Use void in all function definitions that do not take any arguments

Reviewed-by: Rich Salz <rsalz@openssl.org>
GH: #6208

1 files changed, 6 insertions, 5 deletions

diff --git a/test/rdrand_sanitytest.c b/test/rdrand_sanitytest.c
index 1844d7224c..0e67b377bd 100644
--- a/test/rdrand_sanitytest.c
+++ b/test/rdrand_sanitytest.c
@@ -20,7 +20,7 @@
 size_t OPENSSL_ia32_rdrand_bytes(unsigned char *buf, size_t len);
 size_t OPENSSL_ia32_rdseed_bytes(unsigned char *buf, size_t len);
 
-void OPENSSL_cpuid_setup();
+void OPENSSL_cpuid_setup(void);
 
 extern unsigned int OPENSSL_ia32cap_P[4];
 
@@ -81,12 +81,12 @@ end:
     return testresult;
 }
 
-static int sanity_check_rdrand_bytes()
+static int sanity_check_rdrand_bytes(void)
 {
     return sanity_check_bytes(OPENSSL_ia32_rdrand_bytes, 1000, 0, 10, 10);
 }
 
-static int sanity_check_rdseed_bytes()
+static int sanity_check_rdseed_bytes(void)
 {
     /*-
      * RDSEED may take many retries to succeed; note that this is effectively
@@ -97,7 +97,8 @@ static int sanity_check_rdseed_bytes()
     return sanity_check_bytes(OPENSSL_ia32_rdseed_bytes, 1000, 1, 10000, 10);
 }
 
-int setup_tests() {
+int setup_tests(void)
+{
     OPENSSL_cpuid_setup();
 
     int have_rdseed = (OPENSSL_ia32cap_P[2] & (1 << 18)) != 0;
@@ -117,7 +118,7 @@ int setup_tests() {
 
 #else
 
-int setup_tests()
+int setup_tests(void)
 {
     return 1;
 }