[PATCH 20/24] If FILENAME_MAX is defined, use it instead of arbitrary value (fix format-truncation errors with GCC >= 7)

[Manuel Bouyer]

---
 tools/xenpmd/xenpmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/xenpmd/xenpmd.c b/tools/xenpmd/xenpmd.c
index 12b82cf43e..cfd22e64e3 100644
--- a/tools/xenpmd/xenpmd.c
+++ b/tools/xenpmd/xenpmd.c
@@ -101,7 +101,11 @@ FILE *get_next_battery_file(DIR *battery_dir,
 {
     FILE *file = 0;
     struct dirent *dir_entries;
+#ifdef FILENAME_MAX
+    char file_name[FILENAME_MAX];
+#else
     char file_name[284];
+#endif
     int ret;
     
     do 
-- 
2.28.0