diff options
Diffstat (limited to 'libc/unistd/getopt.c')
| -rw-r--r-- | libc/unistd/getopt.c | 1377 |
1 files changed, 882 insertions, 495 deletions
diff --git a/libc/unistd/getopt.c b/libc/unistd/getopt.c index 974f5b876..cffde47e1 100644 --- a/libc/unistd/getopt.c +++ b/libc/unistd/getopt.c @@ -2,7 +2,7 @@ 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 + Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002,2003,2004 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -25,26 +25,85 @@ * Modified for uClibc by Manuel Novoa III on 1/5/01. * Modified once again for uClibc by Erik Andersen 8/7/02 */ + +/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>. + Ditto for AIX 3.2 and <stdlib.h>. */ +#ifndef _NO_PROTO +# define _NO_PROTO +#endif +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#define __FORCE_GLIBC #include <features.h> + #include <stdio.h> + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GETOPT_INTERFACE_VERSION 2 +#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2 +# include <gnu-versions.h> +# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION +# define ELIDE_CODE +# endif +#endif + +#ifndef ELIDE_CODE + + +/* 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 <stdlib.h> +# include <unistd.h> +#endif /* GNU C library. */ + #include <string.h> -#include <stdlib.h> -#ifdef __UCLIBC_HAS_GETTEXT_AWARENESS__ -#include <libintl.h> + +#ifdef VMS +# include <unixlib.h> #endif +#if !defined __UCLIBC__ && !defined __UCLIBC_HAS_GETTEXT_AWARENESS__ +#ifdef _LIBC +# include <libintl.h> +#else +# include "gettext.h" +# define _(msgid) gettext (msgid) +#endif +#else #ifdef __UCLIBC_MJN3_ONLY__ #warning TODO: Enable gettext awareness. #endif /* __UCLIBC_MJN3_ONLY__ */ #undef _ -#define _(X) X +#define _(X) X + +#endif /* Treat '-W foo' the same as the long option '--foo', * disabled for the moment since it costs about 2k... */ #undef SPECIAL_TREATMENT_FOR_W +#if defined _LIBC && defined USE_IN_LIBIO +# include <wchar.h> +#endif + +#ifndef attribute_hidden +# 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. @@ -60,6 +119,7 @@ they can distinguish the relative order of options and other arguments. */ #include <getopt.h> +#include "getopt_int.h" libc_hidden_proto(strchr) libc_hidden_proto(strcmp) @@ -69,17 +129,13 @@ libc_hidden_proto(getenv) libc_hidden_proto(fprintf) libc_hidden_proto(stderr) -extern int _getopt_internal (int argc, char *const *argv, const char *optstring, - const struct option *longopts, int *longind, int long_only) attribute_hidden; - - /* For communication from `getopt' to the caller. When `getopt' finds an option that takes an argument, the argument value is returned here. Also, when `ordering' is RETURN_IN_ORDER, each non-option ARGV-element is returned here. */ -char *optarg = NULL; +char *optarg; /* Index in ARGV of the next element to be scanned. This is used for communication to and from the caller @@ -107,66 +163,49 @@ int opterr = 1; int optopt = '?'; -/* The next char to be scanned in the option-element - in which the last option character we returned was found. - This allows us to pick up the scan where we left off. - - If this is zero, or a null string, it means resume the scan - by advancing to the next ARGV-element. */ - -static char *nextchar; - -/* Formerly, initialization of getopt depended on optind==0, which - causes problems with re-calling getopt as programs generally don't - know that. */ - -static int __getopt_initialized; - -/* Describe how to deal with options that follow non-option ARGV-elements. - - If the caller did not specify anything, - the default is REQUIRE_ORDER if the environment variable - POSIXLY_CORRECT is defined, PERMUTE otherwise. +/* Keep a global copy of all internal members of getopt_data. */ - REQUIRE_ORDER means don't recognize them as options; - stop option processing when the first non-option is seen. - This is what Unix does. - This mode of operation is selected by either setting the environment - variable POSIXLY_CORRECT, or using `+' as the first character - of the list of option characters. +static struct _getopt_data getopt_data; - PERMUTE is the default. We permute the contents of ARGV as we scan, - so that