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lvzhengyang
riscv-gcc-1
Commits
158c9e58
Commit
158c9e58
authored
Jan 23, 1997
by
Paul Eggert
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From-SVN: r13547
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158c9e58
/* getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
the C library, however. The master source lives in /gd/gnu/lib.
NOTE: The canonical source of this file is maintained with the GNU C Library.
Bugs can be reported to bug-glibc@prep.ai.mit.edu.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
USA. */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "getopt.h"
#if !defined (__STDC__) || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
#ifndef const
#define const
#endif
#endif
#include <stdio.h>
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
program understand `configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
#define GETOPT_INTERFACE_VERSION 2
#if !defined (_LIBC) && defined (__GLIBC__) && __GLIBC__ >= 2
#include <gnu-versions.h>
#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
#define ELIDE_CODE
#endif
#endif
#ifndef ELIDE_CODE
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
#ifdef __GNU_LIBRARY__
#include <stdlib.h>
#endif
#ifndef NULL
#define NULL 0
#endif
int
getopt_long
(
argc
,
argv
,
options
,
long_options
,
opt_index
)
int
argc
;
char
*
const
*
argv
;
const
char
*
options
;
const
struct
option
*
long_options
;
int
*
opt_index
;
{
return
_getopt_internal
(
argc
,
argv
,
options
,
long_options
,
opt_index
,
0
);
}
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
If an option that starts with '-' (not '--') doesn't match a long option,
but does match a short option, it is parsed as a short option
instead. */
int
getopt_long_only
(
argc
,
argv
,
options
,
long_options
,
opt_index
)
int
argc
;
char
*
const
*
argv
;
const
char
*
options
;
const
struct
option
*
long_options
;
int
*
opt_index
;
{
return
_getopt_internal
(
argc
,
argv
,
options
,
long_options
,
opt_index
,
1
);
}
#endif
/* Not ELIDE_CODE. */
#ifdef TEST
#include <stdio.h>
int
main
(
argc
,
argv
)
int
argc
;
char
**
argv
;
{
int
c
;
int
digit_optind
=
0
;
while
(
1
)
{
int
this_option_optind
=
optind
?
optind
:
1
;
int
option_index
=
0
;
static
struct
option
long_options
[]
=
{
{
"add"
,
1
,
0
,
0
},
{
"append"
,
0
,
0
,
0
},
{
"delete"
,
1
,
0
,
0
},
{
"verbose"
,
0
,
0
,
0
},
{
"create"
,
0
,
0
,
0
},
{
"file"
,
1
,
0
,
0
},
{
0
,
0
,
0
,
0
}
};
c
=
getopt_long
(
argc
,
argv
,
"abc:d:0123456789"
,
long_options
,
&
option_index
);
if
(
c
==
-
1
)
break
;
switch
(
c
)
{
case
0
:
printf
(
"option %s"
,
long_options
[
option_index
].
name
);
if
(
optarg
)
printf
(
" with arg %s"
,
optarg
);
printf
(
"
\n
"
);
break
;
case
'0'
:
case
'1'
:
case
'2'
:
case
'3'
:
case
'4'
:
case
'5'
:
case
'6'
:
case
'7'
:
case
'8'
:
case
'9'
:
if
(
digit_optind
!=
0
&&
digit_optind
!=
this_option_optind
)
printf
(
"digits occur in two different argv-elements.
\n
"
);
digit_optind
=
this_option_optind
;
printf
(
"option %c
\n
"
,
c
);
break
;
case
'a'
:
printf
(
"option a
\n
"
);
break
;
case
'b'
:
printf
(
"option b
\n
"
);
break
;
case
'c'
:
printf
(
"option c with value `%s'
\n
"
,
optarg
);
break
;
case
'd'
:
printf
(
"option d with value `%s'
\n
"
,
optarg
);
break
;
case
'?'
:
break
;
default
:
printf
(
"?? getopt returned character code 0%o ??
\n
"
,
c
);
}
}
if
(
optind
<
argc
)
{
printf
(
"non-option ARGV-elements: "
);
while
(
optind
<
argc
)
printf
(
"%s "
,
argv
[
optind
++
]);
printf
(
"
\n
"
);
}
exit
(
0
);
}
#endif
/* TEST */
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