#ifndef LIBRARIES_REGEX_H
#define LIBRARIES_REGEX_H

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif

#ifndef _SYS_DIR_H
#include <sys/dir.h>
#endif

typedef off_t regoff_t;

typedef struct
{
    int re_magic;
    size_t re_nsub;         /* number of parenthesized subexpressions */
    const char *re_endp;    /* end pointer for REG_PEND */
    struct re_guts *re_g;   /* none of your business :-) */
} regex_t;

typedef struct
{
    regoff_t rm_so;     /* start of match */
    regoff_t rm_eo;     /* end of match */
} regmatch_t;


/* === regcomp flags === */
#define REG_BASIC       0000
#define REG_EXTENDED    0001
#define REG_ICASE       0002
#define REG_NOSUB       0004
#define REG_NEWLINE     0010
#define REG_NOSPEC      0020
#define REG_PEND        0040
#define REG_DUMP        0200


/* === regerror code === */
#define REG_NOMATCH  1
#define REG_BADPAT   2
#define REG_ECOLLATE 3
#define REG_ECTYPE   4
#define REG_EESCAPE  5
#define REG_ESUBREG  6
#define REG_EBRACK   7
#define REG_EPAREN   8
#define REG_EBRACE   9
#define REG_BADBR   10
#define REG_ERANGE  11
#define REG_ESPACE  12
#define REG_BADRPT  13
#define REG_EMPTY   14
#define REG_ASSERT  15
#define REG_INVARG  16
#define REG_ATOI    255     /* convert name to number (!) */
#define REG_ITOA    0400    /* convert number to name (!) */


/* === regexec code === */
#define REG_NOTBOL      00001
#define REG_NOTEOL      00002
#define REG_STARTEND    00004
#define REG_TRACE       00400   /* tracing of execution */
#define REG_LARGE       01000   /* force large representation */
#define REG_BACKR       02000   /* force use of backref code */

#endif /* LIBRARIES_REGEX_H */