macCore: Don't pass NULL or "" into getenv()

2021-11-22 15:56:30 -06:00
parent 631f514c7c
commit 31fcb77412
1 changed files with 1 additions and 1 deletions
--- a/modules/libcom/src/macLib/macCore.c
+++ b/modules/libcom/src/macLib/macCore.c
@@ -588,7 +588,7 @@ static MAC_ENTRY *lookup( MAC_HANDLE *handle, const char *name, int special )
    }
    if ( (special == FALSE) && (entry == NULL) &&
         (handle->flags & FLAG_USE_ENVIRONMENT) ) {
-        char *value = getenv(name);
+        char *value = name && *name ? getenv(name) : NULL;
        if (value) {
            entry = create( handle, name, FALSE );
            if ( entry ) {