Fix and reenable Windows compiler warning C4800 (size_t conversion).

24 files changed, 71 insertions, 71 deletions

diff --git a/cmake/os/Windows.cmake b/cmake/os/Windows.cmake
index 4fd01e5914e..b089a7f59f0 100644
--- a/cmake/os/Windows.cmake
+++ b/cmake/os/Windows.cmake
@@ -139,8 +139,8 @@ IF(MSVC)
   ENDIF()
   
   #TODO: update the code and remove the disabled warnings
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4800 /wd4805 /wd4996 /we4700 /we4311 /we4477 /we4302 /we4090 /wd4267 ")
-  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4800 /wd4805 /wd4996 /wd4291 /wd4577 /we4099 /we4700 /we4311 /we4477 /we4302 /we4090 /wd4267")
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /wd4805 /wd4996 /we4700 /we4311 /we4477 /we4302 /we4090")
+  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4805 /wd4996 /wd4291 /wd4577 /we4099 /we4700 /we4311 /we4477 /we4302 /we4090 /wd4267")
 
   IF(MYSQL_MAINTAINER_MODE MATCHES "ERR")
     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX")
diff --git a/libmariadb b/libmariadb
-Subproject f3944bbd36af729b2f13313587018679c57de67
+Subproject c038615c8a6ad584893302b4852a719979afd2e
diff --git a/mysys/file_logger.c b/mysys/file_logger.c
index 078286cd7d0..35a077c4391 100644
--- a/mysys/file_logger.c
+++ b/mysys/file_logger.c
@@ -172,7 +172,7 @@ int logger_vprintf(LOGGER_HANDLE *log, const char* fmt, va_list ap)
   if (n_bytes >= sizeof(cvtbuf))
     n_bytes= sizeof(cvtbuf) - 1;
 
-  result= my_write(log->file, (uchar *) cvtbuf, n_bytes, MYF(0));
+  result= (int)my_write(log->file, (uchar *) cvtbuf, n_bytes, MYF(0));
 
 exit:
   flogger_mutex_unlock(&log->lock);
@@ -196,7 +196,7 @@ int logger_write(LOGGER_HANDLE *log, const char *buffer, size_t size)
       goto exit; /* Log rotation needed but failed */
     }
 
-  result= my_write(log->file, (uchar *) buffer, size, MYF(0));
+  result= (int)my_write(log->file, (uchar *) buffer, size, MYF(0));
 
 exit:
   flogger_mutex_unlock(&log->lock);
diff --git a/pcre/pcregrep.c b/pcre/pcregrep.c
index 317f7454e13..a58ff823509 100644
--- a/pcre/pcregrep.c
+++ b/pcre/pcregrep.c
@@ -951,7 +951,7 @@ Returns:    TRUE if the path is not excluded
 static BOOL
 test_incexc(char *path, patstr *ip, patstr *ep)
 {
-int plen = strlen(path);
+int plen = (int)strlen(path);
 
 for (; ep != NULL; ep = ep->next)
   {
@@ -2502,7 +2502,7 @@ compile_pattern(patstr *p, int options, int popts, int fromfile,
 char buffer[PATBUFSIZE];
 const char *error;
 char *ps = p->string;
-int patlen = strlen(ps);
+int patlen = (int)strlen(ps);
 int errptr;
 
 if (p->compiled != NULL) return TRUE;
diff --git a/pcre/pcretest.c b/pcre/pcretest.c
index f1303037281..a0e65ed9808 100644
--- a/pcre/pcretest.c
+++ b/pcre/pcretest.c
@@ -1904,7 +1904,7 @@ for (;;)
 
       {
       if (f == stdin) printf("%s", prompt);
-      if (fgets((char *)here, rlen,  f) == NULL)
+      if (fgets((char *)here, (int)rlen,  f) == NULL)
         return (here == start)? NULL : start;
       }
 
