env: make himport_r() selective on variables

[platform/kernel/u-boot.git] / include / search.h

diff --git a/include/search.h b/include/search.h
index a4a5ef4..94d75fc 100644 (file)
--- a/include/search.h
+++ b/include/search.h
@@ -94,9 +94,13 @@ extern ssize_t hexport_r(struct hsearch_data *__htab,
                     const char __sep, char **__resp, size_t __size,
                     int argc, char * const argv[]);
 
+/*
+ * nvars: length of vars array
+ * vars: array of strings (variable names) to import (nvars == 0 means all)
+ */
 extern int himport_r(struct hsearch_data *__htab,
                     const char *__env, size_t __size, const char __sep,
-                    int __flag);
+                    int __flag, int nvars, char * const vars[]);
 
 /* Flags for himport_r() */
 #define        H_NOCLEAR       (1 << 0) /* do not clear hash table before importing */