Backport: remove dead code.

Reorganize function to reflect that it does not actually uses curses
and that there is no curses variant.

include/my_sys.h

@@ -41,8 +41,6 @@ extern int NEAR my_errno;		/* Last error in mysys */
 #include <malloc.h> /*for alloca*/
 #endif
 
-#define MYSYS_PROGRAM_USES_CURSES()  { error_handler_hook = my_message_curses;	mysys_uses_curses=1; }
-#define MYSYS_PROGRAM_DONT_USE_CURSES()  { error_handler_hook = my_message_no_curses; mysys_uses_curses=0;}
 #define MY_INIT(name);		{ my_progname= name; my_init(); }
 
 /**
@@ -272,7 +270,7 @@ extern int NEAR my_umask_dir,
 	   NEAR my_recived_signals,	/* Signals we have got */
 	   NEAR my_safe_to_handle_signal, /* Set when allowed to SIGTSTP */
 	   NEAR my_dont_interrupt;	/* call remember_intr when set */
-extern my_bool NEAR mysys_uses_curses, my_use_symdir;
+extern my_bool NEAR my_use_symdir;
 extern size_t sf_malloc_cur_memory, sf_malloc_max_memory;
 
 extern ulong	my_default_record_cache_size;
@@ -669,7 +667,6 @@ extern int nt_share_delete(const char *name,myf MyFlags);
 
 #ifdef _WIN32
 /* Windows-only functions (CRT equivalents)*/
-extern File     my_sopen(const char *path, int oflag, int shflag, int pmode);
 extern HANDLE   my_get_osfhandle(File fd);
 extern void     my_osmaperr(unsigned long last_error);
 #endif
@@ -698,8 +695,7 @@ extern int my_error_register(const char** (*get_errmsgs) (),
                              int first, int last);
 extern const char **my_error_unregister(int first, int last);
 extern void my_message(uint my_err, const char *str,myf MyFlags);
-extern void my_message_no_curses(uint my_err, const char *str,myf MyFlags);
-extern void my_message_curses(uint my_err, const char *str,myf MyFlags);
+extern void my_message_stderr(uint my_err, const char *str, myf MyFlags);
 extern my_bool my_basic_init(void);
 extern my_bool my_init(void);
 extern void my_end(int infoflag);

mysys/CMakeLists.txt

@@ -27,7 +27,7 @@ SET(MYSYS_SOURCES  array.c charset-def.c charset.c checksum.c default.c default_
 				my_clock.c my_compress.c my_copy.c my_crc32.c my_create.c my_delete.c
 				my_div.c my_error.c my_file.c my_fopen.c my_fstream.c my_gethostbyname.c 
 				my_gethwaddr.c my_getopt.c my_getsystime.c my_getwd.c my_handler.c my_init.c
-				my_lib.c my_lock.c my_lockmem.c my_malloc.c my_messnc.c
+				my_lib.c my_lock.c my_lockmem.c my_malloc.c my_mess.c
 				my_mkdir.c my_mmap.c my_net.c my_once.c my_open.c my_pread.c my_pthread.c 
 				my_quick.c my_read.c my_realloc.c my_redel.c my_rename.c my_seek.c my_sleep.c
 				my_static.c my_symlink.c my_symlink2.c my_sync.c my_thr_init.c 

mysys/Makefile.am

@@ -34,7 +34,7 @@ libmysys_a_SOURCES =    my_init.c my_getwd.c mf_getdate.c my_mmap.c \
 			my_vle.c my_atomic.c lf_hash.c \
 			lf_dynarray.c lf_alloc-pin.c \
 			my_fopen.c my_fstream.c my_getsystime.c \
-			my_error.c errors.c my_div.c my_messnc.c \
+			my_error.c errors.c my_div.c my_mess.c \
 			mf_format.c mf_same.c mf_dirname.c mf_fn_ext.c \
 			my_symlink.c my_symlink2.c \
 			mf_pack.c mf_unixpath.c mf_arr_appstr.c \

mysys/my_init.c

@@ -204,7 +204,7 @@ void my_end(int infoflag)
       char ebuff[512];
       my_snprintf(ebuff, sizeof(ebuff), EE(EE_OPEN_WARNING),
                   my_file_opened, my_stream_opened);
-      my_message_no_curses(EE_OPEN_WARNING, ebuff, ME_BELL);
+      my_message_stderr(EE_OPEN_WARNING, ebuff, ME_BELL);
       DBUG_PRINT("error", ("%s", ebuff));
       my_print_open_files();
     }

mysys/my_messnc.c → mysys/my_mess.c

@@ -15,10 +15,10 @@
 
 #include "mysys_priv.h"
 
-void my_message_no_curses(uint error __attribute__((unused)),
+void my_message_stderr(uint error __attribute__((unused)),
                        const char *str, myf MyFlags)
 {
-  DBUG_ENTER("my_message_no_curses");
+  DBUG_ENTER("my_message_stderr");
   DBUG_PRINT("enter",("message: %s",str));
   (void) fflush(stdout);
   if (MyFlags & ME_BELL)

mysys/my_static.c

@@ -87,10 +87,10 @@ ulong my_time_to_wait_for_lock=2;	/* In seconds */
 char * NEAR globerrs[GLOBERRS];		/* my_error_messages is here */
 #endif
 void (*my_abort_hook)(int) = (void(*)(int)) exit;
-void (*error_handler_hook)(uint error,const char *str,myf MyFlags)=
-    my_message_no_curses;
-void (*fatal_error_handler_hook)(uint error,const char *str,myf MyFlags)=
-  my_message_no_curses;
+void (*error_handler_hook)(uint error, const char *str, myf MyFlags)=
+  my_message_stderr;
+void (*fatal_error_handler_hook)(uint error, const char *str, myf MyFlags)=
+  my_message_stderr;
 
 static const char *proc_info_dummy(void *a __attribute__((unused)),
                                    const char *b __attribute__((unused)),
@@ -123,7 +123,6 @@ my_bool NEAR my_disable_locking=0;
 my_bool NEAR my_disable_async_io=0;
 my_bool NEAR my_disable_flush_key_blocks=0;
 my_bool NEAR my_disable_symlinks=0;
-my_bool NEAR mysys_uses_curses=0;
 
 /*
   Note that PSI_hook and PSI_server are unconditionally

sql/init.cc

@@ -33,7 +33,7 @@ void unireg_init(ulong options)
 {
   DBUG_ENTER("unireg_init");
 
-  MYSYS_PROGRAM_DONT_USE_CURSES();
+  error_handler_hook = my_message_stderr;
   abort_loop=0;
 
   my_disable_async_io=1;		/* aioread is only in shared library */

sql/mysqld.cc

@@ -3601,7 +3601,6 @@ static int init_common_variables()
   if (item_create_init())
     return 1;
   item_init();
-  mysys_uses_curses=0;
 #ifdef USE_REGEX
   my_regex_init(&my_charset_latin1);
 #endif