@@ -2025,7 +2025,7 @@ pcre_uint32 c = 0;
 int yield = 0;
 
 if (length < 0)
-  length = strlen((char *)p);
+  length = (int)strlen((char *)p);
 
 while (length-- > 0)
   {
diff --git a/plugin/auth_examples/qa_auth_client.c b/plugin/auth_examples/qa_auth_client.c
index a7ee2f83a39..2153ee71504 100644
--- a/plugin/auth_examples/qa_auth_client.c
+++ b/plugin/auth_examples/qa_auth_client.c
@@ -90,7 +90,7 @@ static int test_plugin_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
       return CR_ERROR;
     /* send the reply to the server */
     res= vio->write_packet(vio, (const unsigned char *) reply, 
-                           strlen(reply) + 1);
+                           (int)strlen(reply) + 1);
 
     if (res)
       return CR_ERROR;
diff --git a/plugin/auth_examples/qa_auth_interface.c b/plugin/auth_examples/qa_auth_interface.c
index c9bc6c5aae4..5002330fb80 100644
--- a/plugin/auth_examples/qa_auth_interface.c
+++ b/plugin/auth_examples/qa_auth_interface.c
@@ -226,7 +226,7 @@ static int test_plugin_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
       return CR_ERROR;
     /* send the reply to the server */
     res= vio->write_packet(vio, (const unsigned char *) reply, 
-                           strlen(reply) + 1);
+                           (int)strlen(reply) + 1);
 
     if (res)
       return CR_ERROR;
diff --git a/plugin/auth_examples/test_plugin.c b/plugin/auth_examples/test_plugin.c
index 2b20a8cb56c..8cc17894be4 100644
--- a/plugin/auth_examples/test_plugin.c
+++ b/plugin/auth_examples/test_plugin.c
@@ -205,7 +205,7 @@ static int test_plugin_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
       return CR_ERROR;
     /* send the reply to the server */
     res= vio->write_packet(vio, (const unsigned char *) reply, 
-                           strlen(reply) + 1);
+                           (int)strlen(reply) + 1);
 
     if (res)
       return CR_ERROR;
diff --git a/plugin/fulltext/plugin_example.c b/plugin/fulltext/plugin_example.c
index 778918cb439..72d78db50f1 100644
--- a/plugin/fulltext/plugin_example.c
+++ b/plugin/fulltext/plugin_example.c
@@ -150,7 +150,7 @@ static void add_word(MYSQL_FTPARSER_PARAM *param, const char *word, size_t len)
   MYSQL_FTPARSER_BOOLEAN_INFO bool_info=
     { FT_TOKEN_WORD, 0, 0, 0, 0, ' ', 0 };
 
-  param->mysql_add_word(param, word, len, &bool_info);
+  param->mysql_add_word(param, word, (int)len, &bool_info);
 }
 
 /*
diff --git a/plugin/server_audit/server_audit.c b/plugin/server_audit/server_audit.c
index b75f6b9a863..e2097b58a17 100644
--- a/plugin/server_audit/server_audit.c
+++ b/plugin/server_audit/server_audit.c
@@ -300,7 +300,7 @@ static size_t big_buffer_alloced= 0;
 static unsigned int query_log_limit= 0;
 
 static char servhost[256];
-static size_t servhost_len;
+static uint servhost_len;
 static char *syslog_ident;
 static char syslog_ident_buffer[128]= "mysql-server_auditing";
 
@@ -622,7 +622,7 @@ static void remove_blanks(char *user)
 
 struct user_name
 {
-  int name_len;
+  size_t name_len;
   char *name;
 };
 
@@ -657,7 +657,7 @@ static int cmp_users(const void *ia, const void *ib)
 {
   const struct user_name *a= (const struct user_name *) ia;
   const struct user_name *b= (const struct user_name *) ib;
-  int dl= a->name_len - b->name_len;
+  int dl= (int)(a->name_len - b->name_len);
   if (dl != 0)
     return dl;
 
@@ -665,7 +665,7 @@ static int cmp_users(const void *ia, const void *ib)
 }
 
 
-static char *coll_search(struct user_coll *c, const char *n, int len)
+static char *coll_search(struct user_coll *c, const char *n, size_t len)
 {
   struct user_name un;
   struct user_name *found;
@@ -677,7 +677,7 @@ static char *coll_search(struct user_coll *c, const char *n, int len)
 }
 
