MDEV-14265 - RPMLint warning: shared-lib-calls-exit

Eliminated last exit() call from libmysqld.

client/mysql.cc

@@ -1175,11 +1175,7 @@ int main(int argc,char *argv[])
       close(stdout_fileno_copy);             /* Clean up dup(). */
   }
 
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-  {
-    my_end(0);
-    exit(1);
-  }
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   defaults_argv=argv;
   if ((status.exit_status= get_options(argc, (char **) argv)))
     mysql_end(-1);

client/mysql_upgrade.c

@@ -1133,6 +1133,8 @@ int main(int argc, char **argv)
   char self_name[FN_REFLEN + 1];
 
   MY_INIT(argv[0]);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
+  defaults_argv= argv; /* Must be freed by 'free_defaults' */
 
 #if __WIN__
   if (GetModuleFileName(NULL, self_name, FN_REFLEN) == 0)
@@ -1145,10 +1147,6 @@ int main(int argc, char **argv)
       init_dynamic_string(&conn_args, "", 512, 256))
     die("Out of memory");
 
-  if (load_defaults("my", load_default_groups, &argc, &argv))
-    die(NULL);
-  defaults_argv= argv; /* Must be freed by 'free_defaults' */
-
   if (handle_options(&argc, &argv, my_long_options, get_one_option))
     die(NULL);
   if (debug_info_flag)

client/mysqladmin.cc

@@ -319,8 +319,7 @@ int main(int argc,char *argv[])
   MY_INIT(argv[0]);
   mysql_init(&mysql);
   sf_leaking_memory=1; /* don't report memory leaks on early exits */
-  if ((error= load_defaults("my",load_default_groups,&argc,&argv)))
-    goto err1;
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   save_argv = argv;				/* Save for free_defaults */
 
   if ((error=handle_options(&argc, &argv, my_long_options, get_one_option)))
@@ -500,10 +499,8 @@ err2:
   my_free(shared_memory_base_name);
 #endif
   free_defaults(save_argv);
-err1:
   my_end(my_end_arg);
-  exit(error);
-  return 0;
+  return error;
 }
 
 

client/mysqlbinlog.cc

@@ -2666,9 +2666,7 @@ int main(int argc, char** argv)
   tzset(); // set tzname
 
   init_alloc_root(&s_mem_root, 16384, 0, MYF(0));
-  if (load_defaults("my", load_groups, &argc, &argv))
-    exit(1);
-
+  load_defaults_or_exit("my", load_groups, &argc, &argv);
   defaults_argv= argv;
 
   if (!(binlog_filter= new Rpl_filter))

client/mysqlcheck.c

@@ -1165,9 +1165,7 @@ int main(int argc, char **argv)
   /*
   ** Check out the args
   */
-  if (load_defaults("my", load_default_groups, &argc, &argv))
-    goto end2;
-
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   defaults_argv= argv;
   if (get_options(&argc, &argv))
     goto end1;
@@ -1243,7 +1241,6 @@ int main(int argc, char **argv)
   my_free(shared_memory_base_name);
   mysql_library_end();
   free_defaults(defaults_argv);
- end2:
   my_end(my_end_arg);
   return ret;
 } /* main */

client/mysqldump.c

@@ -976,8 +976,7 @@ static int get_options(int *argc, char ***argv)
   opt_net_buffer_length= *mysql_params->p_net_buffer_length;
 
   md_result_file= stdout;
-  if (load_defaults("my",load_default_groups,argc,argv))
-    return 1;
+  load_defaults_or_exit("my", load_default_groups, argc, argv);
   defaults_argv= *argv;
 
   if (my_hash_init(&ignore_table, charset_info, 16, 0, 0,

client/mysqlimport.c

@@ -641,8 +641,7 @@ int main(int argc, char **argv)
   MY_INIT(argv[0]);
   sf_leaking_memory=1; /* don't report memory leaks on early exits */
 
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-    return 1;
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   /* argv is changed in the program */
   argv_to_free= argv;
   if (get_options(&argc, &argv))

client/mysqlshow.c

@@ -71,8 +71,7 @@ int main(int argc, char **argv)
   static char **defaults_argv;
   MY_INIT(argv[0]);
   sf_leaking_memory=1; /* don't report memory leaks on early exits */
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-    exit(1);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   defaults_argv=argv;
 
   get_options(&argc,&argv);

client/mysqlslap.c

@@ -325,11 +325,7 @@ int main(int argc, char **argv)
   MY_INIT(argv[0]);
   sf_leaking_memory=1; /* don't report memory leaks on early exits */
 
