| 1 | #include <stdlib.h> |
| 2 | #include <stdio.h> |
| 3 | #include <unistd.h> |
| 4 | #include <fcntl.h> |
| 5 | #include <time.h> |
| 6 | #include <string.h> |
| 7 | #include <errno.h> |
| 8 | #include <sys/stat.h> |
| 9 | |
| 10 | #include "utils.h" |
| 11 | #include "store.h" |
| 12 | #include "blocktree.h" |
| 13 | #include "vcfs.h" |
| 14 | |
| 15 | int main(int argc, char **argv) |
| 16 | { |
| 17 | struct store *st; |
| 18 | struct inode root; |
| 19 | struct revrec frev; |
| 20 | struct dentry dots; |
| 21 | time_t now; |
| 22 | int fd; |
| 23 | char tbuf[1024]; |
| 24 | |
| 25 | if(argc < 2) { |
| 26 | fprintf(stderr, "usage; mkfs.vc DIR\n"); |
| 27 | exit(1); |
| 28 | } |
| 29 | if(mkfstore(argv[1])) |
| 30 | exit(1); |
| 31 | if((st = newfstore(argv[1])) == NULL) |
| 32 | exit(1); |
| 33 | |
| 34 | now = time(NULL); |
| 35 | |
| 36 | memset(&dots, 0, sizeof(dots)); |
| 37 | dots.inode = 0; |
| 38 | |
| 39 | root.mode = S_IFDIR | 0755; |
| 40 | root.mtime = root.ctime = now; |
| 41 | root.size = 2; |
| 42 | root.uid = getuid(); |
| 43 | root.gid = getgid(); |
| 44 | root.links = 2; |
| 45 | root.data.d = 0; |
| 46 | root.xattr.d = 0; |
| 47 | strcpy(dots.name, "."); |
| 48 | if(btput(st, &root.data, 0, &dots, sizeof(dots) - sizeof(dots.name) + 2, DIRBLSIZE)) { |
| 49 | fprintf(stderr, "mkfs.vc: could not create root directory entries: %s\n", strerror(errno)); |
| 50 | exit(1); |
| 51 | } |
| 52 | strcpy(dots.name, ".."); |
| 53 | if(btput(st, &root.data, 1, &dots, sizeof(dots) - sizeof(dots.name) + 3, DIRBLSIZE)) { |
| 54 | fprintf(stderr, "mkfs.vc: could not create root directory entries: %s\n", strerror(errno)); |
| 55 | exit(1); |
| 56 | } |
| 57 | |
| 58 | frev.ct = now; |
| 59 | frev.root.d = 0; |
| 60 | if(btput(st, &frev.root, 0, &root, sizeof(root), INOBLSIZE)) { |
| 61 | fprintf(stderr, "mkfs.vc: could not store root directory inode: %s\n", strerror(errno)); |
| 62 | exit(1); |
| 63 | } |
| 64 | releasestore(st); |
| 65 | |
| 66 | snprintf(tbuf, sizeof(tbuf), "%s/revs", argv[1]); |
| 67 | if((fd = open(tbuf, O_WRONLY | O_CREAT | O_EXCL, 0600)) < 0) { |
| 68 | fprintf(stderr, "mkfs.vc: could not create revision database: %s\n", strerror(errno)); |
| 69 | exit(1); |
| 70 | } |
| 71 | if(writeall(fd, &frev, sizeof(frev), 0)) { |
| 72 | fprintf(stderr, "mkfs.vc: could not write initial revision: %s\n", strerror(errno)); |
| 73 | exit(1); |
| 74 | } |
| 75 | fsync(fd); |
| 76 | close(fd); |
| 77 | return(0); |
| 78 | } |