[PATCH v2] malloc: remove redundant getenv call

[Gleb Fotengauer-Malinovskiy]

* malloc/memusage.c (me): Remove redundant getenv call.
---
 malloc/memusage.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

2015-11-24  Gleb Fotengauer-Malinovskiy  <glebfm@altlinux.org>

	* malloc/memusage.c (me): Remove redundant getenv call.

diff --git a/malloc/memusage.c b/malloc/memusage.c
index a57ba8e..6de3344 100644
--- 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;
                 }
--
glebfm