mirror of https://github.com/BOINC/boinc.git
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// The contents of this file are subject to the BOINC Public License
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// Version 1.0 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// http://boinc.berkeley.edu/license_1.0.txt
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is the Berkeley Open Infrastructure for Network Computing.
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//
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// The Initial Developer of the Original Code is the SETI@home project.
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// Portions created by the SETI@home project are Copyright (C) 2002
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// University of California at Berkeley. All Rights Reserved.
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//
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// Contributor(s):
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//
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#ifndef _MFILE_
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#define _MFILE_
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#include <stdio.h>
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#include <stdarg.h>
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// MFILE supports a primitive form of checkpointing.
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// Write all your output (and restart file) to MFILEs.
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// The output is buffered in memory.
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// Then close or flush all the MFILEs;
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// all the buffers will be flushed to disk, almost atomically.
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class MFILE {
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char* buf;
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int len;
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FILE* f;
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public:
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MFILE();
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~MFILE();
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int open(const char* path, const char* mode);
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int _putchar(char);
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int puts(const char*);
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int vprintf(const char* format, va_list);
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int printf(const char* format, ...);
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size_t write(const void *, size_t size, size_t nitems);
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int close();
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int flush();
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long tell() const;
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void get_buf(char*&, int&);
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// get the MFILE's internal buffer and its length.
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// The caller assumes ownership of the buffer and must free() it.
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// The MFILE's buffer is set to empty
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};
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#endif
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