From 5df79c53745fde5d6c3340a2979b1429cd5892c1 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Sat, 8 Oct 2011 20:30:28 +0200 Subject: Initial import of htcd system 1.0 Signed-off-by: Henrik Rydberg --- src/mt/mread.h | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/mt/mread.h (limited to 'src/mt/mread.h') diff --git a/src/mt/mread.h b/src/mt/mread.h new file mode 100644 index 0000000..11516a2 --- /dev/null +++ b/src/mt/mread.h @@ -0,0 +1,63 @@ +/************************************************************************* + * + * HTCd - Copyright (C) 1998-2006 Henrik Rydberg + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef MREADH +#define MREADH + +// These functions work with nonblocking pipes +// as well as normal devices, and does not produce +// any signals on pipe errors + +#include +#include +#include + +class mread { +public: + mread(); + mread(int f); + + void setfd(int f) { clear(); fd=f; } + int getfd() const { return fd; } + + void setflag(int f) { fcntl(fd,F_SETFL,f); } + int getflag() const { return fcntl(fd,F_GETFL,0); } + + // Basic, pipe-safe, normally non-blocking, reads + void clear(); + int poll(); + int read(char* s,int n); + void putback(const sref& s); + + // Buffered reads + int readx(char* s,int n); // may timeout and return less than wanted + int readln(char* s,int n); + int readpara(char* s,int n); + +private: + int fd; + mstring buf; +}; + +// All functions return number of bytes written, or -1 on error. +// Note that although ln and para continues to read until +// it finds a newline or a paragraph, it may read more than that. +// Use clear() to restore reading state + +#endif -- cgit v1.2.3