eventually all the non-options are at the end. This allows options - to be given in any order, even with programs that were not written to - expect this. - - RETURN_IN_ORDER is an option available to programs that were written - to expect options and other ARGV-elements in any order and that care about - the ordering of the two. We describe each non-option ARGV-element - as if it were the argument of an option with character code 1. - Using `-' as the first character of the list of option characters - selects this mode of operation. + +#ifndef __GNU_LIBRARY__ - The special argument `--' forces an end of option-scanning regardless - of the value of `ordering'. In the case of RETURN_IN_ORDER, only - `--' can cause `getopt' to return -1 with `optind' != ARGC. */ +/* Avoid depending on library functions or files + whose names are inconsistent. */ -static enum -{ - REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER -} ordering; +#ifndef getenv +extern char *getenv (); +#endif -# include <string.h> -# define my_index strchr +#endif /* not __GNU_LIBRARY__ */ -/* Handle permutation of arguments. */ - -/* Describe the part of ARGV that contains non-options that have - been skipped. `first_nonopt' is the index in ARGV of the first of them; - `last_nonopt' is the index after the last of them. */ - -static int first_nonopt; -static int last_nonopt; +#ifdef _LIBC +/* Stored original parameters. + 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). */ +# ifdef USE_NONOPTION_FLAGS +extern int __libc_argc; +extern char **__libc_argv; + +/* 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; + +# define SWAP_FLAGS(ch1, ch2) \ + if (d->__nonoption_flags_len > 0) \ + { \ + char __tmp = __getopt_nonoption_flags[ch1]; \ + __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2]; \ + __getopt_nonoption_flags[ch2] = __tmp; \ + } +# else +# define SWAP_FLAGS(ch1, ch2) +# endif +#else /* !_LIBC */ +# define SWAP_FLAGS(ch1, ch2) +#endif /* _LIBC */ /* Exchange two adjacent subsequences of ARGV. One subsequence is elements [first_nonopt,last_nonopt) @@ -177,90 +216,149 @@ 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. */ -static void exchange (char **argv) +static void +exchange (char **argv, struct _getopt_data *d) { - int bottom = first_nonopt; - int middle = last_nonopt; - int top = optind; - 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. */ + int bottom = d->__first_nonopt; + int middle = d->__last_nonopt; + int top = d->optind; + 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. */ + +#if defined _LIBC && defined USE_NONOPTION_FLAGS + /* 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 (d->__nonoption_flags_len > 0 && top >= d->__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) + d->__nonoption_flags_len = d->__nonoption_flags_max_len = 0; + else + { + memset (__mempcpy (new_str, __getopt_nonoption_flags, + d->__nonoption_flags_max_len), + '\0', top + 1 - d->__nonoption_flags_max_len); + d->__nonoption_flags_max_len = top + 1; + __getopt_nonoption_flags = new_str; + } + } +#endif - while (top > middle && middle > bottom) + 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++) + /* 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; + 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; + /* Exclude the moved bottom segment from further swapping. */ + top -= len; } - else + else { - /* Top segment is the short one. */ - int len = top - middle; - register int i; + /* 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++) + /* 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; + 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; + /* Exclude the moved top segment from further swapping. */ + bottom += len; } } - /* Update records for the slots the non-options now occupy. */ + /* Update records for the slots the non-options now occupy. */ - first_nonopt += (optind - last_nonopt); - last_nonopt = optind; + d->__first_nonopt += (d->optind - d->__last_nonopt); + d->__last_nonopt = d->optind; } /* Initialize the internal data when the first call is made. */ -static const char *_getopt_initialize (attribute_unused int argc, attribute_unused char *const * argv, const char *optstring) +static