1 /* Declarations for getopt. 2 Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify it 5 under the terms of the GNU General Public License as published by the 6 Free Software Foundation; either version 2, or (at your option) any 7 later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software 16 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 17 18 /* Modified for use with Nessus by <jordan@mjh.teddy-net.com> 19 $Id: getopt.h,v 1.7 2000/03/19 20:16:41 jordan Exp $ */ 20 21 #ifndef _GETOPT_H 22 #define _GETOPT_H 1 23 24 #ifdef _WIN32 25 #define APPLY_OPTVAR_REPLACEMENTS 1 26 #endif 27 28 #ifdef __cplusplus 29 extern "C" { 30 #endif 31 32 /* For communication from `getopt' to the caller. 33 When `getopt' finds an option that takes an argument, 34 the argument value is returned here. 35 Also, when `ordering' is RETURN_IN_ORDER, 36 each non-option ARGV-element is returned here. */ 37 38 extern char *optarg; 39 40 /* Index in ARGV of the next element to be scanned. 41 This is used for communication to and from the caller 42 and for communication between successive calls to `getopt'. 43 44 On entry to `getopt', zero means this is the first call; initialize. 45 46 When `getopt' returns EOF, this is the index of the first of the 47 non-option elements that the caller should itself scan. 48 49 Otherwise, `optind' communicates from one call to the next 50 how much of ARGV has been scanned so far. */ 51 52 extern int optind; 53 54 /* Callers store zero here to inhibit the error message `getopt' prints 55 for unrecognized options. */ 56 57 extern int opterr; 58 59 /* Set to an option character which was unrecognized. */ 60 61 extern int optopt; 62 63 /* Describe the long-named options requested by the application. 64 The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector 65 of `struct option' terminated by an element containing a name which is 66 zero. 67 68 The field `has_arg' is: 69 no_argument (or 0) if the option does not take an argument, 70 required_argument (or 1) if the option requires an argument, 71 optional_argument (or 2) if the option takes an optional argument. 72 73 If the field `flag' is not NULL, it points to a variable that is set 74 to the value given in the field `val' when the option is found, but 75 left unchanged if the option is not found. 76 77 To have a long-named option do something other than set an `int' to 78 a compiled-in constant, such as set a value from `optarg', set the 79 option's `flag' field to zero and its `val' field to a nonzero 80 value (the equivalent single-letter option character, if there is 81 one). For long options that have a zero `flag' field, `getopt' 82 returns the contents of the `val' field. */ 83 84 struct option 85 { 86 #if __STDC__ 87 const char *name; 88 #else 89 char *name; 90 #endif 91 /* has_arg can't be an enum because some compilers complain about 92 type mismatches in all the code that assumes it is an int. */ 93 int has_arg; 94 int *flag; 95 int val; 96 }; 97 98 /* Names for the values of the `has_arg' field of `struct option'. */ 99 100 #define no_argument 0 101 #define required_argument 1 102 #define optional_argument 2 103 104 #if __STDC__ 105 #if 0 /* we do not use getopt, here with nessus */ 106 #if defined(__GNU_LIBRARY__) 107 /* Many other libraries have conflicting prototypes for getopt, with 108 differences in the consts, in stdlib.h. To avoid compilation 109 errors, only prototype getopt for the GNU C library. */ 110 extern int getopt (int argc, char *const *argv, const char *shortopts); 111 #else /* not __GNU_LIBRARY__ */ 112 extern int getopt (); 113 #endif /* not __GNU_LIBRARY__ */ 114 #endif /* we do not use getopt, here with nessus */ 115 #ifdef APPLY_OPTVAR_REPLACEMENTS 116 extern char *get_optarg (void); 117 extern int get_opterr (void); 118 extern int get_optind (void); 119 extern int get_optopt (void); 120 extern int inc_optind (void); 121 #endif /* APPLY_OPTVAR_REPLACEMENTS */ 122 extern int getopt_long (int argc, char *const *argv, const char *shortopts, 123 const struct option *longopts, int *longind); 124 extern int getopt_long_only (int argc, char *const *argv, 125 const char *shortopts, 126 const struct option *longopts, int *longind); 127 128 /* Internal only. Users should not call this directly. */ 129 extern int _getopt_internal (int argc, char *const *argv, 130 const char *shortopts, 131 const struct option *longopts, int *longind, 132 int long_only); 133 #else /* not __STDC__ */ 134 #ifdef APPLY_OPTVAR_REPLACEMENTS 135 extern char *get_optarg (); 136 extern int get_opterr (); 137 extern int get_optind (); 138 extern int get_optopt (); 139 extern int inc_optind (); 140 #endif /* APPLY_OPTVAR_REPLACEMENTS */ 141 extern int getopt (); 142 extern int getopt_long (); 143 extern int getopt_long_only (); 144 145 extern int _getopt_internal (); 146 #endif /* not __STDC__ */ 147 148 #ifdef APPLY_OPTVAR_REPLACEMENTS 149 #define optind get_optind () 150 #define optarg get_optarg () 151 #define opterr get_opterr () 152 #define optopt get_optopt () 153 #else /* APPLY_OPTVAR_REPLACEMENTS */ 154 #define inc_optind() (optind ++) 155 #define get_optind() (optind) 156 #define get_optarg() (optarg) 157 #define get_opterr() (opterr) 158 #define get_optopt() (optopt) 159 #endif /* APPLY_OPTVAR_REPLACEMENTS */ 160 161 #ifdef __cplusplus 162 } 163 #endif 164 165 #endif /* _GETOPT_H */ 166