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systemd/coccinelle/equals-null.cocci

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licensing: add spdx to our .cocci files Since those are chunks of code based on our codebase, it's easiest to use the same license.
2021-10-01 13:28:36 +03:00
/* SPDX-License-Identifier: LGPL-2.1-or-later */
tree-wide: drop a few == NULL and != NULL comparison Our CODING_STYLE suggests not comparing with NULL, but relying on C's downgrade-to-bool feature for that. Fix up some code to match these guidelines. (This is not comprehensive, the coccinelle output for this is unfortunately kinda borked)
2017-12-08 22:52:38 +03:00
@@
expression e;
statement s;
@@
coccinelle: fix the equals-null transformation The original issue with this transformation was that we were replacing the whole if statement instead of just the expression inside. That caused the code to be weirdly formatted, as Coccinelle put a new block around each replaced if statement. This version replaces just the inner expression if it's in its incorrect form, otherwise it just accepts it (to avoid recursion).
2020-10-01 17:13:30 +03:00
if (
(
!e
|
- e == NULL
+ !e
)
)
{...}
else s
tree-wide: drop a few == NULL and != NULL comparison Our CODING_STYLE suggests not comparing with NULL, but relying on C's downgrade-to-bool feature for that. Fix up some code to match these guidelines. (This is not comprehensive, the coccinelle output for this is unfortunately kinda borked)
2017-12-08 22:52:38 +03:00
@@
expression e;
statement s;
@@
coccinelle: fix the equals-null transformation The original issue with this transformation was that we were replacing the whole if statement instead of just the expression inside. That caused the code to be weirdly formatted, as Coccinelle put a new block around each replaced if statement. This version replaces just the inner expression if it's in its incorrect form, otherwise it just accepts it (to avoid recursion).
2020-10-01 17:13:30 +03:00
if (
(
e
|
- e != NULL
+ e
)
)
{...}
else s
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