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e264723db2
* Style varied wildly between files and within files.
* find . -name "*.c" -exec indent {} -ut -ts4 -kr -psl \;
* find . -name "*.h" -exec indent {} -ut -ts4 -kr -psl \;
77 lines
2.0 KiB
C
77 lines
2.0 KiB
C
/* This file is part of Netsukuku
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* (c) Copyright 2005 Andrea Lo Pumo aka AlpT <alpt@freaknet.org>
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*
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* This source code is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* This source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* Please refer to the GNU Public License for more details.
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*
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* You should have received a copy of the GNU Public License along with
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* this source code; if not, write to:
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* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* --
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* buffer.c: various functions to manipulate buffers
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*/
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#ifndef BUFFER_H
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#define BUFFER_H
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/*
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* In bzero(3):
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* <<4.3BSD. This function [bzero] is deprecated -- use memset in new
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* programs.>>
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*/
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#define setzero(_p, _sz) memset((_p), 0, (_sz))
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/*
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* memput
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*
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* It copies `__sz' bytes from `__src' to `__dst' and then increments the `__dst'
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* pointer of `__sz' bytes.
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*
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* *WARNING*
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* Do NOT put expression in `__dst', and `__sz', f.e.
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* *WRONG CODE*
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* memput(buf++, src, (size+=sizeof(src));
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*
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* *CORRECT CODE*
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* buf++; size+=sizeof(src);
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* memput(buf, src, size);
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* *WARNING*
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*/
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#define memput(__dst, __src, __sz) \
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({ \
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void *_bufret=memcpy((__dst), (__src), (__sz)); \
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(__dst)+=(__sz); \
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_bufret; \
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})
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/*
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* memget
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*
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* the same of memput(), but it increments `__src' instead.
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*/
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#define memget(__dst, __src, __sz) \
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({ \
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void *_bufret=memcpy((__dst), (__src), (__sz)); \
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(__src)+=(__sz); \
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_bufret; \
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})
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/* use of hardcoded `_src' and `_dst' variable names */
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#define bufput(_src, _sz) (memput(buf, (_src), (_sz)))
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#define bufget(_dst, _sz) (memget((_dst), buf, (_sz)))
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/*\
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* * * * Functions declaration * * *
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\*/
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int is_bufzero(const void *a, int sz);
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#endif /*BUFFER_H */
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