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CPPI(1) User Commands CPPI(1) 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 fol- lowing directive must correspond to the level of nesting of that direc- tive. 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 indenta- tion 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 (C) 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. cppi 1.18 March 2013 CPPI(1)
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