diff options
Diffstat (limited to 'builtins/setattr.def')
| -rw-r--r-- | builtins/setattr.def | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/builtins/setattr.def b/builtins/setattr.def index d211dbc..28102bc 100644 --- a/builtins/setattr.def +++ b/builtins/setattr.def @@ -1,7 +1,7 @@ This file is setattr.def, from which is created setattr.c. It implements the builtins "export" and "readonly", in Bash. -Copyright (C) 1987-2003 Free Software Foundation, Inc. +Copyright (C) 1987-2004 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. @@ -111,6 +111,7 @@ set_or_show_attributes (list, attribute, nodefs) { register SHELL_VAR *var; int assign, undo, functions_only, arrays_only, any_failed, assign_error, opt; + int aflags; char *name; #if defined (ARRAY_VARS) WORD_LIST *nlist, *tlist; @@ -175,8 +176,16 @@ set_or_show_attributes (list, attribute, nodefs) /* xxx [-np] name[=value] */ assign = assignment (name, 0); + aflags = 0; if (assign) - name[assign] = '\0'; + { + name[assign] = '\0'; + if (name[assign - 1] == '+') + { + aflags |= ASS_APPEND; + name[assign - 1] = '\0'; + } + } if (legal_identifier (name) == 0) { @@ -192,6 +201,8 @@ set_or_show_attributes (list, attribute, nodefs) if (assign) /* xxx [-np] name=value */ { name[assign] = '='; + if (aflags & ASS_APPEND) + name[assign - 1] = '+'; #if defined (ARRAY_VARS) /* Let's try something here. Turn readonly -a xxx=yyy into declare -ra xxx=yyy and see what that gets us. */ @@ -217,6 +228,8 @@ set_or_show_attributes (list, attribute, nodefs) if (do_assignment_no_expand (name) == 0) assign_error++; name[assign] = '\0'; + if (aflags & ASS_APPEND) + name[assign - 1] = '\0'; } set_var_attribute (name, attribute, undo); @@ -396,13 +409,15 @@ set_var_attribute (name, attribute, undo) { tvalue = var_isset (tv) ? savestring (value_cell (tv)) : savestring (""); - var = bind_variable (tv->name, tvalue); + var = bind_variable (tv->name, tvalue, 0); var->attributes |= tv->attributes & ~att_tempvar; VSETATTR (tv, att_propagate); if (var->context != 0) VSETATTR (var, att_propagate); SETVARATTR (tv, attribute, undo); /* XXX */ + stupidly_hack_special_variables (tv->name); + free (tvalue); } else @@ -410,7 +425,7 @@ set_var_attribute (name, attribute, undo) var = find_variable_internal (name, 0); if (var == 0) { - var = bind_variable (name, (char *)NULL); + var = bind_variable (name, (char *)NULL, 0); VSETATTR (var, att_invisible); } else if (var->context != 0) |