| 38 |
|
extern "C" { |
| 39 |
|
#endif |
| 40 |
|
|
| 41 |
< |
/* For communication from `getopt' to the caller. |
| 42 |
< |
When `getopt' finds an option that takes an argument, |
| 43 |
< |
the argument value is returned here. |
| 44 |
< |
Also, when `ordering' is RETURN_IN_ORDER, |
| 45 |
< |
each non-option ARGV-element is returned here. */ |
| 41 |
> |
/* For communication from `getopt' to the caller. |
| 42 |
> |
When `getopt' finds an option that takes an argument, |
| 43 |
> |
the argument value is returned here. |
| 44 |
> |
Also, when `ordering' is RETURN_IN_ORDER, |
| 45 |
> |
each non-option ARGV-element is returned here. */ |
| 46 |
|
|
| 47 |
< |
extern char *optarg; |
| 47 |
> |
extern char *optarg; |
| 48 |
|
|
| 49 |
< |
/* Index in ARGV of the next element to be scanned. |
| 50 |
< |
This is used for communication to and from the caller |
| 51 |
< |
and for communication between successive calls to `getopt'. |
| 49 |
> |
/* Index in ARGV of the next element to be scanned. |
| 50 |
> |
This is used for communication to and from the caller |
| 51 |
> |
and for communication between successive calls to `getopt'. |
| 52 |
|
|
| 53 |
< |
On entry to `getopt', zero means this is the first call; initialize. |
| 53 |
> |
On entry to `getopt', zero means this is the first call; initialize. |
| 54 |
|
|
| 55 |
< |
When `getopt' returns -1, this is the index of the first of the |
| 56 |
< |
non-option elements that the caller should itself scan. |
| 55 |
> |
When `getopt' returns -1, this is the index of the first of the |
| 56 |
> |
non-option elements that the caller should itself scan. |
| 57 |
|
|
| 58 |
< |
Otherwise, `optind' communicates from one call to the next |
| 59 |
< |
how much of ARGV has been scanned so far. */ |
| 58 |
> |
Otherwise, `optind' communicates from one call to the next |
| 59 |
> |
how much of ARGV has been scanned so far. */ |
| 60 |
|
|
| 61 |
< |
extern int optind; |
| 61 |
> |
extern int optind; |
| 62 |
|
|
| 63 |
< |
/* Callers store zero here to inhibit the error message `getopt' prints |
| 64 |
< |
for unrecognized options. */ |
| 63 |
> |
/* Callers store zero here to inhibit the error message `getopt' prints |
| 64 |
> |
for unrecognized options. */ |
| 65 |
|
|
| 66 |
< |
extern int opterr; |
| 66 |
> |
extern int opterr; |
| 67 |
|
|
| 68 |
< |
/* Set to an option character which was unrecognized. */ |
| 68 |
> |
/* Set to an option character which was unrecognized. */ |
| 69 |
|
|
| 70 |
< |
extern int optopt; |
| 70 |
> |
extern int optopt; |
| 71 |
|
|
| 72 |
|
#ifndef __need_getopt |
| 73 |
< |
/* Describe the long-named options requested by the application. |
| 74 |
< |
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector |
| 75 |
< |
of `struct option' terminated by an element containing a name which is |
| 76 |
< |
zero. |
| 73 |
> |
/* Describe the long-named options requested by the application. |
| 74 |
> |
The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector |
| 75 |
> |
of `struct option' terminated by an element containing a name which is |
| 76 |
> |
zero. |
| 77 |
|
|
| 78 |
< |
The field `has_arg' is: |
| 79 |
< |
no_argument (or 0) if the option does not take an argument, |
| 80 |
< |
required_argument (or 1) if the option requires an argument, |
| 81 |
< |
optional_argument (or 2) if the option takes an optional argument. |
| 78 |
> |
The field `has_arg' is: |
| 79 |
> |
no_argument (or 0) if the option does not take an argument, |
| 80 |
> |
required_argument (or 1) if the option requires an argument, |
| 81 |
> |
optional_argument (or 2) if the option takes an optional argument. |
| 82 |
|
|
| 83 |
< |
If the field `flag' is not NULL, it points to a variable that is set |
| 84 |
< |
