf[len + 1] = '';
- buf[len] = 'n';
- }
- return buf;
- }