fix build errors when built against glibc

[project/unetd.git] / main.c

diff --git a/main.c b/main.c
index 9926ecdc3e47e821632dd00e49b93ddc69e1256d..e4e93317fcfe212a5c02b46a81eb73f03f231525 100644 (file)
--- a/main.c
+++ b/main.c
@@ -48,7 +48,9 @@ void unetd_write_hosts(void)
        if (!hosts_file)
                return;
 
-       asprintf(&tmpfile, "%s.XXXXXXXX", hosts_file);
+       if (asprintf(&tmpfile, "%s.XXXXXXXX", hosts_file) < 0)
+               return;
+
        fd = mkstemp(tmpfile);
        if (fd < 0) {
                perror("mkstemp");