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Diffstat (limited to 'common/env_callback.c')
-rw-r--r--common/env_callback.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/common/env_callback.c b/common/env_callback.c
index 34bb58e..d03fa03 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);