From: John Ellson <ellson@research.att.com>
Date: Tue, 6 Jan 2015 16:05:24 +0000 (-0500)
Subject: fix warning about mktemp
X-Git-Tag: TRAVIS_CI_BUILD_EXPERIMENTAL~129^2~6^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f8f7cbb67a1181a99b20618c798677832139ee61;p=graphviz

fix warning about mktemp
---

diff --git a/lib/gvc/gvbuffstderr.c b/lib/gvc/gvbuffstderr.c
index b1c6eb306..f9c628c80 100644
--- a/lib/gvc/gvbuffstderr.c
+++ b/lib/gvc/gvbuffstderr.c
@@ -14,12 +14,12 @@ struct buff_s {
  */ 
 void *buffstderr(void)
 {
-    char *p;
+    int t;
     struct buff_s *b;
 
     assert ((b = malloc(sizeof(struct buff_s))));
     assert ((b->template = strdup("/tmp/stderr_buffer_XXXXXX")));
-    assert ((p = mktemp(b->template)));
+    assert ((t = mkstemp(b->template)) > 0);
     fflush(stderr);
     fgetpos(stderr, &(b->pos));
     b->fd = dup(fileno(stderr));