diff options
| -rw-r--r-- | libshouldbeinlibc/argp.h | 145 |
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__ */ |