cppcheck man page on DragonFly
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CPPCHECK(1) cppcheck User Manual CPPCHECK(1)
NAME
cppcheck - Tool for static C/C++ code analysis
SYNOPSIS
cppcheck [--append=<file>] [--check-config] [--check-library] [-D<id>]
[-U<id>] [--enable=<id>] [--error-exitcode=<n>] [--errorlist]
[--exitcode-suppressions=<file>] [--file-list=<file>]
[--force] [--help] [-I<dir>] [--includes-file=<file>]
[--config-exclude=<dir>] [--config-excludes-file=<file>]
[--include=<file>] [-i<dir>] [--inconclusive] [--inline-suppr]
[-j<jobs>] [-l<load>] [--language=<language>]
[--library=<cfg>] [--max-configs=<limit>] [--platform=<type>]
[--quiet] [--relative-paths=<paths>] [--report-progress]
[--rule=<rule>] [--rule-file=<file>] [--std=<id>]
[--suppress=<spec>] [--suppressions-list=<file>]
[--template='<text>'] [--verbose] [--version] [--xml]
[--xml-version=<version>]] [file or path] ...
DESCRIPTION
Cppcheck is a command-line tool that tries to detect bugs that your
C/C++ compiler doesn't see. It is versatile, and can check non-standard
code including various compiler extensions, inline assembly code, etc.
Its internal preprocessor can handle includes, macros, and several
preprocessor commands. While Cppcheck is highly configurable, you can
start using it just by giving it a path to the source code.
OPTIONS
Analyze given C/C++ files for common errors.
--append=<file>
This allows you to provide information about functions by providing
an implementation for these.
--check-config
Check Cppcheck configuration. The normal code analysis is disabled
by this flag.
--check-library
Show information messages when library files have incomplete info.
-D<id>
By default Cppcheck checks all configurations. Use -D to limit the
checking. When -D is used the checking is limited to the given
configuration. Example: -DDEBUG=1 -D__cplusplus
-U<id>
By default Cppcheck checks all configurations. Use '-U' to
explicitly hide certain #ifdef <id> code paths from checking.
Example: '-UDEBUG'
--enable=<id>
Enable additional checks. The available ids are:
all
Enable all checks. It is recommended to only use --enable=all
when the whole program is scanned, because this enables
unusedFunction.
warning
Enable warning messages
style
Enable all coding style checks. All messages with the
severities 'style', 'performance' and 'portability' are
enabled.
performance
Enable performance messages
portability
Enable portability messages
information
Enable information messages
unusedFunction
Check for unused functions. It is recommend to only enable this
when the whole program is scanned
missingInclude
Warn if there are missing includes. For detailed information
use --check-config
By default none of the additional checks are enabled. Several ids
can be given if you separate them with commas, e.g.
--enable=style,unusedFunction. See also --std
--error-exitcode=<n>
If errors are found, integer <n> is returned instead of default 0.
EXIT_FAILURE is returned if arguments are not valid or if no input
files are provided. Note that your operating system can modify this
value, e.g. 256 can become 0.
--errorlist
Print a list of all possible error messages in XML format.
--exitcode-suppressions=<file>
Used when certain messages should be displayed but should not cause
a non-zero exitcode.
--file-list=<file>
Specify the files to check in a text file. One filename per line.
When file is -, the file list will be read from standard input.
-f, --force
Force checking of files that have a lot of configurations. Error is
printed if such a file is found so there is no reason to use this
by default. If used together with --max-configs=, the last option
is the one that is effective.
-h, --help
Print help text.
-I <dir>
Give path to search for include files. Give several -I parameters
to give several paths. First given path is searched for contained
header files first. If paths are relative to source files, this is
not needed.
--includes-file=<file>
Specify directory paths to search for included header files in a
text file. Add one include path per line. First given path is
searched for contained header files first. If paths are relative to
source files, this is not needed.
--config-exclude=<dir>
Path (prefix) to be excluded from configuration checking.
Preprocessor configurations defined in headers (but not sources)
matching the prefix will not be considered for evaluation of
configuration alternatives.
--config-exclude-file=<file>
A file that contains a list of config-excludes.
