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36 Commits

Author SHA1 Message Date
FRIGN 9292ae2e16 Small code cleanup in tail(1) 2015-02-09 18:46:47 +01:00
FRIGN 006c9739b3 Add c-flag to tail(1) and refactor manpage 
and mark it as finished in README.
 2015-02-09 18:38:41 +01:00
sin 989127e525 tail: Skip leading spaces in tail -n " +20" 2015-02-09 16:10:00 +00:00
sin fe3fc41838 tail: Fix tail -n -val to handle leading spaces 
Previously 'tail -n "    -20" foo' was broken, now it works.
 2015-02-09 16:05:55 +00:00
sin f802a544e7 tail: Handle tail -n -val properly 2015-02-09 15:52:31 +00:00
sin 124cb7415a tail: Ignore anything other than FIFOs and regular files for -f 2015-02-09 15:03:35 +00:00
sin a25a57f6ac tail: Add rudimentary support to detect file truncation 
We cannot in general detect that truncation happened.  At the moment
we use a heuristic to compare the file size before and after a write
happened.  If the new file size is smaller than the old, we correctly
handle truncation and dump the entire file to stdout.

If it so happened that the new size is larger or equal to the old size
after the file had been truncated without any reads in between, we will
assume the data was appended to the file.

There is no known way around this other than using inotify or kevent
which is outside the scope of sbase.
 2015-02-09 14:47:35 +00:00
FRIGN ff7093f7b3 An additional size_t-fix in tail(1) 2015-02-09 15:47:08 +01:00
FRIGN 78f33ff069 Convert tail(1) to use size_t 2015-02-09 15:30:23 +01:00
sin 080a1ee833 No need to free the buffer for every call to getline() 
It will realloc as necessary if the new line size exceeds the
capacity of the allocated buffer.
 2015-02-09 14:11:06 +00:00
FRIGN 2a83c2c8be Add f-flag to tail(1) and refactor code 2015-02-09 15:06:17 +01:00
sin b66c44b24e ARGNUMF() only works on base 10 as it uses strtonum underneath 2015-01-30 16:45:44 +00:00
FRIGN fd562481f3 Convert estrto{l, ul} to estrtonum 
Enough with this insanity!
 2015-01-30 16:52:44 +01:00
sin d221e5ea5b Print header in tail(1) 2014-11-20 23:09:42 +00:00
sin 821a980ab4 Respect exit status in tail(1) 
There are more instances of this problem.
 2014-11-20 22:52:13 +00:00
Evan Gates 84b08427a1 remove agetline 2014-11-18 21:05:28 +00:00
FRIGN e17b9cdd0a Convert codebase to use emalloc.c utility-functions 
This also definitely increases readability and makes OOM-conditions
more consistent.
 2014-11-16 10:22:39 +00:00
FRIGN eee98ed3a4 Fix coding style 
It was about damn time. Consistency is very important in such a
big codebase.
 2014-11-13 18:08:43 +00:00
sin 0c5b7b9155 Stop using EXIT_{SUCCESS,FAILURE} 2014-10-02 23:46:59 +01:00
Wolfgang Corcoran-Mathe 7a6af2faba Fix typo breaking functionality in tail 2014-09-17 10:06:12 +01:00
Hiltjo Posthuma fab4b384e7 use agetline instead of agets 
also use agetline where fgets with a static buffer was used previously.

Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
 2014-06-01 18:03:10 +01:00
Hiltjo Posthuma 953ebf3573 code style 
Signed-off-by: Hiltjo Posthuma <hiltjo@codemadness.org>
 2014-06-01 18:02:30 +01:00
sin b8edf3b4ee Add weprintf() and replace fprintf(stderr, ...) calls 
There is still some programs left to be updated for this.

Many of these programs would stop on the first file that they
could not open.
 2013-11-13 11:41:43 +00:00
sin cfe5e9ef3a Support tail-ing multiple files 2013-11-12 10:47:22 +00:00
dsp 3f9e501f6b Add ARGNUM and ARGNUMF(base) 
This is useful to support the obsolete syntax -NUM for tools like
head, tail and fold.
 2013-11-12 10:17:52 +00:00
sin b5a511dacf Exit with EXIT_SUCCESS/EXIT_FAILURE instead of 0 and 1 
Fixed for consistency purposes.
 2013-10-07 16:44:22 +01:00
sin 7d4d519a51 Fix segfault in tail(1) 
We should not be looking at optarg, that's uninitialized.  We
are not using getopt.
 2013-09-29 16:58:19 +01:00
stateless 7216a53a7e Remove unnecessary exit(1) in usage() 
Signed-off-by: Christoph Lohmann <20h@r-36.net>
 2013-06-19 19:58:19 +02:00
Christoph Lohmann 4d38f60685 Eliminating the getopt disgrace. 2013-06-14 20:20:47 +02:00
Connor Lane Smith 954106050f rename estrtol 2011-06-10 14:55:01 +01:00
Connor Lane Smith 61247e3595 tail: gcc whines 2011-06-10 14:51:53 +01:00
Connor Lane Smith 7c251bcd4f refactor strnum 2011-06-10 05:41:40 +01:00
Connor Lane Smith 73c2898e91 typo 2011-05-27 11:13:38 +01:00
Connor Lane Smith ad442060b8 tail cleanup 2011-05-26 16:29:22 -01:00
Connor Lane Smith a2be57eca8 tail: free rings 2011-05-26 16:24:56 -01:00
Connor Lane Smith bf9626d408 add tail 2011-05-26 16:18:42 -01:00