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-rw-r--r--libshouldbeinlibc/argp.h145
1 files changed, 101 insertions, 44 deletions
diff --git a/libshouldbeinlibc/argp.h b/libshouldbeinlibc/argp.h
index 0978c3bb..e944553e 100644
--- a/libshouldbeinlibc/argp.h
+++ b/libshouldbeinlibc/argp.h
@@ -23,15 +23,21 @@
#ifndef __ARGP_H__
#define __ARGP_H__
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#ifdef __GNU_LIBRARY__
+#include <sys/cdefs.h>
+#endif
+
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <getopt.h>
-#ifndef ARGP_EI
-#define ARGP_EI extern inline
+#ifndef __const
+#define __const const
#endif
-
/* A description of a particular option. A pointer to an array of
these is passed in the OPTIONS field of an argp structure. Each option
@@ -42,7 +48,7 @@ struct argp_option
{
/* The long option name. For more than one name for the same option, you
can use following options with the OPTION_ALIAS flag set. */
- const char *name;
+ __const char *name;
/* What key is returned for this option. If > 0 and printable, then it's
also accepted as a short option. */
@@ -50,7 +56,7 @@ struct argp_option
/* If non-NULL, this is the name of the argument associated with this
option, which is required unless the OPTION_ARG_OPTIONAL flag is set. */
- const char *arg;
+ __const char *arg;
/* OPTION_ flags. */
int flags;
@@ -59,14 +65,15 @@ struct argp_option
will be printed outdented from the normal option column, making it
useful as a group header (it will be the first thing printed in its
group); in this usage, it's conventional to end the string with a `:'. */
- const char *doc;
+ __const char *doc;
/* The group this option is in. In a long help message, options are sorted
alphabetically within each group, and the groups presented in the order
- 1, 2, ..., n, 0, -m, ..., -2, -1. Every entry in an options array with
+ 0, 1, 2, ..., n, -m, ..., -2, -1. Every entry in an options array with
if this field 0 will inherit the group number of the previous entry, or
- zero if it's the first one. Automagic options such as --help are put
- into group -1. */
+ zero if it's the first one, unless its a group header (NAME and KEY both
+ 0), in which case, the previous entry + 1 is the default. Automagic
+ options such as --help are put into group -1. */
int group;
};
@@ -154,7 +161,7 @@ struct argp
{
/* An array of argp_option structures, terminated by an entry with both
NAME and KEY having a value of 0. */
- const struct argp_option *options;
+ __const struct argp_option *options;
/* What to do with an option from this structure. KEY is the key
associated with the option, and ARG is any associated argument (NULL if
@@ -167,11 +174,12 @@ struct argp
/* A string describing what other arguments are wanted by this program. It
is only used by argp_usage to print the `Usage:' message. */
- const char *args_doc;
+ __const char *args_doc;
- /* A string containing extra text to be printed after the options in a long
- help message, if it is non-NULL. */
- const char *doc;
+ /* If non-NULL, a string containing extra text to be printed before and
+ after the options in a long help message (separated by a vertical tab
+ `\v' character). */
+ __const char *doc;
/* A vector of argp_children structures, terminated by a member with a 0
argp field, pointing to child argps should be parsed with this one. Any
@@ -179,7 +187,7 @@ struct argp
CHILDREN list. This field is useful if you use libraries that supply
their own argp structure, which you want to use in conjunction with your
own. */
- const struct argp_child *children;
+ __const struct argp_child *children;
};
/* When an argp has a non-zero CHILDREN field, it should point to a vector of
@@ -187,7 +195,7 @@ struct argp
struct argp_child
{
/* The child parser. */
- const struct argp *argp;
+ __const struct argp *argp;
/* Flags for this child. */
int flags;
@@ -196,7 +204,7 @@ struct argp_child
child options. As a side-effect, a non-zero value forces the child
options to be grouped together; to achieve this effect without actually
printing a header string, use a value of "". */
- const char *header;
+ __const char *header;
/* Where to group the child options relative to the other (`consolidated')
options in the parent argp; the values are the same as the GROUP field
@@ -212,7 +220,7 @@ struct argp_child
struct argp_state
{
/* The top level ARGP being parsed. */
- const struct argp *argp;
+ __const struct argp *argp;
/* The argument vector being parsed. May be modified. */
int argc;
@@ -304,9 +312,12 @@ struct argp_state
routine returned a non-zero value, it is returned; otherwise 0 is
returned. This function may also call exit unless the ARGP_NO_HELP flag
is set. INPUT is a pointer to a value to be passed in to the parser. */
-error_t argp_parse (const struct argp *argp,
- int argc, char **argv, unsigned flags,
- int *arg_index, void *input);
+error_t argp_parse __P ((__const struct argp *__argp,
+ int __argc, char **__argv, unsigned __flags,
+ int *__arg_index, void *__input));
+error_t __argp_parse __P ((__const struct argp *__argp,
+ int __argc, char **__argv, unsigned __flags,
