mirror of https://github.com/F-Stack/f-stack.git
80 lines
1.8 KiB
Groff
80 lines
1.8 KiB
Groff
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.\" #
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.\" # Copyright (c) 2014, Juniper Networks, Inc.
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.\" # All rights reserved.
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.\" # This SOFTWARE is licensed under the LICENSE provided in the
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.\" # ../Copyright file. By downloading, installing, copying, or
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.\" # using the SOFTWARE, you agree to be bound by the terms of that
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.\" # LICENSE.
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.\" # Phil Shafer, July 2014
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.\"
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.Dd December 4, 2014
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.Dt XOLINT 1
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.Os
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.Sh NAME
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.Nm xolint
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.Nd detect errors in programs using
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.Xr xo_emit 3
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.Sh SYNOPSIS
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.Nm xolint
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.Op Fl c
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.Op Fl "C <flags>"
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.Op Fl "d"
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.Op Fl "D"
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.Op Fl "I"
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.Op Fl "p"
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.Op Fl "V"
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.Op Fl "X"
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.Op Ar files...
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.Sh DESCRIPTION
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.Nm
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is a tool for reporting common mistakes in format strings
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in source code that invokes
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.Xr xo_emit 3 .
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It allows these errors
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to be diagnosed at build time, rather than waiting until runtime.
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.Pp
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.Nm
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takes one or more C files as arguments, and reports
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error, warning, or informational messages as needed.
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.Bl -tag -width "C <flags>"
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.It Fl c
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Invoke 'cpp' against the input file
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.It Fl "C <flags>"
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Flags that are passed to 'cpp'
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.It Fl "d"
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Enable debug output
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.It Fl "D"
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Generate documentation for all
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.Nm
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messages
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.It Fl "I"
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Generate a table of
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.Dv xo_info_t
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structures.
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.It Fl "p"
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Print the offending lines after the error message is displayed
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.It Fl "V"
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Do not report errors, but instead print a complete list of
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all field names, sorted alphabetically.
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The output can help spot
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inconsistencies and spelling errors.
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.It Fl "X"
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Extract samples from
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.Nm ,
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suitable for internal testing.
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.El
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.Pp
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The output message contains the source filename and line number, the
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class of the message, the message, and, if
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.Fl p
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is given, the
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line that contains the error:
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.Bd -literal -offset indent
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% xolint -t xolint.c
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xolint.c: 16: error: anchor format should be "%d"
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16 xo_emit("{[:/%s}");
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.Ed
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.Sh SEE ALSO
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.Xr libxo 3 ,
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.Xr xo_emit 3
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