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LibC: Make getopt available from getopt.h

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This commit is contained in:
Tim Schumacher 2023-07-15 18:51:44 +02:00 • committed by Andrew Kaster
parent aae106e37b
commit f8bd607733
3 changed files with 31 additions and 21 deletions
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29
Userland/Libraries/LibC/bits/getopt.h Normal file
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@ -0,0 +1,29 @@
/*
* Copyright (c) 2023, the SerenityOS contributors.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <sys/cdefs.h>
__BEGIN_DECLS
// If opterr is set (the default), print error messages to stderr.
extern int opterr;
// On errors, optopt is set to the erroneous *character*.
extern int optopt;
// Index of the next argument to process upon a getopt*() call.
extern int optind;
// If set, reset the internal state kept by getopt*(). You may also want to set
// optind to 1 in that case.
extern int optreset;
// After parsing an option that accept an argument, set to point to the argument
// value.
extern char* optarg;
int getopt(int argc, char* const* argv, char const* short_options);
int getsubopt(char** optionp, char* const* tokens, char** valuep);
__END_DECLS

6
Userland/Libraries/LibC/getopt.h
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@ -6,6 +6,7 @@
#pragma once
#include <bits/getopt.h>
#include <sys/cdefs.h>
__BEGIN_DECLS
@ -21,11 +22,6 @@ struct option {
int val;
};
extern int opterr;
extern int optopt;
extern int optind;
extern int optreset;
extern char* optarg;
int getopt_long(int argc, char* const* argv, char const* short_options, const struct option* long_options, int* out_long_option_index);
__END_DECLS

17
Userland/Libraries/LibC/unistd.h
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@ -14,6 +14,7 @@
#pragma once
#include <Kernel/API/POSIX/unistd.h>
#include <bits/getopt.h>
#include <fd_set.h>
#include <limits.h>
#include <sys/cdefs.h>
@ -162,20 +163,4 @@ enum {
long sysconf(int name);
// If opterr is set (the default), print error messages to stderr.
extern int opterr;
// On errors, optopt is set to the erroneous *character*.
extern int optopt;
// Index of the next argument to process upon a getopt*() call.
extern int optind;
// If set, reset the internal state kept by getopt*(). You may also want to set
// optind to 1 in that case.
extern int optreset;
// After parsing an option that accept an argument, set to point to the argument
// value.
extern char* optarg;
int getopt(int argc, char* const* argv, char const* short_options);
int getsubopt(char** optionp, char* const* tokens, char** valuep);
__END_DECLS