Make usage of grpc_inet_ntop consistent

src/core/lib/iomgr/sockaddr_utils.c

@@ -42,6 +42,7 @@
 #include <grpc/support/port_platform.h>
 #include <grpc/support/string_util.h>
 
+#include "src/core/lib/iomgr/socket_utils.h"
 #include "src/core/lib/iomgr/unix_sockets_posix.h"
 #include "src/core/lib/support/string.h"
 
@@ -155,9 +156,8 @@ int grpc_sockaddr_to_string(char **out, const struct sockaddr *addr,
     ip = &addr6->sin6_addr;
     port = ntohs(addr6->sin6_port);
   }
-  /* Windows inet_ntop wants a mutable ip pointer */
   if (ip != NULL &&
-      inet_ntop(addr->sa_family, (void *)ip, ntop_buf, sizeof(ntop_buf)) !=
+      grpc_inet_ntop(addr->sa_family, ip, ntop_buf, sizeof(ntop_buf)) !=
           NULL) {
     ret = gpr_join_host_port(out, ntop_buf, port);
   } else {

src/core/lib/iomgr/socket_utils.h

@@ -43,7 +43,7 @@
 #endif
 
 /* A wrapper for inet_ntop on POSIX systems and InetNtop on Windows systems */
-const char *grpc_inet_ntop(int af, void *src,
+const char *grpc_inet_ntop(int af, const void *src,
                            char *dst, socklen_t size);
 
 #endif /* GRPC_CORE_LIB_IOMGR_SOCKET_UTILS_H */

src/core/lib/iomgr/socket_utils_common_posix.c

@@ -297,9 +297,9 @@ grpc_error *grpc_create_dualstack_socket(const struct sockaddr *addr, int type,
   return error_for_fd(*newfd, addr);
 }
 
-const char *grpc_inet_ntop(int af, void *src,
+const char *grpc_inet_ntop(int af, const void *src,
                            char *dst, socklen_t size) {
-  return inet_ntop(af, (const void*)src, dst, size);
+  return inet_ntop(af, src, dst, size);
 }
 
 #endif

src/core/lib/iomgr/socket_utils_windows.c

@@ -39,10 +39,11 @@
 
 #include <grpc/support/log.h>
 
-const char *grpc_inet_ntop(int af, void *src,
+const char *grpc_inet_ntop(int af, const void *src,
                            char *dst, socklen_t size) {
   GPR_ASSERT(sizeof(socklen_t) <= sizeof(size_t));
-  return InetNtopA(af, src, dst, (size_t)size);
+  /* Windows InetNtopA wants a mutable ip pointer */
+  return InetNtopA(af, (void*)src, dst, (size_t)size);
 }
 
 #endif /* GRPC_WINDOWS_SOCKETUTILS */