 
-static int coll_insert(struct user_coll *c, char *n, int len)
+static int coll_insert(struct user_coll *c, char *n, size_t len)
 {
   if (c->n_users >= c->n_alloced)
   {
@@ -917,7 +917,7 @@ static void get_str_n(char *dest, int *dest_len, size_t dest_size,
 
   memcpy(dest, src, src_len);
   dest[src_len]= 0;
-  *dest_len= src_len;
+  *dest_len= (int)src_len;
 }
 
 
@@ -1232,7 +1232,7 @@ static void change_connection(struct connection_info *cn,
             event->ip, event->ip_length);
 }
 
-static int write_log(const char *message, int len)
+static int write_log(const char *message, size_t len)
 {
   if (output_type == OUTPUT_FILE)
   {
@@ -1246,7 +1246,7 @@ static int write_log(const char *message, int len)
   {
     syslog(syslog_facility_codes[syslog_facility] |
            syslog_priority_codes[syslog_priority],
-           "%s %.*s", syslog_info, len, message);
+           "%s %.*s", syslog_info, (int)len, message);
   }
   return 0;
 }
@@ -1739,9 +1739,9 @@ static int log_table(const struct connection_info *cn,
   (void) time(&ctime);
   csize= log_header(message, sizeof(message)-1, &ctime,
                     servhost, servhost_len,
-                    event->user, SAFE_STRLEN(event->user),
-                    event->host, SAFE_STRLEN(event->host),
-                    event->ip, SAFE_STRLEN(event->ip),
+                    event->user, (unsigned int)SAFE_STRLEN(event->user),
+                    event->host, (unsigned int)SAFE_STRLEN(event->host),
+                    event->ip, (unsigned int)SAFE_STRLEN(event->ip),
                     event->thread_id, cn->query_id, type);
   csize+= my_snprintf(message+csize, sizeof(message) - 1 - csize,
             ",%.*s,%.*s,",event->database_length, event->database,
@@ -1761,9 +1761,9 @@ static int log_rename(const struct connection_info *cn,
   (void) time(&ctime);
   csize= log_header(message, sizeof(message)-1, &ctime,
                     servhost, servhost_len,
-                    event->user, SAFE_STRLEN(event->user),
-                    event->host, SAFE_STRLEN(event->host),
-                    event->ip, SAFE_STRLEN(event->ip),
+                    event->user, (unsigned int)SAFE_STRLEN(event->user),
+                    event->host, (unsigned int)SAFE_STRLEN(event->host),
+                    event->ip, (unsigned int)SAFE_STRLEN(event->ip),
                     event->thread_id, cn->query_id, "RENAME");
   csize+= my_snprintf(message+csize, sizeof(message) - 1 - csize,
             ",%.*s,%.*s|%.*s.%.*s,",event->database_length, event->database,
@@ -2344,7 +2344,7 @@ static int server_audit_init(void *p __attribute__((unused)))
   if (gethostname(servhost, sizeof(servhost)))
     strcpy(servhost, "unknown");
 
-  servhost_len= strlen(servhost);
+  servhost_len= (uint)strlen(servhost);
 
   logger_init_mutexes();
 #if defined(HAVE_PSI_INTERFACE) && !defined(FLOGGER_NO_PSI)
diff --git a/plugin/server_audit/test_audit_v4.c b/plugin/server_audit/test_audit_v4.c
index ae7527f8449..85d45e35808 100644
--- a/plugin/server_audit/test_audit_v4.c
+++ b/plugin/server_audit/test_audit_v4.c
@@ -56,11 +56,11 @@ static int auditing_v4(MYSQL_THD thd, mysql_event_class_t class, const void *ev)
     ev_302.general_error_code= event->general_error_code;
     ev_302.general_thread_id= event->general_thread_id;
     ev_302.general_user= event->general_user.str;
-    ev_302.general_user_length= event->general_user.length;
+    ev_302.general_user_length= (unsigned int)event->general_user.length;
     ev_302.general_command= event->general_command.str;
-    ev_302.general_command_length= event->general_command.length;
+    ev_302.general_command_length= (unsigned int)event->general_command.length;
     ev_302.general_query= event->general_query.str;
-    ev_302.general_query_length= event->general_query.length;
+    ev_302.general_query_length= (unsigned int)event->general_query.length;
     ev_302.general_charset= event->general_charset;
     ev_302.general_time= event->general_time;
     ev_302.general_rows= event->general_rows;
diff --git a/plugin/simple_password_check/simple_password_check.c b/plugin/simple_password_check/simple_password_check.c
index 8b460c5ed9d..977a7487b78 100644
--- a/plugin/simple_password_check/simple_password_check.c
+++ b/plugin/simple_password_check/simple_password_check.c
@@ -25,7 +25,7 @@ static unsigned min_length, min_digits, min_letters, min_others;
 
