/** \ingroup popt
 * \file popt/poptint.h
 */

/* (C) 1998-2000 Red Hat, Inc. -- Licensing details are in the COPYING
   file accompanying popt source distributions, available from 
   ftp://ftp.rpm.org/pub/rpm/dist. */

#ifndef H_POPTINT
#define H_POPTINT

#include <stdint.h>

#define	SUPPORT_GLOBAL_CALCULATOR	1
#define	SUPPORT_CONTIGUOUS_ARGV		1

/**
 * Wrapper to free(3), hides const compilation noise, permit NULL, return NULL.
 * @param p		memory to free
 * @retval		NULL always
 */
/*@unused@*/ static inline /*@null@*/ void *
_free(/*@only@*/ /*@null@*/ const void * p)
	/*@modifies p @*/
{
    if (p != NULL)	free((void *)p);
    return NULL;
}

/* Bit mask macros. */
/*@-exporttype -redef @*/
typedef	unsigned int __pbm_bits;
/*@=exporttype =redef @*/
#define	__PBM_NBITS		(8 * sizeof (__pbm_bits))
#define	__PBM_IX(d)		((d) / __PBM_NBITS)
#define __PBM_MASK(d)		((__pbm_bits) 1 << (((unsigned)(d)) % __PBM_NBITS))
/*@-exporttype -redef @*/
typedef struct {
    __pbm_bits bits[1];
} pbm_set;
/*@=exporttype =redef @*/
#define	__PBM_BITS(set)	((set)->bits)

#define	PBM_ALLOC(d)	calloc(__PBM_IX (d) + 1, sizeof(__pbm_bits))
#define	PBM_FREE(s)	_free(s);
#define PBM_SET(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] |= __PBM_MASK (d))
#define PBM_CLR(d, s)   (__PBM_BITS (s)[__PBM_IX (d)] &= ~__PBM_MASK (d))
#define PBM_ISSET(d, s) ((__PBM_BITS (s)[__PBM_IX (d)] & __PBM_MASK (d)) != 0)

extern void poptJlu32lpair(/*@null@*/ const void *key, size_t size,
                uint32_t *pc, uint32_t *pb)
        /*@modifies *pc, *pb@*/;

/** \ingroup popt
 * Typedef's for string and array of strings.
 */
/*@-exporttype@*/
typedef const char * poptString;
typedef poptString * poptArgv;
/*@=exporttype@*/

/** \ingroup popt
 * A union to simplify opt->arg access without casting.
 */
/*@-exporttype -fielduse@*/
typedef union poptArg_u {
/*@shared@*/
    void * ptr;
    int * intp;
    short * shortp;
    long * longp;
    long long * longlongp;
    float * floatp;
    double * doublep;
    const char ** argv;
    poptCallbackType cb;
/*@shared@*/
    poptOption opt;
} poptArg;
/*@=exporttype =fielduse@*/

/*@-exportvar@*/
/*@unchecked@*/
extern unsigned int _poptArgMask;
/*@unchecked@*/
extern unsigned int _poptGroupMask;
/*@=exportvar@*/

#define	poptArgType(_opt)	((_opt)->argInfo & _poptArgMask)
#define	poptGroup(_opt)		((_opt)->argInfo & _poptGroupMask)

#define	F_ISSET(_opt, _FLAG)	((_opt)->argInfo & POPT_ARGFLAG_##_FLAG)
#define	LF_ISSET(_FLAG)		(argInfo & POPT_ARGFLAG_##_FLAG)
#define	CBF_ISSET(_opt, _FLAG)	((_opt)->argInfo & POPT_CBFLAG_##_FLAG)

/* XXX sick hack to preserve pretense of a popt-1.x ABI. */
#define	poptSubstituteHelpI18N(opt) \
  { /*@-observertrans@*/ \
    if ((opt) == poptHelpOptions) (opt) = poptHelpOptionsI18N; \
    /*@=observertrans@*/ }

struct optionStackEntry {
    int argc;
/*@only@*/ /*@null@*/
    poptArgv argv;
/*@only@*/ /*@null@*/
    pbm_set * argb;
    int next;
/*@only@*/ /*@null@*/
    char * nextArg;
/*@observer@*/ /*@null@*/
    const char * nextCharArg;
/*@dependent@*/ /*@null@*/
    poptItem currAlias;
    int stuffed;
};

typedef /*@refcounted@*/ struct poptLink_s * poptLink;
struct poptLink_s {
/*@null@*/
    void *use;                  /*!< use count -- return to pool when zero */
/*@kept@*/ /*@null@*/
    void *pool;                 /*!< pool (or NULL if malloc'd) */
#if defined(__LCLINT__)
/*@refs@*/
    int nrefs;                  /*!< (unused) keep splint happy */
#endif
};

