void gbuf_add_bytes(struct gbuf *buf, const void *data, size_t len)
{
gbuf_grow(buf, len);
memcpy(buf->buffer + buf->len, data, len);
buf->len += len;
buf->buffer[buf->len] = 0;
}
void gbuf_set(struct gbuf *buf, int c, size_t count)
{
gbuf_grow(buf, count);
memset(buf->buffer + buf->len, c, count);
buf->len += count;
buf->buffer[buf->len] = 0;
}
void gbuf_make_space(struct gbuf *buf, size_t pos, size_t len)
{
BUG_ON(pos > buf->len);
gbuf_grow(buf, len);
memmove(buf->buffer + pos + len, buf->buffer + pos, buf->len - pos);
buf->len += len;
buf->buffer[buf->len] = 0;
}
void gbuf_add_buf(struct gbuf *buf, const char *ptr, size_t len)
{
if (!len)
return;
gbuf_grow(buf, len);
memcpy(buf->buffer + buf->len, ptr, len);
buf->len += len;
buf->buffer[buf->len] = 0;
}
void gbuf_add_str(struct gbuf *buf, const char *str)
{
int len = strlen(str);
if (!len)
return;
gbuf_grow(buf, len);
memcpy(buf->buffer + buf->len, str, len + 1);
buf->len += len;
}
void gbuf_addf(struct gbuf *buf, const char *fmt, ...)
{
va_list ap;
int slen;
va_start(ap, fmt);
slen = vsnprintf(buf->buffer + buf->len, buf->alloc - buf->len, fmt, ap);
va_end(ap);
if (slen > gbuf_avail(buf)) {
gbuf_grow(buf, slen + 1);
va_start(ap, fmt);
slen = vsnprintf(buf->buffer + buf->len, buf->alloc - buf->len, fmt, ap);
va_end(ap);
}
buf->len += slen;
}
void gbuf_add_ch(struct gbuf *buf, char ch)
{
gbuf_grow(buf, 1);
buf->buffer[buf->len++] = ch;
buf->buffer[buf->len] = 0;
}