check_capability: explicitly target recent linux implementations

[collectd.git] / src / daemon / common.c

diff --git a/src/daemon/common.c b/src/daemon/common.c
index 3e2db15..7656191 100644 (file)
--- a/src/daemon/common.c
+++ b/src/daemon/common.c
@@ -1676,6 +1676,7 @@ void strarray_free (char **array, size_t array_len) /* {{{ */
 #ifdef HAVE_SYS_CAPABILITY_H
 int check_capability (int capability) /* {{{ */
 {
+#ifdef _LINUX_CAPABILITY_VERSION_3
        struct __user_cap_header_struct cap_header_data;
        cap_user_header_t cap_header = &cap_header_data;
        struct __user_cap_data_struct cap_data_data;
@@ -1693,5 +1694,10 @@ int check_capability (int capability) /* {{{ */
                return (-1);
        else
                return (0);
+#else
+       WARNING ("check_capability: unsupported capability implementation. "
+           "Some plugin(s) may require elevated privileges to work properly.");
+       return (0);
+#endif /* _LINUX_CAPABILITY_VERSION_3 */
 } /* }}} int check_capability */
-#endif
+#endif /* HAVE_SYS_CAPABILITY_H */