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systemd/coccinelle/const-strlen.disabled

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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 12:28:36 +02:00
/* SPDX-License-Identifier: LGPL-2.1-or-later */
tree-wide: make use of new STRLEN() macro everywhere (#7639) Let's employ coccinelle to do this for us. Follow-up for #7625.
2017-12-14 19:02:29 +01:00
@@
constant s;
@@
coccinelle: ignore macro transformations in the macros themselves For example, the following transformation: - sizeof(s)-1 + STRLEN(s) would replace sizeof by STRLEN even in the STRLEN macro definition itself, which generates following nonsensical patch: --- src/basic/macro.h +++ /tmp/cocci-output-8753-b50773-macro.h @@ -182,7 +182,7 @@ static inline unsigned long ALIGN_POWER2 * Contrary to strlen(), this is a constant expression. * @x: a string literal. */ -#define STRLEN(x) (sizeof(""x"") - 1) +#define STRLEN(x) (STRLEN("" x "")) /* * container_of - cast a member of a structure out to the containing structure Let's exclude the macro itself from the transformation to avoid this
2019-04-28 15:03:47 +02:00
(
#define STRLEN
&
tree-wide: make use of new STRLEN() macro everywhere (#7639) Let's employ coccinelle to do this for us. Follow-up for #7625.
2017-12-14 19:02:29 +01:00
- sizeof(s)-1
+ STRLEN(s)
coccinelle: ignore macro transformations in the macros themselves For example, the following transformation: - sizeof(s)-1 + STRLEN(s) would replace sizeof by STRLEN even in the STRLEN macro definition itself, which generates following nonsensical patch: --- src/basic/macro.h +++ /tmp/cocci-output-8753-b50773-macro.h @@ -182,7 +182,7 @@ static inline unsigned long ALIGN_POWER2 * Contrary to strlen(), this is a constant expression. * @x: a string literal. */ -#define STRLEN(x) (sizeof(""x"") - 1) +#define STRLEN(x) (STRLEN("" x "")) /* * container_of - cast a member of a structure out to the containing structure Let's exclude the macro itself from the transformation to avoid this
2019-04-28 15:03:47 +02:00
)
tree-wide: make use of new STRLEN() macro everywhere (#7639) Let's employ coccinelle to do this for us. Follow-up for #7625.
2017-12-14 19:02:29 +01:00
@@
constant s;
@@
- strlen(s)
+ STRLEN(s)
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