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| author |  René Scharfe <l.s.r@web.de> | 2017-02-25 11:30:03 +0100 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2017-02-27 11:02:05 -0800 |
| commit | 3f64699ffde6cd2152db2106505a2310601a207f (patch) | |
| tree | 4642e6ba0aaaa6d6ba8c639a91d91187794fbb0f /contrib/coccinelle | |
| parent | Git 2.11.1 (diff) | |
| download | tgif-3f64699ffde6cd2152db2106505a2310601a207f.tar.xz | |
cocci: use ALLOC_ARRAY
Add a semantic patch for using ALLOC_ARRAY to allocate arrays and apply
the transformation on the current source tree. The macro checks for
multiplication overflow and infers the element size automatically; the
result is shorter and safer code.
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'contrib/coccinelle')
| -rw-r--r-- | contrib/coccinelle/array.cocci | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/contrib/coccinelle/array.cocci b/contrib/coccinelle/array.cocci index 2d7f25d99f..4ba98b7eaf 100644 --- a/contrib/coccinelle/array.cocci +++ b/contrib/coccinelle/array.cocci @@ -24,3 +24,19 @@ expression n; @@ - memcpy(dst, src, n * sizeof(T)); + COPY_ARRAY(dst, src, n); + +@@ +type T; +T *ptr; +expression n; +@@ +- ptr = xmalloc(n * sizeof(*ptr)); ++ ALLOC_ARRAY(ptr, n); + +@@ +type T; +T *ptr; +expression n; +@@ +- ptr = xmalloc(n * sizeof(T)); ++ ALLOC_ARRAY(ptr, n); |