fix build error in release mode with gcc10 (#8)

Signed-off-by: amyangfei <amyangfei@gmail.com>

Author: amyangfei

include/my_hash_combine.h

@@ -61,12 +61,14 @@ Steinar */
 #define MY_FUNCTIONAL_HASH_ROTL32(x, r) (x << r) | (x >> (32 - r))
 #endif /* _MSC_VER */
 
+#include <stdint.h>
+
 template <typename SizeT>
 inline void my_hash_combine(SizeT &seed, SizeT value) {
   seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2);
 }
 
-inline void my_hash_combine(std::uint32_t &h1, std::uint32_t k1) {
+inline void my_hash_combine(uint32_t &h1, uint32_t k1) {
   const uint32_t c1 = 0xcc9e2d51;
   const uint32_t c2 = 0x1b873593;
 
@@ -79,8 +81,8 @@ inline void my_hash_combine(std::uint32_t &h1, std::uint32_t k1) {
   h1 = h1 * 5 + 0xe6546b64;
 }
 
-inline void my_hash_combine(std::uint64_t &h, std::uint64_t k) {
-  const std::uint64_t m = 0xc6a4a7935bd1e995ull;
+inline void my_hash_combine(uint64_t &h, uint64_t k) {
+  const uint64_t m = 0xc6a4a7935bd1e995ull;
   const int r = 47;
 
   k *= m;

sql/rpl_applier_reader.cc

@@ -70,7 +70,7 @@ class Rpl_applier_reader::Stage_controller {
   }
 
   void enter_stage() {
-    DBUG_ASSERT(m_state = LOCKED);
+    DBUG_ASSERT(m_state == LOCKED);
     m_thd->ENTER_COND(m_cond, m_mutex, &m_new_stage, &m_old_stage);
     m_state = IN_STAGE;
   }

sql/rpl_binlog_sender.cc

@@ -356,12 +356,12 @@ void Binlog_sender::run() {
   if (reader.is_open()) {
     if (is_fatal_error()) {
       /* output events range to error message */
-      snprintf(error_text, sizeof(error_text),
-               "%s; the first event '%s' at %lld, "
-               "the last event read from '%s' at %lld, "
-               "the last byte read from '%s' at %lld.",
-               m_errmsg, m_start_file, m_start_pos, m_last_file, m_last_pos,
-               log_file, reader.position());
+      my_snprintf_8bit(nullptr, error_text, sizeof(error_text),
+                       "%s; the first event '%s' at %lld, "
+                       "the last event read from '%s' at %lld, "
+                       "the last byte read from '%s' at %lld.",
+                       m_errmsg, m_start_file, m_start_pos, m_last_file,
+                       m_last_pos, log_file, reader.position());
       set_fatal_error(error_text);
     }
 

sql/rpl_utility.h

@@ -28,6 +28,7 @@
 #endif
 
 #include <sys/types.h>
+#include <string>
 #include <unordered_map>
 
 #include "field_types.h"  // enum_field_types

sql/udpsvr.cc

@@ -143,7 +143,7 @@ void CUdpServer::loopdealreq() {
                 fprintf(stderr, "recvfrom received %d bytes, equals to message buffer size(%d), "
                         "from int ip:%u, data may be truncated.",
                          ret, recvlen, from.sin_addr.s_addr);
-            strncpy(fromaddr, inet_ntoa(from.sin_addr), 24);
+            strncpy(fromaddr, inet_ntoa(from.sin_addr), strlen(fromaddr));
             do_request(recvbuf, ret, fromaddr);
         } else {
             fprintf(stderr, "recvfrom ret:%d<=0,errno:%d,errstr:%s,from int ip:%u",