int _getopt_internal_r (int argc, TCHAR *const *argv, const TCHAR *optstring, const struct option *longopts, int *longind, int long_only, struct _getopt_data *d, int posixly_correct)
{
int print_errors = d->opterr;
if (argc < 1)
return -1;
d->optarg = NULL;
if (d->optind == 0 || !d->__initialized)
{
if (d->optind == 0)
d->optind = 1;
optstring = _getopt_initialize (optstring, d, posixly_correct);
d->__initialized = 1;
}
else if (optstring[0] == _T('-') || optstring[0] == _T('+'))
optstring++;
if (optstring[0] == _T(':'))
print_errors = 0;
if (d->__nextchar == NULL || *d->__nextchar == _T('\0'))
{
if (d->__last_nonopt > d->optind)
d->__last_nonopt = d->optind;
if (d->__first_nonopt > d->optind)
d->__first_nonopt = d->optind;
if (d->__ordering == PERMUTE)
{
if (d->__first_nonopt != d->__last_nonopt && d->__last_nonopt != d->optind)
exchange ((TCHAR **) argv, d);
else if (d->__last_nonopt != d->optind)
d->__first_nonopt = d->optind;
while (d->optind < argc && (argv[d->optind][0] != _T('-') || argv[d->optind][1] == _T('\0')))
d->optind++;
d->__last_nonopt = d->optind;
}
if (d->optind != argc && !_tcscmp(argv[d->optind], _T("--")))
{
d->optind++;
if (d->__first_nonopt != d->__last_nonopt && d->__last_nonopt != d->optind)
exchange ((TCHAR **) argv, d);
else if (d->__first_nonopt == d->__last_nonopt)
d->__first_nonopt = d->optind;
d->__last_nonopt = argc;
d->optind = argc;
}
if (d->optind == argc)
{
if (d->__first_nonopt != d->__last_nonopt)
d->optind = d->__first_nonopt;
return -1;
}
if ((argv[d->optind][0] != _T('-') || argv[d->optind][1] == _T('\0')))
{
if (d->__ordering == REQUIRE_ORDER)
return -1;
d->optarg = argv[d->optind++];
return 1;
}
d->__nextchar = (argv[d->optind] + 1 + (longopts != NULL && argv[d->optind][1] == _T('-')));
}
if (longopts != NULL && (argv[d->optind][1] == _T('-') || (long_only && (argv[d->optind][2] || !_tcschr(optstring, argv[d->optind][1])))))
{
TCHAR *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound = -1;
int option_index;
for (nameend = d->__nextchar; *nameend && *nameend != _T('='); nameend++);
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!_tcsncmp(p->name, d->__nextchar, nameend - d->__nextchar))
{
if ((unsigned int)(nameend - d->__nextchar) == (unsigned int)_tcslen(p->name))
{
pfound = p;
indfound = option_index;
exact = 1;
break;
}
else if (pfound == NULL)
{
pfound = p;
indfound = option_index;
}
else if (long_only || pfound->has_arg != p->has_arg || pfound->flag != p->flag || pfound->val != p->val)
ambig = 1;
}
if (ambig && !exact)
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: option '%s' is ambiguous\n"),
argv[0], argv[d->optind]);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optind++;
d->optopt = 0;
return _T('?');
}
if (pfound != NULL)
{
option_index = indfound;
d->optind++;
if (*nameend)
{
if (pfound->has_arg)
d->optarg = nameend + 1;
else
{
if (print_errors)
{
if (argv[d->optind - 1][1] == _T('-'))
{
_ftprintf(stderr, _T("%s: option '--%s' doesn't allow an argument\n"),argv[0], pfound->name);
}
else
{
_ftprintf(stderr, _T("%s: option '%c%s' doesn't allow an argument\n"),argv[0], argv[d->optind - 1][0],pfound->name);
}
}
d->__nextchar += _tcslen(d->__nextchar);
d->optopt = pfound->val;
return _T('?');
}
}
else if (pfound->has_arg == 1)
{
if (d->optind < argc)
d->optarg = argv[d->optind++];
else
{
if (print_errors)
{
_ftprintf(stderr,_T("%s: option '--%s' requires an argument\n"),argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optopt = pfound->val;
return optstring[0] == _T(':') ? _T(':') : _T('?');
}
}
d->__nextchar += _tcslen(d->__nextchar);
if (longind != NULL)
*longind = option_index;
if (pfound->flag)
{
*(pfound->flag) = pfound->val;
return 0;
}
return pfound->val;
}
