X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt.c;h=f1e6d1f7c702a4015baa324e85fe4fa41cb803e6;hb=34ebad3df7a99eea326f9170f2517b5d23873d1b;hp=95b3604f892d4e2ed66fdc6be0b6bdb36af9d2ff;hpb=8f3f62dcc4a7ea403bd3cbbf860364f192507014;p=gnulib.git
diff --git a/lib/getopt.c b/lib/getopt.c
index 95b3604f8..f1e6d1f7c 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -2,50 +2,33 @@
NOTE: getopt is now part of the C library, so if you don't know what
"Keep this file name-space clean" means, talk to drepper@gnu.org
before changing it!
- Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002,2003,2004
- Free Software Foundation, Inc.
+ Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002,2003,2004,2006,2008
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 of the License, 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
-/* This tells Alpha OSF/1 not to define a getopt prototype in .
- Ditto for AIX 3.2 and . */
-#ifndef _NO_PROTO
-# define _NO_PROTO
-#endif
-
-#ifdef HAVE_CONFIG_H
+#ifndef _LIBC
# include
#endif
-#include
-
-/* This needs to come after some library #include
- to get __GNU_LIBRARY__ defined. */
-#ifdef __GNU_LIBRARY__
-/* Don't include stdlib.h for non-GNU C libraries because some of them
- contain conflicting prototypes for getopt. */
-# include
-# include
-#endif /* GNU C library. */
+#include "getopt.h"
+#include
+#include
#include
-
-#ifdef VMS
-# include
-#endif
+#include
#ifdef _LIBC
# include
@@ -62,21 +45,20 @@
# define attribute_hidden
#endif
-/* This version of `getopt' appears to the caller like standard Unix `getopt'
- but it behaves differently for the user, since it allows the user
- to intersperse the options with the other arguments.
+/* Unlike standard Unix `getopt', functions like `getopt_long'
+ let the user intersperse the options with the other arguments.
- As `getopt' works, it permutes the elements of ARGV so that,
+ As `getopt_long' works, it permutes the elements of ARGV so that,
when it is done, all the options precede everything else. Thus
all application programs are extended to handle flexible argument order.
- Setting the environment variable POSIXLY_CORRECT disables permutation.
- Then the behavior is completely standard.
+ Using `getopt' or setting the environment variable POSIXLY_CORRECT
+ disables permutation.
+ Then the application's behavior is completely standard.
GNU application programs can use a third alternative mode in which
they can distinguish the relative order of options and other arguments. */
-#include "getopt.h"
#include "getopt_int.h"
/* For communication from `getopt' to the caller.
@@ -118,16 +100,9 @@ int optopt = '?';
static struct _getopt_data getopt_data;
-#ifndef __GNU_LIBRARY__
-
-/* Avoid depending on library functions or files
- whose names are inconsistent. */
-
-#ifndef getenv
+#if defined HAVE_DECL_GETENV && !HAVE_DECL_GETENV
extern char *getenv ();
#endif
-
-#endif /* not __GNU_LIBRARY__ */
#ifdef _LIBC
/* Stored original parameters.
@@ -250,8 +225,8 @@ exchange (char **argv, struct _getopt_data *d)
/* Initialize the internal data when the first call is made. */
static const char *
-_getopt_initialize (int argc, char *const *argv, const char *optstring,
- struct _getopt_data *d)
+_getopt_initialize (int argc, char **argv, const char *optstring,
+ int posixly_correct, struct _getopt_data *d)
{
/* Start processing options with ARGV-element 1 (since ARGV-element 0
is the program name); the sequence of previously skipped
@@ -261,7 +236,7 @@ _getopt_initialize (int argc, char *const *argv, const char *optstring,
d->__nextchar = NULL;
- d->__posixly_correct = !!getenv ("POSIXLY_CORRECT");
+ d->__posixly_correct = posixly_correct || !!getenv ("POSIXLY_CORRECT");
/* Determine how to handle the ordering of options and nonoptions. */
@@ -355,10 +330,6 @@ _getopt_initialize (int argc, char *const *argv, const char *optstring,
`flag' field is nonzero, the value of the option's `val' field
if the `flag' field is zero.
- The elements of ARGV aren't really const, because we permute them.
- But we pretend they're const in the prototype to be compatible
- with other systems.
-
LONGOPTS is a vector of `struct option' terminated by an
element containing a name which is zero.
@@ -367,12 +338,15 @@ _getopt_initialize (int argc, char *const *argv, const char *optstring,
recent call.
If LONG_ONLY is nonzero, '-' as well as '--' can introduce
- long-named options. */
+ long-named options.
+
+ If POSIXLY_CORRECT is nonzero, behave as if the POSIXLY_CORRECT
+ environment variable were set. */
int
-_getopt_internal_r (int argc, char *const *argv, const char *optstring,
+_getopt_internal_r (int argc, char **argv, const char *optstring,
const struct option *longopts, int *longind,
- int long_only, struct _getopt_data *d)
+ int long_only, int posixly_correct, struct _getopt_data *d)
{
int print_errors = d->opterr;
if (optstring[0] == ':')
@@ -387,7 +361,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
{
if (d->optind == 0)
d->optind = 1; /* Don't scan ARGV[0], the program name. */
- optstring = _getopt_initialize (argc, argv, optstring, d);
+ optstring = _getopt_initialize (argc, argv, optstring,
+ posixly_correct, d);
d->__initialized = 1;
}
@@ -556,10 +531,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -634,10 +606,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
((_IO_FILE *) stderr)->_flags2
|= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -674,10 +643,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
((_IO_FILE *) stderr)->_flags2
|= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -751,10 +717,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -817,10 +780,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -868,10 +828,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -940,10 +897,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -985,10 +939,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
((_IO_FILE *) stderr)->_flags2
|= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -1027,10 +978,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
((_IO_FILE *) stderr)->_flags2
|= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -1101,10 +1049,7 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
- if (_IO_fwide (stderr, 0) > 0)
- __fwprintf (stderr, L"%s", buf);
- else
- fputs (buf, stderr);
+ __fxprintf (NULL, "%s", buf);
((_IO_FILE *) stderr)->_flags2 = old_flags2;
_IO_funlockfile (stderr);
@@ -1135,16 +1080,17 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring,
}
int
-_getopt_internal (int argc, char *const *argv, const char *optstring,
- const struct option *longopts, int *longind, int long_only)
+_getopt_internal (int argc, char **argv, const char *optstring,
+ const struct option *longopts, int *longind,
+ int long_only, int posixly_correct)
{
int result;
getopt_data.optind = optind;
getopt_data.opterr = opterr;
- result = _getopt_internal_r (argc, argv, optstring, longopts,
- longind, long_only, &getopt_data);
+ result = _getopt_internal_r (argc, argv, optstring, longopts, longind,
+ long_only, posixly_correct, &getopt_data);
optind = getopt_data.optind;
optarg = getopt_data.optarg;
@@ -1153,13 +1099,19 @@ _getopt_internal (int argc, char *const *argv, const char *optstring,
return result;
}
+/* glibc gets a LSB-compliant getopt.
+ Standalone applications get a POSIX-compliant getopt. */
+#if _LIBC
+enum { POSIXLY_CORRECT = 0 };
+#else
+enum { POSIXLY_CORRECT = 1 };
+#endif
+
int
getopt (int argc, char *const *argv, const char *optstring)
{
- return _getopt_internal (argc, argv, optstring,
- (const struct option *) 0,
- (int *) 0,
- 0);
+ return _getopt_internal (argc, (char **) argv, optstring, NULL, NULL, 0,
+ POSIXLY_CORRECT);
}