From: brobecke <brobecke>
Date: Fri, 16 Apr 2010 04:34:30 +0000 (+0000)
Subject:         * tui/tui-regs.c (tui_display_register): Add comment about
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8972aef8267aa3895f2f0160408f82387fb561fe;p=pf3gnuchains%2Fpf3gnuchains4x.git

    * tui/tui-regs.c (tui_display_register): Add comment about
        a couple of casts.
        * tui/tui-stack.c (tui_show_locator_content): Ditto.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0a8f5b1c78..7c2ec949ae 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-16  Joel Brobecker  <brobecker@adacore.com>
+
+	* tui/tui-regs.c (tui_display_register): Add comment about
+	a couple of casts.
+	* tui/tui-stack.c (tui_show_locator_content): Ditto.
+
 2010-04-15  Stan Shebs  <stan@codesourcery.com>
 
 	* frame.c: Include tracepoint.h.
diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
index 8cbd338aae..a339beadc6 100644
--- a/gdb/tui/tui-regs.c
+++ b/gdb/tui/tui-regs.c
@@ -541,6 +541,11 @@ tui_display_register (struct tui_data_element *data,
       int i;
 
       if (data->highlight)
+	/* We ignore the return value, casting it to void in order to avoid
+	   a compiler warning.  The warning itself was introduced by a patch
+	   to ncurses 5.7 dated 2009-08-29, changing this macro to expand
+	   to code that causes the compiler to generate an unused-value
+	   warning.  */
 	(void) wstandout (win_info->handle);
       
       wmove (win_info->handle, 0, 0);
@@ -551,6 +556,11 @@ tui_display_register (struct tui_data_element *data,
         waddstr (win_info->handle, data->content);
 
       if (data->highlight)
+	/* We ignore the return value, casting it to void in order to avoid
+	   a compiler warning.  The warning itself was introduced by a patch
+	   to ncurses 5.7 dated 2009-08-29, changing this macro to expand
+	   to code that causes the compiler to generate an unused-value
+	   warning.  */
 	(void) wstandend (win_info->handle);
       tui_refresh_win (win_info);
     }
diff --git a/gdb/tui/tui-stack.c b/gdb/tui/tui-stack.c
index 1630beaa59..d6b514d1d2 100644
--- a/gdb/tui/tui-stack.c
+++ b/gdb/tui/tui-stack.c
@@ -256,6 +256,11 @@ tui_show_locator_content (void)
 
       string = tui_make_status_line (&element->which_element.locator);
       wmove (locator->handle, 0, 0);
+      /* We ignore the return value from wstandout and wstandend, casting
+	 them to void in order to avoid a compiler warning.  The warning
+	 itself was introduced by a patch to ncurses 5.7 dated 2009-08-29,
+	 changing these macro to expand to code that causes the compiler
+	 to generate an unused-value warning.  */
       (void) wstandout (locator->handle);
       waddstr (locator->handle, string);
       wclrtoeol (locator->handle);