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/*
* Copyright (C) 1996-2002,2010,2013 Michael R. Elkins <me@mutt.org>
* Copyright (C) 2004 g10 Code GmbH
* Copyright (C) 2018,2020 Kevin J. McCarthy <kevin@8t8.us>
*
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _BUFFER_H
#define _BUFFER_H
typedef struct
{
char *data; /* pointer to data */
char *dptr; /* current read/write position */
size_t dsize; /* length of data */
} BUFFER;
/* Convert a buffer to a const char * "string" */
#define mutt_b2s(b) (b->data ? (const char *)b->data : "")
BUFFER *mutt_buffer_new (void);
BUFFER *mutt_buffer_init (BUFFER *);
void mutt_buffer_free (BUFFER **);
BUFFER *mutt_buffer_from (char *);
void mutt_buffer_clear (BUFFER *);
void mutt_buffer_rewind (BUFFER *);
size_t mutt_buffer_len (BUFFER *);
void mutt_buffer_increase_size (BUFFER *, size_t);
void mutt_buffer_fix_dptr (BUFFER *);
/* These two replace the buffer contents. */
int mutt_buffer_printf (BUFFER*, const char*, ...);
void mutt_buffer_strcpy (BUFFER *, const char *);
void mutt_buffer_strcpy_n (BUFFER *, const char *, size_t);
void mutt_buffer_substrcpy (BUFFER *buf, const char *beg, const char *end);
/* These append to the buffer. */
int mutt_buffer_add_printf (BUFFER*, const char*, ...);
void mutt_buffer_addstr_n (BUFFER*, const char*, size_t);
void mutt_buffer_addstr (BUFFER*, const char*);
void mutt_buffer_addch (BUFFER*, char);
void mutt_buffer_pool_init (void);
void mutt_buffer_pool_free (void);
BUFFER *mutt_buffer_pool_get (void);
void mutt_buffer_pool_release (BUFFER **);
#endif
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