to the value given in the field `val' when the option is found, but |
| 85 |
< |
left unchanged if the option is not found. |
| 83 |
> |
If the field `flag' is not NULL, it points to a variable that is set |
| 84 |
> |
to the value given in the field `val' when the option is found, but |
| 85 |
> |
left unchanged if the option is not found. |
| 86 |
|
|
| 87 |
< |
To have a long-named option do something other than set an `int' to |
| 88 |
< |
a compiled-in constant, such as set a value from `optarg', set the |
| 89 |
< |
option's `flag' field to zero and its `val' field to a nonzero |
| 90 |
< |
value (the equivalent single-letter option character, if there is |
| 91 |
< |
one). For long options that have a zero `flag' field, `getopt' |
| 92 |
< |
returns the contents of the `val' field. */ |
| 87 |
> |
To have a long-named option do something other than set an `int' to |
| 88 |
> |
a compiled-in constant, such as set a value from `optarg', set the |
| 89 |
> |
option's `flag' field to zero and its `val' field to a nonzero |
| 90 |
> |
value (the equivalent single-letter option character, if there is |
| 91 |
> |
one). For long options that have a zero `flag' field, `getopt' |
| 92 |
> |
returns the contents of the `val' field. */ |
| 93 |
|
|
| 94 |
< |
struct option |
| 95 |
< |
{ |
| 94 |
> |
struct option |
| 95 |
> |
{ |
| 96 |
|
# if (defined __STDC__ && __STDC__) || defined __cplusplus |
| 97 |
< |
const char *name; |
| 97 |
> |
const char *name; |
| 98 |
|
# else |
| 99 |
< |
char *name; |
| 99 |
> |
char *name; |
| 100 |
|
# endif |
| 101 |
< |
/* has_arg can't be an enum because some compilers complain about |
| 102 |
< |
type mismatches in all the code that assumes it is an int. */ |
| 103 |
< |
int has_arg; |
| 104 |
< |
int *flag; |
| 105 |
< |
int val; |
| 106 |
< |
}; |
| 101 |
> |
/* has_arg can't be an enum because some compilers complain about |
| 102 |
> |
type mismatches in all the code that assumes it is an int. */ |
| 103 |
> |
int has_arg; |
| 104 |
> |
int *flag; |
| 105 |
> |
int val; |
| 106 |
> |
}; |
| 107 |
|
|
| 108 |
< |
/* Names for the values of the `has_arg' field of `struct option'. */ |
| 108 |
> |
/* Names for the values of the `has_arg' field of `struct option'. */ |
| 109 |
|
|
| 110 |
|
# define no_argument 0 |
| 111 |
|
# define required_argument 1 |
| 113 |
|
#endif /* need getopt */ |
| 114 |
|
|
| 115 |
|
|
| 116 |
< |
/* Get definitions and prototypes for functions to process the |
| 117 |
< |
arguments in ARGV (ARGC of them, minus the program name) for |
| 118 |
< |
options given in OPTS. |
| 116 |
> |
/* Get definitions and prototypes for functions to process the |
| 117 |
> |
arguments in ARGV (ARGC of them, minus the program name) for |
| 118 |
> |
options given in OPTS. |
| 119 |
|
|
| 120 |
< |
Return the option character from OPTS just read. Return -1 when |
| 121 |
< |
there are no more options. For unrecognized options, or options |
| 122 |
< |
missing arguments, `optopt' is set to the option letter, and '?' is |
| 123 |
< |
returned. |
| 120 |
> |
Return the option character from OPTS just read. Return -1 when |
| 121 |
> |
there are no more options. For unrecognized options, or options |
| 122 |
> |
missing arguments, `optopt' is set to the option letter, and '?' is |
| 123 |
> |
returned. |
| 124 |
|
|
| 125 |
< |
The OPTS string is a list of characters which are recognized option |
| 126 |
< |
letters, optionally followed by colons, specifying that that letter |
| 127 |
< |
takes an argument, to be placed in `optarg'. |
| 125 |
> |
The OPTS string is a list of characters which are recognized option |
| 126 |
> |
letters, optionally followed by colons, specifying that that letter |
| 127 |
> |
takes an argument, to be placed in `optarg'. |
| 128 |
|
|
| 129 |
