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33 Commits

Author SHA1 Message Date
Christian Göttsche fbe3a2155f UptimeMeter: treat all non-positive values as error 
Bogus uptime measurements can result in wrap-arounds, leading to
negative garbage values printed.
 2021-07-18 07:47:16 +02:00
Christian Göttsche 2d1042adb3 Save text buffer in Meter 2021-03-04 23:57:45 +01:00
Christian Göttsche e1ce141bc3 Use size_t as len type for Meter_UpdateValues 
Most of the time the parameter is passed to snprintf type functions
 2020-12-06 16:03:44 +01:00
Benny Baumann 61e14d4bb2 Spacing around operators 2020-11-02 22:15:01 +01:00
Benny Baumann 0f5262917f Make all required includes explicit 
Information as seen by IWYU 0.12 + clang 9 on Linux
 2020-10-18 20:09:05 +02:00
Benny Baumann 872e542f4e Rename StringUtils.[ch] to XUtils.[ch] 2020-10-16 20:30:21 +02:00
Benny Baumann c6f04a9c5d Move xAsprintf, xSnprintf and xStrdup to StringUtils.h 2020-10-16 20:29:45 +02:00
Christian Göttsche ba282cfe19 Mark Object instances const 2020-10-07 13:01:53 +02:00
Daniel Lange 079c2abf8e Update License consistently to GPLv2 as per COPYING file 2020-10-05 10:13:12 +02:00
Christian Göttsche 6db2d52261 Covert Meter attributes to file-local constant arrays 2020-09-29 10:44:42 +02:00
Zev Weiss a1a027b9bd Axe automated header generation. 
Reasoning:
 - implementation was unsound -- broke down when I added a fairly
   basic macro definition expanding to a struct initializer in a *.c
   file.

 - made it way too easy (e.g. via otherwise totally innocuous git
   commands) to end up with timestamps such that it always ran
   MakeHeader.py but never used its output, leading to overbuild noise
   when running what should be a null 'make'.

 - but mostly: it's just an awkward way of dealing with C code.
 2020-09-03 11:58:58 -05:00
Hisham Muhammad 09e241fb12 Security review: check results of snprintf. 
Calls marked with xSnprintf shouldn't fail.
Abort program cleanly if any of them does.
 2017-07-27 16:07:50 -03:00
Tomasz Kramkowski 2b5c1b4b13 Replace all uses of sprintf with snprintf 
In all the cases where sprintf was being used within htop, snprintf
could have been used. This patch replaces all uses of sprintf with
snprintf which makes sure that if a buffer is too small to hold the
resulting string, the string is simply cut short instead of causing
a buffer overflow which leads to undefined behaviour.

`sizeof(variable)` was used in these cases, as opposed to `sizeof
variable` which is my personal preference because `sizeof(variable)`
was already used in one way or another in other parts of the code.
 2016-12-29 19:42:41 +01:00
Explorer09 9dea20e068 Rename Meter.setValues() functions to updateValues() 
Rationale (copied from htop issue #471):
The function name "setValues" is misleading. For most OOP (object-
oriented programming) contexts, setXXX functions mean they will change
some member variables of an object into something specified in
function arguments. But in the *Meter_setValues() case, the new values
are not from the arguments, but from a hard-coded source. The caller
is not supposed to change the values[] to anything it likes, but
rather to "update" the values from the source. Hence, updateValues is
a better name for this family of functions.
 2016-05-04 13:39:26 +08:00
Explorer09 99fb3070a2 Explicit "maxItems" property of meters 
Two changes in this commit:
- All meters now explicitly specify "maxItems" property, even for just
  1 item. (Exception is "container" CPU meter classes, which use
  CUSTOM_METERMODE.)
- "maxItems" being 0 is now allowed. This will let bar meters and graph
  meters render an empty meter.
 2016-03-11 10:54:34 +08:00
Hisham Muhammad ca03094bb2 Make UptimeMeter cross-platform again. 2014-11-27 19:41:14 -02:00
Hisham Muhammad 2dcdd87658 Move UptimeMeter back into cross-platform code. 
We'll just isolate the platform-dependent bit.
 2014-11-27 19:34:47 -02:00
Hisham Muhammad 357e7a3243 Move UptimeMeter into platform-dependent area. 
Set up environment to move other meters.
 2014-11-27 19:18:14 -02:00
Hisham Muhammad c1e0f6e17c BUGFIX: Fix crash when adding meters and toggling detailed CPU time. 
See https://bugzilla.redhat.com/show_bug.cgi?id=987805 for details.
(thanks to Dawid Gajownik for the detailed analysis!)
 2014-01-16 01:40:47 -02:00
Hisham Muhammad 00b324bfc1 Changes in object model: separate class objects to store vtable. Also, nicer UTF-8 display of big numbers. 2012-12-05 15:12:20 +00:00
Hisham Muhammad 45f7a4fc8d Remove old memory debugging routines. We have Valgrind nowadays. 2011-12-26 22:04:29 +00:00
Hisham Muhammad 84281bdc44 major header cleanup 2011-12-26 21:35:57 +00:00
Hisham Muhammad d1b1cbc757 cleanups and fixes, thanks to cppcheck and gcc -Wextra 2011-10-25 00:05:46 +00:00
Hisham Muhammad 978019d34f sanity checks 2011-09-08 02:54:02 +00:00
Hisham Muhammad 300caa076e Tempus fugit. 2011-05-26 16:35:07 +00:00
Hisham Muhammad a600d5a6e9 Tempus fugit. 2010-02-25 02:08:18 +00:00
Hisham Muhammad 1e124da059 coverity fixes 2009-10-16 20:03:18 +00:00
Hisham Muhammad 385a7dbe1e simplify uptime calculation 2009-03-11 13:26:39 +00:00
Hisham Muhammad da23c8c5a1 Clean up headers by using 'static' whenever possible. 
Reduces resulting code size.
 2008-03-09 08:58:38 +00:00
Hisham Muhammad ef5b27f33a A fix for long uptimes, sent my Marc Cahalan 2006-08-30 04:37:20 +00:00
Hisham Muhammad 2f1f82ee87 Updates for new version of the MakeHeader.py script. 2006-06-06 20:41:01 +00:00
Hisham Muhammad 33113fe0d7 - Overhaul meters implementation; 
- add AllCPUsMeter;
- because of that, the new .htoprc is incompatible with previous released versions.
 2006-04-10 20:40:38 +00:00
Hisham Muhammad d6231bab89 Initial import. 2006-03-04 18:16:49 +00:00