shared.c: Only setenv() if value is non-null

[ps-cgit] / shared.c

diff --git a/shared.c b/shared.c
index 75c4b5c7e0c78b11bb7ff344e5ef0fd82fc9535d..0c8ce3e2ce79140192585b81d66a589dbaacbdbb 100644 (file)
--- a/shared.c
+++ b/shared.c
@@ -392,7 +392,7 @@ void cgit_prepare_repo_env(struct cgit_repo * repo)
        p = env_vars;
        q = p + env_var_count;
        for (; p < q; p++)
-               if (setenv(p->name, p->value, 1))
+               if (p->value && setenv(p->name, p->value, 1))
                        fprintf(stderr, warn, p->name, p->value);
 }