--include=<file>
Force inclusion of a file before the checked file. Can be used for
example when checking the Linux kernel, where autoconf.h needs to
be included for every file compiled. Works the same way as the GCC
-include option.
-i <dir>
Give path to ignore. Give several -i parameters to ignore several
paths. Give directory name or filename with path as parameter.
Directory name is matched to all parts of the path.
--inconclusive
Allow that Cppcheck reports even though the analysis is
inconclusive. There are false positives with this option. Each
result must be carefully investigated before you know if it is good
or bad.
--inline-suppr
Enable inline suppressions. Use them by placing comments in the
form: // cppcheck-suppress memleak before the line to suppress.
-j <jobs>
Start <jobs> threads to do the checking work.
-l <load>
Specifies that no new threads should be started if there are other
threads running and the load average is at least <load> (ignored on
non UNIX-like systems)
--language=<language>
Forces cppcheck to check all files as the given language. Valid
values are: c, c++
--library=<cfg>
Use library configuration.
--max-configs=<limit>
Maximum number of configurations to check in a file before skipping
it. Default is 12. If used together with --force, the last option
is the one that is effective.
--platform=<type>
Specifies platform specific types and sizes.The available platforms
are:
unix32
32 bit unix variant
unix64
64 bit unix variant
win32A
32 bit Windows ASCII character encoding
win32W
32 bit Windows UNICODE character encoding
win64
64 bit Windows
By default the platform which was used to compile Cppcheck is used.
-q, --quiet
Only print something when there is an error.
-rp, -rp=<paths>, --relative-paths;, --relative-paths=<paths>
Use relative paths in output. When given, <paths> are used as base.
You can separate multiple paths by ';'. Otherwise path where source
files are searched is used. E.g. if given value is test, when
checking test/test.cpp, the path in output will be test.cpp instead
of test/test.cpp. The feature uses string comparison to create
relative paths, so using e.g. ~ for home folder does not work. It
is currently only possible to apply the base paths to files that
are on a lower level in the directory tree.
--report-progress
Report progress when checking a file.
--rule=<rule>
Match regular expression to create your own checks. E.g. rule "/ 0"
can be used to check division by zero. This command is only
available if cppcheck was compiled with HAVE_RULES=yes.
--rule-file=<file>
Use given rule XML file. See
https://sourceforge.net/projects/cppcheck/files/Articles/ for more
info about the syntax. This command is only available if cppcheck
was compiled with HAVE_RULES=yes.
--std=<id>
Set standard. The available options are:
posix
POSIX compatible code
c89
C code is C89 compatible
c99
C code is C99 compatible
c11
C code is C11 compatible (default)
c++03
C++ code is C++03 compatible
c++11
C++ code is C++11 compatible (default)
Example to set more than one standards: 'cppcheck --std=c99
--std=posix file.cpp'
--suppress=<spec>
Suppress a specific warning. The format of <spec> is: [error
id]:[filename]:[line]. The [filename] and [line] are optional.
[error id] may be * to suppress all warnings (for a specified file
or files). [filename] may contain the wildcard characters * or ?.
--suppressions-list=<file>
Suppress warnings listed in the file. Each suppression is in the
format of <spec> above.
--template='<text>'
Format the error messages. E.g.
'{file}:{line},{severity},{id},{message}' or
'{file}({line}):({severity}) {message}'. Pre-defined templates:
gcc, vs
-v, --verbose
More detailed error reports
--version
Print out version information
--xml
Write results in XML to error stream
--xml-version=<version>
Select the XML file version. Currently versions 1 and 2 are
available. The default version is 1.
AUTHOR
The program was written by Daniel Marjamäki and Cppcheck team. See
AUTHORS file for list of team members.
SEE ALSO
Full list of features: http://cppcheck.wiki.sourceforge.net/
AUTHOR
Reijo Tomperi <aggro80@users.sourceforge.net>
Wrote this manpage for the Debian system.
COPYRIGHT
Copyright © 2009 - 2016 Reijo Tomperi
This manual page was written for the Debian system (but may be used by
others).
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU General Public License, Version 3 or (at
your option) any later version published by the Free Software
Foundation.
On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL-3.
cppcheck 02/18/2016 CPPCHECK(1)
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