projects / unix-history / blame
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1 | /* |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 6 | * provided that the above copyright notice and this paragraph are | |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef lint | |
| 19341997 | 19 | static char sccsid[] = "@(#)ls.c 5.3 (Berkeley) %G%"; |
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20 | #endif /* not lint */ |
| 21 | ||
| 22 | #include <sys/param.h> | |
| 23 | #include <sys/stat.h> | |
| 24 | #include <tzfile.h> | |
| 25 | #include <utmp.h> | |
| 26 | #include <stdio.h> | |
| 27 | ||
| 28 | /* Derived from the print routines in the ls(1) source code. */ | |
| 29 | ||
| 30 | extern int errno; | |
| 31 | ||
| 32 | void | |
| 33 | printlong(name, accpath, sb) | |
| 34 | char *name; /* filename to print */ | |
| 35 | char *accpath; /* current valid path to filename */ | |
| 36 | struct stat *sb; /* stat buffer */ | |
| 37 | { | |
| 731250ce | 38 | extern int errno; |
| 19341997 | 39 | char modep[15], *user_from_uid(), *group_from_gid(), *strerror(); |
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40 | |
| 41 | (void)printf("%6lu %4ld ", sb->st_ino, sb->st_blocks); | |
| 19341997 | 42 | (void)strmode(sb->st_mode, modep); |
| 731250ce | 43 | (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, |
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44 | user_from_uid(sb->st_uid, 0), UT_NAMESIZE, |
| 45 | group_from_gid(sb->st_gid, 0)); | |
| 46 | ||
| 47 | if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) | |
| 48 | (void)printf("%3d, %3d ", major(sb->st_rdev), | |
| 49 | minor(sb->st_rdev)); | |
| 50 | else | |
| 51 | (void)printf("%8ld ", sb->st_size); | |
| 52 | printtime(sb->st_mtime); | |
| 53 | (void)printf("%s", name); | |
| 54 | if (S_ISLNK(sb->st_mode)) | |
| 55 | printlink(accpath); | |
| 56 | (void)putchar('\n'); | |
| 57 | } | |
| 58 | ||
| 59 | printtime(ftime) | |
| 60 | time_t ftime; | |
| 61 | { | |
| 62 | int i; | |
| 63 | char *longstring, *ctime(); | |
| 64 | time_t time(); | |
| 65 | ||
| 66 | longstring = ctime((long *)&ftime); | |
| 67 | for (i = 4; i < 11; ++i) | |
| 68 | (void)putchar(longstring[i]); | |
| 69 | ||
| 70 | #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) | |
| 71 | if (ftime + SIXMONTHS > time((time_t *)NULL)) | |
| 72 | for (i = 11; i < 16; ++i) | |
| 73 | (void)putchar(longstring[i]); | |
| 74 | else { | |
| 75 | (void)putchar(' '); | |
| 76 | for (i = 20; i < 24; ++i) | |
| 77 | (void)putchar(longstring[i]); | |
| 78 | } | |
| 79 | (void)putchar(' '); | |
| 80 | } | |
| 81 | ||
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82 | printlink(name) |
| 83 | char *name; | |
| 84 | { | |
| 85 | int lnklen; | |
| 86 | char path[MAXPATHLEN + 1], *strerror(); | |
| 87 | ||
| 88 | if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { | |
| 89 | (void)fprintf(stderr, "\nfind: %s: %s\n", name, strerror(errno)); | |
| 90 | return; | |
| 91 | } | |
| 92 | path[lnklen] = '\0'; | |
| 93 | (void)printf(" -> %s", path); | |
| 94 | } |