"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, 96, 97
+ Copyright Copyright (C) 1987, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97
Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with the GNU C Library.
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
+Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
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,
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA.
This code was heavily modified for GNUnet.
-Copyright (C) 2006 Christian Grothoff
+Copyright Copyright (C) 2006 Christian Grothoff
*/
/**
* replace main GNU getopt parser with one that
* actually fits our API.
*/
-
#include "platform.h"
-#include "gnunet_common.h"
-#include "gnunet_getopt_lib.h"
+#include "gnunet_util_lib.h"
#ifdef VMS
-# include <unixlib.h>
-# if HAVE_STRING_H - 0
-# include <string.h>
-# endif
+#include <unixlib.h>
+#if HAVE_STRING_H - 0
+#include <string.h>
+#endif
#endif
+#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
+
+#define LOG_STRERROR(kind,syscall) GNUNET_log_from_strerror (kind, "util", syscall)
+
#if defined (WIN32) && !defined (__CYGWIN32__)
/* It's not Unix, really. See? Capital letters. */
-# include <windows.h>
-# define getpid() GetCurrentProcessId()
+#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
+#ifdef HAVE_LIBINTL_H
+#include <libintl.h>
+#define _(msgid) gettext (msgid)
+#else
+#define _(msgid) (msgid)
+#endif
#endif
/* Describe the long-named options requested by the application.
{
const char *name;
/* has_arg can't be an enum because some compilers complain about
- type mismatches in all the code that assumes it is an int. */
+ * type mismatches in all the code that assumes it is an int. */
int has_arg;
int *flag;
int val;
/* Avoid depending on library functions or files
whose names are inconsistent. */
-char *getenv ();
+char *
+getenv ();
static char *
-my_index (str, chr)
- const char *str;
- int chr;
+my_index (const char *str,
+ int chr)
{
while (*str)
- {
- if (*str == chr)
- return (char *) str;
- str++;
- }
+ {
+ if (*str == chr)
+ return (char *) str;
+ str++;
+ }
return 0;
}
#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 *);
+extern int
+strlen (const char *);
#endif /* not __STDC__ */
#endif /* __GNUC__ */
static int first_nonopt;
static int last_nonopt;
-#ifdef _LIBC
-/* Bash 2.0 gives us an environment variable containing flags
- indicating ARGV elements that should not be considered arguments. */
-
-/* Defined in getopt_init.c */
-extern char *__getopt_nonoption_flags;
-
-static int nonoption_flags_max_len;
-static int nonoption_flags_len;
-
-static int original_argc;
-static char *const *original_argv;
-
-extern pid_t __libc_pid;
-
-/* Make sure the environment variable bash 2.0 puts in the environment
- is valid for the getopt call we must make sure that the ARGV passed
- to getopt is that one passed to the process. */
-static void
- __attribute__ ((unused)) store_args_and_env (int argc, char *const *argv)
-{
- /* XXX This is no good solution. We should rather copy the args so
- that we can compare them later. But we must not use malloc(3). */
- original_argc = argc;
- original_argv = argv;
-}
-
-text_set_element (__libc_subinit, store_args_and_env);
-
-# define SWAP_FLAGS(ch1, ch2) \
- if (nonoption_flags_len > 0) \
- { \
- char __tmp = __getopt_nonoption_flags[ch1]; \
- __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \
- __getopt_nonoption_flags[ch2] = __tmp; \
- }
-#else /* !_LIBC */
-# define SWAP_FLAGS(ch1, ch2)
-#endif /* _LIBC */
+#define SWAP_FLAGS(ch1, ch2)
/* Exchange two adjacent subsequences of ARGV.
One subsequence is elements [first_nonopt,last_nonopt)
the new indices of the non-options in ARGV after they are moved. */
#if defined (__STDC__) && __STDC__
-static void exchange (char **);
+static void
+exchange (char **);
#endif
static void
-exchange (argv)
- char **argv;
+exchange (char **argv)
{
int bottom = first_nonopt;
int middle = last_nonopt;
char *tem;
/* Exchange the shorter segment with the far end of the longer segment.
- That puts the shorter segment into the right place.