if (!long_only || argv[d->optind][1] == _T('-') || _tcschr(optstring, *d->__nextchar) == NULL)
{
if (print_errors)
{
if (argv[d->optind][1] == _T('-'))
{
/* --option */
_ftprintf(stderr, _T("%s: unrecognized option '--%s'\n"),argv[0], d->__nextchar);
}
else
{
/* +option or -option */
_ftprintf(stderr, _T("%s: unrecognized option '%c%s'\n"),argv[0], argv[d->optind][0], d->__nextchar);
}
}
d->__nextchar = (TCHAR *)_T("");
d->optind++;
d->optopt = 0;
return _T('?');
}
}
{
TCHAR c = *d->__nextchar++;
TCHAR *temp = (TCHAR*)_tcschr(optstring, c);
if (*d->__nextchar == _T('\0'))
++d->optind;
if (temp == NULL || c == _T(':') || c == _T(';'))
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: invalid option -- '%c'\n"), argv[0], c);
}
d->optopt = c;
return _T('?');
}
if (temp[0] == _T('W') && temp[1] == _T(';'))
{
TCHAR *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound = 0;
int option_index;
if (*d->__nextchar != _T('\0'))
{
d->optarg = d->__nextchar;
d->optind++;
}
else if (d->optind == argc)
{
if (print_errors)
{
_ftprintf(stderr,
_T("%s: option requires an argument -- '%c'\n"),
argv[0], c);
}
d->optopt = c;
if (optstring[0] == _T(':'))
c = _T(':');
else
c = _T('?');
return c;
}
else
d->optarg = argv[d->optind++];
for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != _T('='); nameend++);
for (p = longopts, option_index = 0; p->name; p++, option_index++)
if (!_tcsncmp(p->name, d->__nextchar, nameend - d->__nextchar))
{
if ((unsigned int) (nameend - d->__nextchar) == _tcslen(p->name))
{
pfound = p;
indfound = option_index;
exact = 1;
break;
}
else if (pfound == NULL)
{
pfound = p;
indfound = option_index;
}
else if (long_only || pfound->has_arg != p->has_arg || pfound->flag != p->flag || pfound->val != p->val)
ambig = 1;
}
if (ambig && !exact)
{
if (print_errors)
{
_ftprintf(stderr, _T("%s: option '-W %s' is ambiguous\n"),
argv[0], d->optarg);
}
d->__nextchar += _tcslen(d->__nextchar);
d->optind++;
return _T('?');
}
if (pfound != NULL)
{
option_index = indfound;
if (*nameend)
{
if (pfound->has_arg)
d->optarg = nameend + 1;
else
{
if (print_errors)
{
_ftprintf(stderr, _T("\
%s: option '-W %s' doesn't allow an argument\n"),
argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
return _T('?');
}
}
else if (pfound->has_arg == 1)
{
if (d->optind < argc)
d->optarg = argv[d->optind++];
else
{
if (print_errors)
{
_ftprintf(stderr, _T("\
%s: option '-W %s' requires an argument\n"),
argv[0], pfound->name);
}
d->__nextchar += _tcslen(d->__nextchar);
return optstring[0] == _T(':') ? _T(':') : _T('?');
}
}
else
static int _getopt_internal( int argc,
char *const *argv,
const char *optstring,
const struct option *longopts,
int *longind,
int long_only)
{
optarg = NULL;
#ifdef _MODULES_DEF_H
# if WITH_DEBUGGING_INIT
ErrorLogger( NO_ERR_START, LOC, _proc_getopt_internal, NULL);
# endif
#endif
/**
** Initialization
**/
if( optind == 0) {
optstring = _getopt_initialize( optstring);
optind = 1; /** Don't scan ARGV[0], the program name. **/
}
if( nextchar == NULL || *nextchar == '\0') {
/**
** Advance to the next ARGV-element.
**/
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 != optind)
exchange( (char **) argv);
else if( last_nonopt != optind)
first_nonopt = optind;
/**
** Skip any additional non-options and extend the range of
** non-options previously skipped.
**/
while( optind < argc &&
( argv[optind][0] != '-' || argv[optind][1] == '\0'))
optind++;
last_nonopt = optind;
}
/**
** 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( optind != argc && !strcmp( argv[optind], "--")) {
optind++;
if( first_nonopt != last_nonopt && last_nonopt != optind)
exchange((char **) argv);
else if( first_nonopt == last_nonopt)
first_nonopt = optind;
last_nonopt = argc;
optind = argc;
