projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| d2bfe217 SL |
1 | /* ls.c 1.1 86/01/12 */ |
| 2 | /* ls.c 6.1 83/07/29 */ | |
| 3 | ||
| 4 | #include "param.h" | |
| 5 | #include "inode.h" | |
| 6 | #include "dir.h" | |
| 7 | #include "fs.h" | |
| 8 | ||
| 9 | #include "saio.h" | |
| 10 | ||
| 11 | char line[100]; | |
| 12 | ||
| 13 | main() | |
| 14 | { | |
| 15 | int io; | |
| 16 | register char *ptr; | |
| 17 | struct inode *ip; | |
| 18 | ||
| 19 | for(;;) { | |
| 20 | line[0] = 0; | |
| 21 | printf("\n\nls: "); | |
| 22 | gets(line); | |
| 23 | /* scan to end of line */ | |
| 24 | for(ptr=line; *ptr; ptr++) | |
| 25 | ; | |
| 26 | /* check to see if a file was specified */ | |
| 27 | if(ptr == line) { | |
| 28 | printf("usage: dev(unit,0)/directory\n"); | |
| 29 | continue; | |
| 30 | } | |
| 31 | /* do one correction first so the raw dev is not opened */ | |
| 32 | if(*(--ptr) == ')') { | |
| 33 | *(++ptr) = '/'; | |
| 34 | *(++ptr) = '.'; | |
| 35 | *(++ptr) = (char)0; | |
| 36 | } | |
| 37 | if(*ptr == '/') { | |
| 38 | *(++ptr) = '.'; | |
| 39 | *(++ptr) = (char)0; | |
| 40 | } | |
| 41 | if((io = open(line, 0)) >= 0) | |
| 42 | break; | |
| 43 | } | |
| 44 | if((io >= NFILES+3) || (io < 3)) | |
| 45 | _stop("open returned corrupt file index!"); | |
| 46 | ip = &iob[io-3].i_ino; | |
| 47 | if ((ip->i_mode & IFMT) != IFDIR) { | |
| 48 | printf("%s is not a directory!\n", line); | |
| 49 | _stop(""); | |
| 50 | } | |
| 51 | if (ip->i_size == 0) { | |
| 52 | printf("%s is a zero length directory!\n", line); | |
| 53 | _stop(""); | |
| 54 | } | |
| 55 | ||
| 56 | ls(io); | |
| 57 | } | |
| 58 | ||
| 59 | ls(io) | |
| 60 | register io; | |
| 61 | { | |
| 62 | ||
| 63 | register int i, size; | |
| 64 | register char *dp; | |
| 65 | static char dirbuf[DIRBLKSIZ]; | |
| 66 | ||
| 67 | printf ("\nInode -> Name\n"); | |
| 68 | while ((size = read(io, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) { | |
| 69 | for(dp = dirbuf; (dp < (dirbuf + size)) && | |
| 70 | (dp + ((struct direct *)dp)->d_reclen) < (dirbuf + size); | |
| 71 | dp += ((struct direct *)dp)->d_reclen) { | |
| 72 | if(((struct direct *)dp)->d_ino == 0) | |
| 73 | continue; | |
| 74 | if(((struct direct *)dp)->d_reclen > | |
| 75 | DIRSIZ(((struct direct *)dp))) | |
| 76 | continue; | |
| 77 | if(((struct direct *)dp)->d_namlen > MAXNAMLEN+1) | |
| 78 | _stop("Corrupt file name length! Run fsck soon!\n"); | |
| 79 | printf("%s -> %d\n", ((struct direct *)dp)->d_name, | |
| 80 | ((struct direct *)dp)->d_ino); | |
| 81 | } | |
| 82 | } | |
| 83 | } |