 static int validate(MYSQL_LEX_STRING *username, MYSQL_LEX_STRING *password)
 {
-  unsigned digits=0 , uppers=0 , lowers=0, others=0, length= password->length;
+  unsigned digits=0 , uppers=0 , lowers=0, others=0, length= (unsigned)password->length;
   const char *ptr= password->str, *end= ptr + length;
 
   if (strncmp(password->str, username->str, length) == 0)
diff --git a/sql/sql_bootstrap.cc b/sql/sql_bootstrap.cc
index 4ef9885b34d..9733831b41f 100644
--- a/sql/sql_bootstrap.cc
+++ b/sql/sql_bootstrap.cc
@@ -82,14 +82,14 @@ int read_bootstrap_query(char *query, int *query_length,
     */
     if (query_len + len + 1 >= MAX_BOOTSTRAP_QUERY_SIZE)
     {
-      int new_len= MAX_BOOTSTRAP_QUERY_SIZE - query_len - 1;
+      size_t new_len= MAX_BOOTSTRAP_QUERY_SIZE - query_len - 1;
       if ((new_len > 0) && (query_len < MAX_BOOTSTRAP_QUERY_SIZE))
       {
         memcpy(query + query_len, line, new_len);
         query_len+= new_len;
       }
       query[query_len]= '\0';
-      *query_length= query_len;
+      *query_length= (int)query_len;
       return READ_BOOTSTRAP_QUERY_SIZE;
     }
 
@@ -111,7 +111,7 @@ int read_bootstrap_query(char *query, int *query_length,
         Return the query found.
       */
       query[query_len]= '\0';
-      *query_length= query_len;
+      *query_length= (int)query_len;
       return READ_BOOTSTRAP_SUCCESS;
     }
   }
diff --git a/strings/ctype-bin.c b/strings/ctype-bin.c
index 0bbbd282530..612fdbab38c 100644
--- a/strings/ctype-bin.c
+++ b/strings/ctype-bin.c
@@ -402,7 +402,7 @@ my_strnxfrm_8bit_bin(CHARSET_INFO *cs,
   if (dst != src)
     memcpy(dst, src, srclen);
   return my_strxfrm_pad_desc_and_reverse(cs, dst, dst + srclen, dst + dstlen,
-                                         nweights - srclen, flags, 0);
+                                         (uint)(nweights - srclen), flags, 0);
 }
 
 
@@ -416,7 +416,7 @@ my_strnxfrm_8bit_nopad_bin(CHARSET_INFO *cs,
   if (dst != src)
     memcpy(dst, src, srclen);
   return my_strxfrm_pad_desc_and_reverse_nopad(cs, dst, dst + srclen,
-                                               dst + dstlen, nweights - srclen,
+                                               dst + dstlen,(uint)(nweights - srclen),
                                                flags, 0);
 }
 
@@ -464,13 +464,13 @@ skip:
         if (nmatch > 0)
 	{
 	  match[0].beg= 0;
-	  match[0].end= (size_t) (str- (const uchar*)b-1);
+	  match[0].end= (uint) (str- (const uchar*)b-1);
 	  match[0].mb_len= match[0].end;
 