}
/**
** If we have done all the ARGV-elements, stop the scan and back
** over any non-options that we skipped and permuted.
**/
if( optind == 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)
optind = first_nonopt;
return( EOF);
}
/**
** 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( ordering == REQUIRE_ORDER)
return EOF;
optarg = argv[optind++];
return( 1);
}
/**
** We have found another option-ARGV-element.
** Skip the initial punctuation.
**/
nextchar =( argv[optind] + 1 +
( longopts != NULL && argv[optind][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[optind][1] == '-' ||
( long_only &&
( argv[optind][2] || !my_index (optstring, argv[optind][1]))))) {
char *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound;
int option_index;
/**
** Skip the remaining characters of the long option upt to its
** names end( End of the option itsself or the '=' sign)
**/
for( nameend = nextchar; *nameend && *nameend != '='; nameend++);
/**
** 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( 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;
} /** if( !strncmp) **/
} /** for **/
/**
** Print an error message for ambigious abbreviations and exit
** on error
**/
if( ambig && !exact) {
if( opterr)
#ifdef _MODULES_DEF_H
ErrorLogger( ERR_OPT_AMBIG, LOC, argv[optind], NULL);
#else
fprintf( stderr, _("%s: option `%s' is ambiguous\n"),
argv[0], argv[optind]);
#endif
nextchar += strlen( nextchar);
optind++;
return( '?');
}
/**
** Longname found ?
**/
if( pfound != NULL) {
option_index = indfound;
optind++;
/**
** *nameend is != NULL if there is a value specified for
** the option: '--option=value' -> *nameend = '='
**/
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)
optarg = nameend + 1;
else {
if( opterr)
/**
** ERROR: --option w/o argument
**/
if( argv[optind - 1][1] == '-')
#ifdef _MODULES_DEF_H
ErrorLogger( ERR_OPT_NOARG, LOC, pfound->name, NULL);
#else
fprintf( stderr,
_("%s: option `--%s' doesn't allow an argument\n"),
argv[0], pfound->name);
#endif
/**
** ERROR: +option or -option w/o argument
**/
else {
#ifdef _MODULES_DEF_H
char buffer[ BUFSIZ];
sprintf( buffer, "%c%s", argv[optind - 1][0], pfound->name);
ErrorLogger( ERR_OPT_NOARG, LOC, buffer, NULL);
#else
fprintf( stderr,
_("%s: option `%c%s' doesn't allow an argument\n"),
argv[0], argv[optind - 1][0], pfound->name);
#endif
}
nextchar += strlen( nextchar);
return( '?');
}
/**
** Options with arguments
**/
} else if( pfound->has_arg == 1) {
int _getopt_internal(int argc, char *const *argv, const char *optstring, const struct option *longopts, int *longind, int long_only)
{
if (argc < 1)
return -1;
optarg = NULL;
if (optind == 0 || !__getopt_initialized) {
if (optind == 0)
optind = 1; /* Don't scan ARGV[0], the program name. */
optstring = _getopt_initialize(argc, argv, optstring);
__getopt_initialized = 1;
}
/* 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. The later information
is only used when the used in the GNU libc. */
#define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
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,
exchange them so that the options come first. */
if (first_nonopt != last_nonopt && last_nonopt != optind)
exchange((char **) argv);
else if (last_nonopt != optind)
first_nonopt = optind;
/* Skip any additional non-options
and extend the range of non-options previously skipped. */
while (optind < argc && NONOPTION_P)
optind++;
last_nonopt = optind;
}
/* 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 (optind != argc && !strcmp(argv[optind], "--")) {
optind++;
if (first_nonopt != last_nonopt && last_nonopt != optind)
exchange((char **) argv);
else if (first_nonopt == last_nonopt)
first_nonopt = optind;
last_nonopt = argc;
optind = argc;
}
/* If we have done all the ARGV-elements, stop the scan
and back over any non-options that we skipped and permuted. */
if (optind == 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)
optind = 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 (NONOPTION_P) {
if (ordering == REQUIRE_ORDER)
return -1;
optarg = argv[optind++];
return 1;
}
/* We have found another option-ARGV-element.
