1 /// Use kstrdup rather than duplicating its implementation
4 // Copyright: (C) 2010-2012 Nicolas Palix. GPLv2.
5 // Copyright: (C) 2010-2012 Julia Lawall, INRIA/LIP6. GPLv2.
6 // Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2.
7 // URL: http://coccinelle.lip6.fr/
9 // Options: --no-includes --include-headers
18 expression flag,E1,E2;
22 - to = kmalloc(strlen(from) + 1,flag);
23 + to = kstrdup(from, flag);
24 ... when != \(from = E1 \| to = E1 \)
25 if (to==NULL || ...) S
26 ... when != \(from = E2 \| to = E2 \)
31 expression flag,E1,E2,E3;
35 - x = strlen(from) + 1;
36 ... when != \( x = E1 \| from = E1 \)
37 - to = \(kmalloc\|kzalloc\)(x,flag);
38 + to = kstrdup(from, flag);
39 ... when != \(x = E2 \| from = E2 \| to = E2 \)
40 if (to==NULL || ...) S
41 ... when != \(x = E3 \| from = E3 \| to = E3 \)
42 - memcpy(to, from, x);
44 // ---------------------------------------------------------------------
46 @r1 depends on !patch exists@
48 expression flag,E1,E2;
53 * to = kmalloc@p1(strlen(from) + 1,flag);
54 ... when != \(from = E1 \| to = E1 \)
55 if (to==NULL || ...) S
56 ... when != \(from = E2 \| to = E2 \)
57 * strcpy@p2(to, from);
59 @r2 depends on !patch exists@
61 expression flag,E1,E2,E3;
66 * x = strlen(from) + 1;
67 ... when != \( x = E1 \| from = E1 \)
68 * to = \(kmalloc@p1\|kzalloc@p2\)(x,flag);
69 ... when != \(x = E2 \| from = E2 \| to = E2 \)
70 if (to==NULL || ...) S
71 ... when != \(x = E3 \| from = E3 \| to = E3 \)
72 * memcpy@p2(to, from, x);
74 @script:python depends on org@
79 cocci.print_main("WARNING opportunity for kstrdep",p1)
80 cocci.print_secs("strcpy",p2)
82 @script:python depends on org@
87 cocci.print_main("WARNING opportunity for kstrdep",p1)
88 cocci.print_secs("memcpy",p2)
90 @script:python depends on report@
95 msg = "WARNING opportunity for kstrdep (strcpy on line %s)" % (p2[0].line)
96 coccilib.report.print_report(p1[0], msg)
98 @script:python depends on report@
103 msg = "WARNING opportunity for kstrdep (memcpy on line %s)" % (p2[0].line)
104 coccilib.report.print_report(p1[0], msg)