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167 Commits

Author SHA1 Message Date
Christian Göttsche eb260af6bf Fix memory leak on cgroup read failure 2020-09-21 13:55:29 +02:00
Christian Göttsche e719a85994 Mark noreturn functions 2020-09-18 12:28:40 +02:00
Christian Göttsche c3952e7c20 Use strict function prototypes 
int foo(); declares a function taking any number of arguments.
 2020-09-18 12:28:40 +02:00
Christian Göttsche 5d4061732f Allow third party sigsegv handler 
For example from sanitizers.
 2020-09-17 21:54:21 +02:00
Christian Göttsche 00665e2a2b Avoid unsigned integer overflow 
unsigned overflow is well defined, but creates noise when using
sanitizers. unsigned overflow can be a symptom of logic issues of
counter, so its reasonable to use.

linux/LinuxProcessList.c:64:50: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:50 in
linux/LinuxProcessList.c:64:11: runtime error: implicit conversion from type 'unsigned int' of value 4294967295 (32-bit, unsigned) to type 'int' changed the value to -1 (32-bit, signed)
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:11 in
linux/LinuxProcessList.c:64:78: runtime error: unsigned integer overflow: 4 - 136 cannot be represented in type 'unsigned int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior linux/LinuxProcessList.c:64:78 in
 2020-09-17 21:53:31 +02:00
Christian Göttsche 98ee833932 Add Linux process column for context switches 
Displays the incremental sum of voluntary_ctxt_switches and nonvoluntary_ctxt_switches.
 2020-09-17 21:53:15 +02:00
Christian Göttsche 37921382f4 Use PROCDIR throughout instead of /proc on Linux 2020-09-17 21:44:27 +02:00
Christian Göttsche b096fdbfc0 Avoid potential buffer overflow in LinuxProcessList_readStatFile 
Pass size of allocated command buffer and limit write.
 2020-09-17 21:43:53 +02:00
Christian Göttsche d5eb72e64d Drop always true condition 
`env` is allocated by checked allocation functions and can not be NULL.

This checks confuses clang analyzer and causes a null-dereference
warning on `env[size-1]`.
 2020-09-12 18:14:39 +02:00
Nathan Scott 4597332959 Switch variable/field naming from WhiteList to MatchList 2020-09-09 19:38:15 +10:00
Nathan Scott c5808c56db Consolidate repeated macro definitions into one header 
The MIN, MAX, CLAMP, MINIMUM, and MAXIMUM macros appear
throughout the codebase with many re-definitions.  Make
a single copy of each in a common header file, and use
the BSD variants of MINIMUM/MAXIMUM due to conflicts in
the system <sys/param.h> headers.
 2020-09-09 16:56:04 +10:00
Nathan Scott 8ec5d4a3a0 Further, minor cleanups to headers post-MakeHeaders 
Remove leftover empty ifdef/endif pairs, whitespace.
The generated htop.h file was also unused - removed.
 2020-09-08 17:33:50 +10:00
Zev Weiss 7b7822b896 Remove superfluous 'extern's from function declarations. 
Applied via:

  $ find * -name '*.h' -exec sed -i -r 's/^extern (.+\()/\1/;' {} +

Suggested-by: Bert Wesarg <bert.wesarg@googlemail.com>
 2020-09-03 11:59:26 -05:00
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
Christian Göttsche e7f6d1ce5f Reduce oom cast from long to int 
Oom values should never be greater then INT_MAX, they should be in the
range 0 - 1000.

