protoize no-arguments functions

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 6 insertions, 6 deletions

diff --git a/ext/digest/md5/md5.c b/ext/digest/md5/md5.c
index 4ff280bb0a..19fe54a693 100644
--- a/ext/digest/md5/md5.c
+++ b/ext/digest/md5/md5.c
@@ -61,7 +61,7 @@
  */
 #include <string.h>
 int
-main()
+main(void)
 {
     static const char *const test[7*2] = {
 	"", "d41d8cd98f00b204e9800998ecf8427e",
@@ -102,7 +102,7 @@ main()
 #ifdef COMPUTE_T_VALUES
 #include <math.h>
 int
-main()
+main(void)
 {
     int i;
     for (i = 1; i <= 64; ++i) {
diff --git a/ext/digest/md5/md5init.c b/ext/digest/md5/md5init.c
index 9ab2855620..6363fe6b70 100644
--- a/ext/digest/md5/md5init.c
+++ b/ext/digest/md5/md5init.c
@@ -24,7 +24,7 @@ static const rb_digest_metadata_t md5 = {
  * RFC1321.
  */
 void
-Init_md5()
+Init_md5(void)
 {
     VALUE mDigest, cDigest_Base, cDigest_MD5;
 
diff --git a/ext/digest/rmd160/rmd160init.c b/ext/digest/rmd160/rmd160init.c
index d88a3d3e69..8cf5461cbf 100644
--- a/ext/digest/rmd160/rmd160init.c
+++ b/ext/digest/rmd160/rmd160init.c
@@ -24,7 +24,7 @@ static const rb_digest_metadata_t rmd160 = {
  * Bosselaers, and Bart Preneel.
  */
 void
-Init_rmd160()
+Init_rmd160(void)
 {
     VALUE mDigest, cDigest_Base, cDigest_RMD160;
 
diff --git a/ext/digest/sha1/sha1init.c b/ext/digest/sha1/sha1init.c
index d3dbab4b50..22a67da171 100644
--- a/ext/digest/sha1/sha1init.c
+++ b/ext/digest/sha1/sha1init.c
@@ -24,7 +24,7 @@ static const rb_digest_metadata_t sha1 = {
  * Technology), described in FIPS PUB 180-1.
  */
 void
-Init_sha1()
+Init_sha1(void)
 {
     VALUE mDigest, cDigest_Base, cDigest_SHA1;
 
diff --git a/ext/digest/sha2/sha2init.c b/ext/digest/sha2/sha2init.c
index d627beba6e..2b0585543a 100644
--- a/ext/digest/sha2/sha2init.c
+++ b/ext/digest/sha2/sha2init.c
@@ -29,7 +29,7 @@ FOREACH_BITLEN(DEFINE_ALGO_METADATA)
  * Standards and Technology), described in FIPS PUB 180-2.
  */
 void
-Init_sha2()
+Init_sha2(void)
 {
     VALUE mDigest, cDigest_Base;
     ID id_metadata;