- It leaves the longer segment in the right place overall,
- but it consists of two parts that need to be swapped next. */
-
-#ifdef _LIBC
- /* First make sure the handling of the `__getopt_nonoption_flags'
- string can work normally. Our top argument must be in the range
- of the string. */
- if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
- {
- /* We must extend the array. The user plays games with us and
- presents new arguments. */
- char *new_str = malloc (top + 1);
- if (new_str == NULL)
- nonoption_flags_len = nonoption_flags_max_len = 0;
- else
- {
- memcpy (new_str, __getopt_nonoption_flags, nonoption_flags_max_len);
- memset (&new_str[nonoption_flags_max_len], '\0',
- top + 1 - nonoption_flags_max_len);
- nonoption_flags_max_len = top + 1;
- __getopt_nonoption_flags = new_str;
- }
- }
-#endif
+ * That puts the shorter segment into the right place.
+ * It leaves the longer segment in the right place overall,
+ * but it consists of two parts that need to be swapped next. */
while (top > middle && middle > bottom)
+ {
+ if (top - middle > middle - bottom)
{
- if (top - middle > middle - bottom)
- {
- /* Bottom segment is the short one. */
- int len = middle - bottom;
- register int i;
+ /* Bottom segment is the short one. */
+ int len = middle - bottom;
+ register int i;
- /* Swap it with the top part of the top segment. */
- for (i = 0; i < len; i++)
- {
- tem = argv[bottom + i];
- argv[bottom + i] = argv[top - (middle - bottom) + i];
- argv[top - (middle - bottom) + i] = tem;
- SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
- }
- /* Exclude the moved bottom segment from further swapping. */
- top -= len;
- }
- else
- {
- /* Top segment is the short one. */
- int len = top - middle;
- register int i;
+ /* Swap it with the top part of the top segment. */
+ for (i = 0; i < len; i++)
+ {
+ tem = argv[bottom + i];
+ argv[bottom + i] = argv[top - (middle - bottom) + i];
+ argv[top - (middle - bottom) + i] = tem;
+ SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
+ }
+ /* Exclude the moved bottom segment from further swapping. */
+ top -= len;
+ }
+ else
+ {
+ /* Top segment is the short one. */
+ int len = top - middle;
+ register int i;
- /* Swap it with the bottom part of the bottom segment. */
- for (i = 0; i < len; i++)
- {
- tem = argv[bottom + i];
- argv[bottom + i] = argv[middle + i];
- argv[middle + i] = tem;
- SWAP_FLAGS (bottom + i, middle + i);
- }
- /* Exclude the moved top segment from further swapping. */
- bottom += len;
- }
+ /* Swap it with the bottom part of the bottom segment. */
+ for (i = 0; i < len; i++)
+ {
+ tem = argv[bottom + i];
+ argv[bottom + i] = argv[middle + i];
+ argv[middle + i] = tem;
+ SWAP_FLAGS (bottom + i, middle + i);
+ }
+ /* Exclude the moved top segment from further swapping. */
+ bottom += len;
}
+ }
/* Update records for the slots the non-options now occupy. */
/* Initialize the internal data when the first call is made. */
#if defined (__STDC__) && __STDC__
-static const char *_getopt_initialize (int, char *const *, const char *);
+static const char *
+_getopt_initialize (int, char *const *, const char *);
#endif
static const char *
-_getopt_initialize (argc, argv, optstring)
- int argc;
- char *const *argv;
- const char *optstring;
+_getopt_initialize (int argc,
+ char *const *argv,
+ const char *optstring)
{
/* Start processing options with ARGV-element 1 (since ARGV-element 0
- is the program name); the sequence of previously skipped
- non-option ARGV-elements is empty. */
+ * is the program name); the sequence of previously skipped
+ * non-option ARGV-elements is empty. */
first_nonopt = last_nonopt = GNoptind;
/* Determine how to handle the ordering of options and nonoptions. */
if (optstring[0] == '-')
- {
- ordering = RETURN_IN_ORDER;
- ++optstring;
- }
+ {
+ ordering = RETURN_IN_ORDER;
+ ++optstring;
+ }
else if (optstring[0] == '+')
- {
- ordering = REQUIRE_ORDER;
- ++optstring;
- }
+ {
+ ordering = REQUIRE_ORDER;
+ ++optstring;
+ }
else if (posixly_correct != NULL)
ordering = REQUIRE_ORDER;
else
ordering = PERMUTE;
-#ifdef _LIBC
- if (posixly_correct == NULL
- && argc == original_argc && argv == original_argv)
- {
- if (nonoption_flags_max_len == 0)
- {
- if (__getopt_nonoption_flags == NULL
- || __getopt_nonoption_flags[0] == '\0')
- nonoption_flags_max_len = -1;
- else
- {
- const char *orig_str = __getopt_nonoption_flags;
- int len = nonoption_flags_max_len = strlen (orig_str);
- if (nonoption_flags_max_len < argc)
- nonoption_flags_max_len = argc;
- __getopt_nonoption_flags =
- (char *) malloc (nonoption_flags_max_len);
- if (__getopt_nonoption_flags == NULL)
- nonoption_flags_max_len = -1;
- else
- {
- memcpy (__getopt_nonoption_flags, orig_str, len);
- memset (&__getopt_nonoption_flags[len], '\0',
- nonoption_flags_max_len - len);
- }
- }
- }
- nonoption_flags_len = nonoption_flags_max_len;
- }
- else
- nonoption_flags_len = 0;
-#endif
-
return optstring;
}
-\f
+
/* Scan elements of ARGV (whose length is ARGC) for option characters
given in OPTSTRING.
