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petidomo/libargv/argv_loc.h

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/*
* Copyright (c) 1999 by Gray Watson <gray.watson@letters.com>.
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies, and that the name of Gray Watson not be used in advertising
* or publicity pertaining to distribution of the document or software
* without specific, written prior permission.
*
* Gray Watson makes no representations about the suitability of the
* software described herein for any purpose. It is provided "as is"
* without express or implied warranty.
*/
#ifndef __ARGV_LOC_H__
#define __ARGV_LOC_H__
#include "argv.h" /* to get the types */
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* generic constants
*/
#undef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#undef NOERROR
#define NOERROR 0
#undef ERROR
#define ERROR (-1)
#undef STDIN
#define STDIN 0
/*
* local argv defines
*/
#define ERROR_STREAM_INIT (FILE *)0x1 /* hack to init stderr FILE* */
#define NO_VALUE (-1) /* no mandatory args value */
#define ARRAY_INCR 10 /* increment by 10 every 10 */
#define SCREEN_WIDTH 79 /* width of screen till wrap */
#define BITS_IN_BYTE 8 /* bits in a byte */
#define SPECIAL_CHARS "e\033^^\"\"''\\\\n\nr\rt\tb\bf\fa\007"
#define DUMP_SPACE_BUF 128 /* space for memory dump */
#define ARG_MALLOC_INCR 20 /* alloc in 10 increments */
#define FILE_LINE_SIZE 1024 /* max size of file lines */
/* internal flags set in the ar_type field */
/* NOTE: other external flags defined in argv.h */
#define ARGV_FLAG_USED (1 << 12) /* if arg has been specified */
/* error messages */
#define USAGE_ERROR_NAME "usage problem"
#define INTERNAL_ERROR_NAME "internal argv error"
/*
* settings to vary the output of the argument routines
*/
#define PROGRAM_NAME 256 /* max size of program name */
#define EXIT_CODE 1 /* argv exit code for errors */
/* global env settings */
#define GLOBAL_NAME "GLOBAL_ARGV" /* global argv env name */
#define GLOBAL_CLOSE "close=" /* close arg setting */
#define GLOBAL_ENV "env=" /* env setting */
#define GLOBAL_ERROR "error=" /* error setting */
#define GLOBAL_MULTI "multi=" /* multi setting */
#define GLOBAL_USAGE "usage=" /* usage setting */
#define GLOBAL_LASTTOG "lasttog=" /* last-arg toggle */
#define GLOBAL_CLOSE_DISABLE 1 /* disable close args */
#define GLOBAL_CLOSE_ENABLE 2 /* enable close args */
#define GLOBAL_ENV_NONE 3 /* no env processing */
#define GLOBAL_ENV_BEFORE 4 /* process env before args */
#define GLOBAL_ENV_AFTER 5 /* process env after args */
#define GLOBAL_USAGE_SEE 6 /* see messages (special) */
#define GLOBAL_USAGE_SHORT 7 /* print short */
#define GLOBAL_USAGE_SHORTREM 8 /* short + remind */
#define GLOBAL_USAGE_LONG 9 /* long */
#define GLOBAL_USAGE_ALL 10 /* all */
#define GLOBAL_MULTI_REJECT 11 /* reject multiple arg use */
#define GLOBAL_MULTI_ACCEPT 12 /* accept multiple arg use */
#define GLOBAL_LASTTOG_DISABLE 13 /* toggling of last-arg off */
#define GLOBAL_LASTTOG_ENABLE 14 /* toggling of last-arg on */
#define GLOBAL_ERROR_NONE 15 /* print only error */
#define GLOBAL_ERROR_SEE GLOBAL_USAGE_SEE /* error + see messages */
#define GLOBAL_ERROR_SHORT GLOBAL_USAGE_SHORT /* error + short */
#define GLOBAL_ERROR_SHORTREM GLOBAL_USAGE_SHORTREM /* err + short + remind*/
#define GLOBAL_ERROR_LONG GLOBAL_USAGE_LONG /* err + long */
#define GLOBAL_ERROR_ALL GLOBAL_USAGE_ALL /* err + all */
/* special argument definitions */
#define LAST_ARG "--" /* arg to mark end of args */
#define LONG_PREFIX "--" /* prefix for long args */
#define SHORT_PREFIX "-" /* prefix for short args */
#define UNKNOWN_ARG "??" /* unknown argument output */
#define ARG_EQUALS '=' /* to assign value to option */
#define NUMBER_ARG_CHARS "0123456789+-." /* characters in numbers */
/* how to produce the env var using sprintf and the argv_program variable */
#define ENVIRON_FORMAT "ARGV_%s"
