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7f904d7e1f
Based on 1 normalized pattern(s): gplv2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 58 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081207.556988620@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
88 lines
1.7 KiB
Text
88 lines
1.7 KiB
Text
// SPDX-License-Identifier: GPL-2.0-only
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/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element
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///
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//# This makes an effort to find cases where ARRAY_SIZE can be used such as
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//# where there is a division of sizeof the array by the sizeof its first
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//# element or by any indexed element or the element type. It replaces the
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//# division of the two sizeofs by ARRAY_SIZE.
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//
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// Confidence: High
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// Copyright: (C) 2014 Himangi Saraogi.
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// Comments:
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// Options: --no-includes --include-headers
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virtual patch
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virtual context
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virtual org
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virtual report
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@i@
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@@
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#include <linux/kernel.h>
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//----------------------------------------------------------
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// For context mode
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//----------------------------------------------------------
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@depends on i&&context@
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type T;
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T[] E;
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@@
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(
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* (sizeof(E)/sizeof(*E))
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* (sizeof(E)/sizeof(E[...]))
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* (sizeof(E)/sizeof(T))
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)
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//----------------------------------------------------------
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// For patch mode
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//----------------------------------------------------------
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@depends on i&&patch@
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type T;
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T[] E;
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@@
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(
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- (sizeof(E)/sizeof(*E))
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+ ARRAY_SIZE(E)
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- (sizeof(E)/sizeof(E[...]))
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+ ARRAY_SIZE(E)
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- (sizeof(E)/sizeof(T))
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+ ARRAY_SIZE(E)
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)
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//----------------------------------------------------------
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// For org and report mode
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//----------------------------------------------------------
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@r depends on (org || report)@
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type T;
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T[] E;
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position p;
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@@
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(
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(sizeof(E)@p /sizeof(*E))
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(sizeof(E)@p /sizeof(E[...]))
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(sizeof(E)@p /sizeof(T))
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)
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@script:python depends on org@
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p << r.p;
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@@
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coccilib.org.print_todo(p[0], "WARNING should use ARRAY_SIZE")
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@script:python depends on report@
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p << r.p;
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@@
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msg="WARNING: Use ARRAY_SIZE"
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coccilib.report.print_report(p[0], msg)
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