[PATCH v3 5/6] test: fix impossible format-truncation in cfgfiles

[Stephen Hemminger]

Although, it is not possible on Linux (which always uses /tmp)
the compiler complains about possible snprintf() truncation.
Simplest fix is to just increase the size of the filename variable.

Fixes: be22019a58c4 ("test: restore cfgfile tests")
Cc: sta...@dpdk.org

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 app/test/test_cfgfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/test/test_cfgfile.c b/app/test/test_cfgfile.c
index b189d9d7a5..823b48e1fa 100644
--- a/app/test/test_cfgfile.c
+++ b/app/test/test_cfgfile.c
@@ -148,7 +148,7 @@ static int
 test_cfgfile_realloc_sections(void)
 {
        struct rte_cfgfile *cfgfile;
-       char filename[PATH_MAX];
+       char filename[PATH_MAX + NAME_MAX];
        int ret;
        const char *value;
 
-- 
2.51.0