Function verify

src/ziplist.c:1804–1819

}

static void verify(unsigned char *zl, zlentry *e) {
    int len = ziplistLen(zl);
    zlentry _e;

    ZIPLIST_ENTRY_ZERO(&_e);

    for (int i = 0; i < len; i++) {
        memset(&e[i], 0, sizeof(zlentry));
        zipEntry(ziplistIndex(zl, i), &e[i]);

        memset(&_e, 0, sizeof(zlentry));
        zipEntry(ziplistIndex(zl, -len+i), &_e);

        assert(memcmp(&e[i], &_e, sizeof(zlentry)) == 0);
    }
}

static unsigned char *insertHelper(unsigned char *zl, char ch, size_t len, unsigned char *pos) {
    assert(len <= ZIP_BIG_PREVLEN);