#define	POPTINT_OPTION_DEPTH	10
#define	POPTINT_CALC_DEPTH	20	/* XXX overkill */

struct poptContext_s {
    struct poptLink_s _item;	/*!< usage mutex and pool identifier. */
    struct optionStackEntry optionStack[POPTINT_OPTION_DEPTH];
/*@dependent@*/
    struct optionStackEntry * os;
    size_t optionDepth;

#ifdef	SUPPORT_GLOBAL_CALCULATOR
    int64_t calcStack[POPTINT_CALC_DEPTH];
    int64_t * stk;
    size_t calcDepth;
#endif

/*@owned@*/ /*@null@*/
    poptArgv leftovers;
    int numLeftovers;
    int nextLeftover;
/*@keep@*/
    const struct poptOption * options;
    int restLeftover;
/*@only@*/ /*@null@*/
    const char * appName;
/*@only@*/ /*@null@*/
    poptItem aliases;
    int numAliases;
    unsigned int flags;
/*@owned@*/ /*@null@*/
    poptItem execs;
    size_t numExecs;
/*@only@*/ /*@null@*/
    poptArgv av;
    size_t ac;
    size_t nav;
/*@null@*/
    int (*maincall) (int argc, const char **argv);
/*@dependent@*/ /*@null@*/
    poptItem doExec;
/*@only@*/ /*@null@*/
    const char * execPath;
    int execAbsolute;
/*@only@*/ /*@relnull@*/
    const char * otherHelp;
/*@null@*/
    pbm_set * arg_strip;
};

#if defined(POPT_fprintf)
#define	POPT_dgettext	dgettext
#else
#ifdef HAVE_ICONV
#include <iconv.h>
#if defined(__LCLINT__)
/*@-declundef -incondefs @*/
extern /*@only@*/ iconv_t iconv_open(const char *__tocode, const char *__fromcode)
	/*@*/;

extern size_t iconv(iconv_t __cd, /*@null@*/ char ** __inbuf,
		    /*@null@*/ /*@out@*/ size_t * __inbytesleft,
		    /*@null@*/ /*@out@*/ char ** __outbuf,
		    /*@null@*/ /*@out@*/ size_t * __outbytesleft)
	/*@modifies __cd,
		*__inbuf, *__inbytesleft, *__outbuf, *__outbytesleft @*/;

extern int iconv_close(/*@only@*/ iconv_t __cd)
	/*@modifies __cd @*/;
/*@=declundef =incondefs @*/
#endif
#endif

#ifdef HAVE_LANGINFO_H
#include <langinfo.h>
#if defined(__LCLINT__)
/*@-declundef -incondefs @*/
extern char *nl_langinfo (nl_item __item)
	/*@*/;
/*@=declundef =incondefs @*/
#endif
#endif

#if defined(HAVE_DCGETTEXT) && !defined(__LCLINT__)
char *POPT_dgettext(const char * dom, const char * str)
	/*@*/;
#endif

int   POPT_fprintf (FILE* stream, const char *format, ...)
	/*@globals fileSystem @*/
	/*@modifies stream, fileSystem @*/;
#endif	/* !defined(POPT_fprintf) */

const char *POPT_prev_char (/*@returned@*/ const char *str)
	/*@*/;

const char *POPT_next_char (/*@returned@*/ const char *str)
	/*@*/;

#endif

#if defined(ENABLE_NLS) && defined(HAVE_LIBINTL_H)
#include <libintl.h>
#endif

#if defined(ENABLE_NLS) && defined(HAVE_GETTEXT) && !defined(__LCLINT__)
#define _(foo) gettext(foo)
#else
#define _(foo) foo
#endif

#if defined(ENABLE_NLS) && defined(HAVE_DCGETTEXT) && !defined(__LCLINT__)
#define D_(dom, str) POPT_dgettext(dom, str)
#define POPT_(foo) D_("popt", foo)
#else
#define D_(dom, str) str
#define POPT_(foo) foo
#endif

#define N_(foo) foo