bin/bash/variables.c

31 #    include <sys/vc.h>
1738   VAR_CONTEXT *vc;
1742   for (vc = vcontext; vc; vc = vc->down)
1743     if (v = hash_lookup (name, vc->table))
1884   VAR_CONTEXT *vc;
1900   for (vc = shell_variables; vc; vc = vc->down)
1901     if (vc_isfuncenv (vc) && vc->scope == variable_context)
1904   if (vc == 0)
1909   else if (vc->table == 0)
1910     vc->table = hash_create (TEMPENV_HASH_BUCKETS);
1928     new_var = make_new_variable (name, vc->table);
1931       new_var = make_new_variable (name, vc->table);
1942   vc->flags |= VC_HASLOCAL;
2251   VAR_CONTEXT *vc;
2265   for (vc = shell_variables; vc; vc = vc->down)
2267       if (vc_isfuncenv (vc) || vc_isbltnenv (vc))
2269 	  v = hash_lookup (name, vc->table);
2271 	    return (bind_variable_internal (name, value, vc->table, 0, flags));
2686 makunbound (name, vc)
2688      VAR_CONTEXT *vc;
2695   for (elt = (BUCKET_CONTENTS *)NULL, v = vc; v; v = v->down)
2762   VAR_CONTEXT *vc;
2764   for (vc = shell_variables; vc; vc = vc->down)
2765     if (vc_isfuncenv (vc) && vc->scope == variable_context)
2767   if (vc == 0)
2770   if (vc->table && vc_haslocals (vc))
2772       delete_all_variables (vc->table);
2773       hash_dispose (vc->table);
2775   vc->table = (HASH_TABLE *)NULL;
2926 map_over (function, vc)
2928      VAR_CONTEXT *vc;
2935   for (nentries = 0, v = vc; v; v = v->down)
2943   for (v = vc; v; v = v->down)
3136   VAR_CONTEXT *vc;
3138   vc = shell_variables;
3139   for (vc = shell_variables; vc; vc = vc->down)
3140     if (vc_isfuncenv (vc) && vc->scope == variable_context)
3143   if (vc == 0)
3148   if (vc->table == 0 || HASH_ENTRIES (vc->table) == 0 || vc_haslocals (vc) == 0)
3151   vlist = vlist_alloc (HASH_ENTRIES (vc->table));
3153   flatten (vc->table, variable_in_context, vlist, 0);
3578   VAR_CONTEXT *vc;
3581   for (n = 0, vc = shell_variables; vc; vc = vc->down)
3582     n += HASH_ENTRIES (vc->table);
3718   VAR_CONTEXT *vc;
3720   vc = (VAR_CONTEXT *)xmalloc (sizeof (VAR_CONTEXT));
3721   vc->name = name ? savestring (name) : (char *)NULL;
3722   vc->scope = variable_context;
3723   vc->flags = flags;
3725   vc->up = vc->down = (VAR_CONTEXT *)NULL;
3726   vc->table = (HASH_TABLE *)NULL;
3728   return vc;
3734 dispose_var_context (vc)
3735      VAR_CONTEXT *vc;
3737   FREE (vc->name);
3739   if (vc->table)
3741       delete_all_variables (vc->table);
3742       hash_dispose (vc->table);
3745   free (vc);
3765   VAR_CONTEXT *vc;
3767   vc = new_var_context (name, flags);
3768   vc->table = tempvars;
3774       vc->flags |= VC_HASTMPVAR;
3776   vc->down = shell_variables;
3777   shell_variables->up = vc;
3779   return (shell_variables = vc);