- else {
- apr_table_addn(e, http2env(r->pool, hdrs[i].key), hdrs[i].val);
- }
- }
-
- if (!(env_path = getenv("PATH"))) {
- env_path = DEFAULT_PATH;
- }
- apr_table_addn(e, "PATH", apr_pstrdup(r->pool, env_path));
-
-#ifdef WIN32
- if (env_temp = getenv("SystemRoot")) {
- apr_table_addn(e, "SystemRoot", env_temp);
- }
- if (env_temp = getenv("COMSPEC")) {
- apr_table_addn(e, "COMSPEC", env_temp);
- }
- if (env_temp = getenv("PATHEXT")) {
- apr_table_addn(e, "PATHEXT", env_temp);
- }
- if (env_temp = getenv("WINDIR")) {
- apr_table_addn(e, "WINDIR", env_temp);
- }
-#endif
-
-#ifdef OS2
- if ((env_temp = getenv("COMSPEC")) != NULL) {
- apr_table_addn(e, "COMSPEC", env_temp);
- }
- if ((env_temp = getenv("ETC")) != NULL) {
- apr_table_addn(e, "ETC", env_temp);
- }
- if ((env_temp = getenv("DPATH")) != NULL) {
- apr_table_addn(e, "DPATH", env_temp);
- }
- if ((env_temp = getenv("PERLLIB_PREFIX")) != NULL) {
- apr_table_addn(e, "PERLLIB_PREFIX", env_temp);
- }
-#endif
-
-#ifdef BEOS
- if ((env_temp = getenv("LIBRARY_PATH")) != NULL) {
- apr_table_addn(e, "LIBRARY_PATH", env_temp);
- }
+ else
+ add_unless_null(e, http2env(r, hdrs[i].key), hdrs[i].val);
+ }
+
+ env_temp = apr_table_get(r->subprocess_env, "PATH");
+ if (env_temp == NULL) {
+ env_temp = getenv("PATH");
+ }
+ if (env_temp == NULL) {
+ env_temp = DEFAULT_PATH;
+ }
+ apr_table_addn(e, "PATH", apr_pstrdup(r->pool, env_temp));
+
+#if defined(WIN32)
+ env2env(e, "SystemRoot");
+ env2env(e, "COMSPEC");
+ env2env(e, "PATHEXT");
+ env2env(e, "WINDIR");
+#elif defined(OS2)
+ env2env(e, "COMSPEC");
+ env2env(e, "ETC");
+ env2env(e, "DPATH");
+ env2env(e, "PERLLIB_PREFIX");
+#elif defined(BEOS)
+ env2env(e, "LIBRARY_PATH");
+#elif defined(DARWIN)
+ env2env(e, "DYLD_LIBRARY_PATH");
+#elif defined(_AIX)
+ env2env(e, "LIBPATH");
+#elif defined(__HPUX__)
+ /* HPUX PARISC 2.0W knows both, otherwise redundancy is harmless */
+ env2env(e, "SHLIB_PATH");
+ env2env(e, "LD_LIBRARY_PATH");
+#else /* Some Unix */
+ env2env(e, "LD_LIBRARY_PATH");