/*

* Copyright 2008-2013 Various Authors

* Copyright 2008 Timo Hirvonen

*

* This code is largely based on strbuf in the GIT version control system.

*

* 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, see <http://www.gnu.org/licenses/>.

*/

#ifndef GBUF_H

#define GBUF_H

#include "compiler.h"

#include <stddef.h> /* size_t */

struct gbuf {

};

extern char gbuf_empty_buffer[];

#define GBUF(name) struct gbuf name = { gbuf_empty_buffer, 0, 0 }

static inline void gbuf_clear(struct gbuf *buf)

{

buf->len = 0;

buf->buffer[0] = 0;

}

static inline size_t gbuf_avail(struct gbuf *buf)

{

if (buf->alloc)

return buf->alloc - buf->len - 1;

return 0;

}

void gbuf_grow(struct gbuf *buf, size_t more);

void gbuf_free(struct gbuf *buf);

void gbuf_add_ch(struct gbuf *buf, char ch);

void gbuf_add_bytes(struct gbuf *buf, const void *data, size_t len);

void gbuf_add_str(struct gbuf *buf, const char *str);

void gbuf_addf(struct gbuf *buf, const char *fmt, ...) __FORMAT(2, 3);

void gbuf_set(struct gbuf *buf, int c, size_t count);

char *gbuf_steal(struct gbuf *buf);

#endif