forked from Minki/linux
998f552323
Use kstrdup rather than duplicating its implementation Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
40 lines
973 B
Plaintext
40 lines
973 B
Plaintext
/// Use kstrdup rather than duplicating its implementation
|
|
///
|
|
// Confidence: High
|
|
// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
|
|
// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
|
|
// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
|
|
// URL: http://coccinelle.lip6.fr/
|
|
// Comments:
|
|
// Options: -no_includes -include_headers
|
|
|
|
virtual patch
|
|
|
|
@@
|
|
expression from,to;
|
|
expression flag,E1,E2;
|
|
statement S;
|
|
@@
|
|
|
|
- to = kmalloc(strlen(from) + 1,flag);
|
|
+ to = kstrdup(from, flag);
|
|
... when != \(from = E1 \| to = E1 \)
|
|
if (to==NULL || ...) S
|
|
... when != \(from = E2 \| to = E2 \)
|
|
- strcpy(to, from);
|
|
|
|
@@
|
|
expression x,from,to;
|
|
expression flag,E1,E2,E3;
|
|
statement S;
|
|
@@
|
|
|
|
- x = strlen(from) + 1;
|
|
... when != \( x = E1 \| from = E1 \)
|
|
- to = \(kmalloc\|kzalloc\)(x,flag);
|
|
+ to = kstrdup(from, flag);
|
|
... when != \(x = E2 \| from = E2 \| to = E2 \)
|
|
if (to==NULL || ...) S
|
|
... when != \(x = E3 \| from = E3 \| to = E3 \)
|
|
- memcpy(to, from, x);
|