diff options
Diffstat (limited to 'common/env_callback.c')
| -rw-r--r-- | common/env_callback.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/common/env_callback.c b/common/env_callback.c index 34bb58e4a..d03fa03a4 100644 --- a/common/env_callback.c +++ b/common/env_callback.c @@ -35,6 +35,9 @@ static struct env_clbk_tbl *find_env_callback(const char *name) return NULL; } +static int first_call = 1; +static const char *callback_list; + /* * Look for a possible callback for a newly added variable * This is called specifically when the variable did not exist in the hash @@ -43,11 +46,15 @@ static struct env_clbk_tbl *find_env_callback(const char *name) void env_callback_init(ENTRY *var_entry) { const char *var_name = var_entry->key; - const char *callback_list = getenv(ENV_CALLBACK_VAR); char callback_name[256] = ""; struct env_clbk_tbl *clbkp; int ret = 1; + if (first_call) { + callback_list = getenv(ENV_CALLBACK_VAR); + first_call = 0; + } + /* look in the ".callbacks" var for a reference to this variable */ if (callback_list != NULL) ret = env_attr_lookup(callback_list, var_name, callback_name); |