long-named options. */
static int
-GN_getopt_internal (int argc,
- char *const *argv,
- const char *optstring,
- const struct GNoption *longopts,
- int *longind,
- int long_only)
+GN_getopt_internal (int argc, char *const *argv, const char *optstring,
+ const struct GNoption *longopts, int *longind,
+ int long_only)
{
static int __getopt_initialized = 0;
static int GNopterr = 1;
- static int GNoptopt = '?';
GNoptarg = NULL;
if (GNoptind == 0 || !__getopt_initialized)
- {
- if (GNoptind == 0)
- GNoptind = 1; /* Don't scan ARGV[0], the program name. */
- optstring = _getopt_initialize (argc, argv, optstring);
- __getopt_initialized = 1;
- }
+ {
+ if (GNoptind == 0)
+ GNoptind = 1; /* Don't scan ARGV[0], the program name. */
+ optstring = _getopt_initialize (argc, argv, optstring);
+ __getopt_initialized = 1;
+ }
/* Test whether ARGV[GNoptind] 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. The later information
- is only used when the used in the GNU libc. */
-#ifdef _LIBC
-#define NONOPTION_P (argv[GNoptind][0] != '-' || argv[GNoptind][1] == '\0' \
- || (GNoptind < nonoption_flags_len \
- && __getopt_nonoption_flags[GNoptind] == '1'))
-#else
+ * Either it does not have option syntax, or there is an environment flag
+ * from the shell indicating it is not an option. The later information
+ * is only used when the used in the GNU libc. */
#define NONOPTION_P (argv[GNoptind][0] != '-' || argv[GNoptind][1] == '\0')
-#endif
if (nextchar == NULL || *nextchar == '\0')
- {
- /* Advance to the next ARGV-element. */
+ {
+ /* Advance to the next ARGV-element. */
- /* Give FIRST_NONOPT & LAST_NONOPT rational values if GNoptind has been
- moved back by the user (who may also have changed the arguments). */
- if (last_nonopt > GNoptind)
- last_nonopt = GNoptind;
- if (first_nonopt > GNoptind)
- first_nonopt = GNoptind;
+ /* Give FIRST_NONOPT & LAST_NONOPT rational values if GNoptind has been
+ * moved back by the user (who may also have changed the arguments). */
+ if (last_nonopt > GNoptind)
+ last_nonopt = GNoptind;
+ if (first_nonopt > GNoptind)
+ first_nonopt = GNoptind;
- if (ordering == PERMUTE)
- {
- /* If we have just processed some options following some non-options,
- exchange them so that the options come first. */
+ if (ordering == PERMUTE)
+ {
+ /* If we have just processed some options following some non-options,
+ * exchange them so that the options come first. */
- if (first_nonopt != last_nonopt && last_nonopt != GNoptind)
- exchange ((char **) argv);
- else if (last_nonopt != GNoptind)
- first_nonopt = GNoptind;
+ if (first_nonopt != last_nonopt && last_nonopt != GNoptind)
+ exchange ((char **) argv);
+ else if (last_nonopt != GNoptind)
+ first_nonopt = GNoptind;
- /* Skip any additional non-options
- and extend the range of non-options previously skipped. */
+ /* Skip any additional non-options
+ * and extend the range of non-options previously skipped. */
- while (GNoptind < argc && NONOPTION_P)
- GNoptind++;
- last_nonopt = GNoptind;
- }
+ while (GNoptind < argc && NONOPTION_P)
+ GNoptind++;
+ last_nonopt = GNoptind;
+ }
- /* The special ARGV-element `--' means premature end of options.
- Skip it like a null option,
- then exchange with previous non-options as if it were an option,
- then skip everything else like a non-option. */
- if (GNoptind != argc && !strcmp (argv[GNoptind], "--"))
- {
- GNoptind++;
+ /* The special ARGV-element `--' means premature end of options.
