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PATH: usr / include / libdrm / nouveau / nvif

#ifndef __NVIF_UNPACK_H__
#define __NVIF_UNPACK_H__

#define nvif_unvers(r,d,s,m) ({                                                \
	void **_data = (d); __u32 *_size = (s); int _ret = (r);                \
	if (_ret == -ENOSYS && *_size == sizeof(m)) {                          \
		*_data = NULL;                                                 \
		*_size = _ret = 0;                                             \
	}                                                                      \
	_ret;                                                                  \
})

#define nvif_unpack(r,d,s,m,vl,vh,x) ({                                        \
	void **_data = (d); __u32 *_size = (s);                                \
	int _ret = (r), _vl = (vl), _vh = (vh);                                \
	if (_ret == -ENOSYS && *_size >= sizeof(m) &&                          \
	    (m).version >= _vl && (m).version <= _vh) {                        \
		*_data = (__u8 *)*_data + sizeof(m);                           \
		*_size = *_size - sizeof(m);                                   \
		if (_ret = 0, !(x)) {                                          \
			_ret = *_size ? -E2BIG : 0;                            \
			*_data = NULL;                                         \
			*_size = 0;                                            \
		}                                                              \
	}                                                                      \
	_ret;                                                                  \
})
#endif

[-] if0003.h [edit]
[+] ..
[-] if0002.h [edit]
[-] class.h [edit]
[-] cl9097.h [edit]
[-] ioctl.h [edit]
[-] unpack.h [edit]
[-] cl0080.h [edit]