diff options
Diffstat (limited to 'variables.c')
| -rw-r--r-- | variables.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/variables.c b/variables.c index df25d56a..770de113 100644 --- a/variables.c +++ b/variables.c @@ -1958,6 +1958,22 @@ initialize_dynamic_variables () /* */ /* **************************************************************** */ +#if 0 /* not yet */ +int +var_isset (var) + SHELL_VAR *var; +{ + return (var->value != 0); +} + +int +var_isunset (var) + SHELL_VAR *var; +{ + return (var->value == 0); +} +#endif + /* How to get a pointer to the shell variable or function named NAME. HASHED_VARS is a pointer to the hash table containing the list of interest (either variables or functions). */ @@ -2731,7 +2747,7 @@ set_local_var_flags: /* value_cell will be 0 if localvar_inherit == 0 or there was no old variable with the same name or the old variable was invisible */ - if (was_tmpvar == 0 && no_invisible_vars == 0 && value_cell (new_var) == 0) + if (was_tmpvar == 0 && value_cell (new_var) == 0) VSETATTR (new_var, att_invisible); /* XXX */ return (new_var); } @@ -4032,7 +4048,7 @@ delete_all_variables (hashed_vars) if (!entry) \ { \ entry = bind_variable (name, "", 0); \ - if (!no_invisible_vars && entry) entry->attributes |= att_invisible; \ + if (entry) entry->attributes |= att_invisible; \ } \ } \ while (0) @@ -5216,7 +5232,10 @@ push_posix_tempvar_internal (var, isbltin) v = 0; if (local_p (var) && STREQ (var->name, "-")) - set_current_options (value_cell (var)); + { + set_current_options (value_cell (var)); + set_shellopts (); + } /* This takes variable assignments preceding special builtins that can execute multiple commands (source, eval, etc.) and performs the equivalent of an assignment statement to modify the closest enclosing variable (the |