+ int *__arg_index, void *__input));
/* Global variables. */
@@ -321,8 +332,8 @@ extern char *argp_program_version;
calls this function with a stream to print the version to and a pointer to
the current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
-extern void (*argp_program_version_hook) (FILE *stream,
- struct argp_state *state);
+extern void (*argp_program_version_hook) __P ((FILE *__stream,
+ struct argp_state *__state));
/* If defined or set by the user program, it should point to string that is
the bug-reporting address for the program. It will be printed by
@@ -362,8 +373,10 @@ extern char *argp_program_bug_address;
/* Output a usage message for ARGP to STREAM. FLAGS are from the set
ARGP_HELP_*. */
-extern void argp_help (const struct argp *argp, FILE *stream, unsigned flags,
- char *name);
+extern void argp_help __P ((__const struct argp *__argp, FILE *__stream,
+ unsigned __flags, char *__name));
+extern void __argp_help __P ((__const struct argp *__argp, FILE *__stream,
+ unsigned __flags, char *__name));
/* The following routines are intended to be called from within an argp
parsing routine (thus taking an argp_state structure as the first
@@ -375,20 +388,22 @@ extern void argp_help (const struct argp *argp, FILE *stream, unsigned flags,
/* Output, if appropriate, a usage message for STATE to STREAM. FLAGS are
from the set ARGP_HELP_*. */
-void argp_state_help (struct argp_state *state, FILE *stream, unsigned flags);
+extern void argp_state_help __P ((struct argp_state *__state, FILE *__stream,
+ unsigned __flags));
+extern void __argp_state_help __P ((struct argp_state *__state, FILE *__stream,
+ unsigned __flags));
/* Possibly output the standard usage message for ARGP to stderr and exit. */
-ARGP_EI void
-argp_usage (struct argp_state *state)
-{
- argp_state_help (state, stderr, ARGP_HELP_STD_USAGE);
-}
+extern void argp_usage __P ((struct argp_state *__state));
+extern void __argp_usage __P ((struct argp_state *__state));
/* If appropriate, print the printf string FMT and following args, preceded
by the program name and `:', to stderr, and followed by a `Try ... --help'
message, then exit (1). */
-void argp_error (struct argp_state *state, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
+void argp_error __P ((struct argp_state *__state, __const char *__fmt, ...))
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+void __argp_error __P ((struct argp_state *__state, __const char *__fmt, ...))
+ __attribute__ ((__format__ (__printf__, 2, 3)));
/* Similar to the standard gnu error-reporting function error(), but will
respect the ARGP_NO_EXIT and ARGP_NO_ERRS flags in STATE, and will print
@@ -398,24 +413,66 @@ void argp_error (struct argp_state *state, const char *fmt, ...)
difference between this function and argp_error is that the latter is for
*parsing errors*, and the former is for other problems that occur during
parsing but don't reflect a (syntactic) problem with the input. */
-void argp_failure (struct argp_state *state,
- int status, int errnum, const char *fmt, ...)
- __attribute__ ((format (printf, 4, 5)));
-
+void argp_failure __P ((struct argp_state *__state,
+ int __status, int __errnum, __const char *__fmt, ...))
+ __attribute__ ((__format__ (__printf__, 4, 5)));
+void __argp_failure __P ((struct argp_state *__state,
+ int __status, int __errnum, __const char *__fmt, ...))
+ __attribute__ ((__format__ (__printf__, 4, 5)));
+
/* Returns true if the option OPT is a valid short option. */
+extern int _option_is_short __P ((__const struct argp_option *__opt));
+extern int __option_is_short __P ((__const struct argp_option *__opt));
+
+/* Returns true if the option OPT is in fact the last (unused) entry in an
+ options array. */
+extern int _option_is_end __P ((__const struct argp_option *__opt));
+extern int __option_is_end __P ((__const struct argp_option *__opt));
+
+#ifdef __OPTIMIZE__
+
+#if !_LIBC
+#define __argp_usage argp_usage
+#define __argp_state_help argp_state_help
+#define __option_is_short _option_is_short
+#define __option_is_end _option_is_end
+#endif
+
+#ifndef ARGP_EI
+#define ARGP_EI extern inline
+#endif
+
+ARGP_EI void
+__argp_usage (struct argp_state *__state)
+{
+ __argp_state_help (__state, stderr, ARGP_HELP_STD_USAGE);
+}
+
ARGP_EI int
-_option_is_short (const struct argp_option *opt)
+__option_is_short (__const struct argp_option *__opt)
{
- int key = opt->key;
- return key > 0 && isprint (key);
+ if (__opt->flags & OPTION_DOC)
+ return 0;
+ else
+ {
+ int __key = __opt->key;
+ return __key > 0 && isprint (__key);
+ }
}
-/* Returns true if the option OPT is in fact the last (unused) entry in an
- options array. */
ARGP_EI int
-_option_is_end (const struct argp_option *opt)
+__option_is_end (__const struct argp_option *__opt)
{
- return !opt->key && !opt->name && !opt->doc && !opt->group;
+ return !__opt->key && !__opt->name && !__opt->doc && !__opt->group;
}
+#if !_LIBC
+#undef __argp_usage
+#undef __argp_state_help
+#undef __option_is_short
+#undef __option_is_end
+#endif
+
+#endif /* __OPTIMIZE__ */
+
#endif /* __ARGP_H__ */