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Manual

CPPI

NAME
SYNOPSIS
DESCRIPTION
The exit code will be one of these:
AUTHOR
REPORTING BUGS
COPYRIGHT
SEE ALSO

NAME

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

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.