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-  {
-    my_end(0);
-    exit(1);
-  }
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   defaults_argv=argv;
   if (get_options(&argc,&argv))
   {

client/mysqltest.cc

@@ -7299,9 +7299,7 @@ get_one_option(int optid, const struct my_option *opt, char *argument)
 
 int parse_args(int argc, char **argv)
 {
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-    exit(1);
-
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
 
   if ((handle_options(&argc, &argv, my_long_options, get_one_option)))

extra/mariabackup/xbcloud.cc

@@ -443,9 +443,7 @@ int parse_args(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	}
 
-	if (load_defaults("my", load_default_groups, &argc, &argv)) {
-		exit(EXIT_FAILURE);
-	}
+	load_defaults_or_exit("my", load_default_groups, &argc, &argv);
 
 	if (handle_options(&argc, &argv, my_long_options, get_one_option)) {
 		exit(EXIT_FAILURE);

extra/mariabackup/xtrabackup.cc

@@ -6350,10 +6350,8 @@ handle_options(int argc, char **argv, char ***argv_client, char ***argv_server)
 
 	*argv_client = argv;
 	*argv_server = argv;
-	if (load_defaults(conf_file, xb_server_default_groups,
-			  &argc_server, argv_server)) {
-		exit(EXIT_FAILURE);
-	}
+	load_defaults_or_exit(conf_file, xb_server_default_groups,
+			      &argc_server, argv_server);
 
 	int n;
 	for (n = 0; (*argv_server)[n]; n++) {};
@@ -6403,10 +6401,8 @@ handle_options(int argc, char **argv, char ***argv_client, char ***argv_server)
 					xb_server_options, xb_get_one_option)))
 		exit(ho_error);
 
-	if (load_defaults(conf_file, xb_client_default_groups,
-			  &argc_client, argv_client)) {
-		exit(EXIT_FAILURE);
-	}
+	load_defaults_or_exit(conf_file, xb_client_default_groups,
+			      &argc_client, argv_client);
 
 	for (n = 0; (*argv_client)[n]; n++) {};
  	argc_client = n;

extra/my_print_defaults.c

@@ -206,6 +206,9 @@ int main(int argc, char **argv)
   if ((error= load_defaults(config_file, (const char **) load_default_groups,
 			   &count, &arguments)))
   {
+    my_end(0);
+    if (error == 4)
+      return 0;
     if (verbose && opt_defaults_file_used)
     {
       if (error == 1)
@@ -216,8 +219,7 @@ int main(int argc, char **argv)
 	fprintf(stderr, "WARNING: Defaults file '%s' is not a regular file!\n",
 		config_file);
     }
-    error= 2;
-    exit(error);
+    return 2;
   }
 
   for (argument= arguments+1 ; *argument ; argument++)

include/my_default.h

@@ -45,6 +45,13 @@ extern void free_defaults(char **argv);
 extern void my_print_default_files(const char *conf_file);
 extern void print_defaults(const char *conf_file, const char **groups);
 
+
+/** Simplify load_defaults() common use */
+#define load_defaults_or_exit(A, B, C, D) switch (load_defaults(A, B, C, D)) { \
+                                          case 0: break; \
+                                          case 4: my_end(0); exit(0); \
+                                          default: my_end(0); exit(1); }
+
 C_MODE_END
 
 #endif /* MY_DEFAULT_INCLUDED */

mysys/my_default.c

@@ -631,7 +631,7 @@ int my_load_defaults(const char *conf_file, const char **groups,
       if (!my_getopt_is_args_separator((*argv)[i])) /* skip arguments separator */
         printf("%s ", (*argv)[i]);
     puts("");
-    exit(0);
+    DBUG_RETURN(4);
   }
 
   if (default_directories)
@@ -641,7 +641,7 @@ int my_load_defaults(const char *conf_file, const char **groups,
 
  err:
   fprintf(stderr,"Fatal error in defaults handling. Program aborted\n");
-  return 2;
+  DBUG_RETURN(2);
 }
 
 

sql/mysqld.cc

@@ -5511,8 +5511,7 @@ int mysqld_main(int argc, char **argv)
   orig_argc= argc;
   orig_argv= argv;
   my_getopt_use_args_separator= TRUE;
-  if (load_defaults(MYSQL_CONFIG_NAME, load_default_groups, &argc, &argv))
-    return 1;
+  load_defaults_or_exit(MYSQL_CONFIG_NAME, load_default_groups, &argc, &argv);
   my_getopt_use_args_separator= FALSE;
   defaults_argc= argc;
   defaults_argv= argv;

sql/tztime.cc

@@ -2689,9 +2689,7 @@ main(int argc, char **argv)
   char **default_argv;
   MY_INIT(argv[0]);
 
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-    exit(1);
-
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
 
   if ((handle_options(&argc, &argv, my_long_options, get_one_option)))

storage/archive/archive_reader.c

@@ -408,8 +408,7 @@ static void print_version(void)
 
 static void get_options(int *argc, char ***argv)
 {
-  if (load_defaults("my", load_default_groups, argc, argv))
-    exit(1);
+  load_defaults_or_exit("my", load_default_groups, argc, argv);
   default_argv= *argv;
 
   handle_options(argc, argv, my_long_options, get_one_option);

storage/maria/maria_chk.c

@@ -895,7 +895,7 @@ static void get_options(register int *argc,register char ***argv)
 {
   int ho_error;
 