const char * +_getopt_initialize (attribute_unused int argc, attribute_unused char *const *argv, const char *optstring, + struct _getopt_data *d) { - /* 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. */ + /* 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. */ + + d->__first_nonopt = d->__last_nonopt = d->optind; - first_nonopt = last_nonopt = optind; + d->__nextchar = NULL; - nextchar = NULL; + d->__posixly_correct = !!getenv ("POSIXLY_CORRECT"); - /* Determine how to handle the ordering of options and nonoptions. */ + /* Determine how to handle the ordering of options and nonoptions. */ - if (optstring[0] == '-') + if (optstring[0] == '-') + { + d->__ordering = RETURN_IN_ORDER; + ++optstring; + } + else if (optstring[0] == '+') { - ordering = RETURN_IN_ORDER; - ++optstring; + d->__ordering = REQUIRE_ORDER; + ++optstring; } - else if (optstring[0] == '+') + else if (d->__posixly_correct) + d->__ordering = REQUIRE_ORDER; + else + d->__ordering = PERMUTE; + +#if defined _LIBC && defined USE_NONOPTION_FLAGS + if (!d->__posixly_correct + && argc == __libc_argc && argv == __libc_argv) { - ordering = REQUIRE_ORDER; - ++optstring; + if (d->__nonoption_flags_max_len == 0) + { + if (__getopt_nonoption_flags == NULL + || __getopt_nonoption_flags[0] == '\0') + d->__nonoption_flags_max_len = -1; + else + { + const char *orig_str = __getopt_nonoption_flags; + int len = d->__nonoption_flags_max_len = strlen (orig_str); + if (d->__nonoption_flags_max_len < argc) + d->__nonoption_flags_max_len = argc; + __getopt_nonoption_flags = + (char *) malloc (d->__nonoption_flags_max_len); + if (__getopt_nonoption_flags == NULL) + d->__nonoption_flags_max_len = -1; + else + memset (__mempcpy (__getopt_nonoption_flags, orig_str, len), + '\0', d->__nonoption_flags_max_len - len); + } + } + d->__nonoption_flags_len = d->__nonoption_flags_max_len; } - else if (getenv ("POSIXLY_CORRECT") != NULL) - ordering = REQUIRE_ORDER; - else - ordering = PERMUTE; + else + d->__nonoption_flags_len = 0; +#endif - return optstring; + return optstring; } /* Scan elements of ARGV (whose length is ARGC) for option characters @@ -319,489 +417,776 @@ static const char *_getopt_initialize (attribute_unused int argc, attribute_unus If LONG_ONLY is nonzero, '-' as well as '--' can introduce long-named options. */ -int _getopt_internal (int argc, char *const *argv, const char *optstring, - const struct option *longopts, int *longind, int long_only) +static int +_getopt_internal_r (int argc, char *const *argv, const char *optstring, + const struct option *longopts, int *longind, + int long_only, struct _getopt_data *d) { - int print_errors = opterr; - if (optstring[0] == ':') - print_errors = 0; + int print_errors = d->opterr; + if (optstring[0] == ':') + print_errors = 0; - if (argc < 1) - return -1; + if (argc < 1) + return -1; - optarg = NULL; + d->optarg = NULL; - if (optind == 0 || !__getopt_initialized) + if (d->optind == 0 || !d->__initialized) { - if (optind == 0) - optind = 1; /* Don't scan ARGV[0], the program name. */ - optstring = _getopt_initialize (argc, argv, optstring); - __getopt_initialized = 1; + if (d->optind == 0) + d->optind = 1; /* Don't scan ARGV[0], the program name. */ + optstring = _getopt_initialize (argc, argv, optstring, d); + d->__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') + /* 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. */ +#if defined _LIBC && defined USE_NONOPTION_FLAGS +# define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0' \ + || (d->optind < d->__nonoption_flags_len \ + && __getopt_nonoption_flags[d->optind] == '1')) +#else +# define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0') +#endif - if (nextchar == NULL || *nextchar == '\0') + if (d->__nextchar == NULL || *d->__nextchar == '\0') { - /* Advance to the next ARGV-element. */ + /* 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; + /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been + moved back by the user (who may also have changed the arguments). */ + if (d->__last_nonopt > d->optind) + d->__last_nonopt = d->optind; + if (d->__first_nonopt > d->optind) + d->__first_nonopt = d->optind; - if (ordering == PERMUTE) + if (d->__ordering == PERMUTE) { - /* If we have just processed some options following some non-options, - exchange them so that the options come first. */ + /* 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; + if (d->__first_nonopt != d->__last_nonopt + && d->__last_nonopt != d->optind) + exchange ((char **) argv, d); + else if (d->__last_nonopt != d->optind) + d->__first_nonopt = d->optind; - /* 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 (optind < argc && NONOPTION_P) - optind++; - last_nonopt = optind; + while (d->optind < argc && NONOPTION_P) + d->optind++; + d->__last_nonopt = d->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. */ + /* 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], "--")) + if (d->optind != argc && !strcmp (argv[d->optind], "--")) { - optind++; + d->optind++; - if (first_nonopt != last_nonopt && last_nonopt != optind) - exchange ((char **) argv); - else if (first_nonopt == last_nonopt) - first_nonopt = optind; - last_nonopt = argc; + if (d->__first_nonopt != d->__last_nonopt + && d->__last_nonopt != d->optind) + exchange ((char **) argv, d); + else if (d->__first_nonopt == d->__last_nonopt) + d->__first_nonopt = d->optind; + d->__last_nonopt = argc; - optind = argc; + d->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 we have done all the ARGV-elements, stop the scan + and back over any non-options that we skipped and permuted. */ - if (optind == argc) + if (d->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; + /* Set the next-arg-index to point at the non-options + that we previously skipped, so the caller will digest them. */ + if (d->__first_nonopt != d->__last_nonopt) + d->optind = d->__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 (NONOPTION_P) { - if (ordering == REQUIRE_ORDER) - return -1; - optarg = argv[optind++]; - return 1; + if (d->__ordering == REQUIRE_ORDER) + return -1; + d->optarg = argv[d->optind++]; + 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[optind] + 1 - + (longopts != NULL && argv[optind][1] == '-')); + d->__nextchar = (argv[d->optind] + 1 + + (longopts != NULL && argv[d->optind][1] == '-')); } - /* Decode the current option-ARGV-element. */ + /* Decode the current option-ARGV-element. */ - /* Check whether the ARGV-element is a long option. + /* 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. + 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". + 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. */ + 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]))))) + if (longopts != NULL + && (argv[d->optind][1] == '-' + || (long_only && (argv[d->optind][2] + || !strchr (optstring, argv[d->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)) + 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 = d->__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, d->__nextchar, nameend - d->__nextchar)) + { + if ((unsigned int) (nameend - d->__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 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) + { + if (print_errors) { - 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) +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[d->optind]) >= 0) { - /* 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; - } + _IO_flockfile (stderr); - if (ambig && !exact) - { - if (print_errors) - { - fprintf (stderr, _("%s: option `%s' is ambiguous\n"), - argv[0], argv[optind]); + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option `%s' is ambiguous\n"), + argv[0], argv[d->optind]); +#endif } - nextchar += strlen (nextchar); - optind++; - optopt = 0; - return '?'; + d->__nextchar += strlen (d->__nextchar); + d->optind++; + d->optopt = 0; + return '?'; } - if (pfound != NULL) + if (pfound != NULL) { - option_index = indfound; - optind++; - if (*nameend) + option_index = indfound; + d->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 + /* Don't test has_arg with >, because some C compilers don't + allow it to be used on enums. */ + if (pfound->has_arg) + d->optarg = nameend + 1; + else { - if (print_errors) + if (print_errors) { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif - if (argv[optind - 1][1] == '-') + if (argv[d->optind - 