git/contrib/coccinelle/array.cocci
René Scharfe 6e57841096 use DUP_ARRAY
Add a semantic patch for replace ALLOC_ARRAY+COPY_ARRAY with DUP_ARRAY
to reduce code duplication and apply its results.

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2023-01-09 13:28:36 +09:00

104 lines
2.2 KiB
Plaintext

@@
type T;
T *dst_ptr;
T *src_ptr;
expression n;
@@
- memcpy(dst_ptr, src_ptr, (n) * \( sizeof(T)
- \| sizeof(*(dst_ptr))
- \| sizeof(*(src_ptr))
- \| sizeof(dst_ptr[...])
- \| sizeof(src_ptr[...])
- \) )
+ COPY_ARRAY(dst_ptr, src_ptr, n)
@@
type T;
T *dst_ptr;
T[] src_arr;
expression n;
@@
- memcpy(dst_ptr, src_arr, (n) * \( sizeof(T)
- \| sizeof(*(dst_ptr))
- \| sizeof(*(src_arr))
- \| sizeof(dst_ptr[...])
- \| sizeof(src_arr[...])
- \) )
+ COPY_ARRAY(dst_ptr, src_arr, n)
@@
type T;
T[] dst_arr;
T *src_ptr;
expression n;
@@
- memcpy(dst_arr, src_ptr, (n) * \( sizeof(T)
- \| sizeof(*(dst_arr))
- \| sizeof(*(src_ptr))
- \| sizeof(dst_arr[...])
- \| sizeof(src_ptr[...])
- \) )
+ COPY_ARRAY(dst_arr, src_ptr, n)
@@
type T;
T[] dst_arr;
T[] src_arr;
expression n;
@@
- memcpy(dst_arr, src_arr, (n) * \( sizeof(T)
- \| sizeof(*(dst_arr))
- \| sizeof(*(src_arr))
- \| sizeof(dst_arr[...])
- \| sizeof(src_arr[...])
- \) )
+ COPY_ARRAY(dst_arr, src_arr, n)
@@
type T;
T *dst;
T *src;
expression n;
@@
(
- memmove(dst, src, (n) * sizeof(*dst));
+ MOVE_ARRAY(dst, src, n);
|
- memmove(dst, src, (n) * sizeof(*src));
+ MOVE_ARRAY(dst, src, n);
|
- memmove(dst, src, (n) * sizeof(T));
+ MOVE_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);
@@
type T;
T *ptr;
expression n != 1;
@@
- ptr = xcalloc(n, \( sizeof(*ptr) \| sizeof(T) \) )
+ CALLOC_ARRAY(ptr, n)
@@
expression dst, src, n;
@@
-ALLOC_ARRAY(dst, n);
-COPY_ARRAY(dst, src, n);
+DUP_ARRAY(dst, src, n);