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kernel/linux-rt-4.4.41/scripts/coccinelle/api/resource_size.cocci 2.07 KB
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  ///
  /// Use resource_size function on resource object
  /// instead of explicit computation.
  ///
  //  Confidence: High
  //  Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.  GPLv2.
  //  Copyright: (C) 2009, 2010 Julia Lawall, DIKU.  GPLv2.
  //  Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
  //  URL: http://coccinelle.lip6.fr/
  //  Options:
  //
  //  Keywords: resource_size
  //  Version min: 2.6.27 resource_size
  //
  
  virtual context
  virtual patch
  virtual org
  virtual report
  
  //----------------------------------------------------------
  //  For context mode
  //----------------------------------------------------------
  
  @r_context depends on context && !patch && !org@
  struct resource *res;
  @@
  
  * (res->end - res->start) + 1
  
  //----------------------------------------------------------
  //  For patch mode
  //----------------------------------------------------------
  
  @r_patch depends on !context && patch && !org@
  struct resource *res;
  @@
  
  - (res->end - res->start) + 1
  + resource_size(res)
  
  //----------------------------------------------------------
  //  For org mode
  //----------------------------------------------------------
  
  
  @r_org depends on !context && !patch && (org || report)@
  struct resource *res;
  position p;
  @@
  
   (res->end@p - res->start) + 1
  
  @rbad_org depends on !context && !patch && (org || report)@
  struct resource *res;
  position p != r_org.p;
  @@
  
   res->end@p - res->start
  
  @script:python depends on org@
  p << r_org.p;
  x << r_org.res;
  @@
  
  msg="ERROR with %s" % (x)
  msg_safe=msg.replace("[","@(").replace("]",")")
  coccilib.org.print_todo(p[0], msg_safe)
  
  @script:python depends on report@
  p << r_org.p;
  x << r_org.res;
  @@
  
  msg="ERROR: Missing resource_size with %s" % (x)
  coccilib.report.print_report(p[0], msg)
  
  @script:python depends on org@
  p << rbad_org.p;
  x << rbad_org.res;
  @@
  
  msg="WARNING with %s" % (x)
  msg_safe=msg.replace("[","@(").replace("]",")")
  coccilib.org.print_todo(p[0], msg_safe)
  
  @script:python depends on report@
  p << rbad_org.p;
  x << rbad_org.res;
  @@
  
  msg="WARNING: Suspicious code. resource_size is maybe missing with %s" % (x)
  coccilib.report.print_report(p[0], msg)