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-rw-r--r--posix/getopt.h30
1 files changed, 19 insertions, 11 deletions
diff --git a/posix/getopt.h b/posix/getopt.h
index 68958c10bc..c9414373a5 100644
--- a/posix/getopt.h
+++ b/posix/getopt.h
@@ -1,5 +1,5 @@
/* Declarations for getopt.
- Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+ Copyright (C) 1989,90,91,92,93,94,96,97,98 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
@@ -55,6 +55,7 @@ extern int opterr;
extern int optopt;
+#ifdef _GNU_SOURCE
/* Describe the long-named options requested by the application.
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
of `struct option' terminated by an element containing a name which is
@@ -78,11 +79,11 @@ extern int optopt;
struct option
{
-#if defined (__STDC__) && __STDC__
+# if defined __STDC__ && __STDC__
const char *name;
-#else
+# else
char *name;
-#endif
+# endif
/* has_arg can't be an enum because some compilers complain about
type mismatches in all the code that assumes it is an int. */
int has_arg;
@@ -92,19 +93,23 @@ struct option
/* Names for the values of the `has_arg' field of `struct option'. */
-#define no_argument 0
-#define required_argument 1
-#define optional_argument 2
+# define no_argument 0
+# define required_argument 1
+# define optional_argument 2
+#endif /* GNU source */
+
-#if defined (__STDC__) && __STDC__
-#ifdef __GNU_LIBRARY__
+#if defined __STDC__ && __STDC__
+# ifdef __GNU_LIBRARY__
/* Many other libraries have conflicting prototypes for getopt, with
differences in the consts, in stdlib.h. To avoid compilation
errors, only prototype getopt for the GNU C library. */
extern int getopt (int argc, char *const *argv, const char *shortopts);
-#else /* not __GNU_LIBRARY__ */
+# else /* not __GNU_LIBRARY__ */
extern int getopt ();
-#endif /* __GNU_LIBRARY__ */
+# endif /* __GNU_LIBRARY__ */
+
+# ifdef _GNU_SOURCE
extern int getopt_long (int argc, char *const *argv, const char *shortopts,
const struct option *longopts, int *longind);
extern int getopt_long_only (int argc, char *const *argv,
@@ -116,12 +121,15 @@ extern int _getopt_internal (int argc, char *const *argv,
const char *shortopts,
const struct option *longopts, int *longind,
int long_only);
+# endif
#else /* not __STDC__ */
extern int getopt ();
+# ifdef _GNU_SOURCE
extern int getopt_long ();
extern int getopt_long_only ();
extern int _getopt_internal ();
+# endif
#endif /* __STDC__ */
#ifdef __cplusplus