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commonlib: compiler.h: Use non-concise comment style 

The concise multi-line comment style is for inside function bodies to
save space. Outside of it, use non-concise style.

Change-Id: I34d9ec6984b598a37c438fa3c395b5478207e31d
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65885
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Paul Menzel 2022-07-16 09:36:52 +02:00 committed by Arthur Heymans
parent 646802c598
commit 47eb1321c8
1 changed files with 23 additions and 15 deletions
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38
src/commonlib/bsd/include/commonlib/bsd/compiler.h
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@ -15,19 +15,25 @@
#define __aligned(x) __attribute__((__aligned__(x)))
#endif
/* Because there may be variables/parameters whose name contains "__unused" in
header files of libc, namely musl, names consistent with the ones in the
Linux kernel may be a better choice. */
/*
* Because there may be variables/parameters whose name contains "__unused" in
* header files of libc, namely musl, names consistent with the ones in the
* Linux kernel may be a better choice.
*/
/* This is used to mark identifiers unused in all conditions, e.g. a parameter
completely unused in all code branch, only present to fit an API. */
/*
* This is used to mark identifiers unused in all conditions, e.g. a parameter
* completely unused in all code branch, only present to fit an API.
*/
#ifndef __always_unused
#define __always_unused __attribute__((__unused__))
#endif
/* This is used to mark identifiers unused in some conditions, e.g. a parameter
only unused in some code branches, a global variable only accessed with code
being conditionally preprocessed, etc. */
/*
* This is used to mark identifiers unused in some conditions, e.g. a parameter
* only unused in some code branches, a global variable only accessed with code
* being conditionally preprocessed, etc.
*/
#ifndef __maybe_unused
#define __maybe_unused __attribute__((__unused__))
#endif
@ -52,13 +58,15 @@
#define __fallthrough __attribute__((__fallthrough__))
#endif
/* This evaluates to the type of the first expression, unless that is constant
in which case it evaluates to the type of the second. This is useful when
assigning macro parameters to temporary variables, because that would
normally circumvent the special loosened type promotion rules for integer
literals. By using this macro, the promotion can happen at the time the
literal is assigned to the temporary variable. If the literal doesn't fit in
the chosen type, -Werror=overflow will catch it, so this should be safe. */
/*
* This evaluates to the type of the first expression, unless that is constant
* in which case it evaluates to the type of the second. This is useful when
* assigning macro parameters to temporary variables, because that would
* normally circumvent the special loosened type promotion rules for integer
* literals. By using this macro, the promotion can happen at the time the
* literal is assigned to the temporary variable. If the literal doesn't fit in
* the chosen type, -Werror=overflow will catch it, so this should be safe.
*/
#define __TYPEOF_UNLESS_CONST(expr, fallback_expr) __typeof__( \
__builtin_choose_expr(__builtin_constant_p(expr), fallback_expr, expr))