+ * Skip it like a null option,
+ * then exchange with previous non-options as if it were an option,
+ * then skip everything else like a non-option. */
+ if (GNoptind != argc && !strcmp (argv[GNoptind], "--"))
+ {
+ GNoptind++;
- if (first_nonopt != last_nonopt && last_nonopt != GNoptind)
- exchange ((char **) argv);
- else if (first_nonopt == last_nonopt)
- first_nonopt = GNoptind;
- last_nonopt = argc;
+ if (first_nonopt != last_nonopt && last_nonopt != GNoptind)
+ exchange ((char **) argv);
+ else if (first_nonopt == last_nonopt)
+ first_nonopt = GNoptind;
+ last_nonopt = argc;
- GNoptind = argc;
- }
+ GNoptind = argc;
+ }
- /* If we have done all the ARGV-elements, stop the scan
- and back over any non-options that we skipped and permuted. */
+ /* If we have done all the ARGV-elements, stop the scan
+ * and back over any non-options that we skipped and permuted. */
- if (GNoptind == argc)
- {
- /* Set the next-arg-index to point at the non-options
- that we previously skipped, so the caller will digest them. */
- if (first_nonopt != last_nonopt)
- GNoptind = first_nonopt;
- return -1;
- }
+ if (GNoptind == argc)
+ {
+ /* Set the next-arg-index to point at the non-options
+ * that we previously skipped, so the caller will digest them. */
+ if (first_nonopt != last_nonopt)
+ GNoptind = first_nonopt;
+ return -1;
+ }
- /* 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 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 (NONOPTION_P)
- {
- if (ordering == REQUIRE_ORDER)
- return -1;
- GNoptarg = argv[GNoptind++];
- return 1;
- }
+ if (NONOPTION_P)
+ {
+ if (ordering == REQUIRE_ORDER)
+ return -1;
+ GNoptarg = argv[GNoptind++];
+ return 1;
+ }
- /* We have found another option-ARGV-element.
- Skip the initial punctuation. */
+ /* We have found another option-ARGV-element.
+ * Skip the initial punctuation. */
- nextchar = (argv[GNoptind] + 1
- + (longopts != NULL && argv[GNoptind][1] == '-'));
- }
+ nextchar =
+ (argv[GNoptind] + 1 + (longopts != NULL && argv[GNoptind][1] == '-'));
+ }
/* Decode the current option-ARGV-element. */
/* Check whether the ARGV-element is a long option.
+ *
+ * If long_only and the ARGV-element has the form "-f", where f is
+ * a valid short option, don't consider it an abbreviated form of
+ * a long option that starts with f. Otherwise there would be no
+ * way to give the -f short option.
+ *
+ * On the other hand, if there's a long option "fubar" and
+ * the ARGV-element is "-fu", do consider that an abbreviation of
+ * the long option, just like "--fu", and not "-f" with arg "u".
+ *
+ * This distinction seems to be the most useful approach. */
+
+ if (longopts != NULL &&
+ (argv[GNoptind][1] == '-' ||
+ (long_only &&
+ (argv[GNoptind][2] || !my_index (optstring, argv[GNoptind][1])))))
+ {
+ char *nameend;
+ const struct GNoption *p;
+ const struct GNoption *pfound = NULL;
+ int exact = 0;
+ int ambig = 0;
+ int indfound = -1;
+ int option_index;
+
+ for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
+ /* Do nothing. */ ;
+
+ /* Test all long options for either exact match
+ * or abbreviated matches. */
+ for (p = longopts, option_index = 0; p->name; p++, option_index++)
+ if (!strncmp (p->name, nextchar, nameend - nextchar))
+ {
+ if ((unsigned int) (nameend - nextchar) ==
+ (unsigned int) strlen (p->name))
+ {
+ /* Exact match found. */
+ pfound = p;
+ indfound = option_index;
+ exact = 1;
+ break;
+ }
+ else if (pfound == NULL)
+ {
+ /* First nonexact match found. */
+ pfound = p;
+ indfound = option_index;
+ }
+ else
+ /* Second or later nonexact match found. */
+ ambig = 1;
+ }
- If long_only and the ARGV-element has the form "-f", where f is
- a valid short option, don't consider it an abbreviated form of
- a long option that starts with f. Otherwise there would be no
- way to give the -f short option.
-
- On the other hand, if there's a long option "fubar" and
- the ARGV-element is "-fu", do consider that an abbreviation of
- the long option, just like "--fu", and not "-f" with arg "u".
