libc/gen/utxdb.c

40 #define	UTOF_STRING(ut, fu, field) do { \
41 	strncpy((fu)->fu_ ## field, (ut)->ut_ ## field,		\
42 	    MIN(sizeof (fu)->fu_ ## field, sizeof (ut)->ut_ ## field));	\
44 #define	UTOF_ID(ut, fu) do { \
45 	memcpy((fu)->fu_id, (ut)->ut_id,				\
46 	    MIN(sizeof (fu)->fu_id, sizeof (ut)->ut_id));		\
48 #define	UTOF_PID(ut, fu) do { \
49 	(fu)->fu_pid = htobe32((ut)->ut_pid);				\
51 #define	UTOF_TYPE(ut, fu) do { \
52 	(fu)->fu_type = (ut)->ut_type;					\
54 #define	UTOF_TV(fu) do { \
57 	(fu)->fu_tv = htobe64((uint64_t)tv.tv_sec * 1000000 +		\
62 utx_to_futx(const struct utmpx *ut, struct futx *fu)
65 	memset(fu, 0, sizeof *fu);
75 		UTOF_ID(ut, fu);
76 		UTOF_STRING(ut, fu, user);
77 		UTOF_STRING(ut, fu, line);
79 		UTOF_STRING(ut, fu, host);
80 		UTOF_PID(ut, fu);
83 		UTOF_ID(ut, fu);
84 		UTOF_PID(ut, fu);
87 		UTOF_ID(ut, fu);
88 		UTOF_STRING(ut, fu, user);
89 		UTOF_STRING(ut, fu, line);
90 		UTOF_PID(ut, fu);
93 		UTOF_ID(ut, fu);
94 		UTOF_PID(ut, fu);
97 		fu->fu_type = EMPTY;
101 	UTOF_TYPE(ut, fu);
102 	UTOF_TV(fu);
105 #define	FTOU_STRING(fu, ut, field) do { \
106 	strncpy((ut)->ut_ ## field, (fu)->fu_ ## field,		\
107 	    MIN(sizeof (ut)->ut_ ## field - 1, sizeof (fu)->fu_ ## field)); \
109 #define	FTOU_ID(fu, ut) do { \
110 	memcpy((ut)->ut_id, (fu)->fu_id,				\
111 	    MIN(sizeof (ut)->ut_id, sizeof (fu)->fu_id));		\
113 #define	FTOU_PID(fu, ut) do { \
114 	(ut)->ut_pid = be32toh((fu)->fu_pid);				\
116 #define	FTOU_TYPE(fu, ut) do { \
117 	(ut)->ut_type = (fu)->fu_type;					\
119 #define	FTOU_TV(fu, ut) do { \
121 	t = be64toh((fu)->fu_tv);					\
127 futx_to_utx(const struct futx *fu)
142 	switch (fu->fu_type) {
150 		FTOU_ID(fu, ut);
151 		FTOU_STRING(fu, ut, user);
152 		FTOU_STRING(fu, ut, line);
154 		FTOU_STRING(fu, ut, host);
155 		FTOU_PID(fu, ut);
158 		FTOU_ID(fu, ut);
159 		FTOU_PID(fu, ut);
162 		FTOU_ID(fu, ut);
163 		FTOU_STRING(fu, ut, user);
164 		FTOU_STRING(fu, ut, line);
165 		FTOU_PID(fu, ut);
168 		FTOU_ID(fu, ut);
169 		FTOU_PID(fu, ut);
176 	FTOU_TYPE(fu, ut);
177 	FTOU_TV(fu, ut);