Skip the initial punctuation. */
nextchar = (argv[optind] + 1 + (longopts != NULL && argv[optind][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[optind][1] == '-' || (long_only && (argv[optind][2]
|| !my_index(optstring, argv[optind][1]))))) {
char *nameend;
const struct option *p;
const struct option *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 ((UINT) (nameend - nextchar)
== (UINT) 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 if (long_only || pfound->has_arg != p->has_arg || pfound->flag != p->flag || pfound->val != p->val)
/* Second or later nonexact match found. */
ambig = 1;
}
if (ambig && !exact) {
PRINT_ERROR( "%s: option `%s' is ambiguous\n", argv[0], argv[optind]);
nextchar += strlen(nextchar);
optind++;
optopt = 0;
return '?';
}
if (pfound != NULL) {
option_index = indfound;
optind++;
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)
optarg = nameend + 1;
else {
if (argv[optind - 1][1] == '-') {
/* --option */
PRINT_ERROR( "%s: option `--%s' doesn't allow an argument\n", argv[0], pfound->name);
} else {
/* +option or -option */
PRINT_ERROR("%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 (pfound->has_arg == 1) {
if (optind < argc)
optarg = argv[optind++];
else {
PRINT_ERROR("%s: option `%s' requires an argument\n", argv[0], argv[optind - 1]);
nextchar += strlen(nextchar);
optopt = 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;
}
/* 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[optind][1] == '-' || my_index(optstring, *nextchar) == NULL) {
if (argv[optind][1] == '-') {
/* --option */
PRINT_ERROR("%s: unrecognized option `--%s'\n", argv[0], nextchar);
} else {
/* +option or -option */
PRINT_ERROR("%s: unrecognized option `%c%s'\n", argv[0], argv[optind][0], nextchar);
}
nextchar = (char *) "";
optind++;
optopt = 0;
return '?';
}
}
/* Look at and handle the next short option-character. */
{
char c = *nextchar++;
char *temp = my_index(optstring, c);
/* Increment `optind' when we start to process its last character. */
if (*nextchar == '\0')
++optind;
if (temp == NULL || c == ':') {
/* 1003.2 specifies the format of this message. */
PRINT_ERROR("%s: illegal option -- %c\n", argv[0], c);
optopt = c;
return '?';
}
#ifdef SPECIAL_TREATMENT_FOR_W
/* Convenience. Treat POSIX -W foo same as long option --foo */
if (temp[0] == 'W' && temp[1] == ';') {
char *nameend;
const struct option *p;
const struct option *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') {
optarg = nextchar;
/* If we end this ARGV-element by taking the rest as an arg,
we must advance to the next element now. */
optind++;
} else if (optind == argc) {
/* 1003.2 specifies the format of this message. */
PRINT_ERROR("%s: option requires an argument -- %c\n", argv[0], c);
optopt = c;
if (optstring[0] == ':')
c = ':';
else
c = '?';
return c;
} else
/* We already incremented `optind' once;
increment it again when taking next ARGV-elt as argument. */
optarg = argv[optind++];
/* optarg is now the argument, see if it's in the
table of longopts. */
for (nextchar = nameend = optarg; *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 ((UINT) (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;
}
if (ambig && !exact) {
PRINT_ERROR("%s: option `-W %s' is ambiguous\n", argv[0], argv[optind]);
nextchar += strlen(nextchar);
optind++;
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)
optarg = nameend + 1;
else {
PRINT_ERROR("%s: option `-W %s' doesn't allow an argument\n", argv[0], pfound->name);
nextchar += strlen(nextchar);
return '?';
}
} else if (pfound->has_arg == 1) {
if (optind < argc)
optarg = argv[optind++];
else {
PRINT_ERROR("%s: option `%s' requires an argument\n", argv[0], argv[optind - 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;
}
nextchar = NULL;
return 'W'; /* Let the application handle it. */
}
#endif
if (temp[1] == ':') {
if (temp[2] == ':') {
/* This is an option that accepts an argument optionally. */
if (*nextchar != '\0') {
optarg = nextchar;
optind++;
} else
optarg = NULL;
nextchar = NULL;
} else {
/* This is an option that requires an argument. */
if (*nextchar != '\0') {
optarg = nextchar;
/* If we end this ARGV-element by taking the rest as an arg,
we must advance to the next element now. */
optind++;
} else if (optind == argc) {
/* 1003.2 specifies the format of this message. */
PRINT_ERROR("%s: option requires an argument -- %c\n", argv[0], c);
optopt = c;
if (optstring[0] == ':')
c = ':';
else
c = '?';
} else
/* We already incremented `optind' once;
increment it again when taking next ARGV-elt as argument. */
optarg = argv[optind++];
nextchar = NULL;
}
}
return c;
}
}
int _getopt_internal (int argc, char *const *argv, const char *optstring,
const struct option *longopts, int *longind, int long_only)
{
optarg = NULL;
if (optind == 0)
{
optstring = _getopt_initialize (optstring);
optind = 1; /* Don't scan ARGV[0], the program name. */
}
if (nextchar == NULL || *nextchar == '\0')
{
/* Advance to the next ARGV-element. */
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 != optind)
exchange ((char **) argv);
else if (last_nonopt != optind)
first_nonopt = optind;
/* Skip any additional non-options
and extend the range of non-options previously skipped. */
while (optind < argc
&& (argv[optind][0] != '-' || argv[optind][1] == '\0'))
optind++;
last_nonopt = optind;
}
/* 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 (optind != argc && !strcmp (argv[optind], "--"))
{
optind++;
if (first_nonopt != last_nonopt && last_nonopt != optind)
exchange ((char **) argv);
else if (first_nonopt == last_nonopt)
first_nonopt = optind;
last_nonopt = argc;
optind = argc;
}
/* If we have done all the ARGV-elements, stop the scan
and back over any non-options that we skipped and permuted. */
if (optind == 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)
optind = first_nonopt;
return EOF;
}
/* 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 (ordering == REQUIRE_ORDER)
return EOF;
optarg = argv[optind++];
return 1;
}
/* We have found another option-ARGV-element.
