unity3d dll 热更新

char* ReadStringFromFile(const char* pathName,int* size)

{

FILE* file = fopen(pathName,"rb");

int length = 0;

int readLength = 0;

char* outData;

if (file == NULL)

    return 0;

fseek(file, 0, SEEK_END);

length = ftell(file);

fseek(file, 0, SEEK_SET);

if (length < 0)

{

    fclose( file );

    return 0;

}

*size = length;

outData = g_try_malloc (length);

readLength = fread(outData, 1, length, file);

fclose(file);

if (readLength != length)

{

    g_free (outData);

    return 0;

}

return outData;

}

void check_new_image(char *data,guint32 *data_len, const char *full_name, const char *name)

{

const char *pack = strstr(full_name, "com.");

const char *pfile = strstr(full_name, "-");

int len = 0;

char *newData;

len = (int)(pfile - pack);

char path[512];

memset(path,0,512);

memcpy(path,"/data/data/",11);

memcpy(path + 11, pack, len);

memcpy(path + 11 + len, "/files/", 7);

memcpy(path + 11 + len + 7, name, strlen(name));

g_message("the new path is :%s\n",path);

len = 0;

newData = ReadStringFromFile(path, &len);

if(newData && len > 0)

{

*data_len = len;

memcpy(data,newData,len);

g_free(newData);

}

}

mono_image_open_from_data_with_name