A lightweight and user-friendly wrapper for the HPatchLite.
hpi_patch_result_t hpi_patch(hpatchi_listener_t *listener,
int patch_cache_size,
int decompress_cache_size,
hpi_TInputStream_read _do_read_diff,
read_old_t _do_read_old,
write_new_t _do_write_new);typedef struct hpatchi_instance_t
{
hpatchi_listener_t parent;
// define your own variable data here
int var1;
int var2;
int var3;
} hpatchi_instance_t;
hpi_BOOL _do_read_empty(struct hpatchi_listener_t *listener, hpi_pos_t addr, hpi_byte *data, hpi_size_t size)
{
...
}
hpi_BOOL _do_read_old(struct hpatchi_listener_t *listener, hpi_pos_t addr, hpi_byte *data, hpi_size_t size)
{
...
}
hpi_BOOL _do_read_patch(hpi_TInputStreamHandle input_stream, hpi_byte *data, hpi_size_t *size)
{
...
}
hpi_BOOL _do_write_new(struct hpatchi_listener_t *listener, const hpi_byte *data, hpi_size_t size)
{
...
}
void demo(void)
{
hpatchi_instance_t instance = {0};
instance.var1 = ;
instance.var2 = ;
instance.var3 = ;
// 差分全量升级 (full update with hpatchlite)
{
hpi_patch(&instance.parent, 128, 128, _do_read_patch, _do_read_empty, _do_write_new);
}
// 差分增量升级 (diff update with hpatchlite)
{
hpi_patch(&instance.parent, 128, 128, _do_read_patch, _do_read_old, _do_write_new);
}
}