Skip the initial punctuation. */
nextchar = (argv[optind] + 1
+ (longopts != NULL && argv[optind][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[optind][1] == '-'
|| (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
{
char *nameend;
const struct option *p;
const struct option *pfound = NULL;
int exact = 0;
int ambig = 0;
int indfound;
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) == 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 (ambig && !exact)
{
if (opterr)
fprintf (stderr, gettext ("%s: option `%s' is ambiguous\n"),
argv[0], argv[optind]);
nextchar += strlen (nextchar);
optind++;
return '?';
}
if (pfound != NULL)
{
option_index = indfound;
optind++;
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)
optarg = nameend + 1;
else
{
if (opterr)
if (argv[optind - 1][1] == '-')
/* --option */
fprintf (stderr,
gettext ("%s: option `--%s' doesn't allow an argument\n"),
argv[0], pfound->name);
else
/* +option or -option */
fprintf (stderr,
gettext ("%s: option `%c%s' doesn't allow an argument\n"),
argv[0], argv[optind - 1][0], pfound->name);
nextchar += strlen (nextchar);
return '?';
}
}
else if (pfound->has_arg == 1)
{
if (optind < argc)
optarg = argv[optind++];
else
{
if (opterr)
fprintf (stderr,
gettext ("%s: option `%s' requires an argument\n"),
argv[0], argv[optind - 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[optind][1] == '-'
|| my_index (optstring, *nextchar) == NULL)
{
if (opterr)
{
if (argv[optind][1] == '-')
/* --option */
fprintf (stderr, gettext ("%s: unrecognized option `--%s'\n"),
argv[0], nextchar);
else
/* +option or -option */
fprintf (stderr, gettext ("%s: unrecognized option `%c%s'\n"),
argv[0], argv[optind][0], nextchar);
}
nextchar = (char *) "";
optind++;
return '?';
}
}
/* Look at and handle the next short option-character. */
{
char c = *nextchar++;
char *temp = my_index (optstring, c);
/* Increment `optind' when we start to process its last character. */
if (*nextchar == '\0')
++optind;
if (temp == NULL || c == ':')
{
if (opterr)
{
if (posixly_correct)
/* 1003.2 specifies the format of this message. */
fprintf (stderr, gettext ("%s: illegal option -- %c\n"),
argv[0], c);
else
fprintf (stderr, gettext ("%s: invalid option -- %c\n"),
argv[0], c);
}
optopt = c;
return '?';
}
if (temp[1] == ':')
{
if (temp[2] == ':')
{
/* This is an option that accepts an argument optionally. */
if (*nextchar != '\0')
{
optarg = nextchar;
optind++;
}
else
optarg = NULL;
nextchar = NULL;
}
else
{
/* This is an option that requires an argument. */
if (*nextchar != '\0')
{
optarg = nextchar;
/* If we end this ARGV-element by taking the rest as an arg,
we must advance to the next element now. */
optind++;
}
else if (optind == argc)
{
if (opterr)
{
/* 1003.2 specifies the format of this message. */
fprintf (stderr,
gettext ("%s: option requires an argument -- %c\n"),
argv[0], c);
}
optopt = c;
if (optstring[0] == ':')
c = ':';
else
c = '?';
}
else
/* We already incremented `optind' once;
increment it again when taking next ARGV-elt as argument. */
optarg = argv[optind++];
nextchar = NULL;
}
}
return c;
}
}
