diff options
Diffstat (limited to 'posix/getopt.h')
| -rw-r--r-- | posix/getopt.h | 30 |
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 |