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Subject[PATCH 02/26] lib: constify local structures
For structure types defined in the same file or local header files, find
top-level static structure declarations that have the following
1. Never reassigned.
2. Address never taken
3. Not passed to a top-level macro call
4. No pointer or array-typed field passed to a function or stored in a
Declare structures having all of these properties as const.

Done using Coccinelle.
Based on a suggestion by Joe Perches <>.

Signed-off-by: Julia Lawall <>

The semantic patch seems too long for a commit log, but is in the cover

lib/crc64_ecma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/crc64_ecma.c b/lib/crc64_ecma.c
index 41629ea..d013bf3 100644
--- a/lib/crc64_ecma.c
+++ b/lib/crc64_ecma.c
@@ -44,7 +44,7 @@ struct crc64_table {

-static struct crc64_table CRC64_ECMA_182 = {
+static const struct crc64_table CRC64_ECMA_182 = {
 \ /
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