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-rw-r--r--include/environment.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/environment.h b/include/environment.h
index ae3f7b6..90fb130 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -184,6 +184,15 @@ void set_default_env(const char *s);
/* Import from binary representation into hash table */
int env_import(const char *buf, int check);
+/*
+ * Check if variable "name" can be changed from oldval to newval,
+ * and if so, apply the changes (e.g. baudrate).
+ * When (flag & H_FORCE) is set, it does not print out any error
+ * message and forces overwriting of write-once variables.
+ */
+int env_check_apply(const char *name, const char *oldval,
+ const char *newval, int flag);
+
#endif /* DO_DEPS_ONLY */
#endif /* _ENVIRONMENT_H_ */