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Imported from ../bash-3.0.tar.gz.

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This commit is contained in:
Jari Aalto 2004-07-27 13:29:18 +00:00
commit b80f6443b6
400 changed files with 69247 additions and 13346 deletions
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41
builtins/alias.def
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@ -1,7 +1,7 @@
This file is alias.def, from which is created alias.c
It implements the builtins "alias" and "unalias" in Bash.
Copyright (C) 1987-2002 Free Software Foundation, Inc.
Copyright (C) 1987-2004 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
@ -44,6 +44,7 @@ $END
#endif
# include "../bashansi.h"
# include "../bashintl.h"
# include <stdio.h>
# include "../shell.h"
@ -51,17 +52,23 @@ $END
# include "common.h"
# include "bashgetopt.h"
static void print_alias __P((alias_t *));
/* Flags for print_alias */
#define AL_REUSABLE 0x01
static void print_alias __P((alias_t *, int));
extern int posixly_correct;
/* Hack the alias command in a Korn shell way. */
int
alias_builtin (list)
WORD_LIST *list;
{
int any_failed, offset, pflag;
int any_failed, offset, pflag, dflags;
alias_t **alias_list, *t;
char *name, *value;
dflags = posixly_correct ? 0 : AL_REUSABLE;
pflag = 0;
reset_internal_getopt ();
while ((offset = internal_getopt (list, "p")) != -1)
@ -70,6 +77,7 @@ alias_builtin (list)
{
case 'p':
pflag = 1;
dflags |= AL_REUSABLE;
break;
default:
builtin_usage ();
@ -90,7 +98,7 @@ alias_builtin (list)
return (EXECUTION_SUCCESS);
for (offset = 0; alias_list[offset]; offset++)
print_alias (alias_list[offset]);
print_alias (alias_list[offset], dflags);
free (alias_list); /* XXX - Do not free the strings. */
@ -111,13 +119,19 @@ alias_builtin (list)
name[offset] = '\0';
value = name + offset + 1;
add_alias (name, value);
if (legal_alias_name (name, 0) == 0)
{
builtin_error (_("`%s': invalid alias name"), name);
any_failed++;
}
else
add_alias (name, value);
}
else
{
t = find_alias (name);
if (t)
print_alias (t);
print_alias (t, dflags);
else
{
sh_notfound (name);
@ -134,7 +148,7 @@ alias_builtin (list)
$BUILTIN unalias
$FUNCTION unalias_builtin
$DEPENDS_ON ALIAS
$SHORT_DOC unalias [-a] [name ...]
$SHORT_DOC unalias [-a] name [name ...]
Remove NAMEs from the list of defined aliases. If the -a option is given,
then remove all alias definitions.
$END
@ -171,6 +185,12 @@ unalias_builtin (list)
return (EXECUTION_SUCCESS);
}
if (list == 0)
{
builtin_usage ();
return (EX_USAGE);
}
aflag = 0;
while (list)
{
@ -192,13 +212,16 @@ unalias_builtin (list)
/* Output ALIAS in such a way as to allow it to be read back in. */
static void
print_alias (alias)
print_alias (alias, flags)
alias_t *alias;
int flags;
{
char *value;
value = sh_single_quote (alias->value);
printf ("alias %s=%s\n", alias->name, value);
if (flags & AL_REUSABLE)
printf ("alias ");
printf ("%s=%s\n", alias->name, value);
free (value);
fflush (stdout);