[libvirt PATCH v2 08/10] tests: Prevent malloc with size 0
Found by clang-tidy's "clang-analyzer-optin.portability.UnixAPI" check.
Signed-off-by: Tim Wiederhake <twiederh(a)redhat.com>
---
tests/commandhelper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tests/commandhelper.c b/tests/commandhelper.c
index bf6a5baa40..b3c65ab3cc 100644
--- a/tests/commandhelper.c
+++ b/tests/commandhelper.c
@@ -156,6 +156,9 @@ static int printEnvironment(FILE *log)
for (length = 0; environ[length]; length++) {
}
+ if (length == 0)
+ return 0;
+
if (!(newenv = malloc(sizeof(*newenv) * length)))
return -1;
--
2.26.2