| 1 | /********************************************************************** <BR>
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| 2 | This file is part of Crack dot Com's free source code release of
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| 3 | Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
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| 4 | information about compiling & licensing issues visit this URL</a>
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| 5 | <PRE> If that doesn't help, contact Jonathan Clark at
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| 6 | golgotha_source@usa.net (Subject should have "GOLG" in it)
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| 7 | ***********************************************************************/
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| 8 |
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| 9 | /*
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| 10 | * getlopt.h
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| 11 | *
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| 12 | * Oliver Fromme <oliver.fromme@heim3.tu-clausthal.de>
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| 13 | * Tue Apr 8 07:13:39 MET DST 1997
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| 14 | */
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| 15 |
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| 16 | #include <stdlib.h>
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| 17 | #include <string.h>
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| 18 |
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| 19 | extern int loptind; /* index in argv[] */
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| 20 | extern int loptchr; /* index in argv[loptind] */
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| 21 | extern char *loptarg; /* points to argument if present, else to option */
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| 22 |
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| 23 | typedef struct {
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| 24 | char sname; /* short option name, can be 0 */
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| 25 | char *lname; /* long option name, can be 0 */
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| 26 | int flags; /* see below */
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| 27 | void (*func)(char *); /* called if != 0 (after setting of var) */
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| 28 | void *var; /* type is *int, *char or **char, see below */
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| 29 | int value;
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| 30 | } topt;
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| 31 |
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| 32 | #define GLO_ARG 1
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| 33 | #define GLO_CHAR 2
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| 34 | #define GLO_NUM 0
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| 35 |
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| 36 | /* flags:
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| 37 | * bit 0 = 0 - no argument
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| 38 | * if var != NULL
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| 39 | * *var := value or (char)value [see bit 1]
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| 40 | * else
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| 41 | * loptarg = &option
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| 42 | * return ((value != 0) ? value : sname)
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| 43 | * bit 0 = 1 - argument required
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| 44 | * if var != NULL
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| 45 | * *var := atoi(arg) or strdup(arg) [see bit 1]
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| 46 | * else
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| 47 | * loptarg = &arg
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| 48 | * return ((value != 0) ? value : sname)
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| 49 | *
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| 50 | * bit 1 = 0 - var is a pointer to an int
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| 51 | * bit 1 = 1 - var is a pointer to a char (or string),
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| 52 | * and value is interpreted as char
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| 53 | *
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| 54 | * Note: The options definition is terminated by a topt
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| 55 | * containing only zeroes.
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| 56 | */
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| 57 |
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| 58 | #define GLO_END 0
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| 59 | #define GLO_UNKNOWN -1
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| 60 | #define GLO_NOARG -2
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| 61 | #define GLO_CONTINUE -3
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| 62 |
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| 63 | int getlopt (int argc, char *argv[], topt *opts);
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| 64 |
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| 65 | /* return values:
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| 66 | * GLO_END (0) end of options
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| 67 | * GLO_UNKNOWN (-1) unknown option *loptarg
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| 68 | * GLO_NOARG (-2) missing argument
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| 69 | * GLO_CONTINUE (-3) (reserved for internal use)
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| 70 | * else - return value according to flags (see above)
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| 71 | */
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| 72 |
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| 73 | /* EOF */
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