 	  if (nmatch > 1)
 	  {
 	    match[1].beg= match[0].end;
-	    match[1].end= match[0].end+s_length;
+	    match[1].end= (uint)(match[0].end+s_length);
 	    match[1].mb_len= match[1].end-match[1].beg;
 	  }
 	}
diff --git a/strings/ctype-mb.c b/strings/ctype-mb.c
index bfd533e6f98..19caa22edb4 100644
--- a/strings/ctype-mb.c
+++ b/strings/ctype-mb.c
@@ -528,12 +528,12 @@ uint my_instr_mb(CHARSET_INFO *cs,
         if (nmatch)
         {
           match[0].beg= 0;
-          match[0].end= (size_t) (b-b0);
+          match[0].end= (uint) (b-b0);
           match[0].mb_len= res;
           if (nmatch > 1)
           {
             match[1].beg= match[0].end;
-            match[1].end= match[0].end+s_length;
+            match[1].end= (uint)(match[0].end+s_length);
             match[1].mb_len= 0;	/* Not computed */
           }
         }
diff --git a/strings/ctype-simple.c b/strings/ctype-simple.c
index fc5218caba1..d6e5f02d463 100644
--- a/strings/ctype-simple.c
+++ b/strings/ctype-simple.c
@@ -78,8 +78,8 @@ size_t my_strnxfrm_simple_internal(CHARSET_INFO * cs,
   const uchar *map= cs->sort_order;
   uchar *d0= dst;
   uint frmlen;
-  if ((frmlen= MY_MIN(dstlen, *nweights)) > srclen)
-    frmlen= srclen;
+  if ((frmlen= (uint)MY_MIN(dstlen, *nweights)) > srclen)
+    frmlen= (uint)srclen;
   if (dst != src)
   {
     const uchar *end;
@@ -321,7 +321,7 @@ size_t my_snprintf_8bit(CHARSET_INFO *cs  __attribute__((unused)),
 		     const char* fmt, ...)
 {
   va_list args;
-  int result;
+  size_t result;
   va_start(args,fmt);
   result= my_vsnprintf(to, n, fmt, args);
   va_end(args);
@@ -1226,13 +1226,13 @@ skip:
 	if (nmatch > 0)
 	{
 	  match[0].beg= 0;
-	  match[0].end= (size_t) (str- (const uchar*)b-1);
+	  match[0].end= (uint) (str- (const uchar*)b-1);
 	  match[0].mb_len= match[0].end;
 	  
 	  if (nmatch > 1)
 	  {
 	    match[1].beg= match[0].end;
-	    match[1].end= match[0].end+s_length;
+	    match[1].end= (uint)(match[0].end+s_length);
 	    match[1].mb_len= match[1].end-match[1].beg;
 	  }
 	}
diff --git a/strings/ctype-tis620.c b/strings/ctype-tis620.c
index 5e24c84056c..bfd8b0db1d5 100644
--- a/strings/ctype-tis620.c
+++ b/strings/ctype-tis620.c
@@ -449,7 +449,7 @@ static const uchar sort_order_tis620[]=
 static size_t thai2sortable(uchar *tstr, size_t len)
 {
   uchar	*p;
-  int	tlen;
+  size_t	tlen;
   uchar	l2bias;
 
   tlen= len;
@@ -609,10 +609,10 @@ my_strnxfrm_tis620(CHARSET_INFO *cs,
   set_if_smaller(dstlen, nweights);
   set_if_smaller(len, dstlen); 
   len= my_strxfrm_pad_desc_and_reverse(cs, dst, dst + len, dst + dstlen,
-                                       dstlen - len, flags, 0);
+                                       (uint)(dstlen - len), flags, 0);
   if ((flags & MY_STRXFRM_PAD_TO_MAXLEN) && len < dstlen0)
   {
-    uint fill_length= dstlen0 - len;
+    size_t fill_length= dstlen0 - len;
     cs->cset->fill(cs, (char*) dst + len, fill_length, cs->pad_char);
     len= dstlen0;
   }
@@ -632,10 +632,10 @@ my_strnxfrm_tis620_nopad(CHARSET_INFO *cs,
   set_if_smaller(dstlen, nweights);
   set_if_smaller(len, dstlen);
   len= my_strxfrm_pad_desc_and_reverse_nopad(cs, dst, dst + len, dst + dstlen,
-                                             dstlen - len, flags, 0);
+                                             (uint)(dstlen - len), flags, 0);
   if ((flags & MY_STRXFRM_PAD_TO_MAXLEN) && len < dstlen0)
   {
-    uint fill_length= dstlen0 - len;
+    size_t fill_length= dstlen0 - len;
     memset(dst + len, 0x00, fill_length);
     len= dstlen0;
   }
diff --git a/strings/ctype-uca.c b/strings/ctype-uca.c
index e3ed531df93..f75b5c7c7a4 100644
--- a/strings/ctype-uca.c
+++ b/strings/ctype-uca.c
@@ -31260,7 +31260,7 @@ static my_bool
 my_uca_alloc_contractions(MY_CONTRACTIONS *contractions,
                           MY_CHARSET_LOADER *loader, size_t n)
 {
-  uint size= n * sizeof(MY_CONTRACTION);
+  size_t size= n * sizeof(MY_CONTRACTION);
   if (!(contractions->item= (loader->once_alloc)(size)) ||
       !(contractions->flags= (char *) (loader->once_alloc)(MY_UCA_CNT_FLAG_SIZE)))
     return 1;
@@ -34005,7 +34005,7 @@ apply_one_rule(MY_CHARSET_LOADER *loader,
   {
     MY_CONTRACTIONS *contractions= &dst->contractions;
     to= my_uca_init_one_contraction(contractions,
-                                    r->curr, nshift, r->with_context);
+                                    r->curr, (uint)nshift, r->with_context);
     /* Store weights of the "reset to" character */
     dst->contractions.nitems--; /* Temporarily hide - it's incomplete */
     rc= my_char_weight_put(dst,
@@ -34202,9 +34202,9 @@ init_weight_level(MY_CHARSET_LOADER *loader, MY_COLL_RULES *rules,
       ncontractions++;
   }
 
