projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 9056e8e0 | 1 | /*- |
| 80409bdc KB |
2 | * Copyright (c) 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 9056e8e0 KM |
4 | * |
| 5 | * %sccs.include.redist.c% | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef lint | |
| 80409bdc KB |
9 | static char copyright[] = |
| 10 | "@(#) Copyright (c) 1993\n\ | |
| 11 | The Regents of the University of California. All rights reserved.\n"; | |
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12 | #endif /* not lint */ |
| 13 | ||
| 14 | #ifndef lint | |
| 80409bdc | 15 | static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) %G%"; |
| 9056e8e0 KM |
16 | #endif /* not lint */ |
| 17 | ||
| 18 | #include <sys/param.h> | |
| 19 | #include <ufs/ufs/dir.h> | |
| 20 | #include <sys/ttychars.h> | |
| 21 | #include <stand/stand.h> | |
| 22 | ||
| 23 | main() | |
| 24 | { | |
| 25 | struct dinode *ip; | |
| 26 | int fd; | |
| 27 | ||
| 28 | for (;;) { | |
| 29 | if ((fd = getfile("ls", 0)) == -1) | |
| 30 | exit(); | |
| 31 | ip = &iob[fd - 3].i_ino; | |
| 32 | if ((ip->di_mode & IFMT) != IFDIR) { | |
| 33 | printf("ls: not a directory\n"); | |
| 34 | continue; | |
| 35 | } | |
| 36 | if (ip->di_size == 0) { | |
| 37 | printf("ls: zero length directory\n"); | |
| 38 | continue; | |
| 39 | } | |
| 40 | ls(fd); | |
| 41 | } | |
| 42 | } | |
| 43 | ||
| 44 | #define CTRL(x) (x&037) | |
| 45 | ||
| 46 | getfile(prompt, mode) | |
| 47 | char *prompt; | |
| 48 | int mode; | |
| 49 | { | |
| 50 | int fd; | |
| 51 | char buf[100]; | |
| 52 | ||
| 53 | do { | |
| 54 | printf("%s: ", prompt); | |
| 55 | gets(buf); | |
| 56 | if (buf[0] == CTRL('d') && buf[1] == 0) | |
| 57 | return (-1); | |
| 58 | } while ((fd = open(buf, mode)) < 0); | |
| 59 | return(fd); | |
| 60 | } | |
| 61 | ||
| 62 | typedef struct direct DP; | |
| 63 | static | |
| 64 | ls(fd) | |
| 65 | register int fd; | |
| 66 | { | |
| 67 | register int size; | |
| 68 | register char *dp; | |
| 69 | char dirbuf[DIRBLKSIZ]; | |
| 70 | ||
| 71 | printf("\ninode\tname\n"); | |
| 72 | while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) | |
| 73 | for (dp = dirbuf; (dp < (dirbuf + size)) && | |
| 74 | (dp + ((DP *)dp)->d_reclen) < (dirbuf + size); | |
| 75 | dp += ((DP *)dp)->d_reclen) { | |
| 76 | if (((DP *)dp)->d_ino == 0) | |
| 77 | continue; | |
| 78 | if (((DP *)dp)->d_namlen > MAXNAMLEN+1) { | |
| 79 | printf("Corrupt file name length! Run fsck soon!\n"); | |
| 80 | return; | |
| 81 | } | |
| 82 | printf("%d\t%s\n", ((DP *)dp)->d_ino, | |
| 83 | ((DP *)dp)->d_name); | |
| 84 | } | |
| 85 | } |