diff options
Diffstat (limited to 'coreutils/tail.c')
-rw-r--r-- | coreutils/tail.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c index 57ad0f3b7..99f58ddd8 100644 --- a/coreutils/tail.c +++ b/coreutils/tail.c | |||
@@ -6,11 +6,6 @@ | |||
6 | * | 6 | * |
7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. | 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
8 | */ | 8 | */ |
9 | |||
10 | /* BB_AUDIT SUSv3 compliant (need fancy for -c) */ | ||
11 | /* BB_AUDIT GNU compatible -c, -q, and -v options in 'fancy' configuration. */ | ||
12 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/tail.html */ | ||
13 | |||
14 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) | 9 | /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) |
15 | * | 10 | * |
16 | * Pretty much rewritten to fix numerous bugs and reduce realloc() calls. | 11 | * Pretty much rewritten to fix numerous bugs and reduce realloc() calls. |
@@ -23,9 +18,34 @@ | |||
23 | * 6) no check for lseek error | 18 | * 6) no check for lseek error |
24 | * 7) lseek attempted when count==0 even if arg was +0 (from top) | 19 | * 7) lseek attempted when count==0 even if arg was +0 (from top) |
25 | */ | 20 | */ |
21 | //config:config TAIL | ||
22 | //config: bool "tail" | ||
23 | //config: default y | ||
24 | //config: help | ||
25 | //config: tail is used to print the last specified number of lines | ||
26 | //config: from files. | ||
27 | //config: | ||
28 | //config:config FEATURE_FANCY_TAIL | ||
29 | //config: bool "Enable extra tail options (-q, -s, -v, and -F)" | ||
30 | //config: default y | ||
31 | //config: depends on TAIL | ||
32 | //config: help | ||
33 | //config: The options (-q, -s, -v and -F) are provided by GNU tail, but | ||
34 | //config: are not specific in the SUSv3 standard. | ||
35 | //config: | ||
36 | //config: -q Never output headers giving file names | ||
37 | //config: -s SEC Wait SEC seconds between reads with -f | ||
38 | //config: -v Always output headers giving file names | ||
39 | //config: -F Same as -f, but keep retrying | ||
40 | |||
41 | //applet:IF_TAIL(APPLET(tail, BB_DIR_USR_BIN, BB_SUID_DROP)) | ||
26 | 42 | ||
27 | //kbuild:lib-$(CONFIG_TAIL) += tail.o | 43 | //kbuild:lib-$(CONFIG_TAIL) += tail.o |
28 | 44 | ||
45 | /* BB_AUDIT SUSv3 compliant (need fancy for -c) */ | ||
46 | /* BB_AUDIT GNU compatible -c, -q, and -v options in 'fancy' configuration. */ | ||
47 | /* http://www.opengroup.org/onlinepubs/007904975/utilities/tail.html */ | ||
48 | |||
29 | //usage:#define tail_trivial_usage | 49 | //usage:#define tail_trivial_usage |
30 | //usage: "[OPTIONS] [FILE]..." | 50 | //usage: "[OPTIONS] [FILE]..." |
31 | //usage:#define tail_full_usage "\n\n" | 51 | //usage:#define tail_full_usage "\n\n" |