-  ncontractions += src->contractions.nitems;
+  ncontractions += (int)src->contractions.nitems;
 
-  if ((my_uca_generate_pages(loader, dst, src, npages)))
+  if ((my_uca_generate_pages(loader, dst, src, (uint)npages)))
     return TRUE;
 
   if (ncontractions)
diff --git a/strings/ctype-ucs2.c b/strings/ctype-ucs2.c
index cba44afc926..80bb6745b19 100644
--- a/strings/ctype-ucs2.c
+++ b/strings/ctype-ucs2.c
@@ -1078,7 +1078,7 @@ my_fill_mb2(CHARSET_INFO *cs, char *s, size_t slen, int fill)
 }
 
 
-static int
+static size_t
 my_vsnprintf_mb2(char *dst, size_t n, const char* fmt, va_list ap)
 {
   char *start=dst, *end= dst + n - 1;
@@ -2327,7 +2327,7 @@ my_charlen_utf32(CHARSET_INFO *cs __attribute__((unused)),
 /* Defines my_well_formed_char_length_utf32 */
 
 
-static int
+static size_t
 my_vsnprintf_utf32(char *dst, size_t n, const char* fmt, va_list ap)
 {
   char *start= dst, *end= dst + n;
diff --git a/strings/ctype.c b/strings/ctype.c
index 0aed6c8bf52..64ebd51676f 100644
--- a/strings/ctype.c
+++ b/strings/ctype.c
@@ -904,11 +904,11 @@ my_string_metadata_get(MY_STRING_METADATA *metadata,
   if (cs->mbmaxlen == 1 && !(cs->state & MY_CS_NONASCII))
   {
     metadata->char_length= length;
-    metadata->repertoire= my_string_repertoire_8bit(cs, str, length);
+    metadata->repertoire= my_string_repertoire_8bit(cs, str, (ulong)length);
   }
   else
   {
-    my_string_metadata_get_mb(metadata, cs, str, length);
+    my_string_metadata_get_mb(metadata, cs, str, (ulong)length);
   }
 }
 
diff --git a/strings/my_vsnprintf.c b/strings/my_vsnprintf.c
index 34ec811adac..c6d9e8530dd 100644
--- a/strings/my_vsnprintf.c
+++ b/strings/my_vsnprintf.c
@@ -92,10 +92,10 @@ static const char *get_length(const char *fmt, size_t *length, uint *pre_zero)
 */
 
 static const char *get_length_arg(const char *fmt, ARGS_INFO *args_arr,
-                                  uint *arg_count, size_t *length, uint *flags)
+                                  size_t *arg_count, size_t *length, uint *flags)
 {
   fmt= get_length(fmt+1, length, flags);
-  *arg_count= MY_MAX(*arg_count, (uint) *length);
+  *arg_count= MY_MAX(*arg_count, *length);
   (*length)--;    
   DBUG_ASSERT(*fmt == '$' && *length < MAX_ARGS);
   args_arr[*length].arg_type= 'd';
@@ -330,7 +330,7 @@ static char *process_args(CHARSET_INFO *cs, char *to, char *end,
 {
   ARGS_INFO args_arr[MAX_ARGS];
   PRINT_INFO print_arr[MAX_PRINT_INFO];
-  uint idx= 0, arg_count= arg_index;
+  size_t idx= 0, arg_count= arg_index;
 
