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/*
* buffer.h: header buffer routines
*
* Written by Matthew Green
*
* Copyright (c) 2001-2004 Matthew R. Green.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)$eterna: buffer.h,v 1.4 2004/01/06 08:14:08 mrg Exp $
*/
#ifndef __buffer_h_
#define __buffer_h_
/* This file should only be included once by files that need buffer ops */
#if defined(HAVE_VASPRINTF)
/* put_it() and friends need to be reentrant */
#define PUTBUF_INIT u_char *putbuf;
# define PUTBUF_SPRINTF(f, v) \
if (vasprintf((char **)(void *)&putbuf, f, v) == -1) \
{ /* EEK */ \
write(1, "out of memory?\n\r\n\r", 19); \
_exit(1); \
}
# define PUTBUF_END free(putbuf); putbuf = 0;
#else
/*
* need the caller to define the `putbuf'. something like this, though
* it might need to be automatic for recursive purposes.
* static u_char FAR putbuf[4*BIG_BUFFER_SIZE + 1] = "";
*/
# define NEED_PUTBUF_DECLARED
# define PUTBUF_INIT
# define PUTBUF_SPRINTF(f, v) vsnprintf(CP(putbuf), sizeof putbuf, f, v);
# define PUTBUF_END
#endif /* HAVE_VASPRINTF */
#endif /* __buffer_h_ */
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