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authorJim Meyering <jim@meyering.net>1996-07-11 03:57:04 +0000
committerJim Meyering <jim@meyering.net>1996-07-11 03:57:04 +0000
commit1fead1bd35e15cac165badb213798cb98d686aa7 (patch)
tree8b240cc3fc06f430c8ae872a0c89b2491db8c467
parent301bba0b03812f19db9a62f0da3f2a41839bf117 (diff)
downloadgnulib-1fead1bd35e15cac165badb213798cb98d686aa7.tar.gz
use latest from gettext-0.10.23FILEUTILS-3_13
-rw-r--r--lib/getopt.c111
-rw-r--r--lib/getopt.h2
-rw-r--r--lib/getopt1.c2
3 files changed, 88 insertions, 27 deletions
diff --git a/lib/getopt.c b/lib/getopt.c
index 8bcf559457..91f00b55bb 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -3,7 +3,7 @@
"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, 95
+ 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
@@ -18,7 +18,7 @@
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. */
/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
Ditto for AIX 3.2 and <stdlib.h>. */
@@ -53,12 +53,28 @@
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
-#ifdef __GNU_LIBRARY__
+#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. */
@@ -166,7 +182,7 @@ static enum
/* Value of POSIXLY_CORRECT environment variable. */
static char *posixly_correct;
-#ifdef __GNU_LIBRARY__
+#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
@@ -217,6 +233,12 @@ 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.
@@ -226,6 +248,10 @@ static int last_nonopt;
`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;
@@ -284,6 +310,9 @@ exchange (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;
@@ -315,6 +344,21 @@ _getopt_initialize (optstring)
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;
}
@@ -391,10 +435,24 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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,
@@ -408,8 +466,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
/* 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;
}
@@ -447,7 +504,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
/* 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;
@@ -479,8 +536,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
if (longopts != NULL
&& (argv[optind][1] == '-'
- || (long_only && (argv[optind][2]
- || !my_index (optstring, argv[optind][1])))))
+ || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
{
char *nameend;
const struct option *p;
@@ -493,8 +549,8 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
/* Do nothing. */ ;
-#ifdef lint
- indfound = 0; /* Avoid spurious compiler warning. */
+#ifdef lint /* Suppress `used before initialized' warning. */
+ indfound = 0;
#endif
/* Test all long options for either exact match
@@ -528,6 +584,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
argv[0], argv[optind]);
nextchar += strlen (nextchar);
optind++;
+ optopt = 0;
return '?';
}
@@ -544,18 +601,20 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
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 '?';
}
}
@@ -567,9 +626,10 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
{
if (opterr)
fprintf (stderr,
- _("%s: option `%s' requires an argument\n"),
- argv[0], argv[optind - 1]);
+ _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[optind - 1]);
nextchar += strlen (nextchar);
+ optopt = pfound->val;
return optstring[0] == ':' ? ':' : '?';
}
}
@@ -604,6 +664,7 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
}
nextchar = (char *) "";
optind++;
+ optopt = 0;
return '?';
}
}
@@ -663,8 +724,8 @@ _getopt_internal (argc, argv, optstring, longopts, longind, long_only)
{
/* 1003.2 specifies the format of this message. */
fprintf (stderr,
- _("%s: option requires an argument -- %c\n"),
- argv[0], c);
+ _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
}
optopt = c;
if (optstring[0] == ':')
diff --git a/lib/getopt.h b/lib/getopt.h
index 4ac33b7182..952f4830d3 100644
--- a/lib/getopt.h
+++ b/lib/getopt.h
@@ -13,7 +13,7 @@
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. */
#ifndef _GETOPT_H
#define _GETOPT_H 1
diff --git a/lib/getopt1.c b/lib/getopt1.c
index 4580211cfa..7cf0bfb013 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -14,7 +14,7 @@
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. */
#ifdef HAVE_CONFIG_H
#include <config.h>