 start:
   /* Here we are at the beginning of positional argument, right after $ */
diff --git a/vio/viopipe.c b/vio/viopipe.c
index f9af50bc3c9..d3447a95c6e 100644
--- a/vio/viopipe.c
+++ b/vio/viopipe.c
@@ -78,7 +78,7 @@ size_t vio_read_pipe(Vio *vio, uchar *buf, size_t count)
   disable_iocp_notification(&vio->overlapped);
 
   /* Attempt to read from the pipe (overlapped I/O). */
-  if (ReadFile(vio->hPipe, buf, count, &transferred, &vio->overlapped))
+  if (ReadFile(vio->hPipe, buf, (DWORD)count, &transferred, &vio->overlapped))
   {
     /* The operation completed immediately. */
     ret= transferred;
@@ -101,7 +101,7 @@ size_t vio_write_pipe(Vio *vio, const uchar *buf, size_t count)
 
   disable_iocp_notification(&vio->overlapped);
   /* Attempt to write to the pipe (overlapped I/O). */
-  if (WriteFile(vio->hPipe, buf, count, &transferred, &vio->overlapped))
+  if (WriteFile(vio->hPipe, buf, (DWORD)count, &transferred, &vio->overlapped))
   {
     /* The operation completed immediately. */
     ret= transferred;
diff --git a/vio/viosocket.c b/vio/viosocket.c
index cb353c1ce75..6d76d99eb99 100644
--- a/vio/viosocket.c
+++ b/vio/viosocket.c
@@ -1296,7 +1296,7 @@ int vio_getnameinfo(const struct sockaddr *sa,
   }
 
   return getnameinfo(sa, sa_length,
-                     hostname, hostname_size,
-                     port, port_size,
+                     hostname, (uint)hostname_size,
+                     port, (uint)port_size,
                      flags);
 }
diff --git a/vio/viossl.c b/vio/viossl.c
index e7cc85ea539..000a526a892 100644
--- a/vio/viossl.c
+++ b/vio/viossl.c
@@ -141,10 +141,10 @@ size_t vio_ssl_read(Vio *vio, uchar *buf, size_t size)
                        vio->ssl_arg));
 
   if (vio->async_context && vio->async_context->active)
-    ret= my_ssl_read_async(vio->async_context, (SSL *)vio->ssl_arg, buf, size);
+    ret= my_ssl_read_async(vio->async_context, (SSL *)vio->ssl_arg, buf, (int)size);
   else
   {
-    while ((ret= SSL_read(ssl, buf, size)) < 0)
+    while ((ret= SSL_read(ssl, buf, (int)size)) < 0)
     {
       enum enum_vio_io_event event;
       
@@ -174,10 +174,10 @@ size_t vio_ssl_write(Vio *vio, const uchar *buf, size_t size)
 
   if (vio->async_context && vio->async_context->active)
     ret= my_ssl_write_async(vio->async_context, (SSL *)vio->ssl_arg, buf,
-                            size);
+                            (int)size);
   else
   {
-    while ((ret= SSL_write(ssl, buf, size)) < 0)
+    while ((ret= SSL_write(ssl, buf, (int)size)) < 0)
     {
       enum enum_vio_io_event event;
 
@@ -200,7 +200,7 @@ size_t vio_ssl_write(Vio *vio, const uchar *buf, size_t size)
 static long yassl_recv(void *ptr, void *buf, size_t len,
                        int flag __attribute__((unused)))
 {
-  return vio_read(ptr, buf, len);
+  return (long)vio_read(ptr, buf, len);
 }
 
 
@@ -208,7 +208,7 @@ static long yassl_recv(void *ptr, void *buf, size_t len,
 static long yassl_send(void *ptr, const void *buf, size_t len,
                        int flag __attribute__((unused)))
 {
-  return vio_write(ptr, buf, len);
+  return (long)vio_write(ptr, buf, len);
 }
 
 #endif