CLEANUP: vars: make smp_fetch_var() to reuse vars_get_by_desc()
They both do the same thing, so let's remove unneeded code duplication.
diff --git a/src/vars.c b/src/vars.c
index 251ffe1..3da4430 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -332,31 +332,8 @@
static int smp_fetch_var(const struct arg *args, struct sample *smp, const char *kw, void *private)
{
const struct var_desc *var_desc = &args[0].data.var;
- struct var *var;
- struct vars *vars;
-
- /* Check the availibity of the variable. */
- vars = get_vars(smp->sess, smp->strm, var_desc->scope);
- if (!vars || vars->scope != var_desc->scope)
- return 0;
-
- HA_RWLOCK_RDLOCK(VARS_LOCK, &vars->rwlock);
- var = var_get(vars, var_desc->name);
-
- /* check for the variable avalaibility */
- if (!var) {
- HA_RWLOCK_RDUNLOCK(VARS_LOCK, &vars->rwlock);
- return 0;
- }
-
- /* Duplicate the sample data because it could modified by another
- * thread */
- smp->data = var->data;
- smp_dup(smp);
- smp->flags |= SMP_F_CONST;
- HA_RWLOCK_RDUNLOCK(VARS_LOCK, &vars->rwlock);
- return 1;
+ return vars_get_by_desc(var_desc, smp);
}
/* This function search in the <head> a variable with the same