Function strbuf_append_mem_unsafe

deps/lua/src/strbuf.h:134–138

}

static inline void strbuf_append_mem_unsafe(strbuf_t *s, const char *c, int len)
{
    memcpy(s->buf + s->length, c, len);
    s->length += len;
}

static inline void strbuf_ensure_null(strbuf_t *s)
{