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/* $OpenBSD: buf.h,v 1.19 2007/02/02 04:24:09 ray Exp $ */
/*
* Copyright (c) 2003 Jean-Francois Brousseau <jfb@openbsd.org>
* 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. 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 ``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 AUTHOR 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.
*/
#ifndef BUF_H
#define BUF_H
/* flags */
#define BUF_AUTOEXT 1 /* autoextend on append */
typedef struct cvs_buf BUF;
BUF *cvs_buf_alloc(size_t, u_int);
BUF *cvs_buf_load(const char *, u_int);
BUF *cvs_buf_load_fd(int, u_int);
void cvs_buf_free(BUF *);
void *cvs_buf_release(BUF *);
u_char cvs_buf_getc(BUF *, size_t);
void cvs_buf_empty(BUF *);
ssize_t cvs_buf_append(BUF *, const void *, size_t);
ssize_t cvs_buf_fappend(BUF *, const char *, ...)
__attribute__((format(printf, 2, 3)));
void cvs_buf_putc(BUF *, int);
size_t cvs_buf_len(BUF *);
int cvs_buf_write_fd(BUF *, int);
int cvs_buf_write(BUF *, const char *, mode_t);
int cvs_buf_differ(BUF *, BUF *);
void cvs_buf_write_stmp(BUF *, char *, struct timeval *);
ssize_t cvs_buf_copy(BUF *, size_t, void *, size_t);
const void *cvs_buf_peek(BUF *, size_t);
#define cvs_buf_get(b) cvs_buf_peek(b, 0)
#endif /* BUF_H */
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