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htop - an interactive process viewer
929 Commits 1 Branch 38 Tags 5.9 MiB
C 93%
Roff 2.3%
M4 2.3%
Lua 1.5%
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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
darwin Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
freebsd Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
linux Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
openbsd Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
scripts Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
unsupported Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
.editorconfig add editorconfig file to give hints to editors 2015-10-05 11:13:17 +02:00
.gitignore remove autoconf files, generate by autogen.sh 2015-07-15 09:30:38 +02:00
.travis.yml travis-ci should really detect autogen.sh... 2015-11-19 13:14:20 -02:00
AUTHORS Initial import. 2006-03-04 18:16:49 +00:00
Action.c Auto-follow process after a search. 2016-05-05 10:30:06 -03:00
Action.h Auto-follow process after a search. 2016-05-05 10:30:06 -03:00
Affinity.c Portable affinity using hwloc 2016-02-14 19:57:29 -02:00
Affinity.h Portable affinity using hwloc 2016-02-14 19:57:29 -02:00
AffinityPanel.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
AffinityPanel.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
AvailableColumnsPanel.c Do not trust isalpha(c) for values > 255. 2015-03-23 18:14:35 -03:00
AvailableColumnsPanel.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
AvailableMetersPanel.c Assert (Platform_meterTypes[0]==&CPUMeter_class) 2016-03-19 15:01:13 +08:00
AvailableMetersPanel.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
BatteryMeter.c Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
BatteryMeter.h Move platform-dependent parts of Linux battery meter. 2014-11-27 21:04:57 -02:00
COPYING Resolve license incompatibility issues, 2010-02-24 21:13:45 +00:00
CPUMeter.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
CPUMeter.h Calculate CPU averages on Darwin (See #295). 2015-10-23 13:46:21 -02:00
CRT.c Handle SIGQUIT. Closes #503. 2016-05-30 15:06:22 -03:00
CRT.h Avoid overlapping key values defined by curses (Real fix). 2016-03-09 10:16:34 +08:00
CategoriesPanel.c Added Ctrl+A and Ctrl+E to go to beginning and end of line. 2016-06-15 12:45:23 -03:00
CategoriesPanel.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
ChangeLog Changelog for htop 2.0.2 2016-07-21 17:12:45 -03:00
CheckItem.c Avoid future confusions with how default values are set. 2015-08-12 17:29:32 -03:00
CheckItem.h Avoid future confusions with how default values are set. 2015-08-12 17:29:32 -03:00
ClockMeter.c Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
ClockMeter.h 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
ColorsPanel.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
ColorsPanel.h Make the implementation of color schemes declarative. 2015-02-03 22:30:05 +01:00
ColumnsPanel.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
ColumnsPanel.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
DisplayOptionsPanel.c Try to make threads less confusing. 2016-02-02 16:39:08 +01:00
DisplayOptionsPanel.h 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
EnvScreen.c Silence warnings about seteuid return value. 2016-05-25 21:37:07 -03:00
EnvScreen.h refactor *Screen classes, add InfoScreen superclass 2016-01-12 06:00:58 -02:00
FunctionBar.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
FunctionBar.h Simplify constructors. 2015-03-23 19:24:34 -03:00
Hashtable.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
Hashtable.h major header cleanup 2011-12-26 21:35:57 +00:00
Header.c Fix macro Header_forEachColumn 2016-05-07 14:57:51 +08:00
Header.h Fix macro Header_forEachColumn 2016-05-07 14:57:51 +08:00
HostnameMeter.c Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
HostnameMeter.h 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
INSTALL Update INSTALL text from autoconf-2.69 2016-05-08 14:35:20 +08:00
IncSet.c Auto-follow process after a search. 2016-05-05 10:30:06 -03:00
IncSet.h Auto-follow process after a search. 2016-05-05 10:30:06 -03:00
InfoScreen.c Refresh whole panel on Ctrl+L in infoscreen. 2016-06-23 13:25:58 -03:00
InfoScreen.h refactor *Screen classes, add InfoScreen superclass 2016-01-12 06:00:58 -02:00
ListItem.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
ListItem.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
LoadAverageMeter.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
LoadAverageMeter.h 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
MainPanel.c 'Follow' only if element is found in search 2016-07-28 11:37:44 -03:00
MainPanel.h Make sure a pointer fits in the argument! 2016-05-25 16:46:47 -03:00
Makefile.am Force -lgcov harder when running `make coverage`. 2016-02-19 13:40:21 -02:00
MemoryMeter.c Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
MemoryMeter.h 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
Meter.c Let BarMeterMode_characters[] be const array. 2016-07-22 14:58:29 +08:00
Meter.h Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
MetersPanel.c Fixes #498. 2016-05-25 21:29:06 -03:00
MetersPanel.h Improve feedback when moving meters. 2015-08-27 19:14:13 -03:00
NEWS cleanup old stuff 2011-11-21 02:58:34 +00:00
Object.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
Object.h Check for failure in allocations. 2016-02-02 15:53:02 +01:00
OpenFilesScreen.c Interpret TTY_NR column on Linux, 2016-10-01 03:09:04 -03:00
OpenFilesScreen.h refactor *Screen classes, add InfoScreen superclass 2016-01-12 06:00:58 -02:00
Panel.c Fix scrolling behavior change caused by 759caf0f 2016-08-07 07:49:37 +08:00
Panel.h Added Ctrl+A and Ctrl+E to go to beginning and end of line. 2016-06-15 12:45:23 -03:00
Process.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
Process.h Silence cast warning. 2016-05-30 12:22:07 -03:00
ProcessList.c Release resource when using hwloc 2016-02-29 21:57:27 -03:00
ProcessList.h Portable affinity using hwloc 2016-02-14 19:57:29 -02:00
README Point users to the official release tarballs. 2016-08-23 15:43:27 -03:00
README.md Add README.md for Github 2014-02-03 09:11:39 -02:00
RichString.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
RichString.h Introduce CLAMP macro. Unify all MIN(MAX(a,b),c) uses. 2016-01-15 20:26:01 +08:00
ScreenManager.c Added Ctrl+A and Ctrl+E to go to beginning and end of line. 2016-06-15 12:45:23 -03:00
ScreenManager.h Move FunctionBar inside Panel 2015-03-23 15:26:56 -03:00
Settings.c Dynamically adjust the size of line reads 2016-06-19 18:55:35 -03:00
Settings.h Merge pull request #148 from nckx/display-basename 2015-08-12 17:16:50 -03:00
SignalsPanel.c Protect against strange values of SIGRTMIN and SIGRTMAX, 2016-09-16 13:37:07 -03:00
SignalsPanel.h 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
StringUtils.c free(NULL) is a valid no-op, so let's make String_freeArray(NULL) valid too. 2016-08-24 18:12:35 -03:00
StringUtils.h Optimize Strings_startWith() 2016-08-11 10:49:35 +08:00
SwapMeter.c Rename Meter.setValues() functions to updateValues() 2016-05-04 13:39:26 +08:00
SwapMeter.h use dynamic units for text display 2015-08-27 06:13:27 +02:00
TESTPLAN Fix failing stuff. 2015-04-09 15:56:43 -03:00
TasksMeter.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
TasksMeter.h 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
TraceScreen.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
TraceScreen.h refactor *Screen classes, add InfoScreen superclass 2016-01-12 06:00:58 -02:00
UptimeMeter.c Replace all uses of sprintf with snprintf 2016-12-29 19:42:41 +01:00
UptimeMeter.h Move UptimeMeter back into cross-platform code. 2014-11-27 19:34:47 -02:00
UsersTable.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
UsersTable.h major header cleanup 2011-12-26 21:35:57 +00:00
Vector.c Check for failure in allocations. 2016-02-02 15:53:02 +01:00
Vector.h 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
XAlloc.c Fix xStrdup debug build failure & allow Clang to use ((nonnull)) 2016-06-03 10:14:27 +08:00
XAlloc.h Fix xStrdup debug build failure & allow Clang to use ((nonnull)) 2016-06-03 10:14:27 +08:00
autogen.sh Simplify autogen.sh 2016-02-14 22:36:40 +01:00
configure.ac Downgrade requirement to Libtool 2.4.0. 2016-09-11 23:28:17 -03:00
htop.1.in Use "-" as the Ctrl and Alt joiner. 2016-06-17 22:14:07 -03:00
htop.c Remove old commented code. 2016-02-19 13:39:38 -02:00
htop.desktop Add Keywords entry to .desktop file (Debian Lintian warning desktop-entry-lacks-keywords-entry) 2016-04-19 19:06:03 +02:00
htop.h Sorry about the mega-patch. 2015-01-21 23:27:31 -02:00
htop.png Updated icon! 2014-04-09 14:47:58 -03:00
test_spec.lua Fix typos, by @Gelma. 2016-08-30 12:37:31 -03:00