< |
If a letter in OPTS is followed by two colons, its argument is |
| 130 |
< |
optional. This behavior is specific to the GNU `getopt'. |
| 129 |
> |
If a letter in OPTS is followed by two colons, its argument is |
| 130 |
> |
optional. This behavior is specific to the GNU `getopt'. |
| 131 |
|
|
| 132 |
< |
The argument `--' causes premature termination of argument |
| 133 |
< |
scanning, explicitly telling `getopt' that there are no more |
| 134 |
< |
options. |
| 132 |
> |
The argument `--' causes premature termination of argument |
| 133 |
> |
scanning, explicitly telling `getopt' that there are no more |
| 134 |
> |
options. |
| 135 |
|
|
| 136 |
< |
If OPTS begins with `--', then non-option arguments are treated as |
| 137 |
< |
arguments to the option '\0'. This behavior is specific to the GNU |
| 138 |
< |
`getopt'. */ |
| 136 |
> |
If OPTS begins with `--', then non-option arguments are treated as |
| 137 |
> |
arguments to the option '\0'. This behavior is specific to the GNU |
| 138 |
> |
`getopt'. */ |
| 139 |
|
|
| 140 |
|
#if (defined __STDC__ && __STDC__) || defined __cplusplus |
| 141 |
|
# ifdef __GNU_LIBRARY__ |
| 142 |
< |
/* Many other libraries have conflicting prototypes for getopt, with |
| 143 |
< |
differences in the consts, in stdlib.h. To avoid compilation |
| 144 |
< |
errors, only prototype getopt for the GNU C library. */ |
| 145 |
< |
extern int getopt (int __argc, char *const *__argv, const char *__shortopts); |
| 142 |
> |
/* Many other libraries have conflicting prototypes for getopt, with |
| 143 |
> |
differences in the consts, in stdlib.h. To avoid compilation |
| 144 |
> |
errors, only prototype getopt for the GNU C library. */ |
| 145 |
> |
extern int getopt (int __argc, char *const *__argv, const char *__shortopts); |
| 146 |
|
# else /* not __GNU_LIBRARY__ */ |
| 147 |
< |
extern int getopt (); |
| 147 |
> |
extern int getopt (); |
| 148 |
|
# endif /* __GNU_LIBRARY__ */ |
| 149 |
|
|
| 150 |
|
# ifndef __need_getopt |
| 151 |
< |
extern int getopt_long (int __argc, char *const *__argv, const char *__shortopts, |
| 152 |
< |
const struct option *__longopts, int *__longind); |
| 153 |
< |
extern int getopt_long_only (int __argc, char *const *__argv, |
| 154 |
< |
const char *__shortopts, |
| 155 |
< |
const struct option *__longopts, int *__longind); |
| 151 |
> |
extern int getopt_long (int __argc, char *const *__argv, const char *__shortopts, |
| 152 |
> |
const struct option *__longopts, int *__longind); |
| 153 |
> |
extern int getopt_long_only (int __argc, char *const *__argv, |
| 154 |
> |
const char *__shortopts, |
| 155 |
> |
const struct option *__longopts, int *__longind); |
| 156 |
|
|
| 157 |
< |
/* Internal only. Users should not call this directly. */ |
| 158 |
< |
extern int _getopt_internal (int __argc, char *const *__argv, |
| 159 |
< |
const char *__shortopts, |
| 160 |
< |
const struct option *__longopts, int *__longind, |
| 161 |
< |
int __long_only); |
| 157 |
> |
/* Internal only. Users should not call this directly. */ |
| 158 |
> |
extern int _getopt_internal (int __argc, char *const *__argv, |
| 159 |
> |
const char *__shortopts, |
| 160 |
> |
const struct option *__longopts, int *__longind, |
| 161 |
> |
int __long_only); |
| 162 |
|
# endif |
| 163 |
|
#else /* not __STDC__ */ |
| 164 |
< |
extern int getopt (); |
| 164 |
> |
extern int getopt (); |
| 165 |
|
# ifndef __need_getopt |
| 166 |
< |
extern int getopt_long (); |
| 167 |
< |
extern int getopt_long_only (); |
| 166 |
> |
extern int getopt_long (); |
| 167 |
> |
extern int getopt_long_only (); |
| 168 |
|
|
| 169 |
< |
extern int _getopt_internal (); |
| 169 |
> |
extern int _getopt_internal (); |
| 170 |
|
# endif |
| 171 |
|
#endif /* __STDC__ */ |
| 172 |
|
|
