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| -rw-r--r-- | README | 11 |
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@@ -3943,6 +3943,17 @@ If CONFIG_REGEX is defined, the variable_name above is evaluated as a regular expression. This allows multiple variables to be connected to the same callback without explicitly listing them all out. +The signature of the callback functions is: + + int callback(const char *name, const char *value, enum env_op op, int flags) + +* name - changed environment variable +* value - new value of the environment variable +* op - operation (create, overwrite, or delete) +* flags - attributes of the environment variable change, see flags H_* in + include/search.h + +The return value is 0 if the variable change is accepted and 1 otherwise. Command Line Parsing: ===================== |