lib/libstand/splitfs.c

47 static int	split_openfile(struct split_file *sf);
66 split_file_destroy(struct split_file *sf)
70     if (sf->filesc > 0) {
71 	for (i = 0; i < sf->filesc; i++) {
72 	    free(sf->filesv[i]);
73 	    free(sf->descsv[i]);
75 	free(sf->filesv);
76 	free(sf->descsv);
78     free(sf);
82 split_openfile(struct split_file *sf)
87 	sf->curfd = open(sf->filesv[sf->curfile], O_RDONLY);
88 	if (sf->curfd >= 0)
90 	if ((sf->curfd == -1) && (errno != ENOENT))
95 	    sf->descsv[sf->curfile]);
99     sf->file_pos = 0;
108     struct split_file *sf;
141     sf = malloc(sizeof(struct split_file));
142     bzero(sf, sizeof(struct split_file));
156 	sf->filesc++;
157 	sf->filesv = realloc(sf->filesv, sizeof(*(sf->filesv)) * sf->filesc);
158 	sf->descsv = realloc(sf->descsv, sizeof(*(sf->descsv)) * sf->filesc);
159 	sf->filesv[sf->filesc - 1] = strdup(buf);
160 	sf->descsv[sf->filesc - 1] = strdup(cp);
165     if (sf->filesc == 0) {
166 	split_file_destroy(sf);
169     errno = split_openfile(sf);
171 	split_file_destroy(sf);
176     f->f_fsdata = sf;
184     struct split_file *sf;
186     sf = (struct split_file *)f->f_fsdata;
187     fd = sf->curfd;
188     split_file_destroy(sf);
197     struct split_file *sf;
199     sf = (struct split_file *)f->f_fsdata;
202 	nread = read(sf->curfd, buf, size - totread);
208 	sf->tot_pos += nread;
209 	sf->file_pos += nread;
214 	    if (sf->curfile == (sf->filesc - 1))	/* Last slice */
218 	    if (close(sf->curfd) != 0)
221 	    sf->curfile++;
222 	    errno = split_openfile(sf);
240     struct split_file *sf;
242     sf = (struct split_file *)f->f_fsdata;
247 	seek_by -= sf->tot_pos;
289 	if (sf->file_pos + seek_by < 0)
291 	new_pos = lseek(sf->curfd, seek_by, SEEK_CUR);
296 	sf->tot_pos += new_pos - sf->file_pos;
297 	sf->file_pos = new_pos;
300     return (sf->tot_pos);
307     struct split_file *sf = (struct split_file *)f->f_fsdata;
310     if ((result = fstat(sf->curfd, sb)) == 0)