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-rw-r--r--src/c/urweb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/c/urweb.c b/src/c/urweb.c
index 9bf72ce1..5ac5aa55 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -3669,7 +3669,10 @@ uw_unit uw_Basis_setHeader(uw_context ctx, uw_Basis_string name, uw_Basis_string
}
uw_Basis_string uw_Basis_getenv(uw_context ctx, uw_Basis_string name) {
- return ctx->get_env(ctx->get_env_data, name);
+ if (ctx->get_env)
+ return ctx->get_env(ctx->get_env_data, name);
+ else
+ return NULL;
}
uw_Basis_string uw_unnull(uw_Basis_string s) {