Improves: d9a5dd4b91
 2020-08-31 11:55:53 +02:00
Nathan Scott 47a7d0bd74 Merge branch 'configure' of https://github.com/cgzones/htop into cgzones-configure 2020-08-31 17:13:37 +10:00
Nathan Scott b321177b08 Merge branch 'master' of github.com:htop-dev/htop 2020-08-31 16:57:46 +10:00
Christian Göttsche 5c99c6e942 Check btime sscanf parse from /proc/stat 
Found by Coverity
 2020-08-28 16:46:50 +02:00
Christian Göttsche a850d81bf5 Avoid use of uninitialized variables 
Found by Coverity
 2020-08-28 16:46:50 +02:00
Christian Göttsche 05a5fdc47f Ignore sscanf return value of /proc/stat 
Found by Coverity
 2020-08-28 16:46:50 +02:00
Christian Göttsche af84d3dfa9 Fail on out-of-range CPU number 
Found by Coverity
 2020-08-28 16:46:50 +02:00
Christian Göttsche d9a5dd4b91 Improve OOM output 
* Fix sort by adding cast
* Shrink column size to 4
* Drop unnecessary maximum field width specifier in sscanf
 2020-08-28 14:24:59 +02:00
Christian Göttsche a48ce9d103 Really tell gcc to ignore return value of fscanf 2020-08-28 13:10:41 +02:00
Nathan Scott b992d52bcf Increae the size of sysfs power supply path buffers 
Resolves https://github.com/htop-dev/htop/issues/15
 2020-08-28 16:57:21 +10:00
Christian Göttsche 4e2b9f0965 Avoid shadowing warnings 2020-08-25 12:01:56 +02:00
Christian Göttsche 6b11769448 Avoid conversion warning 
linux/Platform.c:47:90: error: implicit conversion from ‘enum LinuxProcessFields’ to ‘enum ProcessFields’ [-Werror=enum-conversion]
       47 | ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, M_SHARE, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
          |
 2020-08-25 11:59:53 +02:00
Nathan Scott 6900e57efd Updates to project URLs in docs and embedded in source code 2020-08-22 15:47:11 +10:00
Nathan Scott 5dad65ac2a Update header files to match whitespace changes in source files 2020-08-22 15:46:31 +10:00
Christian Göttsche b92f62f912 Remove trailing whitespaces 2020-08-21 10:37:33 +02:00
Christian Göttsche 3856bf574b Introduce xAsprintf as checked version of asprintf 2020-08-21 10:37:29 +02:00
Nathan Scott 9a55efc8b5 Merge branch 'hishamhm-pull-920' 2020-08-20 18:24:35 +10:00
Nathan Scott 31391b206c Merge branch 'hishamhm-pull-1012' 2020-08-20 15:51:21 +10:00
Nathan Scott fed14a584d Merge branch 'hishamhm-pull-970' 2020-08-20 15:33:30 +10:00
Nathan Scott 6b443c5da9 Merge branch 'hishamhm-pull-932' 2020-08-20 14:47:07 +10:00
Nathan Scott a82fd262d7 Merge branch 'hishamhm-pull-960' 2020-08-20 14:19:53 +10:00
Nathan Scott cdff8aea2a Merge branch 'hishamhm-pull-946' 2020-08-20 14:13:07 +10:00
Nathan Scott 0f76359e4e Merge branch 'hishamhm-pull-890' 2020-08-20 14:01:47 +10:00
Nathan Scott 2be0992700 Merge branch 'hishamhm-pull-890' 2020-08-20 14:00:13 +10:00
Nathan Scott 45ae6191c1 Merge branch 'hishamhm-pull-866' 2020-08-20 12:29:25 +10:00
Nathan Scott e7d2f9383a Merge branch 'hishamhm-pull-857' 2020-08-20 09:47:13 +10:00
Nathan Scott 500fb283e9 Resolve compiler warnings and errors relating to the Arg union 
Promote the Arg union to a core data type in Object.c such
that it is visible everywhere (many source files need it),
and correct declarations of several functions that use it.

The Process_sendSignal function is also corrected to have
the expected return type (bool, not void) - an error being
masked by ignoring this not-quite-harmless warning.  I've
also added error checking to the kill(2) call here, which
was previously overlooked / missing (?).
 2020-08-20 09:35:33 +10:00
Nathan Scott eef6bc447d Correction to smaps buffer size passed to smaps path snprintf 2020-08-19 17:50:43 +10:00
Nathan Scott f9625cacf0 Merge branch 'hishamhm-pull-843' 2020-08-19 17:47:38 +10:00
Nathan Scott 7ac1c709b7 Re-generate all headers with latest scripts/MakeHeader.py 
Sync-up missing extern declarations for many functions.
 2020-08-18 17:41:49 +10:00
Nathan Scott 579995c7c2 Merge branch 'hishamhm-pull-842' 2020-08-18 17:35:56 +10:00
Nathan Scott dfd9279f87 Resolve complation issues with -fno-common (default from gcc-10) 
Extends the MakeHeader script to auto-generate correct "extern"
function declarations in some cases that it currently does not.

Related to https://github.com/hishamhm/htop/pull/981
 2020-07-10 10:35:32 +10:00
Christoph Budziszewski 7fdd8d3732 adding support for more than 2 smaller cpumeter columns 2020-06-11 23:21:52 +02:00
Jure Oder 88c9ebb8f7 Properly identify zombie processes 
This closes issue #930.
 2019-12-14 11:47:03 +01:00
Daniel Flanagan dd33444f7e Clean up existing whitespace 2019-10-31 11:39:12 -05:00
smattie 1886117c72 Linux: fixes sysfs battery discovery 2019-09-07 15:21:04 +01:00