add a hint that may help somebod get apr_env_delete() working on their

box


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@64483 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 7 insertions, 0 deletions

diff --git a/misc/unix/env.c b/misc/unix/env.c
index f8ef3c2a2..b96be21cc 100644
--- a/misc/unix/env.c
+++ b/misc/unix/env.c
@@ -123,6 +123,13 @@ APR_DECLARE(apr_status_t) apr_env_delete(const char *envvar, apr_pool_t *pool)
     return APR_SUCCESS;
 
 #else
+    /* hint: some platforms allow envvars to be unset via
+     *       putenv("varname")...  that isn't Single Unix spec,
+     *       but if your platform doesn't have unsetenv() it is
+     *       worth investigating and potentially adding a
+     *       configure check to decide when to use that form of
+     *       putenv() here
+     */
     return APR_ENOTIMPL;
 #endif
 }