56 fifolog_int_open_i(struct fifolog_file *f, const char *fname, int mode)  in fifolog_int_open_i()  argument
62 	f->fd = open(fname, mode ? O_RDWR : O_RDONLY);  in fifolog_int_open_i()
63 	if (f->fd < 0)  in fifolog_int_open_i()
67 	i = ioctl(f->fd, DIOCGSECTORSIZE, &f->recsize);  in fifolog_int_open_i()
72 		i = fstat(f->fd, &st);  in fifolog_int_open_i()
76 		f->recsize = 512;  in fifolog_int_open_i()
77 		f->logsize = st.st_size;  in fifolog_int_open_i()
78 	} else if (f->recsize < 64) {  in fifolog_int_open_i()
81 		i = ioctl(f->fd, DIOCGMEDIASIZE, &f->logsize);  in fifolog_int_open_i()
87 	f->recbuf = malloc(f->recsize);  in fifolog_int_open_i()
88 	if (f->recbuf == NULL)  in fifolog_int_open_i()
92 	i = pread(f->fd, f->recbuf, f->recsize, 0);  in fifolog_int_open_i()
93 	if (i < 0 || i < (int)f->recsize)  in fifolog_int_open_i()
97 	if (memcmp(f->recbuf, FIFOLOG_FMT_MAGIC, strlen(FIFOLOG_FMT_MAGIC) + 1))  in fifolog_int_open_i()
100 	u = be32dec(f->recbuf + FIFOLOG_OFF_BS);  in fifolog_int_open_i()
104 	if ((off_t)u >= f->logsize)  in fifolog_int_open_i()
107 	f->recsize = u;  in fifolog_int_open_i()
110 	if (u != f->recsize) {  in fifolog_int_open_i()
111 		free(f->recbuf);  in fifolog_int_open_i()
112 		f->recbuf = NULL;  in fifolog_int_open_i()
113 		f->recsize = u;  in fifolog_int_open_i()
114 		f->recbuf = malloc(f->recsize);  in fifolog_int_open_i()
115 		if (f->recbuf == NULL)  in fifolog_int_open_i()
120 	f->logsize /= u;  in fifolog_int_open_i()
121 	if (f->logsize < 10)  in fifolog_int_open_i()
124 	f->logsize--;		/* the label record */  in fifolog_int_open_i()
128 	f->zs = calloc(1, sizeof(*f->zs));  in fifolog_int_open_i()
129 	if (f->zs == NULL)  in fifolog_int_open_i()
138 	struct fifolog_file fs, *f;  in fifolog_int_open()  local
142 	f = &fs;  in fifolog_int_open()
143 	memset(f, 0, sizeof *f);  in fifolog_int_open()
144 	f->fd = -1;  in fifolog_int_open()
145 	retval = fifolog_int_open_i(f, fname, mode);  in fifolog_int_open()
148 		*ff = malloc(sizeof *f);  in fifolog_int_open()
150 			memcpy(*ff, f, sizeof *f);  in fifolog_int_open()
155 	fifolog_int_close(&f);  in fifolog_int_open()
163 	struct fifolog_file *f;  in fifolog_int_close()  local
165 	f = *ff;  in fifolog_int_close()
167 	if (f == NULL)  in fifolog_int_close()
170 	if (f->fd >= 0)  in fifolog_int_close()
171 		(void)close(f->fd);  in fifolog_int_close()
172 	if (f->zs != NULL)  in fifolog_int_close()
173 		free(f->zs);  in fifolog_int_close()
174 	if (f->recbuf != NULL)  in fifolog_int_close()
175 		free(f->recbuf);  in fifolog_int_close()