diff options
| -rw-r--r-- | scripts/coccinelle/api/kstrdup.cocci | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/kstrdup.cocci b/scripts/coccinelle/api/kstrdup.cocci new file mode 100644 index 000000000000..e0805ad08d39 --- /dev/null +++ b/scripts/coccinelle/api/kstrdup.cocci @@ -0,0 +1,39 @@ +/// 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); |