malloc: remove redundant getenv call

* malloc/memusage.c (me): Remove redundant getenv call.
git-mirror · Nov 24, 2015 · 87d0eec · 87d0eec
1 parent 2359035
commit 87d0eec
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-24  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>
+
+	* malloc/memusage.c (me): Remove redundant getenv call.
+
 2015-10-24  Florian Weimer  <fweimer@redhat.com>
 
 	[BZ #19143]

diff --git a/malloc/memusage.c b/malloc/memusage.c
@@ -276,9 +276,10 @@ me (void)
               /* Determine the buffer size.  We use the default if the
                  environment variable is not present.  */
               buffer_size = DEFAULT_BUFFER_SIZE;
-              if (getenv ("MEMUSAGE_BUFFER_SIZE") != NULL)
+              const char *str_buffer_size = getenv ("MEMUSAGE_BUFFER_SIZE");
+              if (str_buffer_size != NULL)
                 {
-                  buffer_size = atoi (getenv ("MEMUSAGE_BUFFER_SIZE"));
+                  buffer_size = atoi (str_buffer_size);
                   if (buffer_size == 0 || buffer_size > DEFAULT_BUFFER_SIZE)
                     buffer_size = DEFAULT_BUFFER_SIZE;
                 }