fix warning about mktemp

diff --git a/lib/gvc/gvbuffstderr.c b/lib/gvc/gvbuffstderr.c
index b1c6eb306e72e24e80b593dc33c9a0b846613919..f9c628c80da8166265dbc9809c1a46f90d8c0b07 100644 (file)
--- 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));