1][1] == '-') { - /* --option */ - fprintf (stderr, _("\ - %s: option `--%s' doesn't allow an argument\n"), - argv[0], pfound->name); + /* --option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("\ +%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); +#else + fprintf (stderr, _("\ +%s: option `--%s' doesn't allow an argument\n"), + argv[0], pfound->name); +#endif } - else + else { - /* +option or -option */ - fprintf (stderr, _("\ - %s: option `%c%s' doesn't allow an argument\n"), - argv[0], argv[optind - 1][0], pfound->name); + /* +option or -option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("\ +%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[d->optind - 1][0], + pfound->name); +#else + fprintf (stderr, _("\ +%s: option `%c%s' doesn't allow an argument\n"), + argv[0], argv[d->optind - 1][0], + pfound->name); +#endif } +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#endif } - nextchar += strlen (nextchar); + d->__nextchar += strlen (d->__nextchar); - optopt = pfound->val; - return '?'; + d->optopt = pfound->val; + return '?'; } } - else if (pfound->has_arg == 1) + else if (pfound->has_arg == 1) { - if (optind < argc) - optarg = argv[optind++]; - else + if (d->optind < argc) + d->optarg = argv[d->optind++]; + else { - if (print_errors) + if (print_errors) { - fprintf (stderr, - _("%s: option `%s' requires an argument\n"), - argv[0], argv[optind - 1]); +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `%s' requires an argument\n"), + argv[0], argv[d->optind - 1]) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, + _("%s: option `%s' requires an argument\n"), + argv[0], argv[d->optind - 1]); +#endif } - nextchar += strlen (nextchar); - optopt = pfound->val; - return optstring[0] == ':' ? ':' : '?'; + d->__nextchar += strlen (d->__nextchar); + d->optopt = pfound->val; + return optstring[0] == ':' ? ':' : '?'; } } - nextchar += strlen (nextchar); - if (longind != NULL) - *longind = option_index; - if (pfound->flag) + d->__nextchar += strlen (d->__nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) { - *(pfound->flag) = pfound->val; - return 0; + *(pfound->flag) = pfound->val; + return 0; } - return pfound->val; + 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) + /* 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[d->optind][1] == '-' + || strchr (optstring, *d->__nextchar) == NULL) { - if (print_errors) + if (print_errors) { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif - if (argv[optind][1] == '-') + if (argv[d->optind][1] == '-') { - /* --option */ - fprintf (stderr, _("%s: unrecognized option `--%s'\n"), - argv[0], nextchar); + /* --option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"), + argv[0], d->__nextchar); +#else + fprintf (stderr, _("%s: unrecognized option `--%s'\n"), + argv[0], d->__nextchar); +#endif } - else + else { - /* +option or -option */ - fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), - argv[0], argv[optind][0], nextchar); + /* +option or -option */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[d->optind][0], d->__nextchar); +#else + fprintf (stderr, _("%s: unrecognized option `%c%s'\n"), + argv[0], argv[d->optind][0], d->__nextchar); +#endif } +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#endif } - nextchar = (char *) ""; - optind++; - optopt = 0; - return '?'; + d->__nextchar = (char *) ""; + d->optind++; + d->optopt = 0; + return '?'; } } - /* Look at and handle the next short option-character. */ + /* Look at and handle the next short option-character. */ - { - char c = *nextchar++; - char *temp = my_index (optstring, c); + { + char c = *d->__nextchar++; + char *temp = strchr (optstring, c); - /* Increment `optind' when we start to process its last character. */ - if (*nextchar == '\0') - ++optind; + /* Increment `optind' when we start to process its last character. */ + if (*d->__nextchar == '\0') + ++d->optind; - if (temp == NULL || c == ':') - { - if (print_errors) - { - /* 1003.2 specifies the format of this message. */ - fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c); - } - optopt = c; - return '?'; - } + if (temp == NULL || c == ':') + { + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + