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botdev@3.129.209.135: ~ $
/// Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element
///
//# This makes an effort to find cases where the argument to sizeof is wrong
//# in memory allocation functions by checking the type of the allocated memory
//# when it is a double pointer and ensuring the sizeof argument takes a pointer
//# to the the memory being allocated. There are false positives in cases the
//# sizeof argument is not used in constructing the return value. The result
//# may need some reformatting.
//
// Confidence: Moderate
// Copyright: (C) 2014 Himangi Saraogi.  GPLv2.
// Comments:
// Options:

virtual patch
virtual context
virtual org
virtual report

//----------------------------------------------------------
//  For context mode
//----------------------------------------------------------

@depends on context disable sizeof_type_expr@
type T;
T **x;
@@

  x =
  <+...sizeof(
* T
  )...+>

//----------------------------------------------------------
//  For patch mode
//----------------------------------------------------------

@depends on patch disable sizeof_type_expr@
type T;
T **x;
@@

  x =
  <+...sizeof(
- T
+ *x
  )...+>

//----------------------------------------------------------
//  For org and report mode
//----------------------------------------------------------

@r depends on (org || report) disable sizeof_type_expr@
type T;
T **x;
position p;
@@

  x =
  <+...sizeof(
  T@p
  )...+>

@script:python depends on org@
p << r.p;
@@

coccilib.org.print_todo(p[0], "WARNING sizeof argument should be pointer type, not structure type")

@script:python depends on report@
p << r.p;
@@

msg="WARNING: Use correct pointer type argument for sizeof"
coccilib.report.print_report(p[0], msg)


Filemanager

Name Type Size Permission Actions
array_size.cocci File 1.66 KB 0644
badty.cocci File 1.68 KB 0644
boolconv.cocci File 1.44 KB 0644
boolinit.cocci File 2.2 KB 0644
boolreturn.cocci File 698 B 0644
bugon.cocci File 1.45 KB 0644
cond_no_effect.cocci File 2.04 KB 0644
cstptr.cocci File 827 B 0644
doubleinit.cocci File 1.36 KB 0644
ifaddr.cocci File 659 B 0644
ifcol.cocci File 1.21 KB 0644
irqf_oneshot.cocci File 1.91 KB 0644
noderef.cocci File 1.17 KB 0644
of_table.cocci File 1.33 KB 0644
orplus.cocci File 1 KB 0644
returnvar.cocci File 1.22 KB 0644
semicolon.cocci File 1.04 KB 0644
warn.cocci File 1.62 KB 0644