From: Doug Evans <dje@google.com>
Date: Sat, 14 May 2011 05:44:37 +0000 (+0000)
Subject: 	* ui-file.c (stdio_file_write_async_safe): Add comment.
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;ds=sidebyside;h=9f7bc58762d1cf691e917f9116961aa3faaf721d;hp=093cee7d54d23c98e9efca824653d4e63f95b222;p=deliverable%2Fbinutils-gdb.git

	* ui-file.c (stdio_file_write_async_safe): Add comment.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a2abac7fe1..5ee25e90b3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-13  Doug Evans  <dje@google.com>
+
+	* ui-file.c (stdio_file_write_async_safe): Add comment.
+
 2011-05-14  Hui Zhu  <teawater@gmail.com>
 
 	* ui-file.c (stdio_file_write_async_safe): Add empty check for build.
diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index 6bb2342e74..ce270f6cce 100644
--- a/gdb/ui-file.c
+++ b/gdb/ui-file.c
@@ -580,6 +580,9 @@ stdio_file_write_async_safe (struct ui_file *file,
       return;
     }
 
+  /* This is written the way it is to avoid a warning from gcc about not using the
+     result of write (since it can be declared with attribute warn_unused_result).
+     Alas casting to void doesn't work for this.  */
   if (write (stdio->fd, buf, length_buf))
     ;
 }