#!/bin/bash
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# (c) 2017, Jonathan Corbet <corbet@lwn.net>
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# sayli karnik <karniksayli1995@gmail.com>
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#
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# This script detects files with kernel-doc comments for exported functions
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# that are not included in documentation.
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#
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# usage: Run 'scripts/find-unused-docs.sh directory' from top level of kernel
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# tree.
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#
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# example: $scripts/find-unused-docs.sh drivers/scsi
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#
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# Licensed under the terms of the GNU GPL License
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if ! [ -d "Documentation" ]; then
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echo "Run from top level of kernel tree"
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exit 1
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fi
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if [ "$#" -ne 1 ]; then
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echo "Usage: scripts/find-unused-docs.sh directory"
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exit 1
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fi
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if ! [ -d "$1" ]; then
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echo "Directory $1 doesn't exist"
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exit 1
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fi
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cd "$( dirname "${BASH_SOURCE[0]}" )"
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cd ..
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cd Documentation/
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echo "The following files contain kerneldoc comments for exported functions \
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that are not used in the formatted documentation"
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# FILES INCLUDED
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files_included=($(grep -rHR ".. kernel-doc" --include \*.rst | cut -d " " -f 3))
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declare -A FILES_INCLUDED
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for each in "${files_included[@]}"; do
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FILES_INCLUDED[$each]="$each"
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done
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cd ..
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# FILES NOT INCLUDED
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for file in `find $1 -name '*.c'`; do
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if [[ ${FILES_INCLUDED[$file]+_} ]]; then
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continue;
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fi
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str=$(scripts/kernel-doc -export "$file" 2>/dev/null)
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if [[ -n "$str" ]]; then
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echo "$file"
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fi
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done
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