bytebuffer_makeroom()

static void bytebuffer_makeroom ( bytebuffer_t *  s, size_t  size_to_add  )

inlinestatic

If necessary, expand the bytebuffer_t internal buffer to accomodate the specified additional size.

Definition at line 140 of file bytebuffer.c.

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

Referenced by bytebuffer_append_bulk(), bytebuffer_append_byte(), bytebuffer_append_bytebuffer(), bytebuffer_append_double(), bytebuffer_append_int(), bytebuffer_append_uvarint(), and bytebuffer_append_varint().

{
        LWDEBUGF(2,"Entered bytebuffer_makeroom with space need of %d", size_to_add);
        size_t current_write_size = (s->writecursor - s->buf_start);
        size_t current_read_size = (s->readcursor - s->buf_start);
        size_t capacity = s->capacity;
        size_t required_size = current_write_size + size_to_add;

        LWDEBUGF(2,"capacity = %d and required size = %d",capacity ,required_size);
        while (capacity < required_size)
                capacity *= 2;

        if ( capacity > s->capacity )
        {
                LWDEBUGF(4,"We need to realloc more memory. New capacity is %d", capacity);
                if ( s->buf_start == s->buf_static )
                {
                        s->buf_start = lwalloc(capacity);
                        memcpy(s->buf_start, s->buf_static, s->capacity);
                }
                else
                {
                        s->buf_start = lwrealloc(s->buf_start, capacity);
                }
                s->capacity = capacity;
                s->writecursor = s->buf_start + current_write_size;
                s->readcursor = s->buf_start + current_read_size;
        }
        return;
}

Here is the call graph for this function:

Here is the caller graph for this function: