diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/getopt_int.h | 136 | ||||
| -rw-r--r-- | libc/unistd/getopt.c | 19 |
2 files changed, 154 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/bits/getopt_int.h b/libc/sysdeps/linux/common/bits/getopt_int.h new file mode 100644 index 000000000..291edfe24 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/getopt_int.h @@ -0,0 +1,136 @@ +/* Internal declarations for getopt. + Copyright (C) 1989-1994,1996-1999,2001,2003,2004 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _GETOPT_INT_H +#define _GETOPT_INT_H 1 + +extern int _getopt_internal (int ___argc, char *const *___argv, + const char *__shortopts, + const struct option *__longopts, int *__longind, + int __long_only) attribute_hidden; + + +/* Reentrant versions which can handle parsing multiple argument + vectors at the same time. */ + +/* For __ordering member */ +enum { + REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER +}; + +/* Data type for reentrant functions. */ + +struct _getopt_data +{ + /* These have exactly the same meaning as the corresponding global + variables, except that they are used for the reentrant + versions of getopt. */ + int optind; + int opterr; + char *optarg; + smalluint optopt; /* we store characters here, a byte is enough */ + + /* Internal members. */ + + /* True if the internal members have been initialized. */ + smallint __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. + + 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. + + 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. + + 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. */ + smallint __ordering; + + /* If the POSIXLY_CORRECT environment variable is set. */ + smallint __posixly_correct; + + /* 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. */ + char *__nextchar; + + + /* 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. */ + + int __first_nonopt; + int __last_nonopt; + +#if defined _LIBC && defined USE_NONOPTION_FLAGS + int __nonoption_flags_max_len; + int __nonoption_flags_len; +# endif +}; + +/* The initializer is necessary to set OPTIND and OPTERR to their + default values and to clear the initialization flag. */ +#define _GETOPT_DATA_INITIALIZER { 1, 1 } + +#if 0 /* first is static on uClibc, the others not used */ +extern int _getopt_internal_r (int ___argc, char *const *___argv, + const char *__shortopts, + const struct option *__longopts, int *__longind, + int __long_only, struct _getopt_data *__data); +#endif +#if defined __UCLIBC_HAS_GNU_GETOPT__ || defined __UCLIBC_HAS_GETOPT_LONG__ +#ifndef __need_getopt +extern int _getopt_long_r (int ___argc, char *const *___argv, + const char *__shortopts, + const struct option *__longopts, int *__longind, + struct _getopt_data *__data); + +extern int _getopt_long_only_r (int ___argc, char *const *___argv, + const char *__shortopts, + const struct option *__longopts, + int *__longind, + struct _getopt_data *__data); +#endif +#endif +#endif /* getopt_int.h */ diff --git a/libc/unistd/getopt.c b/libc/unistd/getopt.c index f63482bc8..db5e12c59 100644 --- a/libc/unistd/getopt.c +++ b/libc/unistd/getopt.c @@ -105,7 +105,7 @@ they can distinguish the relative order of options and other arguments. */ #include <getopt.h> -#include "getopt_int.h" +#include <bits/getopt_int.h> /* For communication from `getopt' to the caller. @@ -1170,6 +1170,15 @@ getopt_long (int argc, char *const *argv, const char *options, return _getopt_internal (argc, argv, options, long_options, opt_index, 0); } +int +_getopt_long_r (int argc, char *const *argv, const char *options, + const struct option *long_options, int *opt_index, + struct _getopt_data *d) +{ + return _getopt_internal_r (argc, argv, options, long_options, opt_index, + 0, d); +} + /* Like getopt_long, but '-' as well as '--' can indicate a long option. If an option that starts with '-' (not '--') doesn't match a long option, but does match a short option, it is parsed as a short option @@ -1183,4 +1192,12 @@ getopt_long_only (int argc, char *const *argv, const char *options, } #endif /* __UCLIBC_HAS_GETOPT_LONG__ */ +int +_getopt_long_only_r (int argc, char *const *argv, const char *options, + const struct option *long_options, int *opt_index, + struct _getopt_data *d) +{ + return _getopt_internal_r (argc, argv, options, long_options, opt_index, 1, d); +} + #endif /* Not ELIDE_CODE. */ |