-
- This distinction seems to be the most useful approach. */
-
- if (longopts != NULL
- && (argv[GNoptind][1] == '-'
- || (long_only
- && (argv[GNoptind][2]
- || !my_index (optstring, argv[GNoptind][1])))))
+ if (ambig && !exact)
{
- char *nameend;
- const struct GNoption *p;
- const struct GNoption *pfound = NULL;
- int exact = 0;
- int ambig = 0;
- int indfound = -1;
- int option_index;
-
- for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
- /* Do nothing. */ ;
+ if (GNopterr)
+ FPRINTF (stderr, _("%s: option `%s' is ambiguous\n"), argv[0],
+ argv[GNoptind]);
+ nextchar += strlen (nextchar);
+ GNoptind++;
+ return '?';
+ }
- /* Test all long options for either exact match
- or abbreviated matches. */
- for (p = longopts, option_index = 0; p->name; p++, option_index++)
- if (!strncmp (p->name, nextchar, nameend - nextchar))
+ if (pfound != NULL)
+ {
+ option_index = indfound;
+ GNoptind++;
+ if (*nameend)
+ {
+ /* Don't test has_arg with >, because some C compilers don't
+ * allow it to be used on enums. */
+ if (pfound->has_arg)
+ GNoptarg = nameend + 1;
+ else
+ {
+ if (GNopterr)
{
- if ((unsigned int) (nameend - nextchar)
- == (unsigned int) strlen (p->name))
- {
- /* Exact match found. */
- pfound = p;
- indfound = option_index;
- exact = 1;
- break;
- }
- else if (pfound == NULL)
- {
- /* First nonexact match found. */
- pfound = p;
- indfound = option_index;
- }
+ if (argv[GNoptind - 1][1] == '-')
+ /* --option */
+ FPRINTF (stderr,
+ _("%s: option `--%s' does not allow an argument\n"),
+ argv[0], pfound->name);
else
- /* Second or later nonexact match found. */
- ambig = 1;
+ /* +option or -option */
+ FPRINTF (stderr,
+ _("%s: option `%c%s' does not allow an argument\n"),
+ argv[0], argv[GNoptind - 1][0], pfound->name);
}
-
- if (ambig && !exact)
- {
- if (GNopterr)
- fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
- argv[0], argv[GNoptind]);
nextchar += strlen (nextchar);
- GNoptind++;
- GNoptopt = 0;
return '?';
}
-
- if (pfound != NULL)
+ }
+ else if (pfound->has_arg == 1)
+ {
+ if (GNoptind < argc)
{
- option_index = indfound;
- GNoptind++;
- if (*nameend)
- {
- /* Don't test has_arg with >, because some C compilers don't
- allow it to be used on enums. */
- if (pfound->has_arg)
- GNoptarg = nameend + 1;
- else
- {
- if (GNopterr)
- {
- if (argv[GNoptind - 1][1] == '-')
- /* --option */
- fprintf (stderr,
- _
- ("%s: option `--%s' does not allow an argument\n"),
- argv[0], pfound->name);
- else
- /* +option or -option */
- fprintf (stderr,
- _
- ("%s: option `%c%s' does not allow an argument\n"),
- argv[0], argv[GNoptind - 1][0],
- pfound->name);
- }
- nextchar += strlen (nextchar);
-
- GNoptopt = pfound->val;
- return '?';
- }
- }
- else if (pfound->has_arg == 1)
- {
- if (GNoptind < argc)
- {
- GNoptarg = argv[GNoptind++];
- }
- else
- {
- if (GNopterr)
- {
- fprintf (stderr,
- _("%s: option `%s' requires an argument\n"),
- argv[0], argv[GNoptind - 1]);
- }
- nextchar += strlen (nextchar);
- GNoptopt = pfound->val;
- return (optstring[0] == ':') ? ':' : '?';
- }
- }
- nextchar += strlen (nextchar);
- if (longind != NULL)
- *longind = option_index;
- if (pfound->flag)
- {
- *(pfound->flag) = pfound->val;
- return 0;
- }
- return pfound->val;
+ GNoptarg = argv[GNoptind++];
}
-
- /* Can't find it as a long option. If this is not getopt_long_only,
- or the option starts with '--' or is not a valid short
- option, then it's an error.
