Function lodepng_load_file

dependency/densecrf/examples/lodepng.cpp:387–397

}

unsigned lodepng_load_file(unsigned char** out, size_t* outsize, const char* filename)
{
    long size = lodepng_filesize(filename);
    if (size < 0) return 78;
    *outsize = (size_t)size;
    
    *out = (unsigned char*)lodepng_malloc((size_t)size);
    if(!(*out) && size > 0) return 83; /*the above malloc failed*/
    
    return lodepng_buffer_file(*out, (size_t)size, filename);
}

/*write given buffer to the file, overwriting the file, it doesn't append to it.*/
unsigned lodepng_save_file(const unsigned char* buffer, size_t buffersize, const char* filename)