"Keep this file name-space clean" means, talk to roland@gnu.ai.mit.edu
before changing it!
- Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94
+ Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 1996
Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
\f
/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
Ditto for AIX 3.2 and <stdlib.h>. */
#endif
#ifdef HAVE_CONFIG_H
-#if defined (emacs) || defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
#include <config.h>
-#else
-#include "config.h"
-#endif
#endif
-#ifndef __STDC__
+#if !defined (__STDC__) || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
#ifndef const
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
-#if defined (__GNU_LIBRARY__) || defined (__sgi)
+#ifdef __GNU_LIBRARY__
/* Don't include stdlib.h for non-GNU C libraries because some of them
contain conflicting prototypes for getopt. */
#include <stdlib.h>
+#if defined (_LIBC) || defined (HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
#endif /* GNU C library. */
+#ifdef VMS
+#include <unixlib.h>
+#if HAVE_STRING_H - 0
+#include <string.h>
+#endif
+#endif
+
+#ifdef WIN32
+/* It's not Unix, really. See? Capital letters. */
+#include <windows.h>
+#define getpid() GetCurrentProcessId()
+#endif
+
+#ifndef _
+/* This is for other GNU distributions with internationalized messages.
+ When compiling libc, the _ macro is predefined. */
+#ifdef HAVE_LIBINTL_H
+# include <libintl.h>
+# define _(msgid) gettext (msgid)
+#else
+# define _(msgid) (msgid)
+#endif
+#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.
{
REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
} ordering;
+
+/* Value of POSIXLY_CORRECT environment variable. */
+static char *posixly_correct;
\f
-#if defined (__GNU_LIBRARY__) || defined (__sgi)
+#ifdef __GNU_LIBRARY__
/* We want to avoid inclusion of string.h with non-GNU libraries
because there are many ways it can cause trouble.
On some systems, it contains special magic macros that don't work
#ifdef __GNUC__
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
That was relevant to code that was here before. */
-#ifndef __STDC__
+#if !defined (__STDC__) || !__STDC__
/* gcc with -traditional declares the built-in strlen to return int,
and has done so at least since version 2.4.5. -- rms. */
extern int strlen (const char *);
static int first_nonopt;
static int last_nonopt;
+/* Bash 2.0 gives us an environment variable containing flags
+ indicating ARGV elements that should not be considered arguments. */
+
+static const char *nonoption_flags;
+static int nonoption_flags_len;
+
/* Exchange two adjacent subsequences of ARGV.
One subsequence is elements [first_nonopt,last_nonopt)
which contains all the non-options that have been skipped so far.
`first_nonopt' and `last_nonopt' are relocated so that they describe
the new indices of the non-options in ARGV after they are moved. */
+#if defined (__STDC__) && __STDC__
+static void exchange (char **);
+#endif
+
static void
exchange (argv)
char **argv;
/* Initialize the internal data when the first call is made. */
+#if defined (__STDC__) && __STDC__
+static const char *_getopt_initialize (const char *);
+#endif
static const char *
_getopt_initialize (optstring)
const char *optstring;
nextchar = NULL;
+ posixly_correct = getenv ("POSIXLY_CORRECT");
+
/* Determine how to handle the ordering of options and nonoptions. */
if (optstring[0] == '-')
ordering = REQUIRE_ORDER;
++optstring;
}
- else if (getenv ("POSIXLY_CORRECT") != NULL)
+ else if (posixly_correct != NULL)
ordering = REQUIRE_ORDER;
else
ordering = PERMUTE;
+ if (posixly_correct == NULL)
+ {
+ /* Bash 2.0 puts a special variable in the environment for each
+ command it runs, specifying which ARGV elements are the results of
+ file name wildcard expansion and therefore should not be
+ considered as options. */
+ char var[100];
+ sprintf (var, "_%d_GNU_nonoption_argv_flags_", getpid ());
+ nonoption_flags = getenv (var);
+ if (nonoption_flags == NULL)
+ nonoption_flags_len = 0;
+ else
+ nonoption_flags_len = strlen (nonoption_flags);
+ }
+
return optstring;
}
\f
optarg = NULL;
if (optind == 0)
- optstring = _getopt_initialize (optstring);
+ {
+ optstring = _getopt_initialize (optstring);
+ optind = 1; /* Don't scan ARGV[0], the program name. */
+ }
+
+ /* Test whether ARGV[optind] points to a non-option argument.