- Otherwise interpret it as a short option. */
- if (!long_only || argv[GNoptind][1] == '-'
- || my_index (optstring, *nextchar) == NULL)
+ else
{
if (GNopterr)
- {
- if (argv[GNoptind][1] == '-')
- /* --option */
- fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
- argv[0], nextchar);
- else
- /* +option or -option */
- fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
- argv[0], argv[GNoptind][0], nextchar);
- }
- nextchar = (char *) "";
- GNoptind++;
- GNoptopt = 0;
- return '?';
+ {
+ FPRINTF (stderr, _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[GNoptind - 1]);
+ }
+ nextchar += strlen (nextchar);
+ return (optstring[0] == ':') ? ':' : '?';
}
+ }
+ nextchar += strlen (nextchar);
+ if (longind != NULL)
+ *longind = option_index;
+ if (pfound->flag)
+ {
+ *(pfound->flag) = pfound->val;
+ return 0;
+ }
+ return pfound->val;
}
+ /* Can't find it as a long option. If this is not getopt_long_only,
+ * or the option starts with '--' or is not a valid short
+ * option, then it's an error.
+ * Otherwise interpret it as a short option. */
+ if (!long_only || argv[GNoptind][1] == '-' ||
+ my_index (optstring, *nextchar) == NULL)
+ {
+ if (GNopterr)
+ {
+ if (argv[GNoptind][1] == '-')
+ /* --option */
+ FPRINTF (stderr, _("%s: unrecognized option `--%s'\n"), argv[0],
+ nextchar);
+ else
+ /* +option or -option */
+ FPRINTF (stderr, _("%s: unrecognized option `%c%s'\n"), argv[0],
+ argv[GNoptind][0], nextchar);
+ }
+ nextchar = (char *) "";
+ GNoptind++;
+ return '?';
+ }
+ }
+
/* Look at and handle the next short option-character. */
{
++GNoptind;
if (temp == NULL || c == ':')
+ {
+ if (GNopterr)
{
- if (GNopterr)
- {
- 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);
- }
- GNoptopt = c;
- return '?';
+ 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);
}
+ return '?';
+ }
/* Convenience. Treat POSIX -W foo same as long option --foo */
if (temp[0] == 'W' && temp[1] == ';')
- {
- char *nameend;
- const struct GNoption *p;
- const struct GNoption *pfound = NULL;
- int exact = 0;
- int ambig = 0;
- int indfound = 0;
- int option_index;
+ {
+ char *nameend;
+ const struct GNoption *p;
+ const struct GNoption *pfound = NULL;
+ int exact = 0;
+ int ambig = 0;
+ int indfound = 0;
+ int option_index;
- /* This is an option that requires an argument. */
- if (*nextchar != '\0')
- {
- GNoptarg = nextchar;
- /* If we end this ARGV-element by taking the rest as an arg,
- we must advance to the next element now. */
- GNoptind++;
- }
- else if (GNoptind == argc)
- {
- if (GNopterr)
- {
- /* 1003.2 specifies the format of this message. */
- fprintf (stderr, _("%s: option requires an argument -- %c\n"),
- argv[0], c);
- }
- GNoptopt = c;
- if (optstring[0] == ':')
- c = ':';
- else
- c = '?';
- return c;
- }
+ /* This is an option that requires an argument. */
+ if (*nextchar != '\0')
+ {
+ GNoptarg = nextchar;
+ /* If we end this ARGV-element by taking the rest as an arg,
+ * we must advance to the next element now. */
+ GNoptind++;
+ }
+ else if (GNoptind == argc)
+ {
+ if (GNopterr)
+ {
+ /* 1003.2 specifies the format of this message. */
+ FPRINTF (stderr, _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
+ }
+ if (optstring[0] == ':')
+ c = ':';
else
- /* We already incremented `GNoptind' once;
- increment it again when taking next ARGV-elt as argument. */
- GNoptarg = argv[GNoptind++];
+ c = '?';
+ return c;
+ }
+ else
+ /* We already incremented `GNoptind' once;
+ * increment it again when taking next ARGV-elt as argument. */
+ GNoptarg = argv[GNoptind++];
- /* GNoptarg is now the argument, see if it's in the
- table of longopts. */
+ /* GNoptarg is now the argument, see if it's in the
+ * table of longopts. */
- for (nextchar = nameend = GNoptarg; *nameend && *nameend != '=';
