Remove some NULL checks from the TUI

I found a few spots in the TUI that were NULL-checking the result of
XNEW.  This cannot return NULL, so this patch removes the checks.

gdb/ChangeLog
2019-06-16  Tom Tromey  <tom@tromey.com>

	* tui/tui-data.c (tui_alloc_generic_win_info)
	(tui_alloc_win_info, tui_add_content_elements): Remove NULL
	checks.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index af91a3c..6e58fc8 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-16  Tom Tromey  <tom@tromey.com>
+
+       * tui/tui-data.c (tui_alloc_generic_win_info)
+       (tui_alloc_win_info, tui_add_content_elements): Remove NULL
+       checks.
+
 2019-06-16  Bernhard Heckel  <bernhard.heckel@intel.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>
 

diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c
index d5f7c73..7c14305 100644 (file)
--- a/gdb/tui/tui-data.c
+++ b/gdb/tui/tui-data.c
@@ -424,8 +424,7 @@ tui_alloc_generic_win_info (void)
 {
   struct tui_gen_win_info *win = XNEW (struct tui_gen_win_info);
 
-  if (win != NULL)
-    tui_init_generic_part (win);
+  tui_init_generic_part (win);
 
   return win;
 }
@@ -537,11 +536,8 @@ tui_alloc_win_info (enum tui_win_type type)
 {
   struct tui_win_info *win_info = XNEW (struct tui_win_info);
 
-  if (win_info != NULL)
-    {
-      win_info->generic.type = type;
-      init_win_info (win_info);
-    }
+  win_info->generic.type = type;
+  init_win_info (win_info);
 
   return win_info;
 }
@@ -602,15 +598,9 @@ tui_add_content_elements (struct tui_gen_win_info *win_info,
       for (i = index_start; (i < num_elements + index_start); i++)
        {
          element_ptr = XNEW (struct tui_win_element);
-         if (element_ptr != NULL)
-           {
-             win_info->content[i] = element_ptr;
-             init_content_element (element_ptr, win_info->type);
-             win_info->content_size++;
-           }
-         else  /* Things must be really hosed now!  We ran out of
-                  memory!?  */
-           return (-1);
+         win_info->content[i] = element_ptr;
+         init_content_element (element_ptr, win_info->type);
+         win_info->content_size++;
        }
     }