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Everywhere: Switch from (void) to [[maybe_unused]] (#4473)

Problem:
- `(void)` simply casts the expression to void. This is understood to
  indicate that it is ignored, but this is really a compiler trick to
  get the compiler to not generate a warning.

Solution:
- Use the `[[maybe_unused]]` attribute to indicate the value is unused.

Note:
- Functions taking a `(void)` argument list have also been changed to
  `()` because this is not needed and shows up in the same grep
  command.
This commit is contained in:
Lenny Maiorani 2020-12-20 16:09:48 -07:00 committed by GitHub
parent 4421d98e30
commit 765936ebae
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GPG key ID: 4AEE18F83AFDEB23
103 changed files with 219 additions and 362 deletions

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@ -41,13 +41,13 @@ __BEGIN_DECLS
__attribute__((malloc)) __attribute__((alloc_size(1))) void* malloc(size_t);
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void* calloc(size_t nmemb, size_t);
size_t malloc_size(void*);
void serenity_dump_malloc_stats(void);
void serenity_dump_malloc_stats();
void free(void*);
__attribute__((alloc_size(2))) void* realloc(void* ptr, size_t);
char* getenv(const char* name);
int putenv(char*);
int unsetenv(const char*);
int clearenv(void);
int clearenv();
int setenv(const char* name, const char* value, int overwrite);
int atoi(const char*);
long atol(const char*);
@ -87,7 +87,7 @@ void srand(unsigned seed);
long int random();
void srandom(unsigned seed);
uint32_t arc4random(void);
uint32_t arc4random();
void arc4random_buf(void*, size_t);
uint32_t arc4random_uniform(uint32_t);