X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fgetopt.h;h=e9a7040b159899df3113c8fa19750eb02b710a86;hb=de7d5a03c2b956ab5753faf63b8148a279a71f29;hp=ddf6fdda5cbe8b31f3719ff97286933c8933ecdf;hpb=6dfdb323612184529b4b83c1be914dda8262de47;p=tinc diff --git a/src/getopt.h b/src/getopt.h index ddf6fdda..e9a7040b 100644 --- a/src/getopt.h +++ b/src/getopt.h @@ -1,3 +1,6 @@ +#ifndef TINC_GETOPT_H +#define TINC_GETOPT_H + /* Declarations for getopt. Copyright (C) 1989,90,91,92,93,94,96,97 Free Software Foundation, Inc. @@ -22,7 +25,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #ifndef _GETOPT_H #define _GETOPT_H 1 -#ifdef __cplusplus +#ifdef __cplusplus extern "C" { #endif @@ -63,9 +66,9 @@ extern int optopt; zero. The field `has_arg' is: - no_argument (or 0) if the option does not take an argument, - required_argument (or 1) if the option requires an argument, - optional_argument (or 2) if the option takes an optional argument. + no_argument (or 0) if the option does not take an argument, + required_argument (or 1) if the option requires an argument, + optional_argument (or 2) if the option takes an optional argument. If the field `flag' is not NULL, it points to a variable that is set to the value given in the field `val' when the option is found, but @@ -78,56 +81,55 @@ extern int optopt; one). For long options that have a zero `flag' field, `getopt' returns the contents of the `val' field. */ -struct option -{ +struct option { #if defined (__STDC__) && __STDC__ - const char *name; + const char *name; #else - char *name; + char *name; #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; - int *flag; - int val; + /* 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; + int *flag; + int val; }; /* 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 #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); +extern int getopt(int argc, char *const *argv, const char *shortopts); #else /* not __GNU_LIBRARY__ */ -extern int getopt (); +extern int getopt(); #endif /* __GNU_LIBRARY__ */ -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, - const char *shortopts, - const struct option *longopts, int *longind); +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, + const char *shortopts, + const struct option *longopts, int *longind); /* Internal only. Users should not call this directly. */ -extern int _getopt_internal (int argc, char *const *argv, - const char *shortopts, - const struct option *longopts, int *longind, - int long_only); +extern int _getopt_internal(int argc, char *const *argv, + const char *shortopts, + const struct option *longopts, int *longind, + int long_only); #else /* not __STDC__ */ -extern int getopt (); -extern int getopt_long (); -extern int getopt_long_only (); +extern int getopt(); +extern int getopt_long(); +extern int getopt_long_only(); -extern int _getopt_internal (); +extern int _getopt_internal(); #endif /* __STDC__ */ -#ifdef __cplusplus +#ifdef __cplusplus } #endif -#endif /* _GETOPT_H */ +#endif