setting_parse_environ(): Don't crash if environ=NULL.

--HG--
branch : HEAD

diff --git a/src/lib-settings/settings-parser.c b/src/lib-settings/settings-parser.c
index 0c9be5eb63717898a40a5e9d917821b16d39aed8..d66b1a8e2e92fe5e21900b435934f6d6c7056d8b 100644 (file)
--- a/src/lib-settings/settings-parser.c
+++ b/src/lib-settings/settings-parser.c
@@ -569,6 +569,9 @@ int settings_parse_environ(struct setting_parser_context *ctx)
        unsigned int i, count;
        int ret = 0;
 
+       if (environ == NULL)
+               return 0;
+
        /* sort the settings first. this is necessary for putenv()
           implementations (e.g. valgrind) which change the order of strings
           in environ[] */