README.md

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htop

by Hisham Muhammad hisham@gobolinux.org (2004 - 2016)

Introduction

This is htop, an interactive process viewer. It requires ncurses. It is developed primarily on Linux, but we also have code for running under FreeBSD and Mac OS X (help and testing are wanted for these platforms!)

This software has evolved considerably over the years, and is reasonably complete, but there is always room for improvement.

Comparison between htop and classic top

  • In htop you can scroll the list vertically and horizontally to see all processes and full command lines.
  • In top you are subject to a delay for each unassigned key you press (especially annoying when multi-key escape sequences are triggered by accident).
  • htop starts faster (top seems to collect data for a while before displaying anything).
  • In htop you don't need to type the process number to kill a process, in top you do.
  • In htop you don't need to type the process number or the priority value to renice a process, in top you do.
  • In htop you can kill multiple processes at once.
  • top is older, hence, more tested.

Compilation instructions

This program is distributed as a standard autotools-based package. See the INSTALL file for detailed instructions.

When compiling from a release tarball, run:

./configure && make

For compiling sources downloaded from the Git repository, run:

./autogen.sh && ./configure && make

By default make install will install into /usr/local, for changing the path use ./configure --prefix=/some/path.

See the manual page (man htop) or the on-line help ('F1' or 'h' inside htop) for a list of supported key commands.

If not all keys work check your curses configuration.

License

GNU General Public License, version 2 (GPL-2.0)