- nameend++)
- /* Do nothing. */ ;
+ for (nextchar = nameend = GNoptarg; *nameend && *nameend != '=';
+ nameend++)
+ /* Do nothing. */ ;
- /* Test all long options for either exact match
- or abbreviated matches. */
- if (longopts != NULL)
+ /* Test all long options for either exact match
+ * or abbreviated matches. */
+ if (longopts != NULL)
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!strncmp (p->name, nextchar, nameend - nextchar))
+ {
+ if ((unsigned int) (nameend - nextchar) == strlen (p->name))
+ {
+ /* Exact match found. */
+ pfound = p;
+ indfound = option_index;
+ exact = 1;
+ break;
+ }
+ else if (pfound == NULL)
{
- if ((unsigned int) (nameend - nextchar) == strlen (p->name))
- {
- /* Exact match found. */
- pfound = p;
- indfound = option_index;
- exact = 1;
- break;
- }
- else if (pfound == NULL)
- {
- /* First nonexact match found. */
- pfound = p;
- indfound = option_index;
- }
- else
- /* Second or later nonexact match found. */
- ambig = 1;
+ /* First nonexact match found. */
+ pfound = p;
+ indfound = option_index;
}
- if (ambig && !exact)
+ else
+ /* Second or later nonexact match found. */
+ ambig = 1;
+ }
+ if (ambig && !exact)
+ {
+ if (GNopterr)
+ FPRINTF (stderr, _("%s: option `-W %s' is ambiguous\n"), argv[0],
+ argv[GNoptind]);
+ nextchar += strlen (nextchar);
+ GNoptind++;
+ return '?';
+ }
+ if (pfound != NULL)
+ {
+ option_index = indfound;
+ if (*nameend)
+ {
+ /* Don't test has_arg with >, because some C compilers don't
+ * allow it to be used on enums. */
+ if (pfound->has_arg)
+ GNoptarg = nameend + 1;
+ else
{
if (GNopterr)
- fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
- argv[0], argv[GNoptind]);
+ FPRINTF (stderr, _("%s: option `-W %s' does not allow an argument\n"), argv[0], pfound->name);
+
nextchar += strlen (nextchar);
- GNoptind++;
return '?';
}
- if (pfound != NULL)
+ }
+ else if (pfound->has_arg == 1)
+ {
+ if (GNoptind < argc)
+ GNoptarg = argv[GNoptind++];
+ else
{
- option_index = indfound;
- if (*nameend)
- {
- /* Don't test has_arg with >, because some C compilers don't
- allow it to be used on enums. */
- if (pfound->has_arg)
- GNoptarg = nameend + 1;
- else
- {
- if (GNopterr)
- fprintf (stderr, _("\
-%s: option `-W %s' does not allow an argument\n"), argv[0], pfound->name);
-
- nextchar += strlen (nextchar);
- return '?';
- }
- }
- else if (pfound->has_arg == 1)
- {
- if (GNoptind < argc)
- GNoptarg = argv[GNoptind++];
- else
- {
- if (GNopterr)
- fprintf (stderr,
- _("%s: option `%s' requires an argument\n"),
- argv[0], argv[GNoptind - 1]);
- nextchar += strlen (nextchar);
- return optstring[0] == ':' ? ':' : '?';
- }
- }
+ if (GNopterr)
+ FPRINTF (stderr, _("%s: option `%s' requires an argument\n"),
+ argv[0], argv[GNoptind - 1]);
nextchar += strlen (nextchar);
- if (longind != NULL)
- *longind = option_index;
- if (pfound->flag)
- {
- *(pfound->flag) = pfound->val;
- return 0;
- }
- return pfound->val;
+ return optstring[0] == ':' ? ':' : '?';
}
- nextchar = NULL;
- return 'W'; /* Let the application handle it. */
+ }
+ nextchar += strlen (nextchar);
+ if (longind != NULL)
+ *longind = option_index;
+ if (pfound->flag)
+ {
+ *(pfound->flag) = pfound->val;
+ return 0;
+ }
+ return pfound->val;
}
+ nextchar = NULL;
+ return 'W'; /* Let the application handle it. */
+ }
if (temp[1] == ':')
+ {
+ if (temp[2] == ':')
{
- if (temp[2] == ':')
- {
- /* This is an option that accepts an argument optionally. */
- if (*nextchar != '\0')
- {
- GNoptarg = nextchar;
- GNoptind++;
- }
- else
- GNoptarg = NULL;
- nextchar = NULL;
- }
+ /* This is an option that accepts an argument optionally. */
+ if (*nextchar != '\0')
+ {
+ GNoptarg = nextchar;
+ GNoptind++;
+ }
else
+ GNoptarg = NULL;
