bytebuffer_init_with_size()

void bytebuffer_init_with_size	(	bytebuffer_t *	s,
		size_t	size
	)

Allocate just the internal buffer of an existing bytebuffer_t struct.

Useful for allocating short-lived bytebuffers off the stack.

Definition at line 71 of file bytebuffer.c.

References bytebuffer_t::buf_start, bytebuffer_t::buf_static, BYTEBUFFER_STATICSIZE, bytebuffer_t::capacity, lwalloc(), bytebuffer_t::readcursor, and bytebuffer_t::writecursor.

Referenced by lwgeom_to_twkb_with_idlist(), lwgeom_write_to_buffer(), and ptarray_to_twkb_buf().

{
        if ( size < BYTEBUFFER_STATICSIZE )
        {
                s->capacity = BYTEBUFFER_STATICSIZE;
                s->buf_start = s->buf_static;
        }
        else
        {
                s->buf_start = lwalloc(size);
                s->capacity = size;
        }
        s->readcursor = s->writecursor = s->buf_start;
        memset(s->buf_start, 0, s->capacity);
}

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