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/* ply-buffer.h - facilities for buffering data
*
* Copyright (C) 2008 Ray Strode <rstrode@redhat.com>
*
* 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, 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., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef PLY_BUFFER_H
#define PLY_BUFFER_H
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
typedef struct _ply_buffer ply_buffer_t;
#ifndef PLY_HIDE_FUNCTION_DECLARATIONS
ply_buffer_t *ply_buffer_new (void);
void ply_buffer_free (ply_buffer_t *buffer);
void ply_buffer_append_bytes (ply_buffer_t *buffer,
const void *bytes,
size_t number_of_bytes);
void ply_buffer_append_from_fd (ply_buffer_t *buffer,
int fd);
#define ply_buffer_append(buffer, format, args ...) \
ply_buffer_append_with_non_literal_format_string (buffer, \
format "", ## args)
__attribute__((__format__ (__printf__, 2, 3)))
void ply_buffer_append_with_non_literal_format_string (ply_buffer_t *buffer,
const char *format,
...);
void ply_buffer_set_bytes (ply_buffer_t *buffer,
void *bytes,
size_t number_of_bytes,
size_t capacity);
void ply_buffer_remove_bytes (ply_buffer_t *buffer,
size_t number_of_bytes);
void ply_buffer_remove_bytes_at_end (ply_buffer_t *buffer,
size_t number_of_bytes);
const char *ply_buffer_get_bytes (ply_buffer_t *buffer);
size_t ply_buffer_get_capacity (ply_buffer_t *buffer);
char *ply_buffer_steal_bytes (ply_buffer_t *buffer);
#define ply_buffer_borrow_bytes(buffer, bytes, size, capacity) \
for (bool _ran = false; *bytes = (char *) ply_buffer_get_bytes (buffer), \
*size = ply_buffer_get_size (buffer), \
*capacity = ply_buffer_get_capacity (buffer), \
!_ran; \
ply_buffer_set_bytes (buffer, *bytes, *size, *capacity), _ran = true)
size_t ply_buffer_get_size (ply_buffer_t *buffer);
void ply_buffer_clear (ply_buffer_t *buffer);
#endif
#endif /* PLY_BUFFER_H */
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