int n; +#endif + + if (d->__posixly_correct) + { + /* 1003.2 specifies the format of this message. */ +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: illegal option -- %c\n"), + argv[0], c); +#else + fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c); +#endif + } + else + { +#if defined _LIBC && defined USE_IN_LIBIO + n = __asprintf (&buf, _("%s: invalid option -- %c\n"), + argv[0], c); +#else + fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c); +#endif + } + +#if defined _LIBC && defined USE_IN_LIBIO + if (n >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#endif + } + d->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; + /* 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) - { - if (print_errors) - { - /* 1003.2 specifies the format of this message. */ - fprintf (stderr, _("%s: option requires an argument -- %c\n"), - argv[0], c); - } - optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - return c; - } + /* This is an option that requires an argument. */ + if (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + d->optind++; + } + else if (d->optind == argc) + { + if (print_errors) + { + /* 1003.2 specifies the format of this message. */ +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, + _("%s: option requires an argument -- %c\n"), + argv[0], c) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option requires an argument -- %c\n"), + argv[0], c); +#endif + } + d->optopt = c; + if (optstring[0] == ':') + c = ':'; else - /* We already incremented `optind' once; - increment it again when taking next ARGV-elt as argument. */ - optarg = argv[optind++]; + c = '?'; + return c; + } + else + /* We already incremented `d->optind' once; + increment it again when taking next ARGV-elt as argument. */ + d->optarg = argv[d->optind++]; - /* optarg is now the argument, see if it's in the - table of longopts. */ + /* optarg is now the argument, see if it's in the + table of longopts. */ - for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++) - /* Do nothing. */ ; + for (d->__nextchar = nameend = d->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 ((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 (print_errors) - { - fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), - argv[0], argv[optind]); - } - nextchar += strlen (nextchar); - optind++; - return '?'; - } - if (pfound != NULL) + /* 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, d->__nextchar, nameend - d->__nextchar)) { - option_index = indfound; - if (*nameend) + if ((unsigned int) (nameend - d->__nextchar) == strlen (p->name)) { - /* 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 (print_errors) - { - fprintf (stderr, _("\ - %s: option `-W %s' doesn't allow an argument\n"), - argv[0], pfound->name); - } - - nextchar += strlen (nextchar); - return '?'; - } + /* Exact match found. */ + pfound = p; + indfound = option_index; + exact = 1; + break; } - else if (pfound->has_arg == 1) + else if (pfound == NULL) { - if (optind < argc) - optarg = argv[optind++]; - else - { - if (print_errors) - { - fprintf (stderr, - _("%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; + /* First nonexact match found. */ + pfound = p; + indfound = option_index; } - return pfound->val; + else + /* Second or later nonexact match found. */ + ambig = 1; } - nextchar = NULL; - return 'W'; /* Let the application handle it. */ - } + if (ambig && !exact) + { + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[d->optind]) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"), + argv[0], argv[d->optind]); #endif - if (temp[1] == ':') - { - if (temp[2] == ':') - { - /* This is an option that accepts an argument optionally. */ - if (*nextchar != '\0') - { - optarg = nextchar; - optind++; - } + } + d->__nextchar += strlen (d->__nextchar); + d->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) + d->optarg = nameend + 1; 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 (print_errors) - { - /* 1003.2 specifies the format of this message. */ + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, _("\ +%s: option `-W %s' doesn't allow an argument\n"), + argv[0], pfound->name); +#endif + } + + d->__nextchar += strlen (d->__nextchar); + return '?'; + } + } + else if (pfound->has_arg == 1) + { + if (d->optind < argc) + d->optarg = argv[d->optind++]; + else + { + if (print_errors) + { +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option `%s' requires an argument\n"), + argv[0], argv[d->optind - 1]) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 + |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else fprintf (stderr, - _("%s: option requires an argument -- %c\n"), - argv[0], c); - } - optopt = c; - if (optstring[0] == ':') - c = ':'; - else - c = '?'; - } + _("%s: option `%s' requires an argument\n"), + argv[0], argv[d->optind - 1]); +#endif + } + d->__nextchar += strlen (d->__nextchar); + return optstring[0] == ':' ? ':' : '?'; + } + } + d->__nextchar += strlen (d->__nextchar); + if (longind != NULL) + *longind = option_index; + if (pfound->flag) + { + *(pfound->flag) = pfound->val; + return 0; + } + return pfound->val; + } + d->__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 (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + d->optind++; + } + else + d->optarg = NULL; + d->__nextchar = NULL; + } + else + { + /* This is an option that requires an argument. */ + if (*d->__nextchar != '\0') + { + d->optarg = d->__nextchar; + /* If we end this ARGV-element by taking the rest as an arg, + we must advance to the next element now. */ + d->optind++; + } + else if (d->optind == argc) + { + if (print_errors) + { + /* 1003.2 specifies the format of this message. */ +#if defined _LIBC && defined USE_IN_LIBIO + char *buf; + + if (__asprintf (&buf, _("\ +%s: option requires an argument -- %c\n"), + argv[0], c) >= 0) + { + _IO_flockfile (stderr); + + int old_flags2 = ((_IO_FILE *) stderr)->_flags2; + ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL; + + __fxprintf (NULL, "%s", buf); + + ((_IO_FILE *) stderr)->_flags2 = old_flags2; + _IO_funlockfile (stderr); + + free (buf); + } +#else + fprintf (stderr, + _("%s: option requires an argument -- %c\n"), + argv[0], c); +#endif + } + d->optopt = c; + if (optstring[0] == ':') + c = ':'; else - /* We already incremented `optind' once; - increment it again when taking next ARGV-elt as argument. */ - optarg = argv[optind++]; - nextchar = NULL; - } - } - return c; - } + c = '?'; + } + else + /* We already incremented `optind' once; + increment it again when taking next ARGV-elt as argument. */ + d->optarg = argv[d->optind++]; + d->__nextchar = NULL; + } + } + return c; + } +} + +int +_getopt_internal (int argc, char *const *argv, const char *optstring, + const struct option *longopts, int *longind, int long_only) +{ + int result; + + getopt_data.optind = optind; + getopt_data.opterr = opterr; + + result = _getopt_internal_r (argc, argv, optstring, longopts, + longind, long_only, &getopt_data); + + optind = getopt_data.optind; + optarg = getopt_data.optarg; + optopt = getopt_data.optopt; + + return result; } -int getopt (int argc, char *const *argv, const char *optstring) +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, argv, optstring, + (const struct option *) 0, + (int *) 0, + 0); } -int getopt_long (int argc, char *const *argv, const char *options, - const struct option *long_options, int *opt_index) +int +getopt_long (int argc, char *const *argv, const char *options, + const struct option *long_options, int *opt_index) { - return _getopt_internal (argc, argv, options, long_options, opt_index, 0); + return _getopt_internal (argc, argv, options, long_options, opt_index, 0); } /* Like getopt_long, but '-' as well as '--' can indicate a long option. @@ -809,9 +1194,11 @@ int getopt_long (int argc, char *const *argv, const char *options, but does match a short option, it is parsed as a short option instead. */ -int getopt_long_only (int argc, char *const *argv, const char *options, - const struct option *long_options, int *opt_index) +int +getopt_long_only (int argc, char *const *argv, const char *options, + const struct option *long_options, int *opt_index) { - return _getopt_internal (argc, argv, options, long_options, opt_index, 1); + return _getopt_internal (argc, argv, options, long_options, opt_index, 1); } +#endif /* Not ELIDE_CODE. */ |