+ Either it does not have option syntax, or there is an environment flag
+ from the shell indicating it is not an option. */
+#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0' \
+ || (optind < nonoption_flags_len \
+ && nonoption_flags[optind] == '1'))
if (nextchar == NULL || *nextchar == '\0')
{
/* Advance to the next ARGV-element. */
+ /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
+ moved back by the user (who may also have changed the arguments). */
+ if (last_nonopt > optind)
+ last_nonopt = optind;
+ if (first_nonopt > optind)
+ first_nonopt = optind;
+
if (ordering == PERMUTE)
{
/* If we have just processed some options following some non-options,
/* Skip any additional non-options
and extend the range of non-options previously skipped. */
- while (optind < argc
- && (argv[optind][0] != '-' || argv[optind][1] == '\0'))
+ while (optind < argc && NONOPTION_P)
optind++;
last_nonopt = optind;
}
/* If we have come to a non-option and did not permute it,
either stop the scan or describe it to the caller and pass it by. */
- if ((argv[optind][0] != '-' || argv[optind][1] == '\0'))
+ if (NONOPTION_P)
{
if (ordering == REQUIRE_ORDER)
return EOF;
if (ambig && !exact)
{
if (opterr)
- fprintf (stderr, "%s: option `%s' is ambiguous\n",
+ fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
argv[0], argv[optind]);
nextchar += strlen (nextchar);
optind++;
+ optopt = 0;
return '?';
}
else
{
if (opterr)
- {
- if (argv[optind - 1][1] == '-')
- /* --option */
- fprintf (stderr,
- "%s: option `--%s' doesn't allow an argument\n",
- argv[0], pfound->name);
- else
- /* +option or -option */
- fprintf (stderr,
- "%s: option `%c%s' doesn't allow an argument\n",
- argv[0], argv[optind - 1][0], pfound->name);
- }
+ if (argv[optind - 1][1] == '-')
+ /* --option */
+ fprintf (stderr,
+ _("%s: option `--%s' doesn't allow an argument\n"),
+ argv[0], pfound->name);
+ else
+ /* +option or -option */
+ fprintf (stderr,
+ _("%s: option `%c%s' doesn't allow an argument\n"),
+ argv[0], argv[optind - 1][0], pfound->name);
+
nextchar += strlen (nextchar);
+
+ optopt = pfound->val;
return '?';
}
}
else
{
if (opterr)
- fprintf (stderr, "%s: option `%s' requires an argument\n",
+ fprintf (stderr,
+ _("%s: option `%s' requires an argument\n"),
argv[0], argv[optind - 1]);
nextchar += strlen (nextchar);
+ optopt = pfound->val;
return optstring[0] == ':' ? ':' : '?';
}
}
{
if (argv[optind][1] == '-')
/* --option */
- fprintf (stderr, "%s: unrecognized option `--%s'\n",
+ fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
argv[0], nextchar);
else
/* +option or -option */
- fprintf (stderr, "%s: unrecognized option `%c%s'\n",
+ fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
argv[0], argv[optind][0], nextchar);
}
nextchar = (char *) "";
optind++;
+ optopt = 0;
return '?';
}
}
{
if (opterr)
{
- /* 1003.2 specifies the format of this message. */
- fprintf (stderr, "%s: illegal option -- %c\n", argv[0], c);
+ if (posixly_correct)
+ /* 1003.2 specifies the format of this message. */
+ fprintf (stderr, _("%s: illegal option -- %c\n"),
+ argv[0], c);
+ else
+ fprintf (stderr, _("%s: invalid option -- %c\n"),
+ argv[0], c);
}
optopt = c;
return '?';
if (opterr)
{
/* 1003.2 specifies the format of this message. */
- fprintf (stderr, "%s: option requires an argument -- %c\n",
+ fprintf (stderr,
+ _("%s: option requires an argument -- %c\n"),
argv[0], c);
}
optopt = c;
projects / gnulib.git / blobdiff