Blame view

kernel/linux-imx6_3.14.28/scripts/coccinelle/misc/memcpy-assign.cocci 1.88 KB
6b13f685e   김민수   BSP 최초 추가
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
  //
  // Replace memcpy with struct assignment.
  //
  // Confidence: High
  // Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6.  GPLv2.
  // URL: http://coccinelle.lip6.fr/
  // Comments:
  // Options: --no-includes --include-headers
  
  virtual patch
  virtual report
  virtual context
  virtual org
  
  @r1 depends on !patch@
  identifier struct_name;
  struct struct_name to;
  struct struct_name from;
  struct struct_name *top;
  struct struct_name *fromp;
  position p;
  @@
  memcpy@p(\(&(to)\|top\), \(&(from)\|fromp\), \(sizeof(to)\|sizeof(from)\|sizeof(struct struct_name)\|sizeof(*top)\|sizeof(*fromp)\))
  
  @script:python depends on report@
  p << r1.p;
  @@
  coccilib.report.print_report(p[0],"Replace memcpy with struct assignment")
  
  @depends on context@
  position r1.p;
  @@
  *memcpy@p(...);
  
  @script:python depends on org@
  p << r1.p;
  @@
  cocci.print_main("Replace memcpy with struct assignment",p)
  
  @depends on patch@
  identifier struct_name;
  struct struct_name to;
  struct struct_name from;
  @@
  (
  -memcpy(&(to), &(from), sizeof(to));
  +to = from;
  |
  -memcpy(&(to), &(from), sizeof(from));
  +to = from;
  |
  -memcpy(&(to), &(from), sizeof(struct struct_name));
  +to = from;
  )
  
  @depends on patch@
  identifier struct_name;
  struct struct_name to;
  struct struct_name *from;
  @@
  (
  -memcpy(&(to), from, sizeof(to));
  +to = *from;
  |
  -memcpy(&(to), from, sizeof(*from));
  +to = *from;
  |
  -memcpy(&(to), from, sizeof(struct struct_name));
  +to = *from;
  )
  
  @depends on patch@
  identifier struct_name;
  struct struct_name *to;
  struct struct_name from;
  @@
  (
  -memcpy(to, &(from), sizeof(*to));
  + *to = from;
  |
  -memcpy(to, &(from), sizeof(from));
  + *to = from;
  |
  -memcpy(to, &(from), sizeof(struct struct_name));
  + *to = from;
  )
  
  @depends on patch@
  identifier struct_name;
  struct struct_name *to;
  struct struct_name *from;
  @@
  (
  -memcpy(to, from, sizeof(*to));
  + *to = *from;
  |
  -memcpy(to, from, sizeof(*from));
  + *to = *from;
  |
  -memcpy(to, from, sizeof(struct struct_name));
  + *to = *from;
  )