67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Copyright 2008-2013 Various Authors
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* Copyright 2008 Timo Hirvonen
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*
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* This code is largely based on strbuf in the GIT version control system.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CMUS_GBUF_H
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#define CMUS_GBUF_H
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#include "compiler.h"
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#include "uchar.h"
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#include <stddef.h> /* size_t */
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#include <stdarg.h>
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struct gbuf {
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char *buffer;
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size_t alloc;
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size_t len;
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};
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extern char gbuf_empty_buffer[];
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#define GBUF(name) struct gbuf name = { gbuf_empty_buffer, 0, 0 }
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static inline void gbuf_clear(struct gbuf *buf)
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{
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buf->len = 0;
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buf->buffer[0] = 0;
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}
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static inline size_t gbuf_avail(struct gbuf *buf)
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{
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if (buf->alloc)
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return buf->alloc - buf->len - 1;
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return 0;
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}
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void gbuf_grow(struct gbuf *buf, size_t more);
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void gbuf_used(struct gbuf *buf, size_t used);
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void gbuf_free(struct gbuf *buf);
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void gbuf_add_ch(struct gbuf *buf, char ch);
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void gbuf_add_uchar(struct gbuf *buf, uchar u);
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void gbuf_add_bytes(struct gbuf *buf, const void *data, size_t len);
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void gbuf_add_str(struct gbuf *buf, const char *str);
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void gbuf_add_ustr(struct gbuf *buf, const char *src, int *width);
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void gbuf_addf(struct gbuf *buf, const char *fmt, ...) CMUS_FORMAT(2, 3);
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void gbuf_vaddf(struct gbuf *buf, const char *fmt, va_list ap);
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void gbuf_set(struct gbuf *buf, int c, size_t count);
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char *gbuf_steal(struct gbuf *buf);
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#endif
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