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Use proper VFS version.

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VFS callbacks fail since it requires V2, which includes vfs_truncate. Otherwise it falls back to libretro-common code. Current VFS wrapping code in libretro-common needs V2 since vfs_truncate's callback is set.

https://github.com/libretro/libretro-common/blob/master/streams/file_stream.c#L65

Now VFS callbacks work properly in frontends that support them. Otherwise a hack of setting "cb->required_interface_version = 2" in frontend works. Only cores, according to specs, are meant to set the required version.
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mudlord 2023-01-31 05:39:52 +11:00 • committed by GitHub
parent 2fcbdc1d17
commit eb7d708d71
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libretro/libretro.c
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@ -685,7 +685,7 @@ void retro_set_environment(retro_environment_t cb)
};
environ_cb(RETRO_ENVIRONMENT_GET_PERF_INTERFACE, &perf_cb);
vfs_iface_info.required_interface_version = 1;
vfs_iface_info.required_interface_version = 2;
vfs_iface_info.iface = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
filestream_vfs_init(&vfs_iface_info);