/* special short-argument strings */
#define USAGE_CHAR_ARG '?' /* default short-opt usage */
/* special long-argument strings */
#define DISPLAY_ARG "argv-display" /* display arg variable vals */
#define FILE_ARG "argv-file" /* read args from file */
#define HELP_ARG "help" /* default help option */
#define USAGE_ARG "usage" /* default usage option */
#define USAGE_SHORT_ARG "usage-short" /* default usage-short opt */
#define USAGE_LONG_ARG "usage-long" /* default usage-long opt */
#define USAGE_ALL_ARG "usage-all" /* default usage-all opt */
#define VERSION_ARG "version" /* default version option */
/* spacing on line for usage messages */
#define SHORT_COLUMN 2 /* spaces to indent for short-args */
#define LONG_COLUMN 20 /* column for long options */
#define COMMENT_COLUMN 45 /* column for comments */
/* some in-line "labels" for comments */
#define USAGE_LABEL "Usage: " /* usage message start */
#define VERSION_LABEL "= " /* default:no version prefix */
#define LONG_LABEL "or " /* put before long-option */
#define COMMENT_LABEL "" /* put before comments */
#define ARRAY_LABEL " array" /* put after displayed type */
#define BOOL_ARG_LABEL "yes|no" /* label for bool-arg arg */
/* some sizeof defines */
#define SHORT_PREFIX_LENGTH (sizeof(SHORT_PREFIX) - 1)
#define LONG_PREFIX_LENGTH (sizeof(LONG_PREFIX) - 1)
#define USAGE_LABEL_LENGTH (sizeof(USAGE_LABEL) - 1)
#define COMMENT_LABEL_LENGTH (sizeof(COMMENT_LABEL) - 1)
#define LONG_LABEL_LENGTH (sizeof(LONG_LABEL) - 1)
#define UNKNOWN_ARG_LENGTH (sizeof(UNKNOWN_ARG) - 1)
#define BOOL_ARG_LENGTH (sizeof(BOOL_ARG_LABEL) - 1)
#define HAS_ARG(type) (! (ARGV_TYPE(type) == ARGV_BOOL \
|| ARGV_TYPE(type) == ARGV_BOOL_NEG \
|| ARGV_TYPE(type) == ARGV_INCR))
/******************************** argv types *********************************/
/* strcture defining argv types */
typedef struct {
unsigned int at_value; /* value of the type */
char *at_name; /* name of the type */
unsigned int at_size; /* size of type */
char *at_desc; /* description of the type */
} argv_type_t;
static argv_type_t argv_types[] = {
{ ARGV_BOOL, "flag", sizeof(char),
"if option used, set variable to true" },
{ ARGV_BOOL_NEG, "negative flag", sizeof(int),
"if option used, set variable to false" },
{ ARGV_BOOL_ARG, "flag with arg", sizeof(char),
"like flag but you specify with yes/no argument" },
{ ARGV_CHAR, "character", sizeof(char),
"single character" },
{ ARGV_CHAR_P, "string", sizeof(char *),
"multiple characters terminated with a '\\0'" },
{ ARGV_SHORT, "short integer", sizeof(short),
"decimal short-sized integer value" },
{ ARGV_U_SHORT, "unsigned short integer", sizeof(unsigned short),
"decimal unsigned short-sized integer value" },
{ ARGV_INT, "integer", sizeof(int),
"decimal integer value" },
{ ARGV_U_INT, "unsigned integer", sizeof(unsigned int),
"decimal unsigned integer value" },
{ ARGV_LONG, "long integer", sizeof(long),
"decimal long-sized integer value" },
{ ARGV_U_LONG, "unsigned long", sizeof(unsigned long),
"decimal unsigned long-sized integer value" },
{ ARGV_FLOAT, "floating point", sizeof(float),
"real number with decimal point" },
{ ARGV_DOUBLE, "double floating point", sizeof(double),
"double precision real number with decimal point" },
{ ARGV_BIN, "binary", sizeof(int),
"base 2 value with digits of 0 or 1" },
{ ARGV_OCT, "octal", sizeof(int),
"base 8 value with digits from 0-7" },
{ ARGV_HEX, "hexadecimal", sizeof(int),
"base 16 value with digits from 0-9, A-F" },
{ ARGV_INCR, "increment", sizeof(int),
"increment variable each time option used" },
{ ARGV_SIZE, "long size", sizeof(long),
"size as long int + [bkmg] b=byte,k=kilo,m=meg,g=gig" },
{ ARGV_U_SIZE, "unsigned long size", sizeof(unsigned long),
"size as unsigned long int + [bkmg] b=byte,k=kilo,m=meg,g=gig" },
{ 0 }
};
#ifdef __cplusplus
}
#endif
#endif /* ! __ARGV_LOC_H__ */
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