Remove prototypes with empty declarations (#12020)

Technically declaring a prototype with an empty declaration has been deprecated since the early days of C, but we never got a warning for it. C2x will apparently be introducing a breaking change if you are using this type of declarator, so Clang 15 has started issuing a warning with -pedantic. Although not apparently a problem for any of the compiler we build on, if feels like the right thing is to properly adhere to the C standard and use (void).

1 files changed, 3 insertions, 3 deletions

diff --git a/src/monotonic.h b/src/monotonic.h
index 32cf70638..b465f90b1 100644
--- a/src/monotonic.h
+++ b/src/monotonic.h
@@ -33,13 +33,13 @@ typedef enum monotonic_clock_type {
  * needs to be called once, it may be called additional times without impact.
  * Returns a printable string indicating the type of clock initialized.
  * (The returned string is static and doesn't need to be freed.)  */
-const char *monotonicInit();
+const char *monotonicInit(void);
 
 /* Return a string indicating the type of monotonic clock being used. */
-const char *monotonicInfoString();
+const char *monotonicInfoString(void);
 
 /* Return the type of monotonic clock being used. */
-monotonic_clock_type monotonicGetType();
+monotonic_clock_type monotonicGetType(void);
 
 /* Functions to measure elapsed time.  Example:
  *     monotime myTimer;