+ nextchar = NULL;
+ }
+ else
+ {
+ /* This is an option that requires an argument. */
+ if (*nextchar != '\0')
+ {
+ GNoptarg = nextchar;
+ /* If we end this ARGV-element by taking the rest as an arg,
+ * we must advance to the next element now. */
+ GNoptind++;
+ }
+ else if (GNoptind == argc)
+ {
+ if (GNopterr)
{
- /* This is an option that requires an argument. */
- if (*nextchar != '\0')
- {
- GNoptarg = nextchar;
- /* If we end this ARGV-element by taking the rest as an arg,
- we must advance to the next element now. */
- GNoptind++;
- }
- else if (GNoptind == argc)
- {
- if (GNopterr)
- {
- /* 1003.2 specifies the format of this message. */
- fprintf (stderr,
- _("%s: option requires an argument -- %c\n"),
- argv[0], c);
- }
- GNoptopt = c;
- if (optstring[0] == ':')
- c = ':';
- else
- c = '?';
- }
- else
- /* We already incremented `GNoptind' once;
- increment it again when taking next ARGV-elt as argument. */
- GNoptarg = argv[GNoptind++];
- nextchar = NULL;
+ /* 1003.2 specifies the format of this message. */
+ FPRINTF (stderr, _("%s: option requires an argument -- %c\n"),
+ argv[0], c);
}
+ if (optstring[0] == ':')
+ c = ':';
+ else
+ c = '?';
+ }
+ else
+ /* We already incremented `GNoptind' once;
+ * increment it again when taking next ARGV-elt as argument. */
+ GNoptarg = argv[GNoptind++];
+ nextchar = NULL;
}
+ }
return c;
}
}
static int
-GNgetopt_long (int argc,
- char *const *argv,
- const char *options,
+GNgetopt_long (int argc, char *const *argv, const char *options,
const struct GNoption *long_options, int *opt_index)
{
return GN_getopt_internal (argc, argv, options, long_options, opt_index, 0);
shorts = GNUNET_malloc (count * 2 + 1);
spos = 0;
for (i = 0; i < count; i++)
- {
- long_options[i].name = allOptions[i].name;
- long_options[i].has_arg = allOptions[i].require_argument;
- long_options[i].flag = NULL;
- long_options[i].val = allOptions[i].shortName;
- shorts[spos++] = allOptions[i].shortName;
- if (allOptions[i].require_argument != 0)
- shorts[spos++] = ':';
- }
+ {
+ long_options[i].name = allOptions[i].name;
+ long_options[i].has_arg = allOptions[i].require_argument;
+ long_options[i].flag = NULL;
+ long_options[i].val = allOptions[i].shortName;
+ shorts[spos++] = allOptions[i].shortName;
+ if (allOptions[i].require_argument != 0)
+ shorts[spos++] = ':';
+ }
long_options[count].name = NULL;
long_options[count].has_arg = 0;
long_options[count].flag = NULL;
cont = GNUNET_OK;
/* main getopt loop */
while (cont == GNUNET_OK)
- {
- int option_index = 0;
- c = GNgetopt_long (argc, argv, shorts, long_options, &option_index);
+ {
+ int option_index = 0;
- if (c == GNUNET_SYSERR)
- break; /* No more flags to process */
+ c = GNgetopt_long (argc, argv, shorts, long_options, &option_index);
- for (i = 0; i < count; i++)
- {
- clpc.currentArgument = GNoptind - 1;
- if ((char) c == allOptions[i].shortName)
- {
- cont = allOptions[i].processor (&clpc,
- allOptions[i].scls,
- allOptions[i].name, GNoptarg);
- break;
- }
- }
- if (i == count)
- {
- fprintf (stderr, _("Use --help to get a list of options.\n"));
- cont = GNUNET_SYSERR;
- }
+ if (c == GNUNET_SYSERR)
+ break; /* No more flags to process */
+
+ for (i = 0; i < count; i++)
+ {
+ clpc.currentArgument = GNoptind - 1;
+ if ((char) c == allOptions[i].shortName)
+ {
+ cont =
+ allOptions[i].processor (&clpc, allOptions[i].scls,
+ allOptions[i].name, GNoptarg);
+ break;
+ }
+ }
+ if (i == count)
+ {
+ FPRINTF (stderr, _("Use %s to get a list of options.\n"), "--help");
+ cont = GNUNET_SYSERR;
}
+ }
GNUNET_free (shorts);
GNUNET_free (long_options);
- if (cont == GNUNET_SYSERR)
- return GNUNET_SYSERR;
+ if (cont != GNUNET_OK)
+ {
+ return cont;
+ }
return GNoptind;
}
projects / oweals / gnunet.git / blobdiff