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Man Pages


Manual Reference Pages  -  CPPI (1)

NAME

cppi - indent the C preprocessor directives in FILE to reflect their nesting

CONTENTS

Synopsis
Description
Author
Copyright

SYNOPSIS

cppi [FILE]
cppi -c [OPTION] [FILE]...

DESCRIPTION

Indent the C preprocessor directives in FILE to reflect their nesting and ensure that there is exactly one space character between each #if, #elif, #define directive and the following token, and write the result to standard output. The number of spaces between the ‘#’ and the following directive must correspond to the level of nesting of that directive. With no FILE, or when FILE is -, read standard input.
-a, --ansi when checking, fail if text follows #else or #endif
-c, --check
  set exit code, but don’t produce any output
-l, --list-files-only
  don’t generate diagnostics about indentation; print to stdout only the names of files that are not properly indented
-m, --max-string-length=LENGTH
  fail if there is a double-quoted string longer than LENGTH; if LENGTH is 0 (the default), then there is no limit
--help display this help and exit
--version
  output version information and exit
With the -c option, don’t write to stdout. Instead, check the indentation of the specified files giving diagnostics for preprocessor lines that aren’t properly indented or are otherwise invalid.

Note that --ansi without --check does not correct the problem of non-ANSI text following #else and #endif directives.

    The exit code will be one of these:

0 all directives properly indented
1 some cpp directive(s) improperly indented, or text follows #else/#endif (enabled with --check --ansi), or a double-quoted string is longer than the specified maximum
2 #if/#endif mismatch, EOF in comment or string
3 file (e.g. open/read/write) error
A pragma directive may have its ‘#’ indented.

AUTHOR

Written by Jim Meyering.

REPORTING BUGS

Report bugs to <bug-cppi@gnu.org>.

COPYRIGHT

Copyright © 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

The full documentation for cppi is maintained as a Texinfo manual. If the info and cppi programs are properly installed at your site, the command
info cppi
should give you access to the complete manual.
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cppi 1.18 CPPI (1) March 2013

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