-  load_defaults("my", load_default_groups, argc, argv);
+  load_defaults_or_exit("my", load_default_groups, argc, argv);
   default_argv= *argv;
   check_param.testflag= T_UPDATE_STATE;
   if (isatty(fileno(stdout)))

storage/maria/maria_dump_log.c

@@ -133,7 +133,7 @@ int main(int argc, char **argv)
   uchar buffer[TRANSLOG_PAGE_SIZE];
   MY_INIT(argv[0]);
 
-  load_defaults("my", load_default_groups, &argc, &argv);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
   get_options(&argc, &argv);
 

storage/maria/maria_pack.c

@@ -208,7 +208,7 @@ int main(int argc, char **argv)
   char **default_argv;
   MY_INIT(argv[0]);
 
-  load_defaults("my",load_default_groups,&argc,&argv);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
   get_options(&argc,&argv);
   maria_init();

storage/maria/maria_read_log.c

@@ -47,7 +47,7 @@ int main(int argc, char **argv)
 
   maria_data_root= (char *)".";
   sf_leaking_memory=1; /* don't report memory leaks on early exits */
-  load_defaults("my", load_default_groups, &argc, &argv);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
   get_options(&argc, &argv);
 

storage/maria/unittest/ma_test_loghandler_multigroup-t.c

@@ -256,7 +256,7 @@ int main(int argc __attribute__((unused)), char *argv[])
 #endif
 
   long_buffer= malloc(LONG_BUFFER_SIZE + LSN_STORE_SIZE * 2 + 2);
-  load_defaults("my", load_default_groups, &argc, &argv);
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
   get_options(&argc, &argv);
 

storage/myisam/myisamchk.c

@@ -753,9 +753,7 @@ static void get_options(register int *argc,register char ***argv)
 {
   int ho_error;
 
-  if (load_defaults("my", load_default_groups, argc, argv))
-    exit(1);
-
+  load_defaults_or_exit("my", load_default_groups, argc, argv);
   default_argv= *argv;
   if (isatty(fileno(stdout)))
     check_param.testflag|=T_WRITE_LOOP;

storage/myisam/myisampack.c

@@ -209,9 +209,7 @@ int main(int argc, char **argv)
   char **default_argv;
   MY_INIT(argv[0]);
 
-  if (load_defaults("my",load_default_groups,&argc,&argv))
-    exit(1);
-
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
   default_argv= argv;
   get_options(&argc,&argv);
 

tests/mysql_client_fw.c

@@ -1409,8 +1409,7 @@ int main(int argc, char **argv)
   for (i= 0; i < argc; i++)
     original_argv[i]= strdup(argv[i]);
 
-  if (load_defaults("my", client_test_load_default_groups, &argc, &argv))
-    exit(1);
+  load_defaults_or_exit("my", client_test_load_default_groups, &argc, &argv);
 
   get_options(&argc, &argv);
   /* Set main opt_count. */

tests/mysql_client_test.c

@@ -7095,11 +7095,7 @@ static void test_embedded_start_stop()
     MY_INIT(argv[0]);
 
     /* Load the client defaults from the .cnf file[s]. */
-    if (load_defaults("my", client_test_load_default_groups, &argc, &argv))
-    {
-      myerror("load_defaults failed"); 
-      exit(1);
-    }
+    load_defaults_or_exit("my", client_test_load_default_groups, &argc, &argv);
 
     /* Parse the options (including the ones given from defaults files). */
     get_options(&argc, &argv);
@@ -7147,12 +7143,7 @@ static void test_embedded_start_stop()
 
   MY_INIT(argv[0]);
 
-  if (load_defaults("my", client_test_load_default_groups, &argc, &argv))
-  {
-    myerror("load_defaults failed \n "); 
-    exit(1);
-  }
-
+  load_defaults_or_exit("my", client_test_load_default_groups, &argc, &argv);
   get_options(&argc, &argv);
 
   /* Must start the main embedded server again after the test. */

tests/thread_test.c

@@ -168,8 +168,8 @@ static void get_options(int argc, char **argv)
 {
   int ho_error;
 
-  if ((ho_error= load_defaults("my",load_default_groups,&argc,&argv)) ||
-      (ho_error= handle_options(&argc, &argv, my_long_options, get_one_option)))
+  load_defaults_or_exit("my", load_default_groups, &argc, &argv);
+  if ((ho_error= handle_options(&argc, &argv, my_long_options, get_one